Denitrification, Seawater, Algae, Algae
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.
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.
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.
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.
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.
Nanobubble specialist Moleaer raises capital, seeks people
Moleaer, the California, US-based water technology firm that developed the XTB Nanobubble Generator has raised $6 million to support overseas expansion.
How we delivered Az Zour North phase one
"With hindsight we were very lucky to get everything through on time and that our construction partner Hyundai Heavy Industries was on time. Fortunately we escaped a lot of those little wrinkles that need sorting out during construction, and can drag on and on, and so we kept to time," says Andy Biffen, chief executive of project delivery vehicle Az Zour Shamal.
Direct membrane filtration simplifies reuse process
Recent trials have proven that direct membrane filtration of high solids (algae) and disinfection provides a simpler treatment process with substantial cost reduction. In Pillbara, Australia, two plants are being constructed to treat wastewater for recycling aiming for a 4-log removal of bacteria and viruses by filtering alone. Ultraviolet treatment provides the final requirement to reach the required 6-log removal rate. This article gives an overview of the application, and details on the technology and design used. It first appeared in the August/September 2013 issue of Desalination & Water Reuse magazine.
Modern Water claims first FO commercial desalination contract
UK-based Modern Water has won what is believed to be the first ever forward-osmosis (FO) commercial contract for desalination, following its award of a UK£ 500,000 (US$ 810,000) contract for a 200 m³/d plant by Oman's Public Authority for Electricity & Water (PAEW).
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.
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.
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.
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.
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.
Parkson breaks new ground with Saudi MBR plant
A 2,000 m³/d wastewater-reuse plant based on membrane bioreactor (MBR) technology has just been commissioned in Rabigh, Saudi Arabia, by Florida-based Parkson.
Indian state gives green light to desalination duo
India's Tamil Nadu state government has given the go-ahead for two 60 Ml/d output seawater reverse osmosis desalination plants at Kuthiraimozhi in Ramanathapuram and Alanthalai in the port city of Tuticorin. They will supply more than 1,100 rural areas where provision of safe drinking water has been a long-standing challenge.
Cape considers desalination as rationing looms
Cape Town, South Africa is considering investment in desalination and water reuse as part of its intensified focus on measures to conserve water amid fears that rationing is becoming more likely.
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.
Partnership launches ceramic trial
Netherlands-based PWN Technologies, in partnership with Indian water treatment firm VA
Tech Wabag and Japanese membrane maker, Metawater, has launched a trial to
demonstrate the effectiveness of ceramic membranes as pre-treatment for seawater
California district probes impact of possible giant desalination plant
California's West Basin Municipal Water District board of directors has voted to begin an environmental impact report as part of its research towards the construction of a seawater desalination facility in the South Bay.
Mine wants state desalination plant despite OK for own project
Namibian mining company, Rössing Uranium, has restated its preference for procuring water from national water utility, Namwater, despite having completed a feasibility study of its planned desalination plant north of Swakopmund.
Hyflux-led venture wins deal for giant Oman desalination plant
A consortium led by Singapore-based desalination company, Hyflux, has won a contract to build a OMR 100 million (US$ 260 million) seawater reverse osmosis desalination plant in Oman. The 200 Ml/d independent water project located in Qurayyat, in the Muscat governorate, will be the largest in the sultanate and supply some 17% of its peak demand.
RWL-led Mexico seawater desalination project starts construction
A consortium of RWL Water Group and Mexico's, Libra Ingenieros Civiles and RJ Ingenieria has begun construction of 22,000 m3/d reverse osmosis (RO) seawater desalination plant in Mexico's Baja California.
Antigua seawater desalination plant poised for start
West Indies island, Antigua is currently testing a reverse osmosis seawater desalination facility which could come on stream in March.
IDE claims production record at Ashkelon
Water treatment firm, IDE Technologies, has claimed that its seawater reverse osmosis desalination plant at Ashkelon, Israel, has reached a world record with 1 billion m³ of potable water produced since the start of its operation in 2005.
Japanese-led consortium bags US$ 120 million Saudi desalination deal
Saudi Arabia's Saline Water Conversion Corporation (SWCC) has awarded a US$ 120 million contract for the expansion of the Shuaiba 2 seawater desalination plant to a joint venture including ACWA Holding and Japanese engineering firms Itochu Corporation and Sasakura.
Mexico invests heavily in six new desalination projects
Mexico is investing more than one billion pesos in six initiatives to construct seawater reverse osmosis desalination plants on the country's coast where, according to national water authority Conagua, water availability is low while there is high potential for development.
Jersey plans desalination boost
Channel Island water utility, Jersey Water, is proposing a £6million extension to its 6 Ml/d, seawater reverse osmosis desalination plant at La Rosière, Corbiere, at the south-west corner of the island to cope with a "once in fifty years" severe drought.
UK utility ponders south coast desalination plant
UK utility, Southern Water, is considering the construction of a seawater desalination plant near the south coast city of Southampton.
Biwater completes Virgin Islands desalination plant
Water technology company, Biwater, has started full commercial operation of a new 10,400 m³/day reverse osmosis seawater desalination plant constructed by the firm on the island of Tortola in the British Virgin Islands.
Contractor strength drives investment grade rating for Carlsbad bonds
Credit rating agency, Fitch, has assigned an investment grade 'BBB-' rating to bonds issued for the under-construction Carlsbad desalination plant and associated networks in California.
Caribbean desalination expansion completes tests
The Desalination company of Trinidad and Tobago (Desalcott) has recently completed a performance test of its expanded Point Lisas seawater reverse osmosis plant.
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.
Oman calls for tenders on desalination plant pair
Oman's Public Authority for Electricity and Water (PAEW) has unveiled plans to open the construction of two water desalination plants to tender.
POSCO claims desalination first in Korea
Korean construction company POSCO E&C has completed the construction of what it claims to be the nation's first commercial seawater desalination plant.
Desalia starts works on Egypt reverse osmosis plant
Spain's Desalia has started site works for a new, 24,000 m³/d seawater reverse osmosis plant west of Alexandria, Egypt near the city of Matrouh.
California slant test gets US$ 1 million grant
Water utility, California American Water, has received a US$1 million grant from the state's Department of Water Resources to help fund the company's $4 million planned slant well test.
Indian PM pledges to settle Gujarat desalination project issues
India's prime minister Narendra Modi has pledged, during a current visit to Japan, to resolve outstanding issues with a 336Ml/d seawater desalination project underway in South Gujarat and led by a Singaporean and Japanese consortium.
Venezuela's largest desalination plant to start this year
Venezuela state-owned oil firm PDVSA expects by the end of the year to start operating a US$ 200 million seawater reverse osmosis desalination plant to provide water for oil refineries on the Paraguaná peninsula and drinking water for local communities.
Toyobo desalination membrane plant opened in Rabigh
The ACWA-Toyobo joint venture in Saudi Arabia, Arabian Japanese Membrane Company LLC (AJMC), opened its reverse-osmosis membrane production facility in Rabigh on 29 May 2014.
The US$ 1 billion Carlsbad seawater desalination plant in San Diego County, California has opened.
Texas Desalination Association plans September conference
The Texas Desalination Association is hosting its second annual conference Texas Desal 2014: Best Practices and Emerging Technology on 11-12 September 2014 in Austin, Texas.
Malaysian desalination plant in Tianjin will be ZLD
A groundbreaking ceremony took place on 29 May 2014 for an industrial desalination project in Tianjin, China, which is claimed to be the first zero-liquid discharge seawater desalination project in the world.
Abengoa to build SWRO plant in Agadir, Morocco
Spanish contractor Abengoa has been chosen by Morocco's Office National de l'Electricité et de l'Eau Potable (ONEE) to construct a new desalination plant in Agadir, Morocco.
Land-purchase brings Consolidated's Mexican SWRO nearer
The planned Rosarito seawater desalination project in Mexico close to the US border took a step nearer on 22 May 2014 when Consolidated Water Co Ltd announced that it had completed the land purchase for the project.
Fluor to build Dow's RO membrane factory in Saudi Arabia
Fluor Corporation has been awarded a contract by the Dow Chemical Company to build Dow's reverse osmosis (RO) membrane manufacturing facility in Jubail Industrial City II in Saudi Arabia.
Hyflux sees Dahej desalination funding 'within year'
Hyflux has extended the time it foresees for financial closure on its Dahej seawater desalination plant in India to "within this year".
Desalination quartet booked for Masdar pilot plants in UAE
Three major contractors in the global desalination business - Abengoa, Degrémont and Sidem/Veolia - together with forward-osmosis developer Trevi Systems, were awarded contracts on 5 May 2014 by Abu Dhabi's Masdar, to each start the construction of a 1,500 m³/d desalination plant as part of Masdar's pilot project announced in 2013.
Largest desalination plant produces its first water
Production of water has started at what will be the largest desalination facility in the world, the 1,025 million m³/d Ras al-Khair (Ras Azzour) seawater plant northwest of Jubail in Saudi Arabia.
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.
Doosan chooses BEL for Escondida pressure‑vessels
Doosan Heavy Industries & Construction has chosen BEL reverse‑osmosis (RO) membrane pressure‑vessels for its Escondida seawater RO project in Chile.
Beijing desalinated water supply could reach 1 billion m³/yr
A 3 million m³/d seawater desalination plant to supply the Chinese capital Beijing is being planned by Hong Kong-based Beijing Enterprise Water Group Ltd (BEWG), in addition to a 1 million m³/d plant on which the company is currently working.
GE and Aramco launch desalination energy challenge
GE ecomagination and Aramco Entrepreneurship launched a worldwide open technology challenge on 15 April 2014 to speed up efforts to improve the energy-efficiency of seawater desalination.
Carollo to evaluate restarting Santa Barbara desalination
The City of Santa Barbara, California, has selected Carollo Engineers to complete a three-phase evaluation for the reactivation of the city's Charles Meyer seawater desalination plant.
Consolidated awarded two Cayman desalination contracts
Consolidated Water Co Ltd announced on 9 April 2014 a new contract to refurbish the Lower Valley desalination plant, which it built in 1997, and the extension of an existing contract to operate the North Sound desalination plant.
AWA/NCEDA workshop on "big six" desalination plants
The Australian Water Association is holding a workshop, sponsored by the National Centre of Excellence in Desalination, on the "big six" Australian desalination plants.
Arizona wants DPR/seawater desalination plan to start now
An immediate start on work to prepare for direct potable water reuse and seawater desalination is proposed by the Arizona Department of Water Resources (ADWR) in a report recently published by the US state's government.
Hyflux aims to start Dahej desalination EPC work by July
Singapore's Hyflux, which has just posted a 28% year-on-year fall in profits, says that the group aims to achieve the financial close for its Dahej seawater desalination project in India in the first half of 2014.
H2O Innovation wins Monterey SWRO subcontract
H2O Innovation Inc has been awarded the contract to design, supply and commission the seawater reverse osmosis (SWRO) desalination system for the Monterey Peninsula Water Supply Project in California, USA.
Doosan Enpure secures Escondida pretreatment contract
Doosan Enpure has secured a US$ 17 million contract to design, procure and supply the pretreatment plant for the desalination part of the Escondida Water Supply Project at the world's largest copper mine in Chile's Atacama desert.
Cal Am applies for US$ 3 million desalination intake grant
California American Water (Cal Am) is seeking a US$ 1 million grant from the California Department of Water Resources to help fund the installation of a US$ 3 million slant test well, which is needed for its proposed Monterey desalination project.
Abu Dhabi signing for Al Zawra desalination plant
A 30 MIGD (136,400 m³/d) seawater desalination plant is to be built in Ajman, UAE, following the signing of a memorandum of understanding on 4 February 2014 between Abu Dhabi National Energy Company PJSC (TAQA) and the Federal Electricity & Water Authority (FEWA).
Texas creates state desalination committee
Following recent severe droughts, a Joint Interim Committee to Study Water Desalination has been created by the legislature in the US state of Texas, including members of both houses.
California extends desalination funding deadline
The California Department of Water Resources has extended to 31 January 2014 its deadline for the receipt of applications for desalination grant funding.
Biwater Tortola SWRO on 16-year BOOT basis
UK contractor Biwater has informed D&WR that its contract for supply of a desalination plant for the Caribbean island of Tortola will be on a build‑own‑operate‑transfer (BOOT) basis.
Chinese commercialize sea-ice desalination process
A Chinese company could be producing at least 1 billion m³ of fresh water by desalination of sea ice by 2023, according to a report by the official Chinese news agency Xinhua on 14 January 2013.
Carlsbad SWRO first year milestones revealed
Following the early January celebration of the first year of construction of the Carlsbad seawater reverse osmosis (RO) desalination plant in California, developer Poseidon Resources provided D&WR with a breakdown of the work so far.
Veolia wins Az Zour MED desalination plant in Kuwait
Veolia Environnement announced on 13 January 2014 that its Sidem subsidiary had won the contract to build the seawater desalination plant at the Az Zour North complex in Kuwait for € 320 million.
Biwater gets Barclays backing for Caribbean SWRO plant
A Caribbean water and wastewater project, including a 10,400 m³/d seawater desalination plant, has received financial backing worth US$ 43 million from Barclays, backed by a UK Export Finance Guarantee.
Chilean politicians launch mining desalination bill
A cross-party group of eight deputies in the lower house of the Chilean national congress has submitted a bill to require mining companies using more than 150 L/s of water for extraction purposes to install seawater desalination equipment.
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.
Bechtel contract for Escondida desalination project
BHP Billiton has contracted Bechtel to provide engineering, project management and construction services for the water supply to the Escondida copper mine in the Atacama Desert of northern Chile.
Yokogawa to provide control system for Jubail SWRO plant
Yokogawa Middle East & Africa has received an order from Petroleum, Chemicals & Mining Company Limited (PCMC) to supply the control system for the SWRO-4 desalination plant, which is being built in Jubail, Saudi Arabia, by the Power & Water Utility Company for Jubail & Yanbu (Marafiq).
IDE wins oil refinery SWRO plant in India
Reliance Industries Ltd, India's largest private-sector company, has ordered its first seawater reverse osmosis (SWRO) desalination solution from IDE Technologies. Reliance chose IDE's SWRO solution to meet the increased water capacity needs of the plant at one of India's largest oil refineries.
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.
EIS filed for SWRO desalination plant for Chile fishery
An environmental impact study (EIS) has been filed by Seven Seas Water Chile SpA for the Bahía Caldera Desalination Plant in Chile's Region III.
Japan funds desalination relief for South Pacific islands
The construction of a 30 m³/d desalination plant has relieved freshwater problems for around 200 inhabitants of Vanuavatu, one of the islands in the southern Lau Group in the South Pacific.
US Virgin Islands SWRO plant officially opened
The newest seawater reverse-osmosis desalination facility in the US Virgin Islands was officially opened on 21 November 2013.
IDE buys Flowserve pumps for Carlsbad desalination
IDE Technologies has purchased three large vertical seawater intake pumps from Flowserve Corporation for the Carlsbad seawater reverse osmosis (SWRO) desalination plant in Carlsbad, California.
Commission vote halts Huntington Beach application
Poseidon Water withdrew its application for a coastal development permit (CDP) for its proposed Huntington Beach seawater desalination plant after the California Coastal Commission voted on 13 November 2013 to postpone a vote on the application.
Veolia tops targets in Masdar desalination pilot programme
Interim findings by engineering giant, Veolia, from trials designed to up efficiency and develop renewable energy-driven desalination have already outstripped energy reduction targets the company has reported.
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.
Two Saudi SWRO membrane contracts awarded to NanoH2O
Desalination membrane manufacturer NanoH2O Inc has won supply contracts for two seawater desalination projects in Saudi Arabia.
Barka SWRO desalination extension in final commissioning
ACWA Power Barka SAOG reported to the Muscat Securities Market on 27 October 2013 that it was in the final stages of commissioning its 10 MIGD (45,400 m³/d) Seawater Reverse Osmosis Desalination Expansion Project in Oman.
NanoH2O announces seawater membrane factory in China
Advanced desalination membrane-maker NanoH2O is to build a fully integrated manufacturing plant in Liyang, China, a city in the Yangtze River Delta, 250 km west of Shanghai.
World's largest SWRO desalination plant operational
The world's largest seawater reverse-osmosis plant, the 624,000 m³/d Sorek plant in Israel, is now fully operational.
Santa Cruz project pause leaves Soquel district quandry
The decision of Santa Cruz City Council on 8 October 2013 to halt all practical progress on its proposed seawater desalination plant has left its partner in the project, Soquel Creek Water District (SCWD) looking for alternatives.
Oman's Sur desalination plant seeks large expansion
The owner and operator of Oman's Sur seawater desalination plant, Sharqiyah Desalination Company (SDC), has filed a bid with the Oman Tender Board for approval of a proposed expansion of 10.6 MIGD (48,000 m³/d) to the plant.
Desalination capacity increasing by 50% in 2013 says IDA
Desalination plants with a total capacity of 6 million m³/d are expected to come on line during 2013, a 50% increase on 2012, according to new data from the International Desalination Association and GWI DesalData.
Algerian minister announces desalination plant at El Marsa
Algeria's minister of water resources, Hocine Necib, announced on 6 October 2013 that a seawater desalination plant would be constructed "soon" in the town of El Marsa, according to the state‑run Algeria Press Service.
Sembcorp announces successful IPO for Salalah IWPP
Singapore's Sembcorp Industries announced on 26 September 2013 the successful close of its intial public offering (IPO) for part of its joint venture in Oman, Sembcorp Salalah Power & Water Co.
Tuaspring SWRO desalination plant opens in Singapore
Singapore's second large seawater desalination plant was officially opened on 18 September 2013 by the prime minister, Lee Hsien Loong.