USA, Denitrification, Seawater, 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.

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.

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.

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.

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.

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.

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.

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.

Visalia wastewater upgrade will be largest MBR in California

The City of Visalia, USA, is upgrading its wastewater treatment plant with membrane bioreactor (MBR) technology and will be the largest MBR plant in California when it enters service in 2013.

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.

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.

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.

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.

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.

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 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.

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.

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).

Acuamed desalination plants to use renewable energy

All the desalination plants owned by Acuamed, the Spanish water supplier, as well as distribution networks and company offices, will be run on renewable energy, the company announced on 22 December 2009.

Tampa finally hits its marks

Originally commissioned in 2003, the Tampa Bay seawater desalination plant in Florida, USA, has finally met the targets for which it was designed.

Land/ship decision in January for Coquina Coast desalination

A decision on whether the Coquina Coast Seawater Desalination Project in Florida, USA, will be land or ship based will be taken in January 2010, a meeting was told on 23 September 2009.

Clockwise from top left: Stan Williams, Jonathan Loveland and Chris Costello.

Poseidon signs two VPs and construction director

Three experienced US water industry personnel have joined Poseidon Resources, following the departure of Nikolay Voutchkov earlier this year, the company announced on 20 July 2009.

University may manage Texas desalination study

The Guadalupe-Blanco River Authority (GBRA) in Texas, USA, is to negotiate an agreement with the Sustainable Energy Research Institute at the University of Texas at San Antonio to manage a feasibility study for a proposed seawater desalination plant.

Santa Cruz pilot desalination results in 3-4 months

The Water Department of the City of Santa Cruz (SCWD), California, USA, confirmed on 23 March 2009 that its year-long seawater reverse-osmosis (SWRO) pilot plant test will be ended in mid-April with a report due in June or July 2009.

The location for the Carlsbad desalination plant.

Australia's GHD to work on Carlsbad desalination

Australia's GHD will work with US-based Butier Engineering on the US$ 300 million Carlsbad seawater desalination project in the USA. GHD announced on 16 March 2009 that the company will be providing oversight and independent assessment of the performance of the engineering procurement construction contractor and specialist knowledge and technical skills in sustainable water management practices.

Additional funding for Coquina Coast desalination plan

The board of the St. Johns River Water Management District voted on 10 March 2009 to boost its support of the development of the Coquina coast regional seawater desalination facility in Flagler County, Florida, USA.

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.

Coquina Coast desalter study approved

Consultancy work for the Coquina Coast seawater desalination project by the City of Palm Coast, Florida, USA, which is lead negotiator for the project, was approved at a council meeting on 16 December 2008. The US$ 950,000 contract is with consulting firm Malcolm Pirnie for preliminary design work on the project on Florida's north-east coast.

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.

Sixteen bid for Texas seawater desalination qualification

The Guadalupe-Blanco River Authority (GBRA) in Texas, USA, has received 16 responses to its request for qualifications issued in April 2012 for a feasibility study of a major seawater desalination project to supply the river basin with a fresh source of water.

New Carlsbad HQ for Poseidon Resources

Poseidon Resources, the company developing the Carlsbad seawater desalination plant has moved its West Coast headquarters from downtown San Diego to the city of Carlsbad.

Texas desalination RFQ period ends on 14 September

The qualification period for a feasibility study for a large seawater desalination plant in Texas, USA, ends on 14 September 2012.

Carlsbad desalination agreement "could be signed in June"

A water-purchase contract for the Carlsbad seawater desalination project in California, USA, could be ready for public scrutiny by April 2012, with possible approval by the client San Diego County Water Authority in June.

STS wins Tianjin denitrification contract

Pennsylvania-based Severn Trent Services has received a contract to provide its Tetra® Denite® denitrification system for the Zhang Gui Zhuang Wastewater Treatment Plant (WWTP) in Tianjin, China.

Coquina coast desalination funding dries up

The Coquina Coast Seawater Desalination Project in Florida, USA, would appear to be dead in the water after it became apparent at a meeting on 8 June 2011 that two of the three remaining agency partners in the project would not be funding the next stage.

Consolidated bidding for Mexican SWRO desalination

Consolidated Water Co (CWCO) has declared itself to be one of the tenderers for the El Salitral desalination plant in Baja California, Mexico. Bids are due by June.

Desalination pilot-study funding approved for Corpus Christi

A further step towards a future seawater desalination plant in Corpus Christi, Texas, USA, was taken on 22 April 2014, when the city council approved funding for a pilot study to be undertaken by Freese & Nichols Inc.

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.

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.

RFP issued for Camp Pendleton desalination studies

The San Diego County Water District in California, USA, issued a request for proposals (RFP) on 10 January 2011 for technical studies related to the proposed Camp Pendleton Seawater Desalination Project.

Huntington Beach revised desalination EIS approved

Council members of the City of Huntington Beach in California, USA, on 7 September 2010 approved a revised environmental impact study for the 50 MGD (189,000 m³/d) seawater desalination plant proposed by Poseidon Resources.

Coquina Coast desalination agreement revised

An amended and restated memorandum of agreement relating to the proposed Coquina Coast Seawater Desalination Project in Florida, USA, was agreed by Palm Coast city council, the project leader, on 15 June 2010.

Artist's impression of the Seadog installation

Wave-powered desalination about to be installed

A company in Texas, USA, is preparing to demonstrate the use of desalination with the wave-power facility it is about to install in the Gulf of Mexico.

Coquina Coast plant size slashed as partners drop out

The number of local-government partners in the proposed Coquina Coast desalination plant in Florida, USA, has reduced from 11 to four in recent weeks, although some of the dropout communities still expect to buy water from the project.

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.

Santa Cruz seawater desalination edges forward

The Santa Cruz City Council in California, USA, unanimously agreed in the middle of March to an operational framework for sharing a desalination plant with the neighboring Soquel Creek Water District if plans are eventually approved.

MWH selected for 250 MGD Texas desalination study

MWH Global has been selected by the Guadalupe-Blanco River Authority (GBRA) in Texas, USA, to carry out the feasibility study to assess the development of ocean water desalination of up to 250 MGD (950,000 m³/d) as a regional water supply, including the option of co-located power generation facilities.

Pacific Institute report lists California desalination plans

The Pacific Institute (PI) has published a list of all the currently proposed seawater desalination plants in California, USA, as a precursor to a new desalination report in 2013.

Coquina Coast plumps for land-based desalination

An interesting comparison between land- and ship-based desalination systems has been revealed in the Final Recommended Project Report submitted by consultants Malcolm Pirnie for the Coquina Coast Seawater Desalination Alternative Water Supply Project.

Orange County issues RFP for desalination pilot-plant operation

The Municipal Water District of Orange County (MWDOC) in California, USA, issued a request for proposals on 23 October 2009 for professional engineering services for the South Orange Coastal Ocean Desalination Project - Phase 3. Deadline is 19 November 2009.

IDA chooses San Diego for 2015 World Congress

The International Desalination Association (IDA) has selected San Diego, California, USA, as the site for its 2015 World Congress.

H2O Innovation to buy Piedmont Pacific

Canada's H2O Innovation Inc announced on 25 November 2013 the signing of an agreement to purchase all of the issued and outstanding common stock shares of Piedmont Pacific Corporation, the Oakland-based flexible pipe couplings manufacturer, for a total consideration of approximately Can$ 4.0 million (US$ 3.8 million).

Marin County poll shows support for desalination

Opinion poll results released on 9 July 2009 by Marin Municipal Water District (MMWD) in California, USA, showed 58% of consumers would support a desalination option in a multi-pronged approach to the district's future water supply. This rose to 68% when more information was provided.

IDA finalises Huntington Beach desalination energy conference topics

The International Desalination Association (IDA) has finalised the speakers and topics for its new-style conference Desalination: An Energy Solution, which is being held on 2-3 November 2010 in Huntington Beach, California, the city likely to host the USA's next large desalination plant after Carlsbad.

IDA scholarships for PhD students in US and Singapore

The International Desalination Association (IDA) has awarded its Channabasappa Memorial Scholarship for 2011 to Errol M Glenn of the USA and Sim Siang Tze Victor of Singapore.

Desalination consortium to pass resources on to AMTA

The Affordable Desalination Consortium (ADC), which is wrapping up its program of work this year, is to transfer the resources left after its closure to the American Membrane Technology Association (AMTA).

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.

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.

IDA confirms speakers for Huntington Beach

The International Desalination Association (IDA) has confirmed speakers for its first conference devoted exclusively to energy-efficiency in seawater desalination - Desalination: An Energy Solution, on 8-9 September 2010 at the Hyatt Regency Resort & Spa, Huntington Beach, California, USA.

Membrane 'summit' will precede AMTA conference

The 2nd Osmosis Membrane Summit will precede this year's annual conference of the American Membrane Technology Association (AMTA) in San Diego.

West Basin rehires United Water for water‑reuse plant

Suez subsidiary United Water has been awarded a renewed contract by West Basin Municipal Water District in California to continue to operate and maintain the Edward C Little Water Recycling Facility including four satellite plants.

Forward-osmosis companies launch international association

Four companies specializing in forward osmosis membrane technology launched the International Forward Osmosis Association (IFOA) on 7 April 2014.

BEL hooks up with Strand for RO pressure-vessels in US

Desalination pressure-vessel manufacturer BEL Group Ltd, through BEL Composite America Inc, announced a strategic partnership on 30 July 2011 with Strand Composite Engineering & Construction LLC of Harrison, Arkansas, USA.

Toray UF membranes online in North Dakota

An ultrafiltration UF system in North Dakota, USA, has become the first large municipal drinking-water system in the US to use Toray HFS-2020 UF membrane modules.

Miller Truby joins Professional Water Technologies

Miller Truby has joined Professional Water Technologies (PWT) in the USA as regional account manager.

Wichita Falls set to start up DPR plant in May

Direct potable reuse of wastewater could be making its debut in Texas, USA, in early May 2014, as testing of water produced by the Temporary Water Reuse Project at the City of Wichita Falls continues to show the water is safe to drink.

Santa Cruz desalination EIS goes on despite alternative study

City of Santa Cruz Council in California, USA, approved another US$ 300,000 payment on 2 August 2011 for consultant URS Corp Americas to continue its work on the environmental impact assessment for a 2.5 MGD (9,500 m³/d) desalination plant for the city.

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.

FEDCO factory tour added to AMTA Michigan workshop

A new optional tour has been added to the workshop Membranes On The Great Lakes to be held by the American Membrane Technology Association at Ypsilanti, Michigan, on 13-15 May 2014.

ERI to vacate its facility in Michigan

Energy Recovery Inc (ERI) is vacating the old Pump Engineering (PEI) base in Michigan, USA, where it has assembled turbochargers and pumps for desalination projects since taking over PEI in 2009.

New contracts end H2O Innovation's year strongly

Canada's H2O Innovation Inc is to supply membrane nanofiltration (NF) water supply systems to two municipalities in Canada and expand an existing system in a third, among contracts totaling Can$ 8 million (US$ 8.25 million) announced on 6 July 2011.

AMTA admin chief takes on CaribDA role

The administrative director of the American Membrane Technology Association (AMTA), Janet Jaworski, has taken over the post of administrative director for the Caribbean Desalination Association (CaribDA).

Degrémont completes AmeriWater acquisition

Suez group member Degrémont announced on 14 June 2011 completion of its acquisition of AmeriWater of Ohio, USA, which will be integrated into the French company's equipment business line.

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.

FEDCO opens Dubai sales and service center

US-based desalination equipment manufacturer Fluid Equipment Development Co (FEDCO) has opened a Middle East Sales & Service Center in Dubai, UAE.

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.

Biwater Florida RO project has manipulated ER unit

Acceptance testing has been successfully completed for a I.5 MGD (5,680 m³/d) reverse osmosis (RO) system being built by Biwater at the Springtree Water Treatment Plant in Sunrise, Florida, USA.

FEDCO moves Singapore office to PUB's WaterHub

Following its continued growth in Asia, Michigan-based Fluid Equipment Development Company (FEDCO) has relocated its Singapore office to the WaterHub location of PUB, the national water agency.

Truby to direct NanoH2O's global sales

Membrane veteran Randy Truby, who formerly looked after global marketing and sales at Toray Membrane USA, has joined NanoH2O Inc as director of global sales.

Opening of Woongjin's new American HQ.

Woongjin opens all-Americas headquarters and factory

A new American headquarters and membrane manufacturing facility was opened on 5 April 2011 in Anaheim, California, by Woongjin Chemical America Inc, manufacturer of CSM reverse-osmosis and nanofiltration membranes for desalination and water treatment.

The Yuma desalination plant

Yuma desalination plant pilot run concluded successfully

The year-long pilot run of the revamped Yuma desalination plant on the Colorado river in the USA has ended in success, the Bureau of Reclamation announced on 1 April 2011.

Microdyn-Nadir and Ovivo target US membrane bioreactor market

German filtration firm, Microdyn-Nadir, has struck a partnership with water treatment systems specialist, Ovivo USA, to service the US membrane bioreactor market with a combination of the German company's membrane technology and Ovivo's membrane bioreactor system (MBR) integration range.

July abstract deadline for joint AWWA/AMTA conference

A deadline of 22 July 2011 has been set for abstracts for the joint Membrane Technology Conference & Exposition being held in Arizona, USA, next year by the American Water Works Association and the Membrane Technology Association.

Consultant sought for Wichita water reuse project

Wichita Public Works & Utilities (WPWU) in Kansas, USA, has issued a request for proposals for professional services related to a 250 million gallons a year (2,600 m³/d) water reuse project.

McLaughlin takes over at CST Industries

Liquid-storage tankmaker CST Industries of Lenexa, USA, has a new president and CEO following the departure of Brian Bauerbach, who is leaving the company to lead another venture.

Aerial view of the Yuma desalting plant, Arizona

Yuma salinity/desalination conference - abstract deadline nears

Abstracts for the Salinity & Desalination in the Southwest conference in Yuma, Arizona, USA, on 26-27 April 2011 must be in by the end of February.

Abstracts invited for WateReuse symposium in Dallas

The WateReuse Association (WRA) has issued a call for presentations and posters for its 29th Annual WateReuse Symposium, which will be held on 7-10 September 2014 in Dallas, Texas, USA.

Bank lends US$ 22 million to Korean firm to fund Mexican desalination project

The North American Development Bank has provided a U$ 22 million loan to South Korean company GS Inima Environment which is building a US$ 48 million, 28.5 Ml/d reverse osmosis desalination plant in Ensenada, Mexico.

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.

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).

Desalination promotion part of Colorado river agreement

Mexico and the USA agreed to promote cooperation on desalination technology through the construction of more competitive desalination plants as part of an agreement on the use of the Colorado river signed on 20 December 2010.

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.

PoU reverse-osmosis planned for US city's households

The City of Andrews, USA, is likely to submit a proposal to the Texas Commission on Environmental Quality (TCEQ) at the end of this year for installation of point-of-use (PoU) reverse-osmosis (RO) water treatment on 4,500 city homes.

USEPA nears decision on perchlorate water standard

The US Environmental Protection Agency (EPA) is in the process of making a final decision on whether to set a drinking water standard for perchlorate.

Texas wastewater-reuse plant could be first of three

The Colorado River Municipal Water District (CRMWD) in Texas, USA, is anticipating the construction phase early in 2011 of its first regional water reclamation plant, which will be membrane-based and located in Big Spring.

Ovivo to supply largest US MBR to Canton, Ohio

The City of Canton, Ohio, is to use Ovivo membrane bioreactor (MBR) technology to upgrade its water reclamation facility from 39 MGD (147,600 m³/d) to 88 MGD (333,000 m³/d).


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