Water Treatment, Denitrification, Seawater, Algae, Algae


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Ras Al Khaimah seawater desalination has algae shield

Northernmost of the United Arab Emirates (UAE), Ras Al Khaimah, has opened a 68 Ml/d seawater reverse osmosis (SWRO) project in Ghallilah on the emirate's west coast that is equipped to "overcome the red tide phenomena" - the seasonal proliferation of algae that blights the emirates' coastline.

Singapore's PUB draws curtain on algae

Singapore's national water agency PUB has for the first time installed silt curtains at the waters off Tuaspring and Singspring desalination plants, to protect them from damaging fouling of their reverse osmosis membranes by mounting levels of algae in the water.

Saudi boost for LiqTech ceramic membranes

The Saudi Arabian Ministery of Water & Electricity has announced that ceramic flat-sheet membranes are the technology of choice for groundwater applications, according to Danish company LiqTech International.

Algae biomass membrane order for Denmark's LiqTech

Denmark's LiqTech International Inc has received a purchase order of around US$ 300,000 for a prototype filtration system to be used in an algae biomass project.

Xylem supplies wastewater denitrification systems in China

Water technology company, Xylem, has supplied denitrification systems to three wastewater treatment plants in eastern China as part of a national strategy to improve wastewater treatment by 90% over five years.

Electrochemical desalination MoU signed in Singapore

A memorandum of understanding (MoU) between Singapore's national water agency, PUB, and Evoqua Water Technologies to further develop electrochemical desalination technology was one of five MoUs signed during Singapore International Water Week, which ended on 5 June 2014.

HTI deal takes forward osmosis to China

The world's only commercial manufacturer of forward-osmosis (FO) membranes, modules and systems, Hydration Technologies Innovations LLC (HTI), reached an international distribution, services and cooperation agreement for FO technology with Chinese company Tri-Tech Holding Inc.

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.

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.

The algal bloom hit Barka desalination expansion plants 1 and 2 in the Gulf of Oman

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.

EPA funding for Arlington Desalter's biological denitrification

California's Western Municipal Water District (WMWD) confirmed on 10 February 2011 that it had secured a US$ 528,000 federal grant in January for design work on a treatment system that uses naturally occurring bacteria to remove toxic contaminants, including perchlorate and nitrate, from drinking water.

Ashwin Gulati (left) of Spiral Water receives the Innovation Award from BlueTech Research chief executive Paul O'Callaghan

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.

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.

The XTB Nanobubble Generator is a patented technology that can reduce energy consumption in water treatment

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.

The Sidem distillers were delivered in two major shipments direct to the project site, each one weighing 2,600 tonnes. Six of the distillers were shipped from UAE, and the other four came from China

How we delivered Az Zour North phase one

"With hindsight we were very lucky to get everything through on time and that our construction partner Hyundai Heavy Industries was on time. Fortunately we escaped a lot of those little wrinkles that need sorting out during construction, and can drag on and on, and so we kept to time," says Andy Biffen, chief executive of project delivery vehicle Az Zour Shamal.

Direct membrane filtration simplifies reuse process

Recent trials have proven that direct membrane filtration of high solids (algae) and disinfection provides a simpler treatment process with substantial cost reduction. In Pillbara, Australia, two plants are being constructed to treat wastewater for recycling aiming for a 4-log removal of bacteria and viruses by filtering alone. Ultraviolet treatment provides the final requirement to reach the required 6-log removal rate. This article gives an overview of the application, and details on the technology and design used. It first appeared in the August/September 2013 issue of Desalination & Water Reuse magazine.

Modern Water claims first FO commercial desalination contract

UK-based Modern Water has won what is believed to be the first ever forward-osmosis (FO) commercial contract for desalination, following its award of a UK£ 500,000 (US$ 810,000) contract for a 200 m³/d plant by Oman's Public Authority for Electricity & Water (PAEW).

Visalia wastewater upgrade will be largest MBR in California

The City of Visalia, USA, is upgrading its wastewater treatment plant with membrane bioreactor (MBR) technology and will be the largest MBR plant in California when it enters service in 2013.

Acuamed desalination plants to use renewable energy

All the desalination plants owned by Acuamed, the Spanish water supplier, as well as distribution networks and company offices, will be run on renewable energy, the company announced on 22 December 2009.

Arlington Desalter

Desalination plant's nitrate removal has hidden benefits

A water district in California has found a novel way to remove multiple contaminants from groundwater currently feeding a desalination plant without creating waste that requires costly treatment and disposal.

Sinochem setting up seawater desalination industrial base

Sinochem Corp held a ground-breaking ceremony for a seawater desalination industrial base in Hangzhou, China, on 22 March 2011, coinciding with World Water Day

STS wins Tianjin denitrification contract

Pennsylvania-based Severn Trent Services has received a contract to provide its Tetra® Denite® denitrification system for the Zhang Gui Zhuang Wastewater Treatment Plant (WWTP) in Tianjin, China.

Parkson breaks new ground with Saudi MBR plant

A 2,000 m³/d wastewater-reuse plant based on membrane bioreactor (MBR) technology has just been commissioned in Rabigh, Saudi Arabia, by Florida-based Parkson.

Abengoa takes stake in Beijing-based GreenTech

Spanish desalination and energy contractor Abengoa has acquired 25% of the Beijing-based water company GreenTech.

Mott MacDonald absorbs Australasian water specialist

The Mott MacDonald consultancy group has taken in AWT, a specialist water technology and consulting company based in New Zealand and Australia.

AMTA/AWWA 2015 membrane conference abstracts invited

The American Membrane Technology Association (AMTA) and the American Water Works Association have issued a call for papers for their fourth joint Membrane Technology Conference to be held in Florida in 2015.

Toray to set up desalination/reuse R&D lab in Singapore

The establishment of Toray Water Technology Laboratory (TWTL) in Singapore to conduct research and development of water treatment technologies was announced by Toray Industries Inc on 24 June 2009. The Nanyang Environment & Water Research Institute (NEWRI) at Nanyang Technological University (NTU) will be Toray's partner for its research activities in Singapore.

Seven Seas Water appoints John Curtis as CEO

Caribbean desalination and water treatment provider Seven Seas Water Corporation announced on 6 March 2014 that its board had unanimously agreed to promote John Curtis to chief executive officer.

Ark W Pang

Pang joins Seven Seas Water as senior vice president

Ark W Pang has joined Seven Seas Water Corporation as senior vice president, chief business development officer and a member of the executive committee.

Siemens to sell its water treatment/desalination business

German giant Siemens is to sell its water treatment business known as Siemens Water Technologies, which is active predominantly in the North American market.

New membrane and desalination leaders in CH2M Hill changes

A number of leadership changes to the top water team of US engineer CH2M Hill were announced on 5 April 2012, including new leaders for membrane and desalination technology.

Metito Overseas appoints senior process engineer

Desalination and water treatment specialist Metito Overseas Ltd, based in Sharjah, UAE, has appointed Sagi Essam El-Din A Ghafour as senior process engineer from September 2011.

Water Standard finds its shipbuilder in Samsung

Texas-based Water Standard and Korea's Samsung Heavy Industries announced an agreement on 28 June 2011 to collaborate on the design and development of vessels to deliver water treatment solutions to the offshore oil and gas sector.

IDA World Congress in California

A pivotal event in the global desalination and water reuse sector will be held at the US industry's epicentre amid an historic drought when the 2015 IDA World Congress on Desalination and Water Reuse convenes in San Diego, California at the end of August 2015. The "location, theme and timing could not be more appropriate," said IDA secretary general, Patricia A Burke.

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.

Chinese website and new director for Modern Water

UK forward-osmosis specialist Modern Water plc has recently appointed William Harvey as its director of strategy and new business development for its Membrane Processes division as well as its electrocoagulation products.

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).

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.

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).

The Aqualyng Recuperator energy-recovery device.

Aqualyng begins first phase of Chinese SWRO plant

Norwegian desalination company Aqualyng on 15 March 2010 began the construction phase of the 50,000 m³/d seawater reverse-osmosis plant to serve the water needs of the Caofeidian Industrial Zone 220km east of Beijing in China.

Clockwise from top left: Stan Williams, Jonathan Loveland and Chris Costello.

Poseidon signs two VPs and construction director

Three experienced US water industry personnel have joined Poseidon Resources, following the departure of Nikolay Voutchkov earlier this year, the company announced on 20 July 2009.

Modern Water ties in with Chinese partner

UK forward-osmosis desalination developer Modern Water plc has signed a framework agreement with Hangzhou Development Center of Water Treatment Technology Company Ltd (Hangzhou Water) in China.

New tech to drive 9.5% annual desalination growth - report

By 2020, the annual supply of water from desalination will have reached 54 billion m³, according to a report released on 17 March 2009 by Lux Research.

Aerial view of the Sydney construction site.

Sydney desalter construction reaches halfway point

Construction of Sydney's 250,000 m³/d Kurnell seawater desalination plant is just over 50% complete, D&WR has been told by Sydney Water. The intake and outlet tunnels were completed in December 2008.

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.

Pall grabs another naval water-generator contract

Membrane-based freshwater generators are to be supplied to the UK's Royal Navy by Pall Corporation after successful sea trials.

Victaulic acquires MTS desalination plug valve

Pipe-jointing specialist Victaulic has acquired the desalination business of Spain's MTS Valves & Technology, which designs and manufactures valves for the global desalination market, including the MTS Plug Valve.

Pall to design navy inshore desalination system

The US Navy's Office of Naval Research has contracted Pall Corporation for a multi-phase project to develop an advanced shipboard desalination system specifically for operations in coastal waters.

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.

IDE claims production record at Ashkelon

Water treatment firm, IDE Technologies, has claimed that its seawater reverse osmosis desalination plant at Ashkelon, Israel, has reached a world record with 1 billion m³ of potable water produced since the start of its operation in 2005.

CaribDA opens registration for Aruba conference

The Caribbean Desalination Association (CaribDA) has opened registration for its 2012 Conference & Exposition 80 Years Of Desalination Makes For One Happy Island.

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.

Amiad provides prefiltration for Australian membrane projects

Two very different contracts for prefiltration equipment prior to membrane water treatment and desalination have been won by Amiad in Australia.

SDCWA confirms Carlsbad agreement 'by spring'

San Diego County Water Authority (SDCWA) in California confirmed on 26 January 2012 that a water purchase agreement for the Carlsbad seawater desalination plant would be available for comment 'by this spring'.

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.

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.

Intensive short desalination course from UNESCO-IHE

An intensive short course on Membrane Technology in Drinking & Industrial Water Treatment has been announced by UNESCO-IHE).

Al Ghubrah desalination to use ERI energy-recovery devices

Energy Recover Inc is to supply its PX Q300 Pressure Exchanger® technology for the Al Ghubrah seawater desalination plant in Oman.

Experienced SWRO desalination engineer joins GHD

Australian consultant GHD has recently appointed professional engineer and marine biologist Erik Tynes, as a senior process engineer in the company's Perth office.

SEDA workshop to look at RO operational variances

The Southeast Desalting Association (SEDA) is to hold a Workshop on Brackish and sea water reverse osmosis operational variances in Gibsonton, Florida, at the Tampa Bay Desal II Water Treatment Plant.

Toray announces two Chinese SWRO membrane orders

Toray Industries Inc has received orders to supply reverse osmosis (RO) membranes to seawater desalination plants in Qingdao (Shandong) and Caofeidian (Tangshan, Hebei) in China.

CaribDA pretreatment workshop set for Antigua

A workshop on pretreatment for seawater reverse-osmosis (SWRO) desalination plants is being held by the Caribbean Desalination Association (CaribDA) on the island of Antigua on 7-8 April 2011.

Xylem gets contract for underdrain at plant retrofit

Water technology firm, Xylem, has won a contract to provide its filtration technology to a water treatment plant in La Verne, California.

Speakers announced for IDA conference in Banff

Speakers and sessions for the May conference on Water Recycling and Desalination for the Oil & Gas Industry have been announced by the organizers, the International Desalination Association (IDA).

IDA launches reverse-osmosis certification program

The International Desalination Association (IDA) is to launch a reverse‑osmosis training certificate associated with its recently launched IDA Desalination Academy.

Thomas Will becomes Aquarion Group COO and MD

Switzerland's Aquarion Group announced on 14 April 2014 that Thomas Will had joined the company as chief operating officer and managing director.

Desalitech launches US base and hires new staff

Desalitech Ltd, developer of the Closed Circuit Desalination (CCD) sytem, announced on 18 December 2013 that it will be establishing its US headquarters in Massachusetts. It has also hired four new staff in the US.

Denis Vial

Vial appointed business development manager by inge

Denis Vial has been appointed business development manager by German ultrafiltration (UF) membrane manufacturer inge GmbH, effective 1 March 2014.

Membrane technology added to Polish power plant

A third demineralization line using membrane and ion-exchange technology is to be added to the extension of the water treatment plant for the Patnów II power station in Poland.

Urban surge drives 57% growth in Indian municipal water treatment market by 2018

Urban population growth in India will create huge demand for municipal water and wastewater treatment systems including desalination adding 57% to revenues over five years according to a recent report by market analyst Frost an Sullivan (F&S).

H2O Innovation supplies US city with UF, NF and RO

The City of Delaware in Ohio, USA, has awarded a contract to Canada's H2O Innovation Inc for a drinking-water production system involving ultrafiltration (UF), nanofiltration (NF) and reverse osmosis (RO).

Seprotech to acquire Canadian consulting group

Canadian membrane water treatment and reuse provider Seprotech Systems Incorporated has reached agreement to acquire 100% of WESA Group Inc, a professional services company with eight North American offices and one in El Salvador.

New headquarters for Kurita Water Industries

Japanese water-treatment chemical supplier Kurita Water Industries has moved to a new headquarters in Tokyo.

Membrane troubleshooting workshop announced by SEDA

The Southeast Desalting Association has announced a workshop on Operating & Troubleshooting Membrane Systems to be held in Florida in October 2012.

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.

Boiler-feed treatment extension for Aquatech in India

Aquatech has been awarded a third contract extension to provide operating services for a boiler feed water treatment plant at Reliance Industries Limited's PTA (purified terephthalic acid) manufacturing unit in Hazira, Gujarat, India.

BP bags stake in Saltworks

Oil and gas giant, BP, has taken a stake in Canadian water treatment company, Saltworks Technologies, through its technology investment arm BP Ventures.

Singapore pair look towards membrane plants in Nigeria

Development of membrane-based water treatment plants in Nigeria has moved closer, following the signing of a joint venture agreement between Hyflux International Pte Ltd (HIPL) and Tolaram Corporation Pte Ltd, both from Singapore-based groups.

IWA schedules nanotechnology symposium for China

The International Water Association is to hold a regional symposium on Nanotechnology And Water Treatment in China in 2013.

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.

AWA to hold membrane fouling master class

Membrane fouling is to be the subject of a master class to be held by the Australian Water Association (AWA) in November 2012.

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.

UNESCO-IHE announces membrane course in October

The UNESCO-IHE Institute for Water Education in Delft, Netherlands, is holding a short course on Membrane technology in drinking and industrial water treatment in October 2012.

Desalination / reuse part of large EIB loan to Spain

Desalination plants, water-reuse schemes and connections from them to water networks will be among schemes funded by a € 350 million loan from the European Investment Bank (EIB) to the Spanish government agency Acuamed.

Ballard signs for Toray USA as SE sales manager

Desalination and water-treatment membrane supplier Toray Membrane USA has appointed Chris Ballard as southeast regional sales manager.

Christ desalination contracts still hitting Ovivo figures

Desalination contracts had a significant unfavourable effect on consolidated results for Canada's GLV Inc in the first quarter of fiscal 2012 and the last quarter of fiscal 2011.

ACWA appoints nanotechnology membrane specialist

UK water and wastewater specialist ACWA Services announced on 6 June 2012 that it has appointed a membrane nanotechnology specialist, Dr Oscar Hernandez-Ramirez as a chemical process engineer.

Mitsui acquires minority stake in Water Standard

Houston-based Water Standard Management (US) Inc, which focuses on water treatment for enhanced oil recovery (EOR), announced on 30 May 2012 that Japan's Mitsui & Co Ltd has acquired a minority interest in the company.

Israel Chemical sells water treatment arm to Kurita in US$ 317 million deal

Israel Chemical (ICL), has sold its water treatment business, APW, to Japanese water treatment giant Kurita Water Industries for €250 million (US$ 317 million). The sale was part of ICL's aim to divest non-core assets.

US$ 6.25 million equity investment for Desalitech

Reverse-osmosis (RO) innovator Desalitech Inc has secured an equity investment of U$$ 6.25 million led by Liberation Capital LLC, which will be used for business expansion and working capital.

IPO in summer for China's H2O Solutions

Shanghai-based H2O Solutions announced on 11 May 2012 that the company, which specializes in nano-membrane purification and multi-charged plate desalination technologies, was taking its stock public in the summer of 2012.

Fernandez to boost ACWA's PPP push in MENA

Leading Spanish economist Luis Fernandez has joined environmental solutions provider ACWA Emirates as chief officer concessions for the Middle East/North Africa (MENA) region to provide in-depth support for the company's drive into the public-private partnership (PPP) sector.

Buenos Aires membrane papers deadline 15 June

A deadline of 15 June 2012 has been set for papers for the International Water Association (IWA) 3rd Regional Conference on Membrane Technology.

AWC in full production at new Tampa factory

American Water Chemicals (AWC) has resumed full production of its membrane water treatment chemicals following its recent move into a new 41,000 ft² (3,800 m²) building.

Hurley appointed president/CEO of Parkson

Florida-based Parkson Corporation announced the appointment on 24 April 2012 of Shamus M Hurley as its new president and CEO. Hurley, who served for the last five years as CEO of Kinetico - a leading manufacturer of residential and commercial water treatment systems - replaces Zain Mahmood.

Microdyn-Nadir and Ovivo target US membrane bioreactor market

German filtration firm, Microdyn-Nadir, has struck a partnership with water treatment systems specialist, Ovivo USA, to service the US membrane bioreactor market with a combination of the German company's membrane technology and Ovivo's membrane bioreactor system (MBR) integration range.

Erich Dawson becomes VP sales for Americas and Europe

Promotions and appointments announced by BWA

Two appointments affecting the European and Americas regions were announced by BWA Water Additives of the US on 2 April 2012, as well as two new vice-president positions.

Saudi deal gives Toray fourth membrane‑making base

A new joint venture to sell desalination and water treatment membranes in the Middle East has been set up between Toray Industries of Japan and Abunayyan Holding, headquartered in Riyadh, Saudi Arabia.

Singapore setting for Desalitech pilot plant

A 200 m³/d pilot reverse-osmosis (RO) water treatment unit is to be set up in Singapore by Desalitech Ltd under a contract from a client who has yet to be named.


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