China, Wastewater Treatment, Desalination, Recovery, Monitoring, Reverse Osmosis, Malta
China's Tri-Tech acquires Wisconsin desalination provider
Desalination and wastewater treatment provider J&Y International Inc, based in Wisconsin, USA, was acquired by subsidiaries of Tri-Tech Holding Inc of China on 9 June 2011.
LACSD signs up Desalitech for chloride‑removal test
Desalination system developer Desalitech is to support a pilot project with the Los Angeles County Sanitation Districts (LACSD) to upgrade two Santa Clarita Valley wastewater treatment plants in order to meet state‑mandated chloride limits, the company announced on 2 October 2013.
Ceramic nanofiltration company gets big investor
ItN Nanovation AG, a start-up company in Saarbrucken, Germany, making nanofiltration ceramic products for the water industry, announced on 9 December 2010 a framework investment agreement with the US investment fund YA Global Master SPV Ltd, part of the Yorkville Group.
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.
Oasys forward osmosis concentrates in China
Massachusetts-based Oasys Water has claimed its recent contract to supply a forward osmosis brine concentrator to a fossil-fuelled power plant in China to be a world first.
RO consumes 4% of Malta's electricity, says new group
Reverse-osmosis desalination plants consume almost 4% of Malta's electricity supply, according to a statement from the newly-formed Malta Water Association (MWA) on 22 March 2011. The group, made up of hydrologists, engineers and other water experts, warned that urgent action is needed to protect Malta's water resources, which "are among the scarcest in the world and under severe stress."
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.
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.
Befesa chooses ERI again for Qingdao seawater desalination
The 100,000 m³/d Qingdao seawater desalination plant in China is to become the seventh Befesa- built reverse-osmosis plant to use PX isobaric energy-recovery devices from Energy Recovery Inc (ERI).
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.
MBR/RO at heart of PepsiCo reuse plant in Chile
A membrane bioreactor (MBR), reverse osmosis (RO) and ultraviolet (UV) disinfection are all part of a wastewater treatment and reuse plant upgrade being completed by Siemens Industry Automation Division for PepsiCo in Chile.
Desalitech ties up with Toyo for international market
Innovative reverse-osmosis (RO) developer Desalitech and Japan's Toyo Engineering Corporation announced on 11 December 2013 the formation of a strategic partnership to introduce water and wastewater treatment solutions to Japanese, East Asian and international markets.
X-Flow commissions Chinese produced-water projects
Three water-reuse projects for oilfields in China that use Pentair X-Flow ultrafiltration (UF) membrane technology have been commissioned recently.
NanoH2O announces seawater membrane factory in China
Advanced desalination membrane-maker NanoH2O is to build a fully integrated manufacturing plant in Liyang, China, a city in the Yangtze River Delta, 250 km west of Shanghai.
memsys and Horizon combine to reduce ZLD costs
A pilot trial is due to start in May 2014 of a method to reduce the costs of zero liquid discharge (ZLD) technology at a coal to chemical (CTX) project in northern China.
Chinese industrial wastewater job won by United Envirotech
Singapore-based United Envirotech Ltd, a membrane-based water and wastewater treatment company, announced on 8 February 2011 that it had signed a transfer-operate-transfer agreement with the management committee of the Nanpu Economic Development Zone in China to provide a 80,000 m³/d wastewater treatment plant and a 40,000 m³/d wastewater recycling plant.
Siemens MBR contracted for Chinese industry park
An underground membrane bioreactor (MBR) system worth several million US dollars is to be provided by Siemens (Tianjin) Water Technology Engineering Co Ltd to Shenzhen Zhongying Precious Metal Co Ltd.
Sembcorp to build Chinese chemical wastewater plant
Sembcorp announced on 19 December 2013 that it would be developing a new industrial wastewater treatment plant in the Caofeidian Chemical Industrial Park in Hebei province, China.
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.
Chinese visitors for West Basin water-reuse plant
California's West Basin Municipal Water district announced on 26 April 2013 that earlier in the month it had received a visit from a group of public and private administrators from China interested to learn about water recycling facilities and the management experiences of US enterprises in wastewater treatment.
Chinese membrane wastewater firm gets big investment
Global investor KKR has entered into an agreement with United Envirotech Limited (UEL), a water treatment and recycling company in China, for a US$ 40 million common equity investment. KKR subscribed US$ 113.8 million convertible bonds issued by UEL in October 2011 to support the company's business expansion.
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.
Sembcorp reuse closes Chinese port-zone's water loop
Singapore company Sembcorp today opens its first industrial water reclamation plant in China on 13 December 2011.
United Envirotech buys Xinmin wastewater concession
Membrane treatment specialist United Envirotech Ltd (UEL) announced on 3 October 2011 that the group has exercised a call option to acquire the entire equity interest of Tongji Environmental (China) Pte Ltd, the holding company for Aton Environmental (Shenyang) Co Ltd, for RMB 34.03 million (US$ 5.34 million).
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.
Tunisia and Malta to share desalination expertise
Tunisia has signed an agreement with the Mediterranean island of Malta involving sharing of expertise on desalination plants.
MBR plant at heart of United Environtech contract in China
A 50,000 m³/d membrane-based wastewater treatment plant is to be built in Jiangsu Province, China, by United Envirotech of Singapore under a contract worth RMB 220 million (US$ 34.5 million).
Desalitech wins zero liquid deal in China
Desalitech has won a deal to supply a high-efficiency, ultrapure water treatment system for Novelis' aluminium production facility in Changzhou, China to help comply with a regulatory requirement for zero-liquid discharge (ZLD) in applicable process wastewaters.
Energy Recovery bags deal for giant Chinese desalination plant
Energy Recovery has won a US$ 2.3 million to supply its pressure exchange technology for a 100,000 m³/d desalination plant in China.
Olympics facilities manager appointed as Tri-Tech VP
Former Siemens engineer, Weidong Bi, who managed membrane-bioreactor and reverse-osmosis plants for the Olympic Games in China, is one of three senior executive appointments announced by Tri-Tech Holding Inc on 3 June 2010.
Ozwater '12 abstracts required before 1 September
The Australian Water Association (AWA) has issued a call for papers for Ozwater '12 to be held on 8-10 May 2012 in Sydney.
Modern Water set for first FO desalination plant in China
Modern Water is set to build a forward-osmosis (FO) desalination plant in Xugong Island, China, as a result of one of three deals signed by the UK company during a trade mission to China led by UK prime minister David Cameron.
Commission warns Australia about gas-production wastewater
Handling the wastewater resulting from coal-seam gas (CSG) production in Australia is likely to require a precautionary approach that will demand innovation from water managers and planners, and significantly greater coordination with existing project approval processes, the National Water Commission warned in December 2010.
IDA issues call for Tianjin World Congress papers
The International Desalination Association (IDA) has issued a call for papers for its World Congress 2013 - Desalination: A Promise for the Future which will take place in China.
Masdar steps up ties with China
Abu Dhabi's Masdar Institute of Science and Technology is stepping up its research collaborations, knowledge exchange and industrial partnerships, with China.
Maltese desalination test-bed shows SalTec energy-recovery advantages
Throughout the desalination industry, plant operators are looking for long-term solutions with lower lifecycle cost because of the link between water costs and energy costs. In order to meet operators' demands and requirements, equipment manufacturers are investing considerable resources in the development of new technologies that will reduce energy costs. The Water Services Corporation in Malta is one example of a forward-looking operator of a seawater reverse-osmosis (SWRO) plant seeking to ensure the production of high-quality drinking water at an affordable price. Established in 1993 to produce and distribute potable water on the islands of Malta and Gozo, WSC has an annual production target of 35 million m to satisfy the needs of its 400,000 residents and in excess of one million tourists. With the drive to produce greater efficiencies and water quality WSC has taken an opportunity to investigate and monitor the potential of a new technology from KSB, the SalTec pressure boosting and energy recovery system. The SalTec DT pressure exchanger in combination with KSB's HGM RO high-pressure pump creates a highly attractive proposition for RO plant designers and operators. The SalTec DT system provides a nominal capacity of 250 m /h, giving it the capability to operate in plants with train sizes ranging between 4,400 m /d and 5,000 m /d of permeate at common recovery rates.
Desalitech closed-circuit technology set for BWRO project
Israel-based Desalitech Ltd announced on 7 April 2011 that it had been awarded a contract to design and build a reverse osmosis (RO) desalination system for Environmental Protection Technologies (EPT), a global company that leads the industrial wastewater treatment market in Israel.
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.
Desalitech and Veolia tie up Mexican MoU
Desalitech Inc has signed a memorandum of understanding (MoU) with Veolia Water Solutions & Technologies to bring advanced cost‑effective high‑recovery water solutions to Mexico and additional countries worldwide.
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.
ERI to supply Hyflux project in Algeria
The Souk Tleta seawater reverse-osmosis desalination plant in Tlemcen in north-western Algeria, is to be supplied by Energy Recovery Inc (ERI) with 269 PX-220 energy recovery devices.
Jersey contracts ACWA to upgrade desalination plant
Utility, Jersey Water, has contracted international water and wastewater treatment firm, ACWA Services, to carry a out a £6 million (US$ 9 million) upgrade of the Channel Island's La Rosière desalination plant in a bid to cut operating costs and meet rising demand.
West Basin district dedicates desalination demo facility
California's West Basin Municipal Water District is nearing completion of its new desalination demonstration facility, following formal dedication of the plant on 12 November 2010.
Innovations in IDA Congress technical program
Round-table sessions and touch-screen availability of poster presentations will be used for the first time in the International Desalination Association's World Congress in Dubai on 7-12 November 2009, IDA announced on 19 October 2009.
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.
GE expands HERO licensing agreement
GE Power & Water announced on 1 February 2011 that it has completed a new expanded licensing agreement to allow it to continue offering High Efficiency Reverse Osmosis (HERO) systems to help more of its industrial customers increase their water usage efficiency and reuse capacity.
Bermuda-based group acquires 50% of Aqualyng China
Beijing Enterprises Water Group Limited (BEWGL) announced on 9 April 2010 that it had acquired a 50% equity interest in Aqualyng China Limited. Norway-based Aqualyng Holding AS, which has many years of experience in design, construction and installation of seawater desalination facilities, holds the other 50%.
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.
Gradiant China to target industrial ZLD and wastewater market
Gradiant Corporation has established Gradiant China to provide industrial wastewater solutions and zero liquid discharge (ZLD) technology to the Chinese market.
Abengoa takes stake in Beijing-based GreenTech
Spanish desalination and energy contractor Abengoa has acquired 25% of the Beijing-based water company GreenTech.
Agnihotri elected to board of ThermoEnergy Corp
Dr Dileep Agnihotri, the CEO and president of Advanced Hydro Inc, a company set up to commercialise a novel antifouling membrane coating technology at the University of Texas - Austin, has joined the board of ThermoEnergy Corp, a Massachusetts-based company engaged in development and sales of municipal and industrial wastewater-recovery and clean power-generation technologies.
Chinese steel manufacturer chooses KMS UF membranes
Koch Membrane Systems Inc (KMS) announced on 12 December 2011 that it had been selected to supply ultrafiltration (UF) membranes for a large-scale wastewater recycling system for Yingkou Medium Plate Co Ltd in Yingkou City, Liaoning Province, China.
B&V puts forward four water-reuse recommendations
Four key recommendations have been put forward by Dan McCarthy, president and CEO of Black & Veatch's global water business, for overcoming global barriers to reuse of water as part of an integrated water industry portfolio.
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).
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.
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
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.
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.
Veolia in mineral recovery partnership at inland desalination plant
Texas-based company, Enviro Water Minerals (EWM), is to deploy its novel mineral recovery technology in a partnership with water and waste giant, Veolia, to produce potable water from brackish water desalination effluent.
Modern Water opens new office in Shanghai
UK company Modern Water announced on 26 November 2013 the formation of Modern Water Technology (Shanghai) Co Ltd and the opening of its new office in Shanghai, China.
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.
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.
Sembcorp takes on ZLD water management plant in China
A total water management plant to support a coal-to-diesel project in Wangqiao Industrial Park, located in Changzhi city in China's Shanxi province, is to be provided by Sembcorp Industries of Singapore, the company announced on 18 October 2013.
Yokogawa to provide control system for Jubail SWRO plant
Yokogawa Middle East & Africa has received an order from Petroleum, Chemicals & Mining Company Limited (PCMC) to supply the control system for the SWRO-4 desalination plant, which is being built in Jubail, Saudi Arabia, by the Power & Water Utility Company for Jubail & Yanbu (Marafiq).
Desalitech RO wastewater use 'will pay back in 6 months'
Desalitech, developer of the closed-circuit desalination (CCD) system, is to supply a zero liquid discharge (ZLD) advanced wastewater treatment system for a pesticide plant in Gujarat, India.
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.
China opens laboratory to drive forward osmosis development
A pairing of leading players in China's water and petrochemicals industries have launched a venture to develop forward osmosis in seawater desalination that they claim will: "open up a new way for zero liquid discharge (ZLD) in seawater desalination of seawater resources with low energy consumption."
Norit to supply UF pretreatment for Qingdao desalination
Norit X-Flow has signed an agreement with Befesa to supply the UF pretreatment technology for the Qingdao Desalination Project in Shandong province, China.
Study starts on salinity reclamation of W Australian river
Mitigation measures such as desalination and diversion could be proposed for the Collie river basin in Western Australia as a result of an independent review of possible strategies for salinity recovery, which has just been started by consultants KPMG and Worley Parsons.
Dow to build RO membrane plant in Huzhou, China
A world-class manufacturing facility for Dow FilmTec reverse osmosis (RO) elements for desalination and water reuse is to be built in Huzhou, China, the Dow Chemical Co announced on 7 June 2012.
United Envirotech to acquire Singapore membrane-maker
Singapore's United Envirotech Ltd (UEL) is to acquire its own membrane manufacturing capability by spending S$ 293.4 million (US$ 231 million) on a 100% stake in Memstar Pte Ltd, a wholly owned subsidiary of Memstar Technology Ltd, also of Singapore, plus certain assets.
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.
Multi-technology GE upgrade for Russian refinery treatment
Membrane bioreactor (MBR), electrodialysis reversal (EDR) and reverse osmosis (RO) technology will all feature in a major upgrade for the wastewater treatment at one of Russia's biggest oil refineries.
Chinese delegation visits Oman's Al Ansab MBR plant
A Chinese delegation led by the deputy minister of water resources, Lee Joieeing, visited Oman's Al Ansab submerged membrane bioreactor wastewater treatment plant in Muscat on 24 October 2011 (featured in D&WR, November/December 2011).
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.
Modern Water gets £ 9.5 million from share issue
UK forward-osmosis (FO) and monitoring specialist Modern Water plc announced on 12 February 2013 that it had raised, subject to certain conditions, £ 10.0 million (approximately £ 9.5 million net of expenses) by way of a placing of 20,000,000 new ordinary shares with both new and existing institutional shareholders at a price of £0.50 per ordinary share.
More than nine in ten Chinese have water worries
Nearly all Chinese city dwellers are concerned about the country's issues with water supply and pollution according to a poll by water technology firm, Xylem in partnership with China Water Net.
Koch MBR system chosen by Chinese city
A membrane bioreactor (MBR) using membranes supplied by Koch Membrane Systems (KMS) has been chosen for a wastewater treatment plant operated by Zhangjiagang JinGang Sewage Treatment, a state-owned entity which looks after all municipal plants for the Chinese city of Zhangjiagang.
Mann+Hummel buys into membrane-maker Microdyn-Nadir
Industrial filtration group Mann+Hummel announced on 8 May 2014 that it had taken a 50% stake of the German‑based company Microdyn‑Nadir.
Chinese MBR reuse plant to be built by BTO contract
A membrane bioreactor wastewater reuse plant is to be built by Tri-Tech Holding Inc under a $2 million build-transfer-operate (BTO) contract for the Dongli Economic Development Area in Tianjin Municipality in northern China.
Singapore firm wins large MBR contract in China
United Envirotech Ltd of Singapore announced on 3 November 2009 an engineering, procurement and construction (EPC) contract worth RMB 264 million (US$ 38.7 million) to build a 100,000 m³/d membrane bioreactor (MBR) wastewater treatment plant in Guangzhou, China.
ADB backs US$ 240 million Chinese water-reuse loans
A US$ 240 million loan package was agreed in Beijing on 20 November 2013 to upgrade wastewater treatment plants in China to meet the grade 1A standard, which means the water can be reused for industry cooling and watering city gardens.
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).
Toray sets up Chinese manufacturing joint venture
An agreement was reached in late November 2008 between Toray Industries Inc and China Blue Star & BS group to establish a new joint company for water treatment in Beijing.
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.
Interview: Juan Miguel Pinto, ALADYR president
The new president of ALADYR, the Latin America desalination and water reuse association, sees his organisation as a window onto the region for international companies. His big aim is to step up events during 2018, taking knowledge of desalination and reuse out to the market.
Possibilities for energy optimisation in design and operation of SWRO plants
Seawater desalination with reverse osmosis (SWRO) has taken a noteworthy upturn during recent years. One of the reasons for the success of the membrane process is its lower energy consumption in comparison with thermal desalination processes. The high-pressure RO desalination stage is undoubtedly the dominating energy consumer of an SWRO plant. Energy consumption of SWRO, despite its energy-recovery aspects, is also influenced by a huge number of additional factors. These are both of an external nature (eg, environmental conditions and stipulations), but are also determined by design and configuration of the plant. On the basis of an SWRO plant model, which covers the different pre-treatment and RO configurations and also the design with energy consumption of potabilisation and additional wastewater treatment and sludge dewatering facilities, the specific energy consumption of an SWRO and its subsystems has been determined in this article. Considering the various aspects to be taken into account for optimization of energy consumption in seawater reverse osmosis plants and the fact that in most cases these measures are offset by increases in capital costs for equipment or possibly also in chemical consumption, optimisation of the energy consumption of SWRO plants during planning and operation is a quite extensive and complicated matter and a demanding engineering task. This article is an expanded and updated version of the article published in the August/September issue of D&WR magazine.
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.
Consolidated Water lines up Mexican mega-project
The Playas de Rosarito seawater RO desalination mega-plant project has been six years in the making. It began as a twinkle in Consolidated Water's eye even before Mexico had introduced its new public-private partnerships law, but the act's introduction in 2012 gave the project a clear structure for moving ahead.
"We're now at more than $100 million revenue." Doug Brown, AquaVenture chairman and CEO
AquaVenture chief executive Doug Brown has a track record of delivering shareholder value. When he joined water technology and engineering firm Ionics as chief executive in 2003, the struggling business was trading at $16 a share.
Biwater to supply UF and RO systems to California replenishment project
Biwater, UK, has won a contract to design, supply and supervise ultra-filtration and reverse osmosis systems for Southern California's Groundwater Reliability Improvement Program.
Keppel in US$ 46 million water-reuse JV in Tianjin
Keppel Integrated Engineering (KIE) signed a joint-venture agreement with Tianjin Eco-City Investment & Development Co (TECID) on 17 April 2011 to pursue the building, owning and operation of a water reclamation plant in the Eco-City.
The Long Read: Where's the innovation in brine treatment?
As water scarcity bites and the drive to recycle water grows, the focus on recovering clean water and other resources from brine is sharpening. The challenge is particularly pertinent for industrial operators.
Membrane 'summit' will precede AMTA conference
The 2nd Osmosis Membrane Summit will precede this year's annual conference of the American Membrane Technology Association (AMTA) in San Diego.
Xylem joins US trade mission to China
Water technology company, Xylem is participating in a US presidential trade mission to the People's Republic of China, taking place this week.
CaribDA, ERI and Dow back operator training
In co-operation with Energy Recovery Inc (ERI) and Dow Water & Process Solutions, the Caribbean Desalination Association is organising a two-day operator training program at the Westin Dawn Beach Resort in St Maarten on 17-18 September 2009.
LiqTech lands follow-up membrane order from China
LiqTech International Inc of Denmark has received an additional purchase order for its silicon carbide (SiC) membranes from RIPE (Huzhou), a Chinese membrane system integrator.
Some Gold Coast desalination issues still unresolved
A large number of non-compliance issues relating to the Gold Coast seawater desalination plant in Queensland, Australia, have been listed in a letter sent on 2 July 2009 by Keith Davies, CEO of WaterSecure, who are taking over the project, to the Queensland Department of Infrastructure & Planning.
ZLD wastewater pilot makes first water in Beijing
A pilot NanoClear zero-discharge wastewater treatment plant in Beijing has just produced its first water, according to developer Dais Analytic Corporation.
Experience helps boost production and stability at Ras Abu Jarjur
Improving production with reduced expenditure could be the main targets of any desalination facility around the world. Such feats are being methodically achieved at Ras Abu Jarjur reverse-osmosis (RO) plant in Bahrain as a result of a series of improvements. Of the many available desalination techniques, RO was seen from the earliest days as a reliable and cost-effective technology and was therefore employed at Ras Abu Jarjur. From the huge quantity of groundwater (40 million m /year) extracted from borewells, potable water totalling 29 million m /year is produced. The other 30% of water is being rejected to the Arabian Gulf, which has a similar salinity level and higher temperatures. Trials are being carried out to extend the brine staging by one more stage from two to three for the ninth and tenth trains and from three to four for the first to eighth trains, as the reject water from the trains is already filtered, acidified, dosed with antiscalant and most importantly possessing the required pressure energy (minimum of 38 bar) to be used. This strategy would increase the overall water recovery by another 4.5%. By closely following the guidelines of the scaling indices, solubility product limits of potential scale-forming constituents in the water and various performance-monitoring tools, it would be possible to recover another 2% of the water. The full article first appeared in the November/December 2008 issue of D&WR magazine. The paper on which it was based was awarded the prize for Best Oral Presentation at the International Desalination Association World Congress in Maspalomas in 2007.