Desalination, Groundwater, Algae, Algae


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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.

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.

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.

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).

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.

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.

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.

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 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.

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.

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.

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.

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.

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.

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.

San Antonio first phase desalination set for 2016 finish

The first phase of a groundwater desalination plant in San Antonio is set to be completed next year. The US$ 193 million first phase will produce fresh drinking water at about 50 Ml/d for customers of the San Antonio Water System.

Yemen poised to build first desalination plant

Yemen is set to build its first desalination plant. The $300 million project is a response to growing water demand as the country's natural water resources have become dangerously depleted.


California to promote reuse and streamline permitting

In the future, most new water in California will come from a combination of improved conservation and water use efficiency, conjunctive use (coordinated management of local surface and groundwater), recycled water, drinking water treatment, groundwater remediation, and desalination.

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.

Texas will need desalination says land commissioner

The Texas Land Commissioner, Jerry Patterson, said on 29 August 2013 at the Texas Groundwater Summit in San Marcos that the state would need more alternatives such as desalination to provide a solution for its thirsty growing population.

Perth groundwater replenishment project gets go-ahead

The Western Australia state government announced on 1 August 2013 that it was adopting groundwater replenishment with reused municipal and industrial wastewater to help secure Perth's water supplies.

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.

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.

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.

Almogordo mobile desalination project in train

A mobile desalination facility to treat 4,000 acre-ft per year (af/y) (4.9 million m³/y) near Almogordo, New Mexico, moved closer to realisation when the City Commission approved an approach for a US$ 2.7 million loan/grant from the New Mexico Finance Authority on 1 November 2012.

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.

Brackish desalination studied for Oklahoma aquifer

The Central Oklahoma Water Resources Authority (COWRA) in the USA is currently working with local company Guernsey Engineering and California's Separation Processes Inc to do a feasibility study and pilot project to use brackish water from the Garber Wellington aquifer which underlies 3,000 sq miles (7,700 km²) of central Oklahoma.

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.

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.

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).

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.

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.

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.

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.

Grant for Texas pilot wind-powered desalination plant

The Texas Department of Rural Affairs (TDRA) has made a US$ 2.75 million grant to Mitchell County, Texas, towards a US$ 8 million pilot project to use wind power for a brackish-water desalination project.

Australian study finds way to up value of desalination for farming

Scientists at Australia's Commonwealth Scientific and Industrial Research Organisation (CSIRO) have found that the addition of nutrients could make desalinated water more financially attractive to farmers.

More federal money sought for Chino Desalters

Western Municipal Water District (WMWD) in California, USA, is to seek additional federal money later this financial year for the Chino Desalters Phase 3 expansion.

Perth desalination expansion could swap for reuse project

The water minister of Western Australia, Bill Marmion, was quoted in the Australian media on 27 May 2011 as saying that the expansion of the Southern Seawater desalination plant may be indefinitely delayed in favour of more water reuse.

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."

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).

Chino desalters get first general manager

Curtis Paxton, currently assistant general manager and chief operating officer of the Palmdale Water District, is to become the first general manager of the Chino Basin Desalter Authority (CBDA) in California from 24 January 2011.

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).

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.

CaribDA to sponsor Chile desalination seminar

The Caribbean Desalination Association (CaribDA) announced on 14 October 2010 that it would be a sponsor of a seminar on Desalination, Innovations & Sustainable Development to be held in Antofagasta, Chile, during 29 November - 1 December 2010.

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.

Egypt and Bahrain seek joint desalination projects

Egypt and Bahrain are looking to develop joint water desalination projects between the two countries.

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.

Egypt to step up seawater desalination efforts

Egypt's president Hosni Mubarak has instructed the government to expand its seawater desalination initiatives and step up efforts to discover additional sources of groundwater, according to the Egyptian daily Al-Masry Al-Youm.

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.

Soquel Creek district to examine water-reuse options

Soquel Creek Water District in California, whose proposed desalination project with City of Santa Cruz was put on hold last year when Santa Cruz backed out, is re-evaluating water-reuse projects and their feasibility.

Leila Karimi

EDR researcher wins 2013 Channabasappa Scholarship

The International Desalination Association has awarded its 2013 Channabasappa Scholarship to Leila Karimi, a PhD candidate at the Institute for Energy & the Environment, Chemical Engineering Department, New Mexico State University (NMSU).

Monterey boreholes reveal good slant-well conditions

California American Water (Cal Am) reported on 20 December 2013 that data from its ongoing investigation into subsurface slant well intakes for its proposed Monterey desalination plant were showing promising results.

Florida state official urges more seawater desalination

Florida, which is about to become the third most populous state in the USA, has been urged by its agriculture commissioner, Adam Putnam, to invest more in seawater desalination to combat water scarcity.

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.

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.

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.

Gold miner opts for desalination to supply planned Mexican mine

The gold mining arm of energy firm, Chesapeake, has opted to use desalinated seawater to supply water for its proposed Metates gold and silver mining project in Durango state, Mexico. It has tendered for proposals to build and operate a 55Ml/d desalination facility to supply the mine with fresh water.

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.

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.

KfW signs Djerba desalination loan agreement in Tunisia

Tunisia's Société Nationale d'Exploitation et de Distribution des Eaux (SONEDE) signed an agreement on 22 August 2013 with the German development bank KfW for a loan of around € 60 million for the Djerba seawater desalination plant.

Texas cities ponder desalination as lawmakers seek to remove legal obstacles

Texas cities McAllen and Edinburg are mulling the construction of a desalination plant to service both cities.

Details published of AMTA/SCMA Texas workshop

The American Membrane Technology Association (AMTA) has released details of the technology transfer workshop it is holding in Texas in September in conjunction with the South Central Membrane Association.

South Africa to focus on desalination and water reuse

Desalination and the reuse of wastewater from municipalities and mining are strongly emphasised in the 2nd National Water Resources Strategy (NWRS2) for South Africa released at the start of July 2013.

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.

Florida company to build Clearwater RO desalination plant

Poole & Kent Company of Florida has been awarded a contract to install a reverse‑osmosis desalination plant in Clearwater, Florida.

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.

Pacific Institute reports on desalination energy use

The Pacific Institute has published the next instalment of its series on Key Issues For Seawater Desalination in California, this time looking at energy requirements and associated greenhouse gas emissions for desalinated water.

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.

GRA web seminar to look at California salt plans

CalDesal, the California desalination non-profit organisation, is joining a web seminar on Workflow for Salt and Nutrient Plans on 15 May 2013 presented by the Groundwater Resources Association with the Association of California Water Agencies.

AMTA and AWWA announce ward winners

The American Membrane Technology Association and the American Water Works Association recently announced the winners of four awards at this year's Membrane Technology Conference & Exposition.

Guadalupe-Blanco desalination feasibility award in May?

Interviews will be taking place on 1-2 May 2013 with the seven groups left in competition for the feasibility study for the Regional South Central Texas Power & Seawater Desalination Project proposed by the Guadalupe-Blanco River Authority (GBRA).

Santa Cruz prepares for desalination EIR release

The Californian city of Santa Cruz and Soquel Creek Water District are holding a special joint study session on 7 May 2013 at the City Council Chambers to receive information on the scwd2 Regional Seawater Desalination Project draft environmental impact report (EIR) which is expected to be released in mid-May.

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.

Rejected slant well could work

A water intake system previously rejected for a proposed desalination plant at Huntington Beach could be viable if it is used differently, according to environmental organisation, Orange County Coastkeeper.

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.

AMTA and SEDA to hold Chesapeake membrane workshop

The American Membrane Technology Association (AMTA), which promotes membrane processes for desalination and water / wastewater treatment, is to hold a joint technology transfer workshop with the Southeast Desalting Association in Chesapeake, Virginia, in May 2013.

Napolitano seeks to reauthorize US desalination act

A bill, HR 745, to reauthorize the 1996 Water Desalination Act was introduced in the US House of Representatives by California representative Grace Napolitano on 15 February 2013.

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.

A grand conference is AMTA/ AWWA's fourth

One thousand attendees turned up at Orlando, Florida for the fourth Membrane Technology Conference (MTC) hosted jointly by the American Water Works Association (AWWA) and American Membrane Technology Association (AMTA) last week.

First seawater in Perth's 2nd desalination plant

The first intake of seawater into the second stage of the Southern Seawater Desalination Plant (SSDP) in Western Australia on 22 January 2013 marked another major milestone in commissioning the Aus$ 450 million (US$ 470 million)expansion project.

STW delivers well water desalination in Texas

Texas-based STW Resources Holding Corp announced on 22 January 2013 that it has delivered a proprietary water desalination facility to convert 700,000 GPD (2,650 m³/d) of brackish well water into rain-equivalent water for the maintenance of greens and fairways at the Ranchland Hills Golf Club in Midland.

Papers deadline stretched for IWA reuse conference

The International Water Association (IWA) has extended the deadline for submission of outline papers for the 9th IWA International Conference on Water Reclamation & Reuse.

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.

Containerized plant resolves district's drought difficulties

Membrane filtration company, H2O Innovation, has delivered a 3,200 m³/d containerized water treatment system to the Cambria Community Service District, California to "resolve promptly" the community's difficulties amid its tenth year of drought. The system treats a mix of brackish water, freshwater and secondary effluent to be injected into a groundwater basin.

New COO and business lines for STW Resources

US water services provider STW Resource Holding Corp announced a new chief operating officer (COO) on 25 October 2012 and expanded business lines, including large-scale desalination and oil/gas water reclamation.

First stage of Gaza desalination project completed

The European Union and UNICEF have marked the completion of the first component of their joint project with Palestine's water utilities to construct a Euro 10 million (US$ 11.2 million) desalination plant which will provide over 75,000 Palestinians with drinking water in Gaza.

Israel aids Pacific island with mobile desalinator

Israel's ministry of foreign affairs is supplying a truck-mounted desalination facility to the Marshall islands in the Pacific ocean to help tackle the islands' severe water shortage.

Installed desalination growth slowed in 2011‑2012

Installed desalination capacity around the world rose by only 9% last year to reach 78.4 million m³/d, according to the latest data published by the International Desalination Association (IDA) and Global Water Intelligence (GWI).

CalAm opts for recycling over desalination

In a testimony supporting a major groundwater replenishment project, president of water supplier, California American Water (CalAm), Rob MacLean, has told the California Public Utilities Commission (CPUC) the proposed project was preferable to building a large desalinated facility.

Go small and local on desalination warns Saudi water expert

President of the Saudi Water and Power Forum (SWPF) Dr Adil Bushnak, has warned that Saudi Arabia must end its rising dependence on "costly" centralised desalination plants.

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.

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.

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).

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.

ACWA supports California desalination regulation rethink

The Association of California Water Agencies (ACWA) has proposed to the State Water Resources Control Board (SWRCB) that the board's new environmental document for desalination and brine disposal should propose a method to combine the current regulatory requirements, permits and approvals.


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