Groundwater, Algae, 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.

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.

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.

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.

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.

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.

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).

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.

Southern California reused-water purchase agreed

The Water Replenishment District of Southern California (WRD) and the Sanitation Districts of Los Angeles County (SDLAC) signed a 30‑year recycled water purchase agreement on 29 August 2013, which will eliminate the need for water from northern California and the Colorado river for groundwater recharge.

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.

Ceramic membranes replace polymer in Saudi projects

German ceramic membrane-maker ItN Nanovation AG has received two orders for its flat membrane filters for groundwater projects in Saudi Arabia, replacing previously used polymer membranes.

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.

System for perchlorate in groundwater demonstrated

A demonstration system for the degradation of perchlorate, which minimises production of a secondary waste system such as that from ion‑exchange, has been installed at Aerojet General Corporation's site near Rancho Cordova in California, USA.

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.

Swiss water treatment to use PAC/UF combination

Wabag Water Technology has announced two water-treatment contracts in Switzerland based on ultrafiltration (UF) and worth around € 6 million which were won by the company at the end of 2012.

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.

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.

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.

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.

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.

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.

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.

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.

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."

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.

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).

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.

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.

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.

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.

EDR/MBR well treatment may debut in Utah

A membrane bioreactor (MBR) system, developed and patented in 2008 by Magna Water District (MWD), in the US state of Utah, and Carollo Engineers, could be used for the first time together with an electrodialysis reversal (EDR) facility to remove perchlorate and arsenic from the Barton Well Field in Utah.

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.

Obama ups federal powers to curb river pollution

US president, Barrack Obama, has stepped up federal protection of the country's waterways and drinking water supplies with a rule that clarifies which water courses and bodies may be covered by the 1972 Clean Water Act.

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.

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

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.


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).

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.

LA district renews reuse plant contract with United Water

Los Angeles West Basin Municipal Water District has renewed its contract with United water for the next five years to operate and maintain the Edward C Little Water Recycling Plant including four satellite plants.

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.

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.

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.

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.

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.

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.

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.

FCC Aqualia bags Chile deals

Water management company FCC Aqualia, has won two water supply and purification contracts in Chile's mining and petrochemical industries worth a total of € 27 million (US$ 30.7 million).

Judge rules against US water district bid to halt test slant well

A Santa Cruz county judge has ruled against the Marina Coast Water District's bid to halt California American Water (Cal-Am) in its continuing construction of a test desalination slant well in Marina.

Eight Indian states including Karnataka (above) have been selected to participate in a water reuse capacity building programme

India and Singapore sign MoU on recycling and reuse

The National Institute for Transforming India (Niti Aayog) and Singapore Cooperation Enterprise-Temasek Foundation International have signed a memorandum of understanding on water reuse.

California US$ 687 million drought relief bill calls for more reuse

California governor, Jerry Brown, has signed a US$ 687 million drought relief bill that calls on the State Water Resources Control Board and Department of Public Health to devise additional measures to bring on the use of recycled water.

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.

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.

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.

California district ups desalination and reuse incentive by 36%

Southern California's Metropolitan Water District has increased by 36% the financial incentive for water agencies to develop and produce recycled water, recovered groundwater, and desalinated seawater supplies.

California's West Basin water plans look to yes vote for bond

California's West Basin Municipal Water District plans to up its water recycling capacity and push ahead with desalination research with funds from a US$ 7.12 billion water bond which is subject to a state referendum next month.

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.

Brussels seeks options on how to up water reuse

A European Union (EU) public consultation on "policy options to optimise water reuse in the EU" is approaching its close as the bloc seeks to exploit a "significant potential for further development of water reuse" among member states.

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.

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.

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.

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.

The proposed desalination plant will be set back from the bay by two kilometres

South Australia Water kicks off public consultation on desalination plant

South Australia Water (SA Water) has kicked off a public consultation on an $80 million desalination plant project at Sleaford Bay on the Eyre Peninsula.

Graham city looks at potable reuse to tackle drought

The city council for Graham, Texas has been advised that reusing effluent would be the most cost effective and efficient water conservation option and plan.

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 Texas desalination plant could reuse fracking water

A new desalination test facility in Loving County, Texas could be deployed in treating water used in hydraulic fracturing - tracking- for shale gas for reuse in the oil industry.

Kinmen County is located just three miles off the coast of China

Taiwan's Kinmen Desalination Plant doubles capacity in upgrade

The Greater Kinmen Desalination Plant has reopened following a renovation which doubled capacity, reports Taiwan News.

Combined cooling and desalination "limits environment impact"

Studies by a company proposing to construct a groundbreaking combination of desalination plant and data centre have shown the facility will cause only limited negative impact to the environment according to the researchers.

Research gives green light to proposed desalination plant

Studies by a company proposing to construct a "unique" combination of desalination plant and data centre have shown it will cause only limited negative impact to the environment according to the researchers.


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