Category: Pretreatment/cleaning
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Biofouling block could up membrane life tenfold
A new technology that starves microorganisms of vital nutrients could prevent biofouling in brackish and seawater RO pretreatment systems and extend membrane life tenfold according to its manufacturer BiAqua.
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Why MFI is edging SDI as a fouling index
PARTICULATE FOULING has plagued reverse osmosis (RO) systems since their first use in desalination and remains a persistent issue today for RO and other pressure-driven systems such as microfiltration (MF), ultrafiltration (UF) and nanofiltration (NF). In the early 1960s, the Du Pont company/Permasep Product successfully launched the hollow-fine-fibre (HFF) permeator onto the desalination market, where…
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Interview: Abdullah Al-Alshaikh, president of the International Desalination Association
Abdullah Al-Alshaikh, deputy governor for planning and development of Saudi Arabia’s Saline Water Conversion Corporation, was elected as president by the board of the International Desalination Association (IDA) at the IDA World Congress in Tianjin in October 2013. He talked about his new role to D&WR editor Robin Wiseman at the Global Water Summit in…
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Biwater delivers Jacksonville desalination
Water and wastewater management company Biwater has delivered a custom 15 Ml/d reverse osmosis desalination system for Onslow Water and Sewer Authority near the USA city of Jacksonville, North Carolina.
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Japanese giants buy Metito stake
Japanese companies Mitsubishi Corporation (MC), and Mitsubishi Heavy Industries, (MHI), have acquired a joint 38.4% stake in United Arab Emirates-based water management company Metito for an undisclosed sum.
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Point Lisas nears end of sixth expansion
Desalcott’s Point Lisas seawater reverse osmosis plant in Trinidad, West Indies, is nearing completion on its sixth expansion since it was commissioned in 2002.
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Masdar picks four firms to test new desalination techniques
Abu Dhabi clean energy company, Masdar, has selected four international water technology firms to test techniques that could reduce the energy intensity of desalination and lead to a large renewably powered water purification station.
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GE and Saudi Aramco launch $200k technology competition
General Electric and Saudi Aramco have launched a $200,000 challenge to improve the energy efficiency of seawater desalination.
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New system uses 80% less energy than reverse osmosis researchers claim
Scientists at the University of Technology, Sydney (UTS) have devised a forward osmosis system which they claim could reduce the energy used in desalination for irrigation by up to 80 per cent.
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Australian cutback leaves desalination centre seeking funds
The government funding round for which the National Centre of Excellence in Desalination Australia (NCEDA) was preparing a proposal has been suspended pending a review, which will take till March 2015.