Reverse Osmosis, Turbidity


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New clarifier solves Virginia UF membrane problems

Funds from the US Environment Protection Agency (EPA) have enabled completion of a new pretreatment system for an ultrafiltration membrane system at the Fairmont Water Filtration Plant in West Virginia.

Qingdao desalination plant starts commercial operation

Spanish company Abengoa has begun commercial operations at the 100,000 m³/d desalination plant in Qingdao in Shandong province, the second largest commercial port in northern China.

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.

Tubular membranes replaced at South Africa coal plant

More than 2,500 tubular reverse-osmosis (TRO) membrane modules have been replaced at a South African coal-to-liquids refinery by Veolia‑owned Membratek in a subcontract.

Q&A: AMTA president Brent Alspach on why the need for membranes has never been more acute

In the week of the AMTA/AWWA Membrane Technology Conference 2018, in Florida, US, Brent Alspach, president of AMTA and director of applied research at Arcadis, outlines the water challenges and how current and in-development membrane-based treatments are addressing them.

Two direct potable reuse projects are currently in operation worldwide, in Texas, US, and Windhoek, Namibia

The Long Read: Do we have the technology for potable water reuse?

Water reuse for drinking purposes is racing up the agenda in the US and elsewhere. Work to draw up new rules for potable reuse is advancing in states including California and Arizona, as well as in Canada and the European Union. Technologies are being piloted, and plants permitted.

Veolia sells boiler-feed pretreatment to 3 US refineries

Pretreatment for high-purity boiler feedwater is to be supplied to three refineries on the Gulf of Mexico in the USA by Veolia Water Solutions & Technologies.

Engineers check the systems at Dow's research and development centre in Tarragona, Spain

Dow to pilot petrochemical wastewater treatment at its ethylene cracker facility

Dow Water & Process Solutions is planning to demonstrate a new treatment solution for petrochemical wastewater at its site in Tarragona, Spain, from next year.

Dow UF is sole pretreatment for Chinese cogen plant

China's ShanXi DaTong Co-gen has selected Dow ultrafiltration (UF) membranes for its 300MW heat/electricity cogeneration plant in DaTong in ShanXi province.

Membrana filtration curbs corrosion in Disney Shanghai cooling

Membrane manufacturer Polypore has supplied its Membrana ultrafiltration units for Shanghai Disneyland to curb corrosion in the resort's cooling water system.

Omya Webinar

New Remineralization Process for desalinated water providing stable, turbidity free pristine water quality

Wellthy has tested its system on waters from Yangon river, whose turbidity is rising due to lengthening rainy seasons in Myanmar

Tokyo's Wellthy Corp forms joint venture in Myanmar

Mitsubishi Chemical Corporation subsidiary Wellthy Corp has formed a joint venue with Myanmar Water Engineering & Products (MWEP) to provide EPC and water quality analysis services in Myanmar.

The WRF wants to provide guidance on blending for direct potable reuse water projects

WRF unveils initial findings of study into blending variables in DPR

The US Water Research Foundation has shared preliminary findings from its ongoing research into the impact of blending variables on direct potable reuse water.

PolyCera could

Water Planet introduces "revolutionary" new polymeric membranes

Water Planet has launched its new membrane filtration product, PolyCera, which it claims outpaces the current range of polymeric membranes, and costs less.

Inge's ultrafiltration technology wins place in desalination upgrade

Subsidiary of chemical giant, BASF, Inge, will supply its ultrafiltration technology for San Jose Water Company's upgrade of its 40-year old Montevina Water Treatment Plant. Inge forecast the project will be "well noted in the industry."

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 reverse osmosis.

IX + ceramic membrane water treatment plant unveiled

A water treatment plant in the Netherlands combining ion-exchange (IX) with ceramic membranes was presented to the water industry for the first time on 12 May 2014 by PWN Technologies of Velserbroek.

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.

The upgrade of La Mesa-2 will improve water supply to five million people in Manila, Philippines

Wabag wins $60 million contract to upgrade La Mesa-2 in Manila

Wabag Philippines has won a project to retrofit and upgrade the 900,000 m3/d La Mesa-2 water treatment plant in Manila, Philippines.

The ultrafiltration treatment system at High Point water treatment plant

Clarifier brings quality increase to UF treatment plant

Alabama is not a US state that immediately springs to mind in connection with membrane water treatment, which is why a poster paper at the recent AWWA/AMTA conference in Arizona caught the eye of D&WR. Opened in January 2011, the High Point Water Treatment Plant has used a solids contact clarifier and ultrafiltration to improve its overall water quality by reducing turbidity, removing pathogens, and meeting secondary standards.This article first appeared in the May/June 2012 issue of Desalination & Water Reuse magazine.

Huangyong paper factory.

Major Chinese UF order for inge watertechnologies

A major order from China for ultrafiltration (UF) equipment was announced on 25 May 2011 by inge watertechnologies AG, which is going to be taken over by BASF later this year.

Norit UF membranes for Swedish water treatment

A surface-water treatment plant that will be used to supply Göteborg, Sweden's second largest city, is to use ultrafiltration (UF) technology supplied by Norit X-Flow of the Netherlands.

GE wins desalination plant deal for Caribbean island

GE is to supply its Procera water filtration equipment package for a seawater desalination plant expansion project in Hato on the Caribbean island of Bonaire, a Netherlands- governed municipality, 80 km north of Venezuela.

IDE among top twenty smartest companies

In its 50th year in business Israel-based desalination company, IDE Technologies, has been ranked by the prestigious Massachusetts Institute of Technology's (MIT's) Technology Review as among the top 20 smartest companies.

Oasys furthers advance in China

US-based forward osmosis specialist, Oasys Water, has unveiled its latest advance in its bid to expand in China with its partner in the region, Beijing Woteer.

Osmoflo wins Australian port desalination deal

Desalination specialist, Osmoflo, has won a contract to build a desalination facility and supply water to Fortescue Metals Group at Port Hedland in Australia.

Ras Al Khair bags best desalination plant prize

The Ras Al Khair project in Saudi Arabia has won the "Desalination Plant of the Year" award at the 2015 Global Water Awards.



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.

Dubai invites bids for turnkey solar-powered reverse osmosis desalination project

The Dubai Electricity and Water Authority (DEWA) has issued a tender inviting bids for the design, installation and testing and commissioning of a pilot photovoltaic-powered pumping and reverse osmosis water desalination system.

Oil and gas player commissions produced water treatment plant

Encana Oil and Gas has designed and commissioned a reverse osmosis (RO) desalination plant to treat produced water from its oil sand wells in the Moneta Divide, Wyoming. It has since sold the plant along with all its Moneta Divide assets to Aethon Energy.

Santa Barbara ponders US$ 2 million subsurface intake test

Californian city, Santa Barbara, may put up to US$ 2 million into a study of a desalination facility seawater intake structure after environmental groups said the existing plant's open water intake pipe could be harmful to marine life.

Town looks to pipeline and desalination

The Western Australian Water Corporation plans to build desalination units before next summer to secure the water supply at Denmark after the southern Western Australian town's second driest year ever.

Reverse osmosis plant put on hold after rainfall.

After rainfall boosted Lake Palo Pinto in Texas, US to almost 30% capacity, officials at the city of Mineral Wells have elected to delay completion of a reverse osmosis facility for at least 12 months.

Doosan lands wastewater package at Iraqi oil refinery

Doosan Hydro Technology has won an order for a zero liquid discharge (ZLD) wastewater treatment package at the US$ 6 billion, 140,000 barrels-a-day Karbala oil refinery under construction at South Karbala, 100km from the Iraqi capital, Baghdad.

Mott Macdonald to advise lender in Moroccan dealination project

Banque Marocaine du Commerce Extérieur has appointed consultant, Mott Macdonald, as technical advisor in support of the bank's role as financer for a MAD 937 million (US$ 94.6 million) desalination project in Morocco.

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.

Qatar to set up US$ 500 million reverse osmosis desalination plant

Qatar utility, Qatar General Electricity and Water Corporation (Kahramaa) is set to establish a US$ 500-million, reverse osmosis (RO) desalination plant that will produce freshwater at 136 Ml/d.



US Navy reverse osmosis nears battle readiness

A prototype reverse osmosis (RO) system developed by the US Navy has successfully completed testing for use in the service's newest class of warship - littoral combat ships (LCS) - designed for use close to shore.

Papermaker ups water performance with Desalitech reverse osmosis

Arizona-based papermaker, Doubletree Paper Mills, said it has increased its purified water recovery by 20% at its Gila Bend plant since replacing its reverse osmosis water treatment system in 2014 with Desalitech's ReFlex RO system. The modification has also cut wastewater output by almost two thirds and lopped 25 % off energy consumption said Doubletree.

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.

Black & Veatch wins consultant contract for giant Jeddah desalination project

Saudi Arabia's Saline Water Conversion Corporation (SWCC) has awarded consultancy, Black & Veatch, the engineering and design contract for a major desalination project that will supply the kingdom's second largest city, Jeddah.

Acciona wins desalination deal in Cape Verde islands

A consortium of Spanish water technology firm, Acciona Agua, and construction firm Sade-CGTH, has won a €16 million (US$ 18.5 million) design and build contract for a 5,000 m³/d seawater reverse osmosis (SWRO) plant on each of the African Cape Verde islands of Sal and São Vicente from the local energy and water utility, Electra-SARL.

Live Webinar Masterclass - Membrane Fouling Control

The first in a series of Desalination and Water Reuse Masterclass webinars will run on 12 February this year. Each event will offer practical, readily applicable guidance delivered by an expert in the topic covered.

Asia's largest reverse osmosis plant begins operation

Asia's largest reverse osmosis plant, with a capacity to produce 10 Ml/d, has recently been inaugurated in Pakistan's drought-ridden Sindh province.

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.

GDF Suez kicks off giant Mirfa desalination project

Paris-based GDF Suez has begun work on the desalination component of its Mirfa gas-fired power and water project, the French firm said.

Hyflux-led group wins US$ 250 million desalination plant tender

A consortium led by Singaporean water and environmental solutions company Hyflux has been awarded a US$ 250 million contract to design, build, own and operate an independent water project (IWP) in Oman.

Palo Pinto passes desalination plan

With water supplies for the Texas city of Mineral Wells dwindling, Palo Pinto county has approved, as part of its drought contingency plan, the construction of a US$ 6.1 million reverse osmosis desalination plant to treat water from the Brazos river.

Reverse osmosis to drive US membrane demand to $6.2 billion in 2018

Water and wastewater industry demand for membranes will drive a 7.9%-a-year increase in US demand to reach US$ 6.2 billion by 2018 with reverse osmosis membranes surging 8.6% a year according to report by market research firm, The Freedonia Group.

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.

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.

Advisor ups Santa Barbara desalination restart cost by 25%

The city council of Santa Barbara in California may need to add to its planned water rates increase to cover the cost of a restart to the city's mothballed desalination plant according to acting water advisor, Josh Haggmark. He issued his warning after upping his US$ 32 million September estimate of the cost of re-booting the plant by about 25%.

Saudis to build second expansion to Oman desalination plant at Barka

Saudi generation and desalination firm, ACWA Power Barka has won a contract with Oman Power and Water Procurement (OPWP) to build a second seawater reverse osmosis plant at Barka 60km from the Omani capital, Muscat.

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.

Africa's largest desalination plant opens

Singapore-based desalination company, Hyflux, has officially opened its recently completed 500,000 m³/d desalination plant at Magtaa, Algeria. The facility is Africa's biggest and contains the largest ultrafiltration pre-treatment facility in the world according to Hyflux.

Degremont chooses Dow for green reverse osmosis pilot

Suez Envionnement water treatment subsidiary, Degremont Technologies, has selected Dow Water and Process Solutions to supply ultrafiltration and reverse osmosis membranes for a pilot desalination project in Abu Dhabi, in partnership with renewable energy company Masdar.

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.

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.

Belville planning board approves reverse osmosis plant

A request by US local water utility, H2GO (Brunswick Regional Water and Sewer), for an amendment to allow for the building of a reverse osmosis brackish water purification plant has been approved unanimously by the planning authority at Belville, North Carolina.

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.

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.

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.

Researchers uncover new membrane fouling mechanism

Researchers have uncovered "an additional reverse osmosis (RO) membrane fouling mechanism" arising from organic compounds present in ultrafiltration (UF) permeate during wastewater desalination.

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.

HICL ups stake in Victorian Desalination to over 9%

Infrastructure investor, HICL Infrastructure, has upped its holding in Australia's Victorian Desalination public private partnership project to about 9.3% with an additional 3.4% stake acquired for £25.2 million (US$ 40.5 million).

STW Water bags Horizon, Texas US$ 2.2 million brine concentrator deal

STW Water has won the US$ 2.2 million contract to design, engineer and construct a reverse osmosis concentrator for the Municipal Utility District of Horizon City, Texas.

Researchers share industry prize for fouling research

Doctoral students, Ariel Atkinson of the University of North Carolina at Chapel Hill and Erin Partlan of Clemson University, have received the 2014 Fellowship for Membrane Technology award from the American Membrane Technology Association (AMTA) and the National Water Research Institute (NWRI) for research in membrane fouling.

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.

Global desalination market to grow 9% a year

The global water desalination market is set to grow at nearly 9% a year to 2018 according a report by market researcher, TechNavio.

Namibian government poised to table offer for Areva desalination plant

Namibia's government is poised to table an offer to buy Areva's seawater desalination plant at Trekkopje and to use the 20 million m³-a-year facility to supply the country's semi-arid Erongo region.

Planned Mexican desalination plant to serve US utility

Reverse osmosis desalination company, Consolidated Water, has reported progress in its plan to build a seawater desalination plant in Mexico to supply a US water utility.

Israeli group to build desalination plants in Dar-es-Salaam

Water authorities in Dar-es-Salaam are planning to work with an Israeli consortium in constructing two reverse osmosis desalination plants to alleviate water shortage in the Tanzanian commercial capital.

Purification plant donation may slow Sri Lankan kidney disease spread

A recently commissioned reverse osmosis water purification plant donated by water treatment company Puritas will help to curb the spread of chronic kidney disease in the North Central Province of Sri Lanka according to the plant owner. Some 400,000 people in the region are understood to be currently affected with the disease.

Spanish opposition calls for end to paralysis of giant desalination project

Opposition politicians in Alicante, Spain have called on the country's central government to implement the completion of two, long-delayed reverse osmosis desalination plants to avoid urgent problems in the province amid a current drought.

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.

Torishima wins pump deal for Chilean reverse osmosis desalination

Japanese pump manufacturer Torishima Pump has received an order for high-pressure pumps and booster pumps for a new reverse osmosis desalination plant being built in Copiapo, Chile.

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.

LG Chem seeks global player status in reverse osmosis membranes

South Korean petrochemicals company LG Chem has unveiled plans to become a global player in the market for reverse osmosis membranes for desalination.

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

Acciona wins Italian jobs

Spanish infrastructure company Acciona has won a contract to supply potable water through seawater reverse osmosis (SWRO) desalination on the Italian islands of Pantelleria, Linosa and Lampedusa.

Tunisia desalination project completes feasibility check

Tunisia's National Water Company has completed a feasibility study for a seawater reverse osmosis desalination plant to be located at Zaarat, in the south east of the country. The plant will be constructed in two 50,000 m³/d phases.

Dow signs Fluor to build new Saudi desalination component factory

The Dow Chemical Company has appointed Fluor Corporation to build a new factory to manufacture reverse osmosis components for desalination plants in Saudi Arabia.

US research challenges value of forward osmosis in seawater desalination

Researchers in the US have claimed that forward osmosis desalination of seawater is significantly less energy efficient than reverse osmosis

Pure Aqua builds solar-powered desalination for Cameroon

US-based Pure Aqua has designed and manufactured six solar-powered reverse osmosis water purifiers for river water in the African state of Cameroon.

Point Lisas nears end of sixth expansion

Desalcott's Point Lisas seawater reverse osmosis plant in Trinidad, West Indies, is nearing completion on its sixth expansion since it was commissioned in 2002.

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.

Masdar picks four firms to test new desalination techniques

Abu Dhabi clean energy company, Masdar, has selected four international water technology firms to test techniques that could reduce the energy intensity of desalination and lead to a large renewably powered water purification station.

Saudi plans two more giant desalination plants

Saudi Arabia's Saline Water Conversion Corporation (SWCC) has unveiled plans to build two huge sea water desalination plants including a vast 1.5 million m³/day capacity hybrid plant with 30% of its production coming from reverse osmosis and the rest from thermal desalination.

Saudi Arabia unveils plans for giant desalination plant

Saudi Arabia's Saline Water Conversion Corporation has announced plans for what would be the world's largest desalination plant.

SWCC governor Dr AbdulRahman Al-Ibrahim and Ryuzo Sakamoto, chairman of Toyobo, opening the Rabigh plant.

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.

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.

Grenada government tries again with RO desalination

The report on the Grenada government's website on 21 May 2014 that it was building reverse-osmosis (RO) desalination plants on the islands of Carriacou and Petite Martinique might not be quite as good as it sounds.

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.

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.

Gulf red-tide early-warning system funding 'soon'

A new early-warning system in the Gulf for harmful algal blooms (HABs), also known as red tides, using satellite imagery, remote sensing, and modeling could be one result of a conference on HABs held on 16‑17 April 2014 by the Middle East Desalination Research Center (MEDRC).

SEDA to hold May Day membrane cleaning workshop

The Southeast Desalting Association is holding a workshop in Cape Coral, Florida, on 1 May 2014 focused on reverse osmosis (RO) membrane cleaning.

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.


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