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Category Archives: Water Treatment

EcoOxy System | The latest Abattoir Wastewater Treatment System

Do you require an abattoir wastewater system?

Do you have a lagoon based wastewater treatment system?

Do you have open air treated effluent storage ponds ?

Do you have aerobic lagoons that are poorly aerated, non conforming and suffering biologically?

Do you have Odour related issues with your current system, or poor treatment due to system overloading ?

Are your discharge nutrient levels exceeding your environmental discharge limits?

Remote Water Treatment Services abattoir and industrial wastewater treatment system is here.

RWTS have constructed their very own skid mounted EcoOxy system delivering effortless aeration to accommodate for all organic loading types.

RWTS use biowin modelling as a tool and basis of design for the EcoOxy platform tailoring an aeration pump package for each individual site.

The selected pump is coupled up with our Mazzei venturis to produce the aeration demand required, multiple unit across the dam wall may be required to produce the outcome.

Servicing and maintenance of these systems is a breeze due to their skid mount design able to be placed on the side of a dam/ lagoon/pond wall.

No need for costly cranes and rafts required for conventional in pond process mixer aerator units. A financial gain and more importantly a safety risk that can be risk assessed out.

Think aeration – think Ecooxy – think of contacting RWTS  📞

Abattoir Water Treatment Services provided by RWTS?

Many regional abattoirs rely heavily on fresh water supply for internal process and wash down requirements. In smaller townships water cannot easily be provided to the operation and the company must seek an alternate source to produce the water requirement.

RWTS can support their clients in feasibility studies to seek water from a suitable source and then analyse a treatment process to polish the water to the standard required. This water treatment system may be a multi-train staged scenario with different water quality requirements.

RWTS advocates for sustainable water reuse to improve the cost of high water consumption in abattoirs. We understand the requirements of treating abattoir effluent and the need for a cost-effective water treatment and filtration system. RWTS customer service and hardware reliability is at the forefront of our commitment to our clients.

Canstruct | Water Treatment Plant

Our client, Canstruct chose a custom built surface water treatment plant to produce safe and reliable potable water for human consumption.

Client: Canstruct

Location: Northern Territory

Solution: 40ft containerised Surface Water Treatment System

Industry: Agriculture

 

BACKGROUND

Canstruct are constructing new and upgrading existing facilities to support industry activity that is requiring a suitable water treatment facility to cater for persons on site.

RWTS was successfully awarded the contract to supply a 40ft containerised surface water treatment system to produce safe and reliable potable water for human consumption.

When accessing the design of the surface water treatment plant we took into account some key consideration based on site specific risks and project requirements.

Requirements for the WTP for this application were as follows:

 

  • Variable site loads – load swings and variable quality raw water characteristics
  • Seasonal Variance affecting organic loads, TOC Levels and Algae Levels in raw water supply
  • Upstream Catchment Assessment shows the source water as Category 4
  • Upstream variability in raw water quality including cattle farming – cryptosporidium risk is high.
  • High Protozoa risks associated with the source water combined with the location of the catchment and temperature averages.
  • Indicative raw water test results show an extremely low LSI index (corrosive Index rating) resulting in the design requiring remineralisation as an addition to the primary process requirement.
  • 20 year design life with an acceptable ongoing cost

THE RWTS SOLUTION

CUSTOM BUILT WATER TREATMENT PLANT

RWTS designed and constructed a surface water treatment plant with a nominated design flow rate to provide a minimum of 75,000 litres per day.

The nominated recovery range for this system was 85% – with a worst case expected recovery during very high solids loading periods of 55%.

Raw water required for the 20 kl per day potable water was between 88,500 litres per day minimum and as high as 136,000 litres per day – depending on raw water quality.

There was several stages of the water treatment process implemented into the design and construction of this customize water treatment plant including;

 

  • Stage One – Chemical Dosing
  • Stage Two- AFM Media Filtration
  • Stage Three – Ultrafiltration
  • Stage Four – GAC Carbon Media Filtration
  • Stage Five – Ultraviolet Disinfection Post Filtration
  • Stage Six – Calcite Media Remineralisation Filtration
  • Stage Seven – Chlorine Dosing For Disinfection Post Filtration
  • Stage Eight – Chlorine Dosing And Ph Correction For Treated Water Storage Facility

 

OVERVIEW OF DESIGN AND SYSTEM FITOUT

The following key summary points outline the fitout of the system:

 

  • Electrical Control Panel/Switchboard – Exceeds AS 3000 Requirement
  • Custom Fabricated 40 Foot Container Based Building with Air Conditioning, Vinyl Flooring, Fridge Panel 50 mm Thick Insulation Panel Lined Internal Roof and Walls for Temperature Control.
  • Allen Bradley Micro-logix series PLC and Colour 10 inch HMI Screen Interface
  • Remote Dial In and SMS out E-Won Cosy Modem Platform for remote assistance support and alarm notifications.
  • Industry Standard high quality electrical components such as Schnieder, Hager and Finder.
  • 415 volt/240 volt segregated from 24 volt compartment
  • Overloads and Circuit breakers accessible from safe outer door to internal retainer door mounted position – no exposed terminals
  • Earth Leakage to AS 3500.
  • External Building Colour of clients choice

The water treatment system included a Grundfos CRIE15 Series duplex multistage pump set complete with variable speed drive motors. A PID Pressure targeting software control via an Allen Bradley PLC/HMI package was installed.

The pump set was sized to ensure each pump delivered 15l/sec @40 mtrs delivery head, allowing a duty standby control methodology, which allowed a final duty achieved of 10 ltrs second at 400 kpa.

A flow meter was installed on the treated water delivery line out of the system to monitor discharge flows. This would ensure the data logging of usage volumes and peak flows as well as ensuring if there were any issues an alarm would be triggered to alert operations immediately.

Results:

There was significant consideration into the site-specific risks for treatment and delivery in design and construction to ensure the final filtered and disinfected water in potable water storage complied with the Australian Drinking Water Guidelines (ADWG).

RWTS delivered a potable water treatment plant that provided a daily minimum of 75,000 litres of safe and reliable potable water for human consumption.

The water treatment system was designed and fabricated in a transportable/semi-permanent or permanent installation arrangement to provide continuous service with the required maintenance for a 20 year life expectancy.

NEED AN INNOVATIVE SYSTEM THAT DOES NOT FAIL?

If you are wanting a water treatment system that works all day every day with the ability of remote monitoring, please call one of our friendly engineering team today to discuss your waste water issues and how we can help.

Griffith University Reverse Osmosis Water Treatment System

RWTS was successfully awarded a contract at Griffith University to deliver a Reverse Osmosis water treatment system to supply demineralised water to the lab sinks at a nominated flow rate.

Client: Griffith University

Location: Brisbane

Solution: Reverse Osmosis water treatment system

Industry: School

 

BACKGROUND

Griffith University recently constructed a high end laboratory in their new state of the art ‘Aviation Building’. Griffith University required purified water for cooling, cleaning and sampling and testing requirements, within these laboratories.

RWTS were successfully awarded the contracted portion to supply a suitably design two pass Reverse Osmosis (RO) water treatment system, with prefiltration and loop line disinfection to supply demineralised water to the laboratory sinks at a nominated flow rate.

THE RWTS SOLUTION

REVERSE OSMOSIS WATER TREATMENT SYSTEM

The Griffith University reverse osmosis and demin polishing system uses RO technology to remove dissolved salts from a suitable raw water source.

The system designed and built for Griffith University is configured specifically for slightly variable raw water TDS to accommodate seasonal changes in raw water quality being delivered by Urban Utilities.

The RO water treatment system is designed using a staged approach.

The first stage, “Pre-treatment” removes suspended solids down to 1 micron in size, stripping the total chlorine from the water and removing calcium/magnesium hardness, iron, manganese and aluminium, before the final treated water is fed to the reverse osmosis system for further treatment.

The reverse osmosis water treatment system is a “double pass” system, with the permeate from the first pass sent through a second pass to produce a high quality permeate that is always less than 1 us/cm in quality and typically averages less than 0.5 us/cm.

The last stage of treatment is ultraviolet disinfection combined with mixed bed demineralisation resin, which removes bacteria and trace solutes such as sodium and chloride down to extremely low levels, to produce a treated water quality that is as low as 0.1us/cm in quality.

A water storage tank, a treated water loop delivery pump unit and the required valving and instrumentation completes the delivery of the treated water to the laboratory. In addition multiple outlets are provided a low pressure demineralized water supply at all times by the system.

The Griffith University reverse osmosis system is designed to operate with advanced automatic flux control methodology.

This methodology involves the utilization of automatic modulating valves on the concentrate and recycle streams of the system, flow meters on the concentrate, recycle and permeate streams for flow feedback to the PLC.

The water treatment system automation is controlled through the RWTS proprietary Allen Bradley HMI PLC combined with Bacnet control back to the University BMS system. This system provides accurate and reliable control based on operator adjustable setpoint targets for production and system membrane flux.

Results:

Purified water for cooling, cleaning and sampling and testing requirements within the Griffith University laboratories at a nominated flow rate.

Seamless automation and programming to ensure equipment is easy to operate and maintain, and not fail when the placed under full demand.

NEED AN INNOVATIVE SYSTEM THAT DOES NOT FAIL?

If you are wanting a system that works all day every day with the ability of remote monitoring, please call one of our friendly engineering team today to discuss your water treatment options for your beer brewery.

Maca Atlas Iron Mining Project – Waste Water Treatment System

waste water treatment system waste water treatment system waste water treatment plant waste water treatment system waste water treatment system

Atlas Iron awarded Maca a contract to carry out open pit mining services at the Corunna Downs iron project in the Pilbara region of Western Australia.

Client: Maca

Location: Pilbara region of Western Australia

Technology implemented: Ecofarmer 50 series wastewater treatment plant

Industry: Mining

 

BACKGROUND

Corunna Downs, which is 100 per cent owned by Atlas Iron, is 33 kilometres south of Marble Bar and close to the iron ore miner’s Mt Webber project. The mine is expected to annually produce four million tonnes of iron ore initially. The life of the mine is expected to be between five and six years, with potential for future expansion as the current ore reserve considers only the above-water table resource.

Remote Water Treatment Services have designed in their custom Ecofarmer fabricated engineered reactor a waste water treatment system to cater for mining administration areas, ideal for low flow scenarios.

THE RWTS SOLUTION

Ecofarmer 50

waste water treatment system

The design known as the Ecofarmer 50 SBR caters for flows as low as 2,000 l – 10,000 l per day, an extremely versatile waste water treatment plant for the demand and environment.

The waste water treatment system takes it’s design and methodology from big brother the Ecofarmer 250, with the main process pump and motors located in the plant room, no moving parts are internal of the reactor allowing for ease of servicing.

The Ecofarmer design offers a treatment process with carbon and alkalinity supplementation dosed through our grundfos dosing platform controlled through the human–machine interface (HMI) ensuring optimal nutrient balancing through low demand periods. The system program looks for the level within the balance chamber automatically adjusting the cyclic nature of the process to achieve the desired aeration/mixing cycles. Further to this we have offered in our base offering a uninterruptible power supply (UPS) and Ewon remote modem for remote access into the programmable logic controller (PLC) and Human–Machine Interface (HMI), we can update software remotely and assist site based operators with handling issues that may arise without a call out fee.

Result

A waste water treatment system that caters for mining administration areas and met all council regulations and had a positive impact on the surrounding environment.

RWTS structurally engineered containerised plug and play Ecofarmer system was installed with in 5 days of mobilisation. The system is backed by RWTS remote dial in logging platform to allow our staff to maintain and record plant parameters from our Brisbane based office assisting our clients site operations.

NEED AN INNOVATIVE SYSTEM THAT DOES NOT FAIL?

If you are wanting a system that works all day every day with the ability of remote monitoring, please call one of our friendly engineering team today to discuss your treatment options.

Black Diamond Project Group – Wastewater Treatment Plant

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The Black Diamond project saw the need for waste water and water treatment to maintain vital village services. RWTS provided a turn key wastewater treatment plant solution to cater for the projects vital needs and requirements.

This landmark project that will capture valuable water in the lower Fitzroy River for use across the region. Providing not only water security, but also growing the agriculture industry and allowing the buy and sell of quality water.

 

Client: Acciona and Black Diamond Group

Location:Fitzroy River, Central Queensland

Technology implemented: Twin train Ecofarmer 250 series wastewater treatment plant

Industry: Agricultural

 

BACKGROUND

Black Diamond Project Group were contracted to construct a workers accommodation village to accommodate 250 workers through the construction phase of the project saw the need for waste water and water treatment to maintain vital village services.

Remote Water Treatment Services were successfully awarded a design and construct project to action a suitable wastewater treatment plant to cater for the Fitzroy River village waste water requirements.

THE RWTS SOLUTION

Ecofarmer 250

RWTS provided a twin train Ecofarmer 250 series wastewater treatment system to cater for the village waste water requirements. We also completed the design and implemented the irrigation field evenly dispersing the treated water over 50 000 m2 through supported wastewater distribution networks.

In addition RWTS provided the potable water treatment system to cater for the village demands, raw water is to be harvested from the lower Fitzroy region and delivered to the raw water storage tanks. As water is required for consumption through the camp the treatment process commences operation passing water through the array of water treatment specialty filtration modules and stored in treated water storage tanks. Water in the treated water storage tanks is continuously recirculated and monitored for Chlorine, Ph, conductivity and turbidity. RWTS also sized and installed the main village reticulation pumps ensuring potable water delivery to the village on demand.

The solution simple, from harvesting raw water to making treated water conforming to the Australian Drinking Water Guidelines (ADWG) to then gathering and treating the waste water and dispersing on to land.

As part of RWTS service offering we provided a turn key solution for all our clients project water treatment needs.

Result

Potable water treatment and water reticulation met.

Waste water treatment and dispersal of final effluent met.

RWTS structurally engineered containerised plug and play Ecofarmer system was installed with in 5 days of mobilisation. The system is backed by RWTS remote dial in logging platform to allow our staff to maintain and record plant parameters from our Brisbane based office assisting our clients site operations.

NEED AN INNOVATIVE SYSTEM THAT DOES NOT FAIL?

If you are wanting a system that works all day every day with the ability of remote monitoring, please call one of our friendly engineering team today to discuss your treatment options.

Heavy Vehicle Wash Bay for Origin Energy

The RWTS heavy vehicle wash bay solution fuses traditional separation, with high end wastewater treatment facility with filtration componentry all supported within the Australian water sector.

 

Client: Origin Energy & Sodexo

Location: Reedy Creek lay down facility

Technology implemented: Heavy Vehicle Wash Bay

Industry: Energy

 

BACKGROUND

Remote Water Treatment Services were successfully awarded a design and construct project to action a suitable wash bay treatment facility that would see the wastewater treated for reuse purposes.

The RWTS system was no ‘off the shelf’ solution, that most other water treatment company’s retail to the market.

Over the past decade we have continually seen so many vehicle wash bay systems underperform in their duty to treat water to an acceptable reuse standard  leaving unsatisfactory and odorous water to wash and rinse whilst more importantly neglecting the impact on human contact.

THE RWTS SOLUTION

HEAVY VEHICLE WASH BAY

The RWTS treatment process included an oversized hydraulic advanced beach pit and sump design separating the initial heavier solids portion – water was then transferred to the designated raw water tanks where pumps continually recirculated and aerated the fluid to prevent stagnant water minimising ordure and keeping particles in suspense  – batched through a Dissolved Air Flotation Process (DAF) with the correct chemistry applied –  treated water was then pumped through a dual set of glass packed media filtration units and then onto treated water storage – treated water was continually recirculated and monitored for turbidity, ph, conductivity and free available chlorine levels. Once the fluid was corrected and in specification it was then released to the hose reels and automated system to begin its cycle.

Although these sound like relatively simple filtration methods, the systems flexibility in design saw an impressive automation and control platform setting it apart from all other systems on the market today.

The heavy vehicle wash bay was programmed and controlled through our sophisticated Allen Bradley software platform with high end analytical instruments used as reference all programmed and calibrated by the RWTS electrical division.

All design work through to factory acceptance testing was completed in house at our RWTS Brisbane facility and completed by our team of professionals.

RESULT

The result saw a bankable wastewater treatment solution offering clean water to the process upon every wash every time.

NEED AN INNOVATIVE SYSTEM THAT DOES NOT FAIL?

If you are wanting a system that works all day every day with the ability of remote monitoring, please call one of our friendly engineering team today to discuss your treatment options.

Engineered waste water treatment plant for the OZ minerals project

RWTS were successfully awarded the head contract to design and construct a suitable engineered waste water treatment plant for the OZ minerals project in Carapateena South Australia.

 

Client: OZ Minerals

Location: Carapateena South Australia

Technology implemented: EcoFarmer 250

Industry: Mining

 

BACKGROUND

The OZ minerals camp design life was for 20 years with a 450 peak manning accommodation and mine services administration facility attached. OZ Minerals required a waste water treatment plant solution to facilitate the accomodation water service needs. The Remote Water Treatment solutions experts designed the arrangement of a containerised Ecofarmer 250 platform. The modular sequence was required to be constructed to accomodate the wastewater for the project over the construction phase into permanent accommodation.

THE RWTS SOLUTION

ECOFARMER 250

To achieve the project scope a centralised johnson wire screened raw sewage drew from the camp. Then screened fluid was transferred to the combined balance holding tank and the sequencing of the SBR trains allowed fluid to enter the biological treatment phase. Treated water chlorinated was dispersed on to the designated land application area. RWTS executed the project within the intended time line and meet all government approvals and certification. South Australia health requirements and submissions strictly state that all tankage must be structurally engineered and process certified. RWTS had the steel fabricated shells engineered and process reviewed certified by third party. RPEQ process engineering team, used sophisticated modelling software to achieve a suitable final effluent stream.

 

RESULTS

All equipment and hardware used on the project was of high standard and supported in the Australian markets giving RWTS clients the peace of mind that the equipment is built and deigned to the highest of standards.

Looking for a waste water treatment plant solution, call us today for assistance.

Engineered water treatment system for the township of Linville: SEQWater

RWTS were subcontracted by SEQWater to design and manufacture a engineered water treatment system for the township of Linville. 

 

Client: Practical Engineering and SEQwater

Location: Linville municipal water treatment plant

Technology implemented: Engineered water treatment system for the township of Linville

Industry: Infrastructure

 

BACKGROUND

Due to the 2013 floods and changes in raw water from the Bores supplying the original Linville Water Treatment System, the Linville township potable quality of water could not be guaranteed. As a consequence of the environmental changes that were affecting the Linville township water quality the original water treatment system needed to be decommissioned. In the past seven years as an interim solution the potable water from Kilcoy Potable Water Treatment Plant was trucked in and pumped into the town reservoir which serviced the town requirements. This was not going to be sustainable in the long run and thus RWTS was engaged to provide a water treatment solution to meet the township long term needs and requirements.

CHALLENGES

Due to the non release site, a minimal waste water was being generated; which resulted in common back washable filter types not being a viable option.

THE RWTS SOLUTION

FILTRATION | ULTRAVIOLET DISINFECTION SYSTEM

RWTS partnered with Practical Engineering – a specialist project team who were given the opportunity to construct a purpose designed and engineered water treatment facility and compound. The Water treatment process required by SEQwater had strict specifications and needed to meet a specific virus and protozoa log reduction through various forms of treatment application and disinfection packages.

RWTS proposed a validated absolute replaceable cartridge filtration process with no backwashing requirement, validated Ultraviolet Disinfection System treatment and residual chlorine disinfection equipment. SEQwater process engineers agreed to the proposed process offered and the design was signed off as a viable solution for the township of Linville. RWTS was engaged and responsible for the turn key water treatment process, procurement, engineering, installation, commissioning and operator training hand over package to client.

Work commenced in late 2019 and was successfully completed in April 2020 after extensive performance testing was completed over a period of 6 weeks.

RESULTS

The Linville township was successfully supplied by RWTS with treated potable water via a custom designed turn-key potable water treatment system. The  water treatment system RWTS implemented provided a high quality potable water source conforming to the Australian Drinking Water Guidelines standards and strict guidelines outlined by the utility provider SEQwater.

Ultrafiltration System: Veolia Energy and University of the Sunshine Coast

RWTS were subcontracted by Veolia Energy to design and manufacture a ultrafiltration system (UF) for the University of the Sunshine Coast.

 

Client: Veolia Energy; University of the Sunshine Coast (USC)

Industry: Infrastructure – School and Universities

Systems: Ultrafiltration

 

BACKGROUND

The University of the Sunshine Coast (USC) is a leading tertiary education provider, catering to over 11,000 students on Queensland’s Sunshine Coast. USC prides themselves on their commitment of sustainability; with an active program to better manage waste, water and recycling. In an effort to minimise the use of potable water from the local council, USC engaged Veolia Energy to implement a ultrafiltration system (UF). RWTS were subcontracted to design and manufacture the water waste management system.

The water reclamation system treated water from the on-site holding dam to a potable standard. Furthermore the water was able to be used for cooling tower makeup (through evaporation) as part of the university’s air-conditioning system.

CHALLENGES

Due to site space limitations, RWTS was required to design the plant to operate effectively within a small footprint.

THE RWTS SOLUTION

Industrial Ultrafiltration System

USC Water Reclamation System - Ultrafiltration

RWTS developed an ultrafiltration system (UF), with pre-filtration to purify the raw lake water. This removed all suspended solids and microbes to ensure high quality treated water.

The design flux of the UF system, RWTS needed to design the system to be capable of treating up to 10 kL of net permeate production. Advanced UF modelling software allowed RWTS to develop the basis of the water reclamation design, that was signed off by Veolia Energy engineers.

Due to the challenges with width restrictions within the plant room, tall, hollow-fibre ultrafiltration membranes were chosen for the design. This minimised the system’s lateral footprint through stand height membranes. The membranes were procured from our oversea supplier through many years of R&D.

The waste generated from the ultrafiltration (UF) system through chemical cleans and enhanced backwashes was captured into a waste holding tank. It then underwent a staged correction process with validation prior to the release to the council sewer network. This process was approved by the contractor and local plumbing council, meeting the strict trade waste guideline release limits.

The operating system took the form of an Allen Bradley PLC with HMI screen. Functional description (FD) was written and programmed by our in-house electrical division for approval by Veolia Water. The water reclamation system build saw RWTS use quality analytical and pumping components from trusted suppliers, including as Grundfos, Burkert and IFM.

The project was completed and handed over to client Veolia Water in June 2019. Both the University of the Sunshine Coast and RWTS were pleased with the delivered outcome and the system is currently being managed by Veolia Energy site operators.

Wastewater Treatment Plant and Reverse Osmosis System: Westgold Resources

A wastewater treatment plant and brackish water reverse osmosis system for Westgold Resource’s 200-man remote camp in Western Australia.

 

Client: Westgold Resources

Industry: Mining

Systems: EcoFarmer Wastewater Treatment Plant and Brackish Water Reverse Osmosis System

 

BACKGROUND

Westgold Resources, a top 10 Australian gold producer, recently began operations on their fourth Western Australian project – Cue Gold Operations. In order to manage the wastewater of their 200-man remote accommodation village at the Big Bell Underground Mine, Westgold approached RWTS to design and manufacture a wastewater treatment system. This same site also required a water treatment system to transform he local raw (bore) water into high quality drinking water as deemed by the Australian Drinking Water Guidelines.

 

THE RWTS SOLUTION

EcoFarmer 250 Wastewater Treatment System

Westgold EcoFarmer 250

This project was an ideal candidate for the EcoFarmer 250 Wastewater Treatment Plant which utilises a Sequential Batch Reaction (SBR) process. Although this is a standard process throughout the water treatment industry, RWTS emphasised the functionality of the plant from the initial design stages. Through the seamless collaboration between our in-house engineering and electrical divisions, smart automation was integrated for enhanced productivity with less operator intervention.

How does the automation work?

The plant continually revises code as it observes the plant’s flow. When limited flow is achieved throughout the day, a standby code automatically seizes control of the plant and in peak periods the extended code will drive the plant.

In addition, Westgold Resources will reap the benefits of the EcoFarmer, that come as standard in this turnkey range, including:

 

  • Robust steel construction to withstand harsh, remote environmental conditions
  • Seamless transportability, attributed to the ISO shipping container design
  • Premium Allen Bradley HMI (interface) and PLC control system
  • Biological treatment process pre-approved by state regulatory bodies

 

Guaranteed & Certified Design

The design was accepted with process and structural certification by REPQ.

All stringent Western Australian department of health requirements where achieved, including a 20-year design life on the plant.

The structural steel shell was manufactured sandblasted, primed and painted with an International shipping coating internally. As part of our manufacturing process, spark testing was completed across the vessel to proactively identifying any potential issues with weld and coating. This ensured the integrity of the internal and external coating surface.

Brackish Water Reverse Osmosis System

Westgold Reverse Osmosis Water Treatment System

RWTS designed and manufactured a reverse osmosis potable water treatment system to meet the potable water requirements of the Westgold Big Bell remote workers’ village.

 

Built to Last

As the industry specialist in packaged water treatment systems, we decided to containerise the RO system. This allowed for ease of transportation and protection of the system from harsh rural environmental conditions.

For optimal insulation, the internal plant room was lined with 75 mm foam-filled panelling on the walls and ceiling, and air-conditioning system was integrated to ensure ideal operating temperature through the hotter and cooler months.

 

User-Centred Design and Automation for Streamlined Operation

The treated water recirculation monitoring and dosing control platform was our internal proprietary offering. This specialist feature is able to measure chlorine pH and conductivity, utilising the new range of Burkert flow fit cubes with gateway Ethernet, and display these levels in real-time on the PLC HMI plant platform.

Our internal programming and instrumentation division designed and custom-built the HMI to be single interface of all plant monitoring, streamlining plant observation and operation. This thoughtful feature allows Westgold to reduce operating costs and rapidly identify and respond to any potential issues.

As with all RWTS chemical injection systems, this Westgold system was fitted with Burkert Viton solenoids and Mazzi Venturi systems. Again, these offer fully programmable control through the HMI system, enabling the operator to take control at any time. A

The RWTS Brackish water reverse osmosis design also features flux targeting through flow metering with secondary pressure monitoring. This allows the RO system to maintain flux across the filter elements in permeate and concentrate streams through modulating v-notch ball valves. This is common on large scale membrane projects, however, in the price-driven remote camp market, it is often overlooked, and flows are set with manual tuning valves. This unfortunately is detrimental to the life of the membrane, resulting in more frequent membrane replacements and increasing the long-term operating costs of the plant.

 

Smart Technology for Flexible Monitoring & Control

RWTS uses the latest Allen Bradley HMI and PLC platform for full control of all our plants. These systems have a wireless router allowing for full remote dial-in access through site wifi. This is a must in the ever-changing water and wastewater servicing industry. It allows the plant performance and parameters to be viewed anywhere, anytime. Imagine the ease of troubleshooting over the phone with your site-based operator as you monitor the plant’s performance in real-time. That’s the RWTS difference.

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