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GE to supply evaporator/ZLD technology for Italian oilfield

GE's advanced evaporator and zero liquid discharge (ZLD) technology is to be used to recycle up to 98% of produced water at six Total E&P Italia SpA oilwells in the Tempa Rossa field in the Basilicata region of southern Italy.

IDA calls for abstracts for New Horizons for Desalination conference

Authors who wish to submit an extended abstract for IDA's upcoming conference on New Horizons for Desalination have until 20 January 2015 to do so. The conference is centred on social responsibility in water management and the need for innovation to generate new and more environmentally friendly options to support water needs.

Italy's De Nora bags Severn Trent's electrochlorination arm

UK-based electrochlorination firm Severn Trent and Italy's Industrie De Nora have agreed the sale of Severn Trent's Water Purification business to De Nora.

IDA Desalination Academy postpones next session

The next session of the IDA Desalination Academy, which was to be held by the International Desalination Association in Santa Margherita,Italy,at the end of March, has been postponed.

Portofino location for next IDA Academy session

The next session of the IDA Desalination Academy will be held in Santa Margherita, close to the resort of Portofino, Italy from 30 March to 2 April 2014.

EDS launches 2014 desalination courses with Rome event

The European Desalination Society (EDS) kicks off a list of six events in its series of Master Courses with a three-day course in Rome, Italy, on Membrane Technology, Process & System Design on 3‑5 March 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.

EDS holding membrane training week in L'Aquila

The European Desalination Society is holding a membrane training week in L'Aquila, Italy, on 30 September - 4 October 2013 presenting two back-to-back seminars by David Paul.

IDA publishes Academy programme for March 2013

Full details of the courses to be presented in the next session of the International Desalination Association (IDA) Academy in March 2013 have been published on the IDA website.

EDS lists desalination courses for 2013

The European Desalination Society (EDS) has released a complete list of its courses for 2013. EDS has been giving training certificates since 2003 to over 400 participants from all over the world.

Next IDA Academy session in Santa Margherita, Italy

The International Desalination Association (IDA) Academy is to hold its next session at Santa Margherita, Italy, in March 2013.

EDS publishes desalination courses line-up for 2013

Five courses for the first half of 2013 have been announced by the European Desalination Society (EDS). All except one will be staged in Genoa, Italy.

Italy opens its second largest municipal MBR plant

Italy's second largest membrane bioreactor (MBR) entered service on 17 July 2012 following the inauguration of the upgraded wastewater treatment plant in Borghetto Santo Spirito, a town on the Ligurian coast southwest of Genoa.

EDS and SPE host joint oil/gas desalination workshop

The European Desalination Society is joining the Society of Petroleum Engineers (SPE) to present a joint workshop on Desalination in the Oil and Gas Industry.

EDS desalination course dates for 2012 published

The European Desalination Society (EDS) has published dates for its series of courses for 2012, which will take place in February, April and June.

Nirosoft owner makes European acquisition

RWL Water LLC, which owns Israeli desalination and water treatment company Nirosoft, announced on 16 November 2011 that it had acquired a controlling interest in Eurotec WTT, a leading European manufacturer of wastewater treatment systems.

KMS signs distributor for Italy

Koch Membranes Systems (KMS) announced on 17 June 2011 that it had signed a distribution agreement for Italy with Univar Inc, a US global chemical distributor.

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.

IDA extends Portofino abstracts deadline

The International Desalination Association (IDA) has extended until the end of February 2011 its deadline for abstracts for its Desalination Industry Action For Good conference in Portofino, Italy, in May.

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.

Impregilo launches desalination joint venture with Chinese

Impregilo, Italy's largest construction company, which owns desalination specialist Fisia Italimpianti, signed a letter of intent on 7 October 2010 with Shanghai Electric Group, Mandarin Capital Partners (MCP) and China Development Bank Securities (CDBS) to cooperate in the desalination industry.

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).

Portofino, Italy

Rotary International joins IDA for Social Responsibility desalination event

A three day international conference in Italy in 2011 on Development of Desalination Technology for Social Responsibility features for the first time a unique cooperation between the International Desalination Association (IDA) and Rotary International.

Pretreatment course scheduled by EDS for May 2010

The European Desalination Society (EDS) on 15 January 2010 announced a four-day course on Pretreatment, membrane fouling and scaling to be held in Genoa, Italy, on 31 May - 3 June 2010.

EDS desalination courses relocate to Genoa

Following the disastrous earthquake which affected the headquarters of the European Desalination Society in L'Aquila, Italy, on 6 April 2009, the EDS has rescheduled and relocated upcoming courses to Genoa in July 2009.

Desalination course just misses quake

Earth tremors felt during the European Desalination Society's fouling and scaling course in L'Aquila, Italy, last week, were obviously precursors of the major earthquake that struck the town at 03:30 on 6 April causing over 190 deaths.

Italmach acquires Compass, adds manufacturing base in North America

Italmach Chemicals has acquired Compass Chemical International, adding a strategically important site in Texas that it hopes will support its growth in the oil and gas industry.

Veolia supplies RO desalination to Mauritania mine

A 1,500 m³/d reverse-osmosis (RO) brackish-water desalination plant has been supplied to a mine in Mauritania by Veolia Water Solutions & Technologies South Africa, with a heat-exchanger to cool the water.

IDA announces lecturers for next Academy session

The International Desalination Association (IDA) has announced the line-up for the next one-day course in its Desalination Academy, which will take place on 5 December 2012 in Jeddah, Saudi Arabia, alongside the Saudi Water & Power Forum.

Aeromix to build giant desalination plant for Pakistan port

A 97 MIGD (440,000 m³/d) seawater desalination plant is to be built in Port Qasim, Pakistan, by Aeromix Systems, a subsidiary of RWL Water Group.

Desalination short of pure-play investment opportunities

Investors seeking desalination openings are largely denied pure-play opportunities and have to consider exposure to other business areas according to a report by technologies business analyst Nanalyze.

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.

EDS course to cover ion-exchange membranes

The European Desalination Society has announced details of a course on ion-exchange membranes to be held in Genoa, Italy, on 4-6 June 2012.

Italmatch is continuing its global growth strategy through acquisition in Brazil

Italy's Italmatch snaps up Brazilian chemicals company

Italmatch Chemicals has acquired Sudamfos Do Brasil, a leading Brazilian distributor of phosphonate, phosphates, and other speciality chemical products, through new company Italmatch Do Basail Partipicoes.

Henry Charrabé is a protégé of investor Ronald Lauder, and is backed by him as CEO of newly created Fluence Corp

Interview: Henry Charrabe, Fluence Corp

Henry Charrabe, newly appointed chief executive of Fluence Corporation, the company formed in July by the merger of RWL Water and Emefcy, has worked for the business' major investor Ronald Lauder for 16 years.

Rochem and APTwater announce merger

A merger was announced on 9 November 2011 between APTwater Inc of California, USA, and Rochem AG of Switzerland.

Xylem to distribute GE membrane filtration products

Xylem Inc, the ITT water technology spin-off officially launched on 1 November 2011, has signed up to be GE's distribution partner into the public utilities market for its advanced membrane filtration products.

Enric Cardoner

STS appoints new European business manager

Severn Trent Services announced on 21 October 2011 that Enric Cardoner is to be the new general manager for its Water Purification group in Europe.

Dr Corrado Sommariva

Sommariva secures International Desalination Association presidency

Dr Corrado Sommariva, managing director of ILF Consultants Middle East, was elected president of the International Desalination Association on 5 September 2011, the first day of the IDA's World Congress in Perth, Australia.

IDA conference raises US$ 120,000 for Madagascar project

The International Desalination Association (IDA) reports that its Desalination Industry Action for Good conference has raised US$ 120,000 to help alleviate water shortages for residents of Ankililoaka, Madagascar.

Patricia Burke, IDA secretary general

Tianjin selected for 2013 IDA World Desalination Congress

Tianjin, China, is to be the venue for the 2013 World Congress on Desalination & Water Reuse to be held by the International Desalination Association (IDA).

Q&A Ziad Bouars: "When you come it's just sand"

Ziad Bouars, commissioning manager at Sidem-Veolia, explains why he has no intention of swapping a projects role out in the field for a desk job back at head office

The Innova 100 m³/d automatic RO system

Automatic Italian RO bought by Kenyan resort

A means of getting reverse-osmosis (RO) into sub-Saharan Africa has been provided by Italy's Innova Ltd, which recently delivered its first automatic seawater RO desalination plant with 100 m³/d capacity to a tourist resort in Kenya.

RWL Water wants to use its acquisition of Acquavit to expand in Brazil, and more broadly in South America

RWL Water completes acquisition of Brazil's Acquavit

RWL Water has completed the acquisition of Acquavit, a water and wastewater treatment company based in Sao Paulo, Brazil.

Mott MacDonald aims to enhance its services and market opportunities with Wideurope acquisition

Mott MacDonald buys up Wideurope Engineering

UK-based global consultancy Mott MacDonald has acquired Wideurope Engineering, whose portfolio features a number of power and desalination plants in the Middle East and south west Asia.

Italian project in Libya includes desalination plant

Italian energy company Eni announced on 19 December 2010 that it had signed a memorandum of understanding for development of a social project in El Agheil, Libya, including construction of a desalination plant.

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.

The IDA is seeking papers to be presented at Action4Good

IDA call for papers for Action4Good global conference

The International Desalination Association (IDA) has issued a call for papers for its Action4Good International Conference in May 2019.

Mega-ton project symposium set for Tokyo in November

A symposium is to be held in Japan in November 2013 centred on the Mega-Ton Water System, a national research program to develop sustainable water treatment technologies, including large-scale desalination, that have a low environmental load and are energy-saving and low in cost.

IDA finalises Huntington Beach desalination energy conference topics

The International Desalination Association (IDA) has finalised the speakers and topics for its new-style conference Desalination: An Energy Solution, which is being held on 2-3 November 2010 in Huntington Beach, California, the city likely to host the USA's next large desalination plant after Carlsbad.

Jebel Ali M Station officially opened in Dubai

The United Arab Emirates' largest power production and water desalination plant, the Jebel Ali M Station in Dubai was officially opened on 8 April 2013 by the deputy ruler of Dubai, Shaikh Hamdan bin Rashid Al Maktoum.

Global green group seeks to carve carbon emissions out of desalination

The Global Clean Water Desalination Alliance - H₂0 minus CO₂ initiative, launched at the current climate talks in Paris, has called on its 17-nation membership to use clean energy to power new desalination plants. The call was part of the alliance's aim to tackle the water-energy nexus and climate change.

Aquatech unveils Dutch subsidiary

Aquatech, US provider of desalination, water reuse and zero-liquid discharge (ZLD) sytems, announced on 15 April 2010 the establishment of Aquatech BV, a fully owned subsidiary in Leiden, the Netherlands.

The Global Water Awards winners are awarded through voting by industry professionals

Suez and Middle East plants top 2018 Global Water Awards

Suez has scooped the Desalination Company of the Year Award, and Middle East facilities topped the desal plant categories at this year's Global Water Awards from Global Water Intelligence (GWI).

EDS announces new desalination course

The European Desalination Society is to hold a course on Membrane Technology, Process and System Design in Genoa, Italy, on 3-5 March 2010.

EDS publishes details of membrane design course

The European Desalination Society (EDS) has published details of its first event in 2013, a three-day intensive course on Membrane Technology Process & System Design.

The acquired company Oltremare, of Italy, is well known as a supplier in Europe of customised and spiral wound membrane elements

Microdyn-Nadir buys out Italy's Oltremare

Microdyn-Nadir has acquired Oltremare, a supplier and distributor of customised spiral membranes based in Italy.

Aquatech gets new Ex-Im Bank support

Desalination and water-reuse system manufacturer Aquatech International of Canonsburg, USA, has been given a US$ 37 million renewal of its loan facility from the US Export-Import Bank.

Italians land € 100 million desalination plant in Iran

WTD, based in Pomezia, Italy, clinched a € 100 million deal in August to construct a desalination unit in Asalouyeh, near the South Pars gas field. The contract is for Iran's Damavand Petrochemical Company.

UF nuclear plant contract for inge in China

Germany's inge watertechnologies AG will equip the Hongyanhe nuclear power plant near Dalian in the east of China with its dizzer 5000plus ultrafiltration (UF) modules, each rated for an output of up to 5.0 m³/h each.

Italy's Osmo Sistemi bags brackish desalination deal

Fano, Italy-based Osmo Sistemi has won a turnkey supply deal for two brackish water reverse osmosis units for Libya's Arabian Gulf Oil Company oil field.

The desalination plant is proposed to be built 40 kilometres offshore of Chennai, Tamil Nadu

India's NIOT prepares detailed report on offshore desalination

The National Institute of Ocean Technology (NIOT) of India has finalised designs and submitted a detailed project report for an offshore desalination plant using low temperature thermal technology, reports New Indian Express.

Saudi and Chinese state-owned entities are collaborating on nuclear desalination

Saudi Arabia and China to develop nuclear desalination projects

Saudi Arabia and China have signed a memorandum of understanding (MoU) on developing desalination projects using gas-cooled nuclear reactors.

The adsorption pilot at a solar manufacturing facility near Riyadh focused on recovering reverse osmosis brine. Recovery rates are critical at the site, which is 100 miles inland

Adsorption pilot phase two will focus on ZLD

MEDAD Technologies, a specialist in adsorption, has worked to commercialise a multi-effect distillation adsorption desalination (MED-AD) system since spinning off from the National University of Singapore (NUS) in 2012.

The Victorian Desalination Plant is located at the southerly most tip of Australia on the Bass Coast

AquaSure's Victorian Desalination Plant secures its first water order

The Victorian Desalination Project (VDP) is a mega-size seawater RO facility, able to produce up to 150 billion litres of water a year when running at full capacity. Located at the southerly most tip of Australia on the Bass Coast, it was procured by the Victorian State government from AquaSure, a joint venture of Degrémont (now Suez), Macquarie Capital, and Thiess (now Ventia), in 2009, for a capital cost of $3.5 billion.

Inventor of water technologies Marc Vergnet adjusts the controls on Osmosun, his new solar-powered reverse osmosis desalination system that does not use batteries or energy storage, chemicals, or grid supplies of electricity

Masdar desal pilot: the results so far

Masdar Clean Energy set a target for its pilot projects of one cubic metre of water for every 3.6 kilowatt hours of energy used. This is a particularly challenging target in the Persian Gulf, where salinity is very high, the water temperature is high, it's very shallow, and there's high organic matter.

Professor Ghim Wei Ho (left), with Dr Connor Peh Kangnuo (centre), and researcher Gao Minmin, in their laboratory at the National University of Singapore

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.

Dubai wants to develop clean energy sources through to 2050

UAE is eyeing alternative energy sources to power desalination

Dubai Electricity and Water Authority is seeking proposals to study the feasibility of powering desalination by geothermal energy, reports The National.

Mississippi researchers win funding for low-temperature desalination

Mississippi State University (MSU), is to use US Environmental Protection Agency (EPA) funding to work on a low-cost desalination process.

Modern Water in tie up with Bilfinger Deutsche Babcock

Water and wastewater treatment technologies firm, Modern Water has signed an agreement with construction, operation and maintenance services company, Bilfinger Deutsche Babcock Middle East. The deal covers the joint development and commercialisation of Modern Water's proprietary forward osmosis technology, in multi-stage flash (MSF) desalination plants across the Middle East and Northern Africa.

Conwed hits half a century

Plastic netting manufacturing giant, Conwed, hits 50 this year. Minneapolis-based Conwed has, since its launch in 1966, developed netting solutions for industrial and consumer products worldwide including, in recent years, desalination membranes.

MIT spinout cracks fracking water waste

A Massachusetts Institute of Technology (MIT) spinout, Gradiant Corporation, is working toward making hydraulic fracturing (fracking) a water-neutral process, by making water reuse more economical. Fracking produces millions of litres of wastewater and much of it is discarded into deep injection wells, and clean water has to be purchased.

Is low temperature the next hot prospect?

Membrane-based desalination has been the lead technology set in recent years but Thermal Purification Technologies thermal process could tick boxes for sustainability and cost with a system that uses low-quality heat to produce high purity water. So with a big hitter in Metito as its strategic partner with even bigger backers including Mitsubishi Heavy Industries, could established technologies have a challenger in low-temperature distillation? This article first appeared in the February 2015 issue of Desalination & Water Reuse magazine.

French and Kuwaitis sign solar desalination agreement

French Foreign Minister Laurent Fabius and his Kuwaiti counterpart Sheikh Sabah Al- Khaled Al- Hamad Al-Sabah have signed a memo of understanding for implementing a project for water desalination using solar energy.

India to set up low-temperature distillation desalination at power plant

A new low-temperature thermal desalination (LTTD) plant is being set up at a lignite-fired power station in southern India.

Metito backs low-temperature distillation to challenge lead desalination technologies

Dubai-based water technology firm, Metito, is set to make a "significant investment" in clean-tech company Thermal Purification Technologies (TPTec), to develop TPTec's patented low-temperature distillation (LTD) technology. Metito claims LTD could displace existing membrane and thermal desalination technologies.

Scientists to probe outlet brine risks to sealife

Scientists have been commissioned to investigate whether brine waste from two proposed 150 Ml/d seawater reverse osmosis desalination plants could damage or alter the marine environment along the KwaZulu-Natal coastline in South Africa.

LTTD seawater plant 'to be started in Chennai by July'

A start on a Low Temperature Thermal Desalination (LTTD) plant about 30 km off the coast of Chennai is to be made by July, according to a report from India.

Topics and presenters announced for IDA Academy course

The next International Desalination Association (IDA) Academy course, to be held at the International Water Summit in Abu Dhabi on 21‑22 January 2014 will feature Integration of Hybrid Technologies with Renewable Energy to Improve the Sustainability of Water Desalination and Sustainable Operation with Advanced Membrane Filtration.

Solar/MED design aims to desalinate CSG water

A three-way partnership in Australia has entered a solar-powered desalination system for the coal‑seam gas (CSG) industry into the Australian Innovation Challenge being run by Shell and The Australian newspaper.

Indian ministry seeks to get LTTD program going again

Revised cost estimates for the six additional low temperature thermal desalination (LTTD) plants to be built at different locations in India's Lakshadweep Islands area are being prepared by the National Institute of Ocean Technology (NIOT).

The first full-scale LTD plant at El Gouna, Spain

Understanding potential of low temperature distillation for desalination

In October 2012, Watersolutions AG introduced the Watersolutions LTD system, a patented thermal process for desalination based on the principle of low temperature distillation. The company's vision is to offer a new option for desalination - one that is simple to install, yet robust and highly efficient with low running and maintenance costs. This article first appeared in the November/December 2012 issue of Desalination & Water Reuse magazine.

Timeline established for IDA desalination energy guide

The International Desalination Association (IDA) has established a timeline for producing its guidelines for reducing energy consumption in desalination ending at its 2015 World Congress.

Monterey consultant can't choose between projects

The Monterey Peninsula Regional Water Board (MPRWA) in California still has to decide between three competing seawater desalination projects for the area after its Technical Advisory Committee accepted on 17 September 2012 a report by consultants Separation Processes Inc of Carlsbad.

Matt Jones (left) of Desalitech, and American Water Chemicals’ Mo Malki present the new closed-circuit modelling within the Proton anti-scaling software, at the AMTA/AWWA Membrane Technology Conference 2018

Proton compares closed-circuit versus conventional RO

Proton anti-scaling software from Amercian Water Chemicals was first introduced at the AMTA Conference in 2014. The platform's innovative approach to modelling membrane treatment systems which, unlike other anti-scalant predictors, accounts for ion complexes and ion activity in water, and differentiates between nano-filtration and reverse osmosis membranes, enabled it to improve on the accuracy of predicting water quality and chemical dosing requirements.

Aquatech to supply Oman oilfield water softener

Aquatech announced on 4 April 2012 that it had been awarded a contract to construct a 237 m³/h produced-water softening plant for the Amal Steam Facilities Phase 1B in Oman.

EDS adds SDI Workshop to Barcelona events

The European Desalination Society has added a workshop on the Silt Density Index to the satellite events around its upcoming Barcelona conference, the society confirmed in an announcement on 12 March 2012.

Koreans devoting R&D cash to gas-hydrate desalination

Korea's Minister of Land, Transport & Maritime Affairs, Kwon Do-youp, unveiled "a new paradigm" in desalination development when he announced on 4 October 2011 that Korea was pursuing gas-hydrate desalination.

Ministry updates India's low-temperature desalination plans

India's Ministry of Earth Sciences (MES) released an update on 29 August 2011 about its program for development of Low Temperature Thermal Desalination (LTTD).

Desalination help published with WHO drinking water standards

The World Health Organization launched the 4th edition of its Guidelines for Drinking-Water Quality (ISBN: 978 92 4 154815 1) at the Singapore Water Week on 4 July 2011 - and also launched a separate guide for desalination.

Oil company invests US$ 2.5 million in Saltworks desalination

Canadian oil company Cenovus Energy Inc is investing Can$ 2.5 million (US$ 2.56 million) in Vancouver-based desalination startup company Saltworks Technologies Inc.

ACWA wins two membrane-based projects in Saudi

Two separate contracts for membrane-based water and wastewater projects in Saudi Arabia have been awarded to ACWA Emirates LLC of Dubai.

The memsys desalination plant at Singapore's Marina Barrage.

Vacuum-driven MD breakthrough promised by memsys

Vacuum-driven membrane distillation (MD) delivers high flux and true multi-effect distillation with very good energy recovery. The process runs at low temperature levels and is fully modular. This article describes the background of the development of the memsys company, membrane distillation, its specific advantages and potential applications, current and planned demonstration plants, and MD s future role in desalination. This article first appeared in the February/March 2011 issue of Desalination & Water Reuse magazine.

The Encina power station (bottom left) with the site for the Carlsbad desalination plant ringed.

Desalination affected by California powerplant ruling

The powerplant with which California's new 189,000 m³/d Carlsbad seawater reverse-osmosis (SWRO) plant is co-located has been ordered to cease once-through cooling by 2017. The Huntington beach powerplant, site of another proposed desalination plant, has been given until 2020.

Saltworks test rig with evaporation pond surrounded by windbreak.

Canadian low-energy desalination gets government boost

Saltworks Techologies Inc's low-energy desalination project is to receive up to Can$ 580,000 (US$ 577,000) from the Canadian government via Sustainable Development Technology Canada (SDTC).

Low-temperature distillation technology licensed to Sterling Water

The low-temperature distillation method of desalination developed by the New Mexico State University (NMSU) in the USA has been licensed to Sterling Water LLC of Qatar.

Queensland can use geothermal desalination says study

Queensland, Australia, has ample geothermal energy resources to power thermal desalination plants and provide clean water for small towns suffering from water shortages, according to The University of Queensland's Queensland Geothermal Energy Centre of Excellence.

EDR plant at Abrera

Large EDR river desalination plant opens in Spain

GE Water and Aigües Ter-Llobregat (ATLL) of Spain announced on 19 May 2009 the opening of the 220,000 m³/d electrodialysis reversal (EDR) brackish water desalination plant on the Llobregat river.

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.

The membrane distillation process

The coming of membrane distillation technology

Membrane distillation (MD) is a unit operation that uses hydrophobic membranes as a barrier for contaminated water from which mass transport of vapor is driven by differences in vapor pressure. MD does not require a mechanical pressure pump, and temperature levels are such that low-grade heat sources may be used to supply the required energy for the process. It is therefore ideal for treatment of industrial effluents and for desalination in co-generation with thermal solar power plants. This article assesses membrane distillation, a technology that the author believes is becoming increasingly relevant, particularly for use with renewable energies and in less developed countries. The recent promotion of the Desertec energy creation project in the Sahara is just one opportunity he sees for the technology.


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