Ultraviolet, Seawater, Groundwater, 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.
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.
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.
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.
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.
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.
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.
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
Siemens wins OC membrane system contract
A hollow-fiber membrane pretreatment system is to be supplied to Orange County's Groundwater Replenishment (GWR) system expansion under a US$ 14 million contract won by Siemens in California, USA.
Finance agreed for Camarillo regional desalter studies
Two water districts and two - possibly three - cities in southern California have agree to finance studies for a regional brackish-water desalination plant to be located near Camarillo.
WRA/IUVA webcast looks at disinfection in reuse
The WateReuse Association (WRA) and the International Ultraviolet Association (IUVA) have announced a webcast discussing the various applications of UV technologies for water reuse purposes, including disinfection (inactivation of pathogens) and destruction of chemical constituents.
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.
San Francisco plans wastewater reuse plant in city park
San Francisco's Public Utilities (SFPUC) unveiled plans on 7 September 2010 for its proposed Westside Recycled Water Project, part of its Water System Improvement Program.
MBR at heart of innovative wastewater reuse project
An innovative wastewater treatment/water reuse project was opened for the City of Clovis, California, USA, on 19 March 2010, featuring membrane bioreactor (MBR) technology, ultraviolet (UV) disinfection and a patented sludge-reduction system
Xylem bags Singapore UV deal
Water technology specialist, Xylem, has won a US$ 500,000 contract to supply a major municipal water reclamation facility with ultraviolet (UV) disinfection solutions.
Grundfos buys American UV disinfection specialist
Danish pump manufacturer Grundfos announced on 5 June 2012 that it had acquired Enaqua, a San Diego-based company specializing in ultraviolet disinfection technology and specialized membranes for water purification.
MBR/RO at heart of PepsiCo reuse plant in Chile
A membrane bioreactor (MBR), reverse osmosis (RO) and ultraviolet (UV) disinfection are all part of a wastewater treatment and reuse plant upgrade being completed by Siemens Industry Automation Division for PepsiCo in Chile.
San Diego gives green light to potable reuse plan
San Diego's city council has given the green light to the construction of a 415Ml/d facility for direct potable reuse of wastewater costing up to US$ 3.5 billion. The reverse osmosis recycling scheme is expected to meet as much as a third of San Diego's daily drinking water requirement by 2035 making it the second largest potable reuse plant in the US.
MF/RO plant may be Santa Clarita salt solution
A microfiltration/reverse-osmosis (MF/RO) advanced wastewater treatment plant is one of several options being considered by the Santa Clarita Valley Sanitation District (SCVSD) in California, USA, to deal with excessive chloride levels in the wastewater it discharges to the Santa Clara River from its two treatment plants.
San Diego's advanced treatment facility viewable on YouTube
A video has been posted on YouTube of San Diego's Advanced Water Purification Facility, the centerpiece of the city's Water Purification Demonstration Project.
Singapore utility awards desalt deal to Chinese-led group
Singapore's national water agency, PUB, has selected the BESIN-UEN consortium - led by China's Beijing Enterprises Water Group (BEWG) - as the preferred bidder to construct the second reverse osmosis (RO) plant sited at Changi under a public/private partnership.
Xylem treatment boosts Chesapeake water quality project
Water technology firm, Xylem, has won a contract to provide advanced treatment to an existing wastewater treatment plant in the city of Frederick, Maryland and play a key role in an initiative focused on improving water quality in the Chesapeake Bay.
Nanobubble specialist Moleaer raises capital, seeks people
Moleaer, the California, US-based water technology firm that developed the XTB Nanobubble Generator has raised $6 million to support overseas expansion.
How we delivered Az Zour North phase one
"With hindsight we were very lucky to get everything through on time and that our construction partner Hyundai Heavy Industries was on time. Fortunately we escaped a lot of those little wrinkles that need sorting out during construction, and can drag on and on, and so we kept to time," says Andy Biffen, chief executive of project delivery vehicle Az Zour Shamal.
Spiral scoops innovation award for its 'disruptive' automatic self-cleaning filter
Spiral Water has picked up an Innovation Award from BlueTech Research for its automatic self-cleaning water filter, a "disruptive" new filter technology according to Spiral chief executive Ashwin Gulati.
Algae: a tide of trouble
The water services provider at the industrial port at Sohar in the Oman has learned the hard way, how to combat the seasonal algal wave that can grind vital reverse osmosis desalination and other water treatment to a halt. Despite unprecedented assaults the notorious Red Tide has been tamed. This article first appeared in the May 2015 issue of Desalination & Water Reuse magazine.
Suez Environnement lands US$ 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.
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.
Randy Truby joins board of Neo-Tech Aqua Solutions
Ultraviolet (UV) disinfection specialist NeoTech Aqua Solutions Inc announced on 10 March 2014 the addition of Randy Truby, a past president of the International Desalination Association, to its board of directors.
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.
Osmoflo to supply two ship-mounted ROs to gas field
Potable and process water is to be supplied to a gas field north of Australia by ship-mounted seawater reverse-osmosis (RO) plants supplied by Adelaide-based desalination specialist Osmosflo.
Parsons selected for California water-reuse expansion
California's West Basin Water District has awarded its largest ever water-reuse contract to Pasadena-based Parsons Corporation on a design-build basis.
Desalination and reuse in California/New Mexico get funding
US Secretary of the Interior Ken Salazar announced on 1 July 2009 27 water reclamation and reuse projects in California and New Mexico identified by the Bureau of Reclamation to share in a total of US$ 134.3 million under the American Recovery & Reinvestment Act of 2009.
RWL wins contract to build desalination plant in Argentina
RWL Water has won a contact to build what it claims will be Argentina's largest seawater reverse osmosis (SWRO) desalination plant.
Fluence Corp supplies its de-centralised tech to new markets globally
Fluence Corp has secured new orders for its Nirobox technology in the Philippines, and Argentina.
Keppel unveils designs for Marina East Desalination Plant
Keppel has shared design details of its Marina East Desalination Plant project in Singapore, as it broke ground on 29 June 2017.
Singapore University shares its work at the forefront of plasmonic photothermic technology
A conjoined approach to solving the problems of growing demand for energy and water would definitely be attractive. At the National University of Singapore, we have integrated the solutions to these two problems by designing a plasmonic solar thermal collector nanocomposite, comprising a Ag/SiO2 core, with a TiO2 outer shell as a photocatalyst.
Biwater to supply UF and RO systems to California replenishment project
Biwater, UK, has won a contract to design, supply and supervise ultra-filtration and reverse osmosis systems for Southern California's Groundwater Reliability Improvement Program.
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.
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.
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.
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.
District backs out of California's GRIP water-reuse project
One of the three main partners in a US$ 210 million indirect potable water-reuse scheme in California's San Gabriel Valley has walked away from the project.
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.
Desalitech and CH2M to pilot closed circuit tech in Orange County
Desalitech and CH2M are to supply a ReFlex Max system for a six-month pilot study to be conducted at Orange County Water District's Groundwater Replenishment System (GWRS).
Norit to supply largest UF wastewater reuse plant
Keppel Seghers has ordered Norit XIGA ultrafiltration (UF) membrane technology for the Doha North Sewage Works wastewater reuse project in Qatar, supplier Norit X-Flow announced on 24 April 2009.
Australian mining town to up quality from boreholes close to pit with desalination plant
The Australian arm of water technology firm, Valoriza Agua, has won a design and construct contract to deliver a 16.5 Ml/d water treatment plant to replace an existing facility and provide drinking water for the Western Australian mining town, Newman and the mine. The plant will include brackish water reverse osmosis and an ultraviolet treatment system to treat a mix of flows from drinking water boreholes sited too close to mining activities.
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.
Elon Musk pays for UV units to purify water in Flint, Michigan schools
Chief executive of Tesla Elon Musk has donated $480,350 to install ultraviolet water filtration units at 12 schools in Flint, Michigan, US.
Evoqua IPO proceeds will be used to pay down debt
Evoqua shares raised $500m on its Initial Public Offering (IPO) on the New York Stock Exchange on 2 November.
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.
City seeks to join South Bay reuse system
The City of Sunnyvale in California voted on 6 March 2012 to explore connecting its recycled water system to the South Bay Water Recycling (SBWR) system operated by the City of San Jose in partnership with the Santa Clara Valley Water District (SCVWD).
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.
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.
New San Francisco wastewater reuse project relocated
San Francisco's Westside Recycled Water Project, which will reuse up to 4 MGD (15,140 m³/d) of secondary effluent, will no longer be built in the city's historic Golden Gate Park.
West Basin declares record year in recycled water output
West Basin Municipal Water District in California has declared fiscal year 2013-14 a record 12 months in recycled water production at its Edward C Little Water Recycling Facility. The plant produced 60,000 Ml of recycled water in the period.
Hanovia and Berson present new UV range, combine into one company
Halma businesses Hanovia and Berson have together launched a new low-pressure ultraviolet (UV) disinfection system for treating municipal, reuse, and wastewater.
Xylem ultraviolet disinfection systems win California approval
Xylem has won approval for two ultraviolet disinfection systems from the drinking water division of California's water resources control board.
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.
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.
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.
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.
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.
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.
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).
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).
Singapore picks builder for new water reclaim plant
Singapore's water agency, the Public Utilities Board (PUB), has selected a consortium led by Bejing Enterprises Water Group and United Engineers as the preferred bidder for the Changi II plant under PUB's Newater marque.
Cape Town action on desalination and water reuse
The City of Cape Town, South Africa, is planning to issue a tender for a feasibility study of a "large‐ scale" seawater desalination plant within the next month. The study will determine the most appropriate location and size for such a plant.
Water rights row could delay Western Australia desalination plant
A row over water rights in the north-west of Australia could lead to delay in the construction of the West Pilbara Seawater Desalination Plant, despite assurances in February 2011 from Western Australia's (WA) state government that the project was on track.
Coquina Coast desalination team seeks public input
Community input on siting criteria to evaluate potential locations for the proposed Coquina Coast Seawater Desalination plant in Florida, USA, is being sought by the project team.
More desalination and reuse potential in Western Australia
Western Australia's Water Corporation is considering up to three seawater reverse-osmosis desalination plants along the southern coast of its area, known as Lower Great Southern, as part of a potential portfolio of water resources for the next 30 years.
Mexican desalination plant to tender soon
Comision Estadal Del Agua De Baja California (CEA) in Mexico is to build a 21,600 m³/d desalination plant in the city of Ensenada, to be tendered with a 40% federal contribution towards its estimated cost of Peso 351.900 million (US$ 28.8 million). The successful tenderer will contribute the remaining 60%.
Evoqua and Neptune Benson together snap up Delta Ultraviolet
Evoqua Water Technologies together with Neptune Benson which it acquired in June, has bought ultraviolet C technology specialist Delta Ultraviolet.
San Diego awards a $1 million deal for water reuse information campaign
The US city of San Diego has awarded a $1 million contract with communications firm Katz to develop an outreach campaign to inform the population of the city's water reuse plans.
New Indian partnership for inge watertechnologies
Germany-based ultrafiltration manufacturer inge watertechnologies AG is expanding its presence in the Indian subcontinent through a sales and distribution partnership with CN Tech Engineers (CNTE).
Agreement at last on desalination supply for Monterey
Tentative agreement has finally been reached by the three agencies involved in developing a regional water supply project for California's Monterey peninsula, which will include a 10 MGD (37,850 m³/d) desalination facility.
Monterey desalination plant moves forward
Desalinated water could come to the Monterey coast of California "as soon as 2012", according to the Marina Coast Water District.
West Basin desalination demo could begin next year
Construction could begin in 2010 on the Ocean-Water Desalination Demonstration Project at Redondo Beach near Los Angeles, California, the West Basin Municipal Water District announced on 30 July 2009.
Second Perth desalination plant starts in three weeks
Less than a week after getting federal government clearance, the contract for the Southern Seawater Desalination Plant was signed on 30 June 2009.
Tampa Bay desalination plant in trouble again
Just at the time it is really needed, the Tampa Bay seawater desalination plant has hit trouble again. For some months now, the plant has been operating well below capacity - at a time when the rainfall in that part of Florida is at record low levels.
H2O Innovation lands San Jose WTP ultrafiltration contract
A 30 MGD (113,562 m³/d) hollow-fiber ultrafiltration (UF) membrane water treatment system in California is one of three new contracts totaling Can$ 8.8 million (US$ 8.1 million) announced on 21 May 2014 by H2O Innovation.
City of Cape Town to tender three water reuse projects
The City of Cape Town has outlined plans to develop three aquifer recharge projects as part of its ongoing drought response plan.
H2O Innovation lands three water/wastewater contracts
H2O Innovation Inc announced on 14 January 2014 recent contracts totalling Can$ 6.5 million (UA$ 5.93 million) in Western Canada's energy sector.
Singapore ratchets up developments in water reuse
PUB aims to complete its 12,500 m3/d demonstration-scale plant for MBR systems for water reuse in mid-2017.
Former AWWA VP joins NeoTech UV company
The former general manager of Indio Water Authority in California, Debra Kaye, has been been appointed by NeoTech Aqua Solutions Inc, provider of UV disinfection systems, as vice-president of global municipal technologies.
Santa Clara votes for advanced wastewater reuse plant
The directors of the Santa Clara Valley Water District in California, USA, approved two agreements with the City of San Jose on 23 February 2010 to build a new advanced water treatment facility involving microfiltration, reverse osmosis and ultraviolet disinfection.
Australia's CSIRO demonstrations indirect stormwater reuse
Scientists at Australia's Commonwealth Scientific and Industrial Research Organisation (CSIRO) have bottled recycled stormwater as pure drinking water titled "Recharge", CSIRO announced on 17 September 2009.
Changi wastewater reuse plant goes commercial
Stage 1 of the Sembcorp Changi NEWater Plant (SCNP) in Singapore has started commercial operations, according to a 26 August 2009 announcement from Black & Veatch, who provided full design engineering for the wastewater reuse plant along with construction support and commissioning services.
Biwater finishes first half of Changi performance tests
The first half of the Sembcorp Changi NEWater Plant (SCNP) in Singapore completed performance tests on 14 July, contractor Biwater AEWT told D&WR. No date has been set for plant commissioning, says Biwater.