Seawater, Desalination, Wastewater Treatment, Recovery, Cyprus, Oil & Gas, Hawaii
IDE in talks with Hawaii desalination plant proposer
Desalination designer and builder IDE Technologies has confirmed to D&WR that it has been talking with billionaire Larry Ellison, who is proposing to build a 2.5 MGD (9,500 m³/d) seawater desalination plant on the island of Lanai.
Flowserve wins pumps and ERDs for Larnaca desalination
DWEER energy-recovery units and Flowserve DMX high-pressure pumps are to be supplied for the 60,000 m³/d Larnaca seawater reverse-osmosis (SWRO) desalination plant currently being rebuilt in Cyprus.
Nirosoft selects ERI PXs for Limassol desalination
The 50,000 m³/d seawater desalination plant currently under construction in Limassol, Cyprus, will use PX-260 pressure-exchangers from Energy Recovery Inc (ERI).
Papers invited for 2013 AWWA/AMTA event
With the 2012 AWWA/AMTA Membrane Technology Conference under way this week in Phoenix, Arizona, a call for papers has been issued for next year's event in Texas.
China's Tri-Tech acquires Wisconsin desalination provider
Desalination and wastewater treatment provider J&Y International Inc, based in Wisconsin, USA, was acquired by subsidiaries of Tri-Tech Holding Inc of China on 9 June 2011.
Desalitech ties up with Toyo for international market
Innovative reverse-osmosis (RO) developer Desalitech and Japan's Toyo Engineering Corporation announced on 11 December 2013 the formation of a strategic partnership to introduce water and wastewater treatment solutions to Japanese, East Asian and international markets.
LACSD signs up Desalitech for chloride‑removal test
Desalination system developer Desalitech is to support a pilot project with the Los Angeles County Sanitation Districts (LACSD) to upgrade two Santa Clarita Valley wastewater treatment plants in order to meet state‑mandated chloride limits, the company announced on 2 October 2013.
Speakers announced for IDA conference in Banff
Speakers and sessions for the May conference on Water Recycling and Desalination for the Oil & Gas Industry have been announced by the organizers, the International Desalination Association (IDA).
Hawaiian venue for AMTA/SWMOA workshop
The American Membrane Technology Association and the Southwest Membrane Operator Association are to hold a joint technology transfer workshop in Hawaii.
US$ 6.25 million equity investment for Desalitech
Reverse-osmosis (RO) innovator Desalitech Inc has secured an equity investment of U$$ 6.25 million led by Liberation Capital LLC, which will be used for business expansion and working capital.
Ozwater '12 abstracts required before 1 September
The Australian Water Association (AWA) has issued a call for papers for Ozwater '12 to be held on 8-10 May 2012 in Sydney.
Desalitech and Veolia tie up Mexican MoU
Desalitech Inc has signed a memorandum of understanding (MoU) with Veolia Water Solutions & Technologies to bring advanced cost‑effective high‑recovery water solutions to Mexico and additional countries worldwide.
Osmoflo to supply two ship-mounted ROs to gas field
Potable and process water is to be supplied to a gas field north of Australia by ship-mounted seawater reverse-osmosis (RO) plants supplied by Adelaide-based desalination specialist Osmosflo.
Metito lands Bechtel SWRO desalination in Australia
Dubai-based Metito has landed two new seawater reverse-osmosis (SWRO) desalination plants in Australia and is currently nearing completion of one in Qatar.
Biwater completes Virgin Islands desalination plant
Water technology company, Biwater, has started full commercial operation of a new 10,400 m³/day reverse osmosis seawater desalination plant constructed by the firm on the island of Tortola in the British Virgin Islands.
North Sea gas RO package supplied by UK company
A containerised reverse‑osmosis (RO) desalination package is to be supplied for an unmanned gas platform in the North Sea by Salt Separation Services of Rochdale, UK.
Electrochemical desalination MoU signed in Singapore
A memorandum of understanding (MoU) between Singapore's national water agency, PUB, and Evoqua Water Technologies to further develop electrochemical desalination technology was one of five MoUs signed during Singapore International Water Week, which ended on 5 June 2014.
Severn-Trent wins Chilean mining desalination contract
US water and wastewater treatment company Severn Trent Services has been awarded a contract to provide a seawater desalination plant that will serve the potable and process water needs of the Minera Esperanza copper and gold mine in Antofagasta, Chile.
Reclamation Bureau's water recycling and reuse funding criteria published
The US government's Bureau of Reclamation published on 15 October 2010 the funding criteria under its Title XVI - Water Recycling & Reuse Program for two new funding opportunity announcements in fiscal year 2011.
Queensland legislates for centralised CSG brine disposal
The Queensland state government in Australia is introducing legislation to bring about centralised treatment and disposal of water and brine produced from the coal-seam gas (CSG) industry.
Another oil-sands evaporation contract for GE in Alberta
GE has won its fifth contract in the Alberta oil sands of Canada for use of its evaporation technologies for recycling the blowdown from once-through steam generators (OSTGs).
Agnihotri elected to board of ThermoEnergy Corp
Dr Dileep Agnihotri, the CEO and president of Advanced Hydro Inc, a company set up to commercialise a novel antifouling membrane coating technology at the University of Texas - Austin, has joined the board of ThermoEnergy Corp, a Massachusetts-based company engaged in development and sales of municipal and industrial wastewater-recovery and clean power-generation technologies.
Aquatech increases Pennsylvania oil & gas resources
Aquatech has increased its oil & gas water management services in the Marcellus and Utica Shale regions of Pennsylvania with the acquisition of Fluid Recovery Services (FRS), based in Creekside.
BEL wins pressure-vessel order in Cyprus
BEL Group Ltd announced in mid-May 2010 that its subsidiary, BEL Composite industries Ltd, had been contracted to supply its composite pressure vessels (desalination membrane housings) for the 60,000 m³/d Vasilikos Power Plant seawater desalination plant in Cyprus.
STW joins HFEIS developer to target power/desalination
STW Resources Holding Corp of Texas, USA, announced on 18 September 2013 a mutual strategic relationship with Colorado‑based Tat‑Tech Inc to remediate oil-sands waste, brackish groundwater and seawater via the construction and operation of proprietary systems developed by Tat‑Tech.
Aquarion in tie with mining cleantech player
Ottawa-based cleantech company, BluMetric Environmental, has teamed up with Swiss water technology firm, Aquarion, in a technology, business, and project development agreement with an industrial wastewater focus.
Study starts on salinity reclamation of W Australian river
Mitigation measures such as desalination and diversion could be proposed for the Collie river basin in Western Australia as a result of an independent review of possible strategies for salinity recovery, which has just been started by consultants KPMG and Worley Parsons.
Water Standard finds its shipbuilder in Samsung
Texas-based Water Standard and Korea's Samsung Heavy Industries announced an agreement on 28 June 2011 to collaborate on the design and development of vessels to deliver water treatment solutions to the offshore oil and gas sector.
Jersey contracts ACWA to upgrade desalination plant
Utility, Jersey Water, has contracted international water and wastewater treatment firm, ACWA Services, to carry a out a £6 million (US$ 9 million) upgrade of the Channel Island's La Rosière desalination plant in a bid to cut operating costs and meet rising demand.
Multi-technology GE upgrade for Russian refinery treatment
Membrane bioreactor (MBR), electrodialysis reversal (EDR) and reverse osmosis (RO) technology will all feature in a major upgrade for the wastewater treatment at one of Russia's biggest oil refineries.
Desalitech closed-circuit technology set for BWRO project
Israel-based Desalitech Ltd announced on 7 April 2011 that it had been awarded a contract to design and build a reverse osmosis (RO) desalination system for Environmental Protection Technologies (EPT), a global company that leads the industrial wastewater treatment market in Israel.
Cyprus desalination failure 'setback for European aid'
Failure to implement the seawater desalination plant at Sirianokhori/Kumköy in the Turkish part of Cyprus represents a significant setback for the overall European Community assistance programme to this region, according to the European Court of Auditors (ECA).
"We're now at more than $100 million revenue." Doug Brown, AquaVenture chairman and CEO
AquaVenture chief executive Doug Brown has a track record of delivering shareholder value. When he joined water technology and engineering firm Ionics as chief executive in 2003, the struggling business was trading at $16 a share.
Aquatech shale-gas treatment center opened
The formal opening of a central water treatment center set up for shale gas producers in Pennsylvania by local company Aquatech took place on 18 April 2013.
Possibilities for energy optimisation in design and operation of SWRO plants
Seawater desalination with reverse osmosis (SWRO) has taken a noteworthy upturn during recent years. One of the reasons for the success of the membrane process is its lower energy consumption in comparison with thermal desalination processes. The high-pressure RO desalination stage is undoubtedly the dominating energy consumer of an SWRO plant. Energy consumption of SWRO, despite its energy-recovery aspects, is also influenced by a huge number of additional factors. These are both of an external nature (eg, environmental conditions and stipulations), but are also determined by design and configuration of the plant. On the basis of an SWRO plant model, which covers the different pre-treatment and RO configurations and also the design with energy consumption of potabilisation and additional wastewater treatment and sludge dewatering facilities, the specific energy consumption of an SWRO and its subsystems has been determined in this article. Considering the various aspects to be taken into account for optimization of energy consumption in seawater reverse osmosis plants and the fact that in most cases these measures are offset by increases in capital costs for equipment or possibly also in chemical consumption, optimisation of the energy consumption of SWRO plants during planning and operation is a quite extensive and complicated matter and a demanding engineering task. This article is an expanded and updated version of the article published in the August/September issue of D&WR magazine.
Desalitech's Rick Stover: "The world's experts on desal and reuse are coming to Miami"
Desalitech executive vice president Rick Stover says that delegates can expect stimulating open forum discussions, papers and research at the IDA Energy and Environment Conference in Miami, USA, December 2016
Oil/gas sector MBR leads new H2O Innovation jobs
Supply of a membrane bioreactor (MBR) wastewater treatment and reuse system to an industrial user in the oil and gas industry in Alberta, Canada, was announced by H2 O Innovation Inc on 8 March 2012.
Interview: Juan Miguel Pinto, ALADYR president
The new president of ALADYR, the Latin America desalination and water reuse association, sees his organisation as a window onto the region for international companies. His big aim is to step up events during 2018, taking knowledge of desalination and reuse out to the market.
Aquarion sets up in Russia
Swizerland-based water systems company, Aquarion Group, has established a Russian operation, Aquarion Russia, to focus on providing water and wastewater treatment to industrial customers in Russia and the Commonwealth of Independent States.
Energy Recovery announces deal duo
Industrial fluid pressure technology company, Energy Recovery, has announced its second US$ 1.8 million deal in recent weeks at sites in the Middle East and North Africa region. The latest win to supply its PX Pressure Exchanger system was for a 68 Ml/d desalination plant at an undisclosed site in the Middle East. It closed an earlier, similar deal in Morocco.
VWS Westgarth bags Angolan offshore UF/SRP contract
A multimillion dollar contract for design, supply and delivery of an ultrafiltration (UF) system and a sulphate-removal package (SRP) for offshore oilfield exploration in Angola has been won by UK-based VWS Westgarth, a subsidiary of Veolia Water Solutions & Technologies.
EDS and SPE host joint oil/gas desalination workshop
The European Desalination Society is joining the Society of Petroleum Engineers (SPE) to present a joint workshop on Desalination in the Oil and Gas Industry.
Adionics launches liquid-to-liquid desalination system
France-based Adionics has launched a smart desalination solution that is able to remove specific salts to address the growing demand coming from oil and gas, food and beverages as well as mining.
ACWA wins two membrane-based projects in Saudi
Two separate contracts for membrane-based water and wastewater projects in Saudi Arabia have been awarded to ACWA Emirates LLC of Dubai.
Energy Recovery bags US$ 1 million in desalination orders in India and Ghana
Fluid flow energy efficiency firm Energy Recovery has won desalination orders totalling US$ 1 million for original manufacturer projects using its technology in India and Ghana. The company said the deals were among a continuing revenue stream from small-to-medium sized projects.
Energy Recovery chief to quit
Chief executive officer (CEO) of pressure technology specialist Energy Recovery, Thomas Rooney, has resigned as the company increases its focus on the oil and gas sector.
Funding for reuse offered by Bureau of Reclamation
The US government's Bureau of Reclamation has announced a funding opportunity for feasibility studies of water reclamation and reuse for non-federal government entities, indian tribes, water districts, wastewater districts or rural water districts in the 17 western US states and Hawaii.
Protesa wins two Cyprus desalination pipe contracts
Contracts for glass-reinforced plastic (GRP) pipes and fittings for two desalination plants in Cyprus were announced on 21 March 2011 by Spanish manufacturer Protesa.
Second floating plant for Cyprus comes closer
Three companies are said to be shortlisted for a project to build a floating desalination plant to supply the southern coastal town of Limassol, according to Sofoklis Aletraris, head of Cyprus' Water Development Department, quoted in the Financial Mirror on 11 January 2009.
Mobile desalter starts up in Cyprus
The 20,000 m³/d mobile desalination plant providing a partial solution to the serious water shortage problems of the city of Limassol, Cyprus, and its surrounding areas became operational during w/e 20 December 2008.
Texas treatment company spins off frac water firm
A company called Green Hydro LLC has been spun off by Texas-based Advanced Hydro Inc to use desalination to address increasing demand for water use in hydraulic fracturing.
Veolia in mineral recovery partnership at inland desalination plant
Texas-based company, Enviro Water Minerals (EWM), is to deploy its novel mineral recovery technology in a partnership with water and waste giant, Veolia, to produce potable water from brackish water desalination effluent.
IDA announces May 2013 oil and gas conference
The International Desalination Association (IDA) is to organize its first technical conference focused on water treatment strategies for the oil & gas industry.
Nirosoft wins large Colombian desalination plant
Nirosoft Industries Ltd has been awarded a contract by Pacific Rubiales Energy Corp (PREC) for design and construction of a produced-water desalination plant in Colombia.
Two Spanish desalination plants get ERI PX devices
Energy Recovery Inc (ERI) is to supply energy recovery-devices for two new seawater reverse-osmosis (SWRO) desalination plants currently under construction along the Mediterranean coast of Spain.
ERI lands Al-Jubail contract in Saudi Arabia
Acciona Agua has awarded a contract to Energy Recovery Inc for PX Pressure Exchanger energy‑recovery equipment for the SWRO‑4 desalination plant in Al Jubail, Saudi Arabia.
Befesa chooses ERI again for Qingdao seawater desalination
The 100,000 m³/d Qingdao seawater desalination plant in China is to become the seventh Befesa- built reverse-osmosis plant to use PX isobaric energy-recovery devices from Energy Recovery Inc (ERI).
Fedco pressure-booster beats 80% efficiency
"We're now ready to go after any project in the world," Eli Oklejas, president of Fedco, told D&WR, after he had announced that a performance test on the company's hydraulic pressure booster (HPB) energy-recovery device for desalination had surpassed 80% efficiency.
Gold Coast desalination plant finally handed over
The Tugun desalination plant in Gold Coast, Australia, was handed over to the Queensland state government on 1 October 2010 and has become part of the South East Queensland Water Grid (SEQWG).
Hydrochem chooses DWEERs for Oman's Salalah desalination
DWEER energy-recovery systems will be used in the Salalah Independent Water & Power Plant (Salalah IWPP) in Oman to recover energy from the high-pressure brine stream in the desalination process.
Multilateral accord edges Monterey desalination forward
Fifteen parties with interests in the Monterey Peninsula Water Supply Project, which involves a seawater desalination plant, reached agreement with California American Water (Cal Am) on a number of issues in settlements filed with the California Public Utilities Commission (CPUC) on 31 July 2013.
CCC to rule on Cambria desalination plant studies
California Coastal Commission (CCC) staff have advised the commission at its meeting this week to agree to a US Army Corps of Engineers proposal to test a beach in the Cambria region, near San Luis Obispo, for use as beach wells for a desalination plant.
West Basin demonstrating desalination intake and outfall technologies
One of the first seawater desalination demonstration facilities to employ ocean-protection technology at the source of intake and discharge has begun construction in Southern California, USA.
Agreement at last on desalination supply for Monterey
Tentative agreement has finally been reached by the three agencies involved in developing a regional water supply project for California's Monterey peninsula, which will include a 10 MGD (37,850 m³/d) desalination facility.
Aqualyng begins first phase of Chinese SWRO plant
Norwegian desalination company Aqualyng on 15 March 2010 began the construction phase of the 50,000 m³/d seawater reverse-osmosis plant to serve the water needs of the Caofeidian Industrial Zone 220km east of Beijing in China.
ERI to provide pressure-exchangers for Carlsbad SWRO
IDE Technologies has selected pressure-exchangers from Energy Recovery Inc (ERI) for the 189,000 m³/d Carlsbad seawater desalination plant in California, USA.
Monterey desalination plant moves forward
Desalinated water could come to the Monterey coast of California "as soon as 2012", according to the Marina Coast Water District.
ERI equipment chosen for Melbourne desalination
The AquaSure consortium has chosen PX Pressure Exchanger energy-recovery technology from Energy Recovery Inc (ERI) for the Victorian Desalination Project, which will supply drinking water to Melbourne, Australia.
Second Perth plant chooses ERI pressure exchangers
The 140,000 m³/d Southern Seawater Desalination Plant (SSDP) in Western Australia will use PX Pressure Exchanger energy-recovery devices made by Energy Recovery Inc (ERI), the California-based company announced on 6 October 2009.
PX energy-recovery for Hadera desalination expansion
Energy Recovery Inc's PX Pressure Exchanger (PX) devices have been selected by IDE Technologies for the expansion of its seawater reverse-osmosis desalination plant in Hadera, Israel.
PX energy-recovery units selected for Palmachim expansion
Energy Recovery Inc announced on 9 September 2009 that its PX Pressure Exchanger (PX) devices have been selected for use in the expansion of the 115,000 m³/d Palmachim desalination plant, one of the largest seawater reverse osmosis plants in Israel.
West Basin desalination demo could begin next year
Construction could begin in 2010 on the Ocean-Water Desalination Demonstration Project at Redondo Beach near Los Angeles, California, the West Basin Municipal Water District announced on 30 July 2009.
ERI wins ninth Algerian supply contract
UTE Cap Djinet, a consortium consisting of Spanish contractors Inima and Aqualia, has selected PX Pressure Exchanger energy-recovery devices from Energy Recovery Inc for a large desalination plant to be built in Algeria.
Veolia buys rights to ZDD desalination technology
Veolia Water Solutions & Technologies has acquired worldwide rights to commercialize a new patented zero discharge desalination (ZDD) technology developed at the University of South Carolina by ZDD Inc.
First Water Standard vessel will use ERI units
Water Standard plans to use the PX Pressure Exchanger energy-recovery device made by Energy Recovery Inc (ERI) in its first Seawater Desalination Vessel (SDV), the two companies announced on 19 May 2009. Florida-based Water Standard builds and operates vessels that deliver desalinated water to clients onshore and to the offshore energy industry.
ERI to supply 75,000 m³/d Venezuelan desalination plant
Spanish EPC contractor Acciona Agua has awarded Energy Recovery Inc (ERI) of the USA the energy-recovery technology contract for the 75,000 m³/d (20 MGD) Paraguana desalination plant in Venezuela.
New head announced for Danfoss high-pressure systems
Developing Danfoss' small desalination systems will be one of the tasks facing the company's new senior vice-president of Danfoss High Pressure Systems, Palle Kruse.
Sydney desalter construction reaches halfway point
Construction of Sydney's 250,000 m³/d Kurnell seawater desalination plant is just over 50% complete, D&WR has been told by Sydney Water. The intake and outlet tunnels were completed in December 2008.
Contractor strength drives investment grade rating for Carlsbad bonds
Credit rating agency, Fitch, has assigned an investment grade 'BBB-' rating to bonds issued for the under-construction Carlsbad desalination plant and associated networks in California.
Brownsville pilot study published
Pilot study results from consultant NRS Consulting Engineers have confirmed that seawater desalination on the shore of the Ship Channel in Brownsville, Texas, USA, is technically feasible.
China opens laboratory to drive forward osmosis development
A pairing of leading players in China's water and petrochemicals industries have launched a venture to develop forward osmosis in seawater desalination that they claim will: "open up a new way for zero liquid discharge (ZLD) in seawater desalination of seawater resources with low energy consumption."
Monterey plant report to be published in January 2009
The California Public Utilities Commission is to release a draft environmental impact report on 30 January 2009 on California American Water Company's (CalAm's) proposed Coastal Water Project (CWP) located at Moss Landing in Monterey County, USA.
ERI wins another Algerian contract
Another large-scale energy-recovery contract for seawater reverse osmosis (SWRO) desalination in Algeria was announced by Energy Recovery Inc on 11 December 2008.
ERI to supply Hyflux project in Algeria
The Souk Tleta seawater reverse-osmosis desalination plant in Tlemcen in north-western Algeria, is to be supplied by Energy Recovery Inc (ERI) with 269 PX-220 energy recovery devices.
Tordera expansion to use ERI devices
The energy recovery contract for the expansion of the Tordera seawater reverse osmosis (SWRO) desalination plant near Barcelona, Spain, has been awarded to Energy Recovery Inc.
ERI supplies Andalucian desalter
Fifty PX-220 energy recovery devices to operate in the first-stage of the reverse osmosis process are to be supplied for the Bajo Almanzora seawater desalination project in Spain by Energy Recovery Inc.
Kuwait's 136,000 m³/d Shuwaikh plant awarded to Doosan
Doosan Heavy Industries & Construction won the contract in September for the 136,000 m³/d (36 MGD) Shuwaikh Seawater Reverse Osmosis (SWRO) Desalination Plant, the first in the country to use SWRO. Simultaneously, Doosan awarded the energy-recovery contract to Energy Recovery Inc (ERI).
Lamberts Bay seawater desalination goes to Veolia
A 1,700 m³/d seawater desalination plant, upgradeable to 5,000 m³/d, is to be built in Lamberts Bay in South Africa for the Cederberg Municipality by Veolia Water Solutions & Technologies South Africa.
Adsorption pilot phase two will focus on ZLD
MEDAD Technologies, a specialist in adsorption, has worked to commercialise a multi-effect distillation adsorption desalination (MED-AD) system since spinning off from the National University of Singapore (NUS) in 2012.
Biwater to supply UF and RO systems to California replenishment project
Biwater, UK, has won a contract to design, supply and supervise ultra-filtration and reverse osmosis systems for Southern California's Groundwater Reliability Improvement Program.
POSCO claims desalination first in Korea
Korean construction company POSCO E&C has completed the construction of what it claims to be the nation's first commercial seawater desalination plant.
Design/build RFQ issued for Monterey desalination plant
A request for qualifications (RFQ) was issued on 1 April 2013 by California American Water (Cal Am) for the desalination infrastructure component of its Monterey Peninsula Water Supply Project.
Second Chennai SWRO plant commissioned
The Nemmeli desalination plant in Tamil Nadu, India, was commissioned on 22 February 2013 by the state's chief minister, Selvi J Jayalalithaa. It is the second seawater reverse-osmosis (RO) plant to provide drinking water for the city of Chennai.
Energy Recovery trials its pump-guarding fracking system
Liberty Oilfield Services is to conduct trials of Energy Recovery's Vor Teq hydraulic pumping system for hydraulic fracturing (fracking) at US well sites. The system is based on Energy Recovery's PX Pressure Exchanger technology which is deployed in more than 15,000 desalination installations worldwide according to Energy Recovery.
Oil and gas player commissions produced water treatment plant
Encana Oil and Gas has designed and commissioned a reverse osmosis (RO) desalination plant to treat produced water from its oil sand wells in the Moneta Divide, Wyoming. It has since sold the plant along with all its Moneta Divide assets to Aethon Energy.
ERD comparison tool developed by WateReuse project
A tool to allow engineers to evaluate commercially available energy-recovery devices (ERDs) for reverse-osmosis (RO) systems has been developed under a research project funded by the WateReuse Research Foundation.
Interview: IDE Technologies CEO Avshalom Felber
Above all, IDE is a solutions provider. So says chief executive Avshalom Felber, the former financial whizz turned water industry leader, as he outlines the company's unique mix of thermal and reverse osmosis (RO) technologies, operational expertise, and contractual nous.
Cadagua orders ERI PX-Q300s for Morocco project
Spanish desalination contractor Cadagua has ordered PX‑Q300 pressure‑exchangers from Energy Recovery Inc (ERI) for the first phase of the Jorf Lasfar seawater desalination plant in Morocco.
Treatment of process effluent water for reuse in food production
Effluent water reuse in the food industry raises inevitable questions about the risk and reliability of wastewater treatment and recovery processes in meeting the required standards. The author looks at how two food processing facilities adopted process water recovery and reuse shows how the benefits can be a maximized and how the challenges live among the detail. This article first appeared in the November/ December 2014 issue of Desalination & Water Reuse magazine.
Pretreatment adaptation for Namibian SWRO plant
A 400 m³/d seawater reverse-osmosis desalination plant in Walvis Bay, Namibia, is to be upgraded under a contract announced at the end of September by Aqua Services & Engineering (ASE).