Groundwater, Reverse Osmosis, Algae


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Saudi boost for LiqTech ceramic membranes

The Saudi Arabian Ministery of Water & Electricity has announced that ceramic flat-sheet membranes are the technology of choice for groundwater applications, according to Danish company LiqTech International.

Singapore's PUB draws curtain on algae

Singapore's national water agency PUB has for the first time installed silt curtains at the waters off Tuaspring and Singspring desalination plants, to protect them from damaging fouling of their reverse osmosis membranes by mounting levels of algae in the water.

Ras Al Khaimah seawater desalination has algae shield

Northernmost of the United Arab Emirates (UAE), Ras Al Khaimah, has opened a 68 Ml/d seawater reverse osmosis (SWRO) project in Ghallilah on the emirate's west coast that is equipped to "overcome the red tide phenomena" - the seasonal proliferation of algae that blights the emirates' coastline.

Algae biomass membrane order for Denmark's LiqTech

Denmark's LiqTech International Inc has received a purchase order of around US$ 300,000 for a prototype filtration system to be used in an algae biomass project.

2014 Oman conference to look at HABs and desalination

An international conference on Harmful Algal Blooms (HABs) & Desalination is to be held in Muscat, Oman, in April 2014.

RO-based advanced treatment plant for West Virginia mines

A 5 MGD (19,000 m³/d) membrane-based wastewater treatment plant is to be built to serve a number of coal mines in West Virginia, USA, as a result of government action following pollution violations.

Suez Environnement lands US$ 200 million Middle Eastern deals duo

Suez Environnement has won a desalination contract in Abu Dhabi worth more than US$ 180 million and a separate water reuse deal in Oman taking the total value of the Middle East wins to more than US$ 200 million.

The Sidem distillers were delivered in two major shipments direct to the project site, each one weighing 2,600 tonnes. Six of the distillers were shipped from UAE, and the other four came from China

How we delivered Az Zour North phase one

"With hindsight we were very lucky to get everything through on time and that our construction partner Hyundai Heavy Industries was on time. Fortunately we escaped a lot of those little wrinkles that need sorting out during construction, and can drag on and on, and so we kept to time," says Andy Biffen, chief executive of project delivery vehicle Az Zour Shamal.

Algae: a tide of trouble

The water services provider at the industrial port at Sohar in the Oman has learned the hard way, how to combat the seasonal algal wave that can grind vital reverse osmosis desalination and other water treatment to a halt. Despite unprecedented assaults the notorious Red Tide has been tamed. This article first appeared in the May 2015 issue of Desalination & Water Reuse magazine.

The algal bloom hit Barka desalination expansion plants 1 and 2 in the Gulf of Oman

Abunayyan resigns as chair of ACWA Power Barka

Mohammad Abdullah Abunayyan has resigned as chairman and board director of ACWA Power Barka in Oman, citing personal reasons.

The XTB Nanobubble Generator is a patented technology that can reduce energy consumption in water treatment

Nanobubble specialist Moleaer raises capital, seeks people

Moleaer, the California, US-based water technology firm that developed the XTB Nanobubble Generator has raised $6 million to support overseas expansion.

Xylem supplies wastewater denitrification systems in China

Water technology company, Xylem, has supplied denitrification systems to three wastewater treatment plants in eastern China as part of a national strategy to improve wastewater treatment by 90% over five years.

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.

Ashwin Gulati (left) of Spiral Water receives the Innovation Award from BlueTech Research chief executive Paul O'Callaghan

Spiral scoops innovation award for its 'disruptive' automatic self-cleaning filter

Spiral Water has picked up an Innovation Award from BlueTech Research for its automatic self-cleaning water filter, a "disruptive" new filter technology according to Spiral chief executive Ashwin Gulati.

Direct membrane filtration simplifies reuse process

Recent trials have proven that direct membrane filtration of high solids (algae) and disinfection provides a simpler treatment process with substantial cost reduction. In Pillbara, Australia, two plants are being constructed to treat wastewater for recycling aiming for a 4-log removal of bacteria and viruses by filtering alone. Ultraviolet treatment provides the final requirement to reach the required 6-log removal rate. This article gives an overview of the application, and details on the technology and design used. It first appeared in the August/September 2013 issue of Desalination & Water Reuse magazine.

Modern Water claims first FO commercial desalination contract

UK-based Modern Water has won what is believed to be the first ever forward-osmosis (FO) commercial contract for desalination, following its award of a UK£ 500,000 (US$ 810,000) contract for a 200 m³/d plant by Oman's Public Authority for Electricity & Water (PAEW).

HTI deal takes forward osmosis to China

The world's only commercial manufacturer of forward-osmosis (FO) membranes, modules and systems, Hydration Technologies Innovations LLC (HTI), reached an international distribution, services and cooperation agreement for FO technology with Chinese company Tri-Tech Holding Inc.

Solar still v RO comparison for S Australia desalination

A full solar distillation plant was compared with reverse osmosis (RO) for a small groundwater desalination project in South Australia and RO was chosen as the preferred option.

North Port awards groundwater RO contract

The City of North Port in Florida, USA, awarded a US$ 9 million contract on 12 September 2011 for a 1.5 MGD (5,676 m³/d) reverse-osmosis (RO) groundwater treatment plant to Wharton-Smith Inc, also of Florida.

The Orange County Groundwater Replacement System

Go-ahead for 113,500 m³/d Orange County GWRS expansion

Orange County's world-renowned membrane-based Groundwater Replenishment System (GWRS) in California is to be expanded by another 30 MGD (113,500 m³/d) following approval by the board of the Orange County Water District (OCWD) on 30 March 2011.

RO consumes 4% of Malta's electricity, says new group

Reverse-osmosis desalination plants consume almost 4% of Malta's electricity supply, according to a statement from the newly-formed Malta Water Association (MWA) on 22 March 2011. The group, made up of hydrologists, engineers and other water experts, warned that urgent action is needed to protect Malta's water resources, which "are among the scarcest in the world and under severe stress."

SAWS brackish desalination test plant.

Further funding for San Antonio BWRO desalination project

Initial project construction for the brackish groundwater desalination program planned by San Antonio Water System (SAWS) in the USA will now be possible following a US$ 24.6 million loan from the Texas Water Development Board (TWDB).

Commission warns Australia about gas-production wastewater

Handling the wastewater resulting from coal-seam gas (CSG) production in Australia is likely to require a precautionary approach that will demand innovation from water managers and planners, and significantly greater coordination with existing project approval processes, the National Water Commission warned in December 2010.

Chino Desalter expansion to start in late summer

The Western Municipal Water District in California, USA, accepted US$ 4.5 million of federal government funds on 18 May 2009 towards the Chino II Desalter expansion project, which expected to start in late summer.

IDA Fellowship winners from Iran and Japan

This year's winners of the International Desalination Association's Fellowship awards come from Iran and Japan, IDA announced on 27 April 2009.

Joint venture wins Perth groundwater replenishment contract

Western Australia's Water Corporation has awarded a contract to design, construct, and commission a full-scale advanced water replenishment plant (AWRP) to a joint venture between CH2M Hill,and engineering company Thiess. The project will help secure Perth's drinking water supplies through 2060

SEDA workshop to look at membrane pilot testing

The Southeast Desalination Association (SEDA) is to hold a workshop in Florida in April on Pilot Testing of Integrated Membrane Systems.

Alamagordo completes first stage of RO project

The City of Alamagordo in New Mexico, USA, announced on 26 March 2013 that it had completed Phase 1 of its Westside Infrastructure Improvements Project, which will eventually include a 6 MGD (22,700 m³/d) desalination plant.

Another TWDB loan for SAWS desalination project

The Texas Water Development Board has given a US$ 50 million loan to the San Antonio Water System (SAWS) towards its first-ever groundwater desalination plant in southern Bexar County.

New Consolidated JV to build Bahamas UF/RO plant

Seawater desalination water company Consolidated Water Co Ltd, based in the Cayman Islands, announced 23 May 2012 that it has formed a joint venture (JV) with The New Providence Development Company Limited (NPDC) in Nassau, Bahamas.

New Monterey desalination plan launched by Cal Am

A 5.4-9.0 MGD (20,440-34,000 m³/d) desalination plant located in North Marina employing slant well intake technology remains at the heart of California American Water (Cal Am)'s latest proposal for supplying the Monterey Peninsula.

NWC report boosts Australian brackish desalination

Brackish groundwater desalination can be considered a viable community water supply option in some areas, says a report just announced by Australia's National Water Commission (NWC).

Control contract as GWRS expansion breaks ground

KDC Systems has been awarded a contract to install and/or integrate process control systems for the expansion of the membrane-based Groundwater Replenishment System (GWRS) for Orange County Water District, which broke ground on 17 January 2012.

Cal Am strikes deal on test well

Utility, California American Water (Cal Am), has struck a deal with cement maker, Cemex, to allow the water firm to drill slant test wells, and possibly production wells, on Cemex' north Marina sand mining plant site.

Perth desalination expansion to start immediately

The premier of Western Australia, Colin Barnett, announced on 1 August 2011 that work would begin immediately to double the capacity of the Southern Seawater Desalination Plant, the second major desalination plant in the Perth region.

City of Lake Worth's new RO plant (image: Bird's Eye View)

RO desalination plant completed in Lake Worth

A 4.5 MGD (17,000 m³/d) reverse-osmosis drinking-water plant for Lake Worth, Florida, USA, began a month of testing in late July following completion earlier in the month.

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.

Parsons selected for California water-reuse expansion

California's West Basin Water District has awarded its largest ever water-reuse contract to Pasadena-based Parsons Corporation on a design-build basis.

Delayed Tarpon Springs reverse osmosis plant nears completion

Construction of a long-awaited US$ 45 million brackish water reverse-osmosis plant at the US city of Tarpon Springs, Florida is close to completion a few weeks behind schedule.

Biwater picks up two desalination deals in California

Water project company, Biwater, is soon to begin work on contracts for the design, supply and supervision of installation of reverse osmosis (RO) equipment of two desalination expansion projects in California.

Orange County loses widely respected lab director

Orange County Water District (OCWD) in California announced on 21 March 2011 that Steve Fitzsimmons, director of its Advance Water Quality Assurance Laboratory, who had been a key figure in water quality testing for Water Factory 21 and gaining credibility for the Groundwater Replenishment System, died on 3 March 2011.

Oxnard AWPF currently under construction

Finance agreed for Camarillo regional desalter studies

Two water districts and two - possibly three - cities in southern California have agree to finance studies for a regional brackish-water desalination plant to be located near Camarillo.

More desalination and reuse potential in Western Australia

Western Australia's Water Corporation is considering up to three seawater reverse-osmosis desalination plants along the southern coast of its area, known as Lower Great Southern, as part of a potential portfolio of water resources for the next 30 years.

District backs out of California's GRIP water-reuse project

One of the three main partners in a US$ 210 million indirect potable water-reuse scheme in California's San Gabriel Valley has walked away from the project.

EPA funding for Arlington Desalter's biological denitrification

California's Western Municipal Water District (WMWD) confirmed on 10 February 2011 that it had secured a US$ 528,000 federal grant in January for design work on a treatment system that uses naturally occurring bacteria to remove toxic contaminants, including perchlorate and nitrate, from drinking water.

Planned Texas inland desalination plant will be USA's biggest

San Antonio Water System (SAWS) is constructing what will become the largest inland desalination plant in the USA. The plant will desalinate groundwater from the Wilcox Aquifer in southern Bexar County, Texas.

New York PSC delays Haverstraw desalination to 2020

The proposed Haverstraw desalination plant on the Hudson river in New York state, USA, has been put on hold until at least 2020 by the New York State Public Service Commission (PSC).

Permit sought for RO discharge to Great Salt Lake

A proposal from the Jordan Valley Water Conservancy District (JCWCD) in Utah, USA, to discharge reject brine from a 7-14 MGD (26,000-53,000 m³/d) reverse-osmosis desalination (RO) plant into the Great Salt Lake is out for public comment from 1 December 2010 as part of the permit process.

Australia's first groundwater replenishment trial launched

Western Australia's water minister, Graham Jacobs, launched Australia's first Groundwater Replenishment Trial on 30 November 2010, which research indicates may be cheaper than desalination.

Southern California gets wastewater reuse and desalination grants

Southern California's Joint Water Purification Pilot Program (JWPPP), which will evaluate the feasibility of wastewater reuse using advanced water treatment, has received a US$ 334,000 grant from the US Bureau of Reclamation's WaterSMART program.

Community-level solar RO plant (250 L/h capacity)

India's BARC develops small solar RO and UF units

Domestic and community-level reverse-osmosis (RO) desalination units have been developed for producing safe drinking water by Saly T Panicker at the Desalination Division of India's Bhabha Atomic Research Centre.

Siemens wins OC membrane system contract

A hollow-fiber membrane pretreatment system is to be supplied to Orange County's Groundwater Replenishment (GWR) system expansion under a US$ 14 million contract won by Siemens in California, USA.

El Paso to explore solar power for desalination plant

The City of El Paso Public Service Board voted on 10 February 2010 to explore the possibility of using solar power at the Kay Bailey Hutchison desalination plant in Texas, USA.

New Mexico BWRO seeking waste revenue stream

Processing residual wastes from a proposed brackish-groundwater desalination plant in New Mexico, USA, could provide a revenue of around US$ 4.6 million/year, according to a preliminary engineer report just completed.

Texas state funding wind-powered desalination pilots

The Texas Department of Rural Affairs (TDRA) is offering US$ 1.5 million to smaller local governments in the US state for brackish-water desalination demonstration projects using wind energy. Deadline for applications for the 2010 Desalination Fund is 29 January 2010.

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.

Arlington Desalter

Desalination plant's nitrate removal has hidden benefits

A water district in California has found a novel way to remove multiple contaminants from groundwater currently feeding a desalination plant without creating waste that requires costly treatment and disposal.

Water Planet joins forces with Applied Membranes

Water treatment technology firm, Water Planet, and reverse osmosis (RO) systems specialist, Applied Membranes, have formed a strategic alliance to market, sell and service nanofiltration and reverse osmosis based water treatment systems.

Cambria desalination will bring environmental benefit

The US Army Corps of Engineers announced on 28 April 2009 that it will receive US$ 2.5 million in funding through the new American Recovery & Reinvestment Act to develop the Cambria desalination project north-west of San Luis Obispo in California.

Sweetwater starts US$ 42 million desalination upgrade

Sweetwater Authority has begun its US$ 42 million expansion of the Richard Reynolds Groundwater Desalination facility in Chula Vista.

The Edward C Little Water Recycling Facility

US districts fight saline intrusion with reused water

Two California water districts announced an agreement on 18 April 2009 to transfer and use recycled wastewater as a barrier against saline intrusion into groundwater, replacing 5.5 billion gallons (20.8 million m³) of drinking water per year previously used for this purpose.

AdVE desalination pilot plant approved for Laredo

A 50,000 gpd (190,000 L/d) advanced vapor compression desalination (AdVE) pilot plant is to be constructed and operated for the City of Laredo, Texas. The City Council has approved a US$ 1.6 million joint proposal by Terrabon LLC and the Texas Engineering Experiment Station (TEES).

Inside the Tampa Bay desalination plant

Tampa Bay desalination plant in trouble again

Just at the time it is really needed, the Tampa Bay seawater desalination plant has hit trouble again. For some months now, the plant has been operating well below capacity - at a time when the rainfall in that part of Florida is at record low levels.

Oceanside looks to upgrade its RO plant

Oceanside, the Californian city that is home to major membrane manufacturer Hydranautics, is thinking about further desalination of brackish groundwater, if it can get federal funding for it.

Food for thought for delegates at EDS conference

The continuously queuing water tankers in the road servicing the King Hussein Bin Talal Convention Centre and its four adjacent hotels leave visitors in no doubt that Jordan is one of the most water-scarce countries in the world.

EIA submitted for 276,000m³/d RO plant in Chile

An environmental impact assessment (EIA) was filed in early September by Minera Escondida, operated by BHP Billiton, for its project Supplementary Desalinated Water Supply for Minera Escondida in Chile.

SAWS board goes for expanded desalination project

The San Antonio Water System (SAWS) board in Texas, USA, decided on 10 February 2012 to go for expanded desalination rather than importing groundwater.

Solar/MED design aims to desalinate CSG water

A three-way partnership in Australia has entered a solar-powered desalination system for the coal‑seam gas (CSG) industry into the Australian Innovation Challenge being run by Shell and The Australian newspaper.

AMTA/NWMOA Utah workshop program published

The American Membrane Technology Association (AMTA) has published the program for its joint technology transfer workshop with the Northwest Membrane Operator Association (NWMOA) in December.

Santa Cruz desalination EIR comment deadline in July

The draft environmental impact report (EIR) for the 2.5 MGD (9,500 m³/d) seawater desalination plant for the greater Santa Cruz area in California, USA, which was released on 13 May 2013, will be available for public comment until 15 July 2013.

June start for Clearwater RO plant in Florida

Construction is due to start in June 2013 on the second reverse-osmosis water treatment plant for City of Clearwater, Florida, following a groundbreaking ceremony on 6 May 2013.

South Australian town to get new desalination plant

South Australia's water minister, Ian Hunter, announced on 1 May 2013 that a brackish-water desalination plant to deliver improved water quality to the town of Hawker, in the Flinders Ranges 100km north of Port Augusta, had been approved for construction.

Parsons lands SAWS brackish water desalination job

Parsons Corporation is leading a joint venture to serve as the construction manager at risk for the San Antonio groundwater desalination program in Texas, USA.

California city ponders desalination revival

California's city of Morro Bay is poised to apply to the state Coastal Commission to operate continually its currently idle reverse osmosis desalination plant. The city let its operating permit expire in 2000, and the plant - built in 1992 - has not operated since then except for occasional emergency use.

Desalitech wins US golf-course desalination contract

Reverse-osmosis (RO) developer Desalitech Inc has won a competitive bid to supply a water purification system using its Closed Circuit Desalination (CCD) system to the Kittansett Club golf course in Marion, Massachusetts, USA.

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.

Four workshops to precede AMTA / AWWA conference

There are now four preconference workshops prior to the Membrane Technology Conference & Exposition being held by the American Membrane Technology Association (AMTA) and the American Water Works Association (AWWA) in San Antonio, Texas, at the end of February 2013.

Agreement over failed Monterey desalination plan

Agreement was reached on 4 December 2012 on legal and monetary issues resulting from the failed Monterey Regional Desalination Project, which was abandoned earlier this year.

H2O Innovation takes Californian reuse contract

A contract to expand the Leo J Vander Lans Advanced Water Treatment Facility in Long Beach, California, has been awarded to Canadian company H2O Innovation Inc.

Papermaker ups water performance with Desalitech reverse osmosis

Arizona-based papermaker, Doubletree Paper Mills, said it has increased its purified water recovery by 20% at its Gila Bend plant since replacing its reverse osmosis water treatment system in 2014 with Desalitech's ReFlex RO system. The modification has also cut wastewater output by almost two thirds and lopped 25 % off energy consumption said Doubletree.

Commission approves California American Water test slant well

The California Coastal Commission has approved the application by water utility, California American Water, (Cal Am) to construct a test slant well for its proposed 48 Ml/d seawater reverse osmosis desalination project.

H2O Innovation wins Canadian and US contracts

A 5,000 m³/d nanofiltration water treatment plant is to be provided for the city of Saint-Tite, Quebec, Canada, by H2O Innovation Inc.

Massive health grant aids Chino desalters expansion

California's Western Municipal Water District announced on 28 June 2012 that it had received a "monumental" US$ 51 million grant from the state's Department of Health towards the US$ 130 million expansion of the Chino desalination plants.

Land commission looking at Texas desalination

The Texas General Land Commission (GLO) has contracted two consulting firms to investigate the possibility of brackish-water desalination north of New Braunfels.

Western Australia's GWR scheme moves nearer

Western Australia's state government is to spend Aus$ 2.5 million (US$ 2.54 million) in 2012‑13 on preliminary design and investigation works to ensure that the Water Corporation is in a position to implement a groundwater replenishment scheme for Perth, should the trial be successful.

Desalination divides North Carolina neighbours

Two towns in Michigan, USA have demonstrated the full extent of divided public reaction to the prospect of a desalination plant in their midst.

Biwater bags California reuse contract

UK water technology group Biwater has been awarded a contract to design, supply and commission all process, mechanical, electrical and control components for a planned wastewater reuse demonstration project in California, USA.

Low-grade waste heat holds promise for desalination

Low-grade, waste heat produced by industry may be applicable to distillation desalination to make fresh water where revere osmosis is not suitable according to findings by the University of Western Australia (UWA).

Solar electrodialysis brings water to off-grid villages

A simple set of solar panels and a battery system connected to an electrodialysis desalination unit could provide fresh water for a typical Indian village according to researchers at the Massachusetts Institute of Technology (MIT) in the US.

Almogordo trial for commercial-size solar desalination still

Indiana-based Suns River is nearing completion of a commercial-sized solar still at the Brackish Groundwater National Desalination Research Facility in Almogordo, New Mexico, USA, following the issue of a patent on its process (US #8,088,257) on 3 January 2012.

EDS/Wetsus issues membrane conference call for papers

A deadline of 30 June 2012 has been set for abstracts for the eighth in the series of conferences on Membranes in Drinking & Industrial Water Production, which will take place at Leeuwarden in the Netherlands on 10‑12 September 2012.

Another legal blow for Monterey desalination alternative

California American Water's (Cal Am's) progress in developing an alternative desalination project for California's Monterey Peninsula received yet another setback on 2 February 2012, when a judge issued an amended ruling on the environmental impact report (EIR) originally published for the abandoned Regional Desalination Project.

Nanovation wins US$ 1.7 million Veolia contract in Saudi

Germany's Nanovation has been awarded a €1.3 million (US$ 1.7 million) contract to supply its flat sheet ceramic ultrafiltration membranes to Veolia Water's VWS Saudi Industries for a new waterworks project at Al Quaiyah, east of Jeddah.

Financial meetings held over Gaza desalination project

The Union for the Mediterranean (UfM) announced on 18 January 2012 that a delegation headed by deputy secretary general Rafiq Husseini visited Kuwait and Saudi Arabia during the previous week to present the Gaza water desalination project to financing institutions.

Membrane plant to treat Delaware city groundwater

A membrane treatment plant is to be part of the renovation and extension of the existing 6 MGD (22,700 m³/d) water treatment plant in City of Delaware, Ohio, USA, which will start in 2012.

The Orange County Water District Groundwater Replenishment System will test closed circuit desalination technology in a six-month pilot

Desalitech and CH2M to pilot closed circuit tech in Orange County

Desalitech and CH2M are to supply a ReFlex Max system for a six-month pilot study to be conducted at Orange County Water District's Groundwater Replenishment System (GWRS).

Outfall and intake problems hit OC desalination

The pilot plant for the South Orange Coastal Ocean Desalination Project in California has been forced to close down due to relocation of its outfall pipe due to heavy storms . The project has also run into problems with its intake water.

Bill to update US Desalination Act introduced

A bill to fund US government research and development projects into desalination was introduced into the US House of Representatives on 27 July 2011 by California Democrat representative Grace F Napolitano.

Nine desalination studies bag US$ 1.4 million funding

Nine research projects and pilot studies will share US$1.4 million in funding under a desalination and water purification research programme set up by the US Bureau of Reclamation.

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.


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