Turbidity, Water Scarcity, Ultrafiltration, Desalination, Alabama, Arizona


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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.

Arizona centre opens to address water scarcity

The University of Arizona's Water and Energy Sustainable Technology (WEST) Centre has opened with a brief to "help enable researchers, public officials, and industry leaders to work together in developing new technologies and more energy sustainable solutions to address water scarcity," according to founding member and sponsor, Dow Water and Process Solutions.

AMTA lists tech transfer and AWWA events

The American Membrane Technology Association (AMTA) has fixed dates for technology-transfer workshops this year including a joint event with the South West Membrane Operators Association (SWMOA),

Siemens to supply 88,000m³/d UF pretreatment for Scottsdale

Siemens Water Technologies announced on 14 December 2010 a US$ 7 million contract to supply 11 Memcor CP membrane filtration systems for the City of Scottsdale Water Campus Advanced Water Treatment (AWT) Facility expansion in Arizona, USA.

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.

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.

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.

Jack August to give AWWA/AMTA keynote speech

Dr Jack L August Jr, historian and executive director of the Barry Goldwater Center for the Southwest and visiting scholar in legal history at Snell & Wilmer LLP will be keynote speaker at the AWWA/AMTA Membrane Technology Conference & Exposition, which opens in Pheonix, Arizona, next week.

Aerial view of the Yuma desalting plant, Arizona

Yuma salinity/desalination conference - abstract deadline nears

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

Yuma desalination plant restarted for pilot run

Representatives from the US Department of the Interior and three municipal water agencies gathered on 28 April 2010 to launch a one-year pilot run of the Bureau of Reclamation's Yuma Desalting Plant.

IX system improves Alabama MF plant's performance

The City of Oneonta in Alabama, USA, commissioned a 3 MGD (10,500 m³/d) MIEX® ion-exchange system in August 2012 to provide dissolved organic carbon (DOC) removal prior to coagulation and microfiltration of Oneonta Utilities' Little Warrior river water source.

July abstract deadline for joint AWWA/AMTA conference

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

FO pilot plant could follow HTI Dubai link-up

Forward-osmosis (FO) system manufacturer Hydration Technology Innovations LLC (HTI) has signed an international distribution, services and cooperation agreement for FO technology with Future Technologies LLC of Dubai. Future Technologies will distribute HTI's FO OsMem™ membrane technology for industrial applications.

Puretec acquires Layne Christensen's DI assets

California-based Puretec Industrial Water announced at the end of March 2013 that it had acquired the assets of Layne Christensen's Arizona-based deionization water purification and water system maintenance services as from 1 April 2013.

Arizona RO plant opens solar-energy system

A 459 kW photovoltaic (PV) solar power system has been completed at the Reverse Osmosis Water Treatment Facility for the Town of Gila Bend, Arizona, by Solon Corporation, the company announced on 13 February 2013.

Reverse-osmosis racks at the Scottsdale AWT expansion

Large RO membranes at heart of Scottsdale expansion

The 7.1 MGD (26,900 m³/d) expansion of the City of Scottsdale's Water Campus Advanced Water Treatment (AWT) plant in Arizona, USA, is now fully operational creating a total of 20 MGD (75,700 m³/d) of reused wastewater.

Arizona RO plant gets solar energy boost

The Arizona town of Gila Bend is to build a 460 kW photovoltaic solar‑energy system to power its 1 MGD (3,785 m³/d) reverse‑osmosis (RO) water treatment system.

Tri-Tech planning forward-osmosis pilot plants

Chinese water and wastewater treatment company Tri-Tech Holdings announced on 13 May 2011 that its current plans include constructing and operating one or more forward-osmosis (FO) pilot units using technology licensed from Arizona-based Hydration Technology Innovations (HTI).

Arizona panel makes water-reuse recommendations

More than 60 recommendations including many on wastewater reuse have been forwarded to the governor of the US state of Arizona by a "Blue Ribbon" panel formed by the governor, Jan Brewer, in 2009.

UF units from Innovative bound for Arizona and Haiti

Eight ultrafiltration (UF) drinking water treatment plants are to be provided by Innovative Water Technologies Inc (IWT) for the Central Arizona Project in remote locations throughout Arizona, USA. Units are also being sent urgently to Haiti.

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.

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."

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.

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.

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.

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.

LA utility tops US water bond risk says report

A report published on 21 October 2010 by Ceres and Water Asset Management alleges that few participants in the US water and electricity bond market -- including investors, bond rating agencies and the utilities themselves -- are accounting for growing water scarcity, legal conflicts and other threats in their analyses.

Pentair to buy CPT division from Norit

Pentair Inc is to acquire the Netherlands-based Clean Process Technologies (CPT) division of Norit Holding BV in the second quarter of this year for € 503 million (US$ 705 million), plus net debt at closing.

Desalitech teams up with Pall

High-efficiency reverse osmosis (RO) system specialist, Desalitech, has entered into a non- exclusive partnership with filtration, separation and purification technology firm Pall Corporation. The  agreement will enable the companies to offer integrated microfiltration (MF), ultrafiltration (UF) and RO solutions for water treatment applications worldwide.

1,100 US counties face water supply crisis by 2050, says report

A new analysis for the Natural Resources Defense Council (NRDC), examining the effects of global warming on water supply and demand in the contiguous United States, has found that more than 1,100 counties will face higher risks of water shortages by mid-century as the result of global warming.

GE signs up for Indian industry wastewater reuse partnership

GE and Ramky Enviro Engineers, the Indian environment and waste management organization, have signed emergency water and industrial wastewater treatment agreements specifically designed to address India's industrial wastewater treatment and recycling needs.

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.

IDA releases more detail of Portofino conference

Abstracts of four "notable" papers for the the International Desalination Association's (IDA) Desalination Industry Action For Good conference in Portofino, Italy, in May were sent out by the association on 18 February 2011.

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.

IDA issues call for papers for Portofino conference

The International Desalination Association is seeking presentations from industry and related NGOs on how the organization and the desalination community, as a whole, can be more responsive to human needs for clean and affordable potable water.

IDA to support UAE water summit as knowledge partner

The International Desalination Association has announced that it will again be supporting the International Water Summit (IWS) 2014 in Abu Dhabi, UAE, as a knowledge partner.

Abu Dhabi rejects more desalination despite growing water stress

Environment Policy and Planning at Environment Agency - Abu Dhabi (EAD) has rejected upping desalination as a means to counter growing water scarcity in the emirate, opting instead for conservation and reuse.

Food for thought for delegates at EDS conference

The continuously queuing water tankers in the road servicing the King Hussein Bin Talal Convention Centre and its four adjacent hotels leave visitors in no doubt that Jordan is one of the most water-scarce countries in the world.

Nine water purification projects bag US$ 1.49 million in funding

The US Bureau of Reclamation has selected nine projects to receive US$ 1.49 million under its Desalination and Water Purification Research programme.

Renewables advocate takes chair in desalination at Murdoch University

Murdoch University's School of Engineering and IT has appointed Professor Wendell Ela as the inaugural chair of desalination and water treatment. He is an advocate of the use of renewable energy for desalination and has developed small solar desalination systems for remote Navajo communities in USA.

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.

AWWA launches Desalination Community web page

The American Water Works Association (AWWA) announced on 27 February 2012 that it had launched a Desalination Community, a page on its website for networking and exchanging ideas.

AMTA receives US$ 150,000 from ADC dissolution

The American Membrane Technology Association (AMTA) revealed on 28 February 2012 how it was going to use the US$ 151,000 donated to it by the Affordable Desalination Consortium (ADC) on its dissolution.

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.

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.

Desalitech building demo plant with Layne Christensen

The originator of the Closed Circuit Desalination (CCD™) technology, Desalitech Ltd, announced on 30 June 2011 that it will work with mineral and water drilling and treatment company Layne Christensen to design and build an innovative desalination system.

The Yuma desalination plant

Yuma desalination plant pilot run concluded successfully

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

Pentair X-Flow wins Jubail ultrafiltration order

Pentair X-Flow announced on 4 April 2012 an order from Al Fatah Water & Power to supply its Seaguard ultrafiltration (UF) membranes and skids to the Jubail Phase 2 seawater reverse osmosis (SWRO) desalination project in Al Jubail, Saudi Arabia.

Pentair X-Flow UF pretreatment for Ashdod desalination

The giant Ashdod seawater reverse-osmosis desalination (SWRO) plant under construction in Israel is to have ultrafiltration (UF) pretreatment supplied by Pentair X-Flow.

X-Flow UF pretreatment chosen for Al Zawrah SWRO

Cadagua SA has chosen ultrafiltration (UF) pretreatment from Pentair X-Flow for the Al Zawrah seawater reverse osmosis (SWRO) desalination plant in Ajman, United Arab Emirates.

Dr Krishnamurthy Rao

IDA announces death of InDA founder

The International Desalination Association (IDA) has reported the death of India's "water man" and founder of the Indian Desalination Association (InDA) Dr CH Krishnamurthy Rao.

GE-Osmoflo alliance creates powerful Australian presence

A strategic alliance giving Australian desalination and water recycling company Osmoflo access to products produced by water and process giant GE was unveiled at the International Desalination Association World Congress in Perth, Australia, on 6 September 2011.

The intake at the Adelaide desalination plant during construction.

Intakes opened for Adelaide desalination project

Commissioning is now closer for the Aus$ 1.824 billion (US$ 1.905 billion) Adelaide Desalination Project, after the 1.4 km intake began taking in seawater last week.

Aquatech awarded SWRO plant in Ras Al Kaimah

Aquatech is to build a 15 MIGD (68,000 m³/d) seawater reverse osmosis (SWRO) desalination facility at Ghalilah for the emirate of Ras Al Khaimah, UAE.

Cadagua to get 75,800 m³/d Moroccan desalination plant

Spain's Cadagua has been given a letter of intent for award of a 75,800 m³/d desalination plant in the Jorf Lasfar industrial complex in Morocco, 100km south of Casablanca.

Amiad disc filters in Chennai desalination pretreatment

Arkal disc filtration technology made by Amiad Filtration Systems has been selected as part of the pretreatment system for the seawater desalination plant currently being built for the Chennai Metropolitan Water Supply & Sewage Board on India's east coast.

Vizualization of Singapore's new desalination plant

Hyflux preferred for 318,500 m³/d Singapore desalination plant

PUB, Singapore's national water agency, has selected locally based Hyflux Ltd as the preferred bidder for the country's second and largest seawater desalination plant.

Chinese lead water-reuse positivity in GE survey

GE announced on 5 June 2013 the final part of the results from its three-country 3,000-sample consumer water-reuse survey.

UNEP report informs financiers about power-water relationship

The opportunities available to financial institutions to encourage the adoption of best practices, which may include the introduction of eco-friendly technologies, such as membrane technology to recycle wastewater, are stressed in a report just published by the UN Environment Programme's Finance Initiative (ENEP FI).

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.

EDS posts desalination courses for early 2011

The European Desalination Society has posted a half-year series of courses on its website for 2011 related to water desalination and membrane technology. All the courses will take place in Pegli, close to Genoa, Italy, at the Hotel Mediterranée.

Cadagua lands RO desalination plant in UAE

The UAE's Federal Electricity and Water Authority (FEWA), responsible for supplying water and electricity in the northern emirates, has given Spanish contractor Cadagua a letter of intent for the award of a reverse-osmosis desalination plant in Al Zawrah, Ajman.

UF for Turkish steelworks supplied by inge

German ultrafiltration (UF) specialist inge watertechnologies AG has been chosen to provide the filter modules for a large seawater treatment plant that supplies water to a steelworks in the Turkish city of Iskenderun on the Mediterranean.

Membrane market will be US$ 2.8 billion by 2020, says report

The total market for membrane-based water treatment will grow from US$ 1.5 billion in 2009 to US$ 2.8 billion in 2020, according to a new report from Lux Research.

The ultrafiltration system in Abu Dhabi supplied by inge watertechnologies AG will treat 80,000 m³/d.

UF modules ordered for UAE steelworks' RO pretreatment

Ultrafiltration modules from Germany's inge watertechnologies AG have been ordered for a 80,000 m³/d seawater reverse-osmosis desalination plant at the Emirates Steel Industries steelworks in Mussafah, UAE.

The RO hall at the Thames Gateway desalination plant east of London.

Four-stage RO for London desalination plant

The UK's 150,000 m³/d Thames Gateway brackish-water reverse-osmosis (RO) desalination plant, which was opened by Queen Elizabeth's husband, the Duke of Edinburgh, on 2 June 2010, has a four-stage RO process.

Community-level solar RO plant (250 L/h capacity)

India's BARC develops small solar RO and UF units

Domestic and community-level reverse-osmosis (RO) desalination units have been developed for producing safe drinking water by Saly T Panicker at the Desalination Division of India's Bhabha Atomic Research Centre.

Chennai II desalination to have Norit UF pretreatment

Norit X-Flow is to supply, install, commission and start up the ultrafiltration (UF) pretreatment package for the Nemmeli seawater reverse osmosis plant in Chennai, India. It will be the first advanced membrane desalination pretreatment system in the country.

Severn-Trent wins Chilean mining desalination contract

US water and wastewater treatment company Severn Trent Services has been awarded a contract to provide a seawater desalination plant that will serve the potable and process water needs of the Minera Esperanza copper and gold mine in Antofagasta, Chile.

The Ikusasa membrane plant

First indigenous UF plant to open in South Africa in May

The first large drinking water purification demonstration plant in South Africa based on locally manufactured membranes, an 800,000 L/d plant, is currently under construction for Overberg Water in the Western Cape and due to start up in May 2010.

GE reasserts policy proposals for water reuse

Engineering giant, GE, has again urged policymakers to consider four major policy options for water recycling and reuse first unveiled at Water Arabia 2015 in February this year.

Befesa closes Quindao desalination finance

Spanish contractor Befesa announced on 23 July 2009 that its subsidiary Befesa Water has closed financing for the design, construction and operation over 25 years of a 100,000 m³/d seawater desalination plant in Qingdao, China.

Hyflux may build two large desalination plants in Libya

Hyflux Ltd of Singapore and General Desalination Company (GDC) of Libya signed a memorandum of agreement (MOA) on 24 June 2009 giving Hyflux the rights to work with GDC to jointly invest into and develop two reverse-osmosis desalination plants in Libya.

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.

Frederick Liberatore

Liberatore to lead GE Water's process membrane business

GE Water has named mechanical engineer Frederick Liberatore global director process separations, which puts him in charge of GE's process membrane business.

CH2M Hill poised for Kalba desalination mobilization

Civil work on the 3.0 MIGD (13,368 m³/d) Kalba seawater reverse-osmosis (SWRO) desalination plant in the United Arab Emirates has almost been completed by the Sharjah Electricity & Water Authority (SEWA).

Workshop on membrane water technologies set for March

A workshop on alternative water resources, such as brackish-water desalination and wastewater reuse is being organised in Thessaloniki, Greece on 5 March 2009 by the Center for Research and Technology Hellas and the Berlin Centre of Competence for Water.

Algerian worldbeater has UF pretreatment

The President of Algeria, Abdelaziz Bouteflika, presided over the on-site ground-breaking ceremony for what will be the world's largest reverse-osmosis desalination plant with a capacity of 500,000 m³/d in Magtaa in Oran province, western Algeria, on 16 December 2008.

AMTA's awards recognise individuals for a variety of contributions to the field of membrane technology

AMTA unveils annual gongs for membrane experts

The American Membrane Technology Association (AMTA) has conferred its annual roster of awards for membrane specialists, include its Lifetime Service Award, Hall of Fame Awards, and Operator of the Year Award.

'It is extremely important to manage water better, through viable technologies.' Renato Ramos, Dow Water & Process Solutions

Q&A: Dow's Renato Ramos on how water tech can support Latin America

Renato Ramos, commercial director for Latin America at Dow Water & Process Solutions explains how intelligent use of water technology can support prosperity in Latin America

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.

Water scarcity is the biggest driver of water reuse, say respondents to our industry survey

Water reuse: a growing market of opportunity and challenge

Survey findings suggest a market with the technical expertise, innovative ideas, and will to service customers' water needs, while a lack of money, reluctance to take chances on new technology, and instances of poor governance present challenges.

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.

AMTA schedules workshops up to 2016 conference

The American Membrane Technology Association (AMTA) has published a list of workshops and conferences up to and including its 2016 Membrane Technology Conference, which will be held with the American Water Works Association (AWWA) in San Antonio, Texas, on 1‑5 February 2016.

The CoGenera SunPac concentrating photovoltaic thermal hybrid solar system will drive the plant.

Hybrid solar energy for Navajo Nation membrane distillation project

The University of Arizona and the US government's Bureau of Reclamation are developing a project combining advanced water treatment in the form of membrane distillation with hybrid solar energy to provide water supplies for the Native-American area, Navajo Nation, in the south-west USA. Installation is currently under way and the system will be tested for a year from March 2013. This article first appeared in the November/December 2012 issue of Desalination & Water Reuse magazine.

Hyflux wins Saudi deal for Yanbu

Desalination specialist, Hyflux, has won a US$ 48 million contract to build a containerised desalination system for Saudi Arabia.

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.

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.

Papers invited for 2013 AWWA/AMTA event

With the 2012 AWWA/AMTA Membrane Technology Conference under way this week in Phoenix, Arizona, a call for papers has been issued for next year's event in Texas.

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.

EDS announces membrane course in Rome in 2014

The European Desalination Society has announced a three-day intensive course on Membrane Technology, Process & System Design to take place in Italy next March.

The reverse-osmosis hall at Tuaspring

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.

Direct potable reuse to be debated at WRA symposium

The WateReuse Association has announced the program for its annual symposium, including a closing panel discussion entitled Direct Potable Reuse: Not a Pipe Dream Anymore?

Veolia to build Saudi Arabia's largest UF/RO plant

The largest ultrafiltration (UF) and reverse osmosis (RO) desalination plant in Saudi Arabia is to be built for Marafiq, the country's leading water and electricity services operator, by Veolia Water.

AMTA visiting Des Moines for tech transfer workshop

The American Membrane Technology Association is to hold a Technology Transfer Workshop in Des Moines, Iowa.

Second Chennai SWRO plant commissioned

The Nemmeli desalination plant in Tamil Nadu, India, was commissioned on 22 February 2013 by the state's chief minister, Selvi J Jayalalithaa. It is the second seawater reverse-osmosis (RO) plant to provide drinking water for the city of Chennai.

Abstracts invited for WateReuse Symposium in Arizona

Abstracts have been invited for the 26th Annual WateReuse Symposium, which will be held in Phoenix, Arizona, on 11-14 September 2011.

Disk-filters to protect Ashdod UF membranes

Filtration manufacturer Amiad has signed a contract, valued at US$ 1.67 million, to provide an Arkal Super Galaxy automatic disc filtration system (SpinKlin R) for the protection of ultrafiltration membranes at Israel's 100 million m³/year Ashdod Desalination Plant.

Large Diameter RO Desalination Elements

In recent years, increasing the diameter of spiral elements has been studied as a method of lowering the cost of membrane treatment. It has been shown that the installed cost of a reverse osmosis (RO) plant can be reduced by up to 27% using larger diameter elements.Large diameter elements provide savings in footprint and building costs, as well as savings in the number of connections, to reduce the installed cost of a brackish water RO or nanofiltration (NF) system. This article presents case studies where large diameter reverse osmosis (RO) elements were used, including the reasons why large diameter elements were selected for specific projects. Systems desalinating brackish groundwater for potable water supply in the United States include the City of Goodyear, Arizona; the City of Waupun, Wisconsin; and the Tate-Monroe Water Association of Ohio. In Australia, the Bundamba AWT Plant in Queensland treats municipal effluent for reuse. At Joe White Maltings, an integrated membrane system, combining a membrane bioreactor (MBR) and an RO system, allows wastewater from the plant to be recycled. This article appeared in D&WR magazine's February/March 2009 issue.

Toray expands California membrane manufacturing site

Desalination membrane manufacturer Toray Membrane USA Inc has bought a third building located adjacent to its existing two-building manufacturing facility in Poway, California, USA.


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