Water. desalination + reuse

DWR FebMarch 2015

Water. Desalination + reuse

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| 22 | Desalination & Water Reuse | February-March 2015 Oman edict to spark desalination capacity expansion Capacity increases in most of Oman's desalination plants became likely following a decision by the Public Authority for Electricity and Water (PAEW ) that all desalination plants must have a production capacity of not less than 10,000 m³/d. The PAEW is implementing a number of giant water projects in the sultanate. Among them is a 35 km-long water transmission pipeline from Al Ghubrah water desalination plant to the Muscat water reservoir from where it will be distributed to six emergency water reservoirs at Qurum, Ruwi, Wadi al Kabir, and Wattayah. Water networks are planned also in the wilayats of Bidbid, Izki and Al Hamra'a in the Dakhiliyah governorate. Work is also underway to build water networks in a number of villages and cities to meet the constant population, construction and economic growth in the sultanate. Japan funds Cape Verde desalination project regions MIDDLE EAST - NorTh AfrICA ASIA & PACIfIC NorTh AMErICA Japan's International Cooperation Agency ( JICA) is to provide US$ 150 million towards the funding of a US$ 200 million desalination plant for the Cape Verde republic off the coast of West Africa. The plant will supply drinking water at 20,000 m³/d. It will be on Santiago Island in the Cape Verdi archipelago. The Cape Verdi government and other partners will raise the rest of the funding. The project will comprise two units, one in the city of Praia and the other in Calheta São Miguel. The drinking water produced will be distributed in Santiago to large water tanks to be built across the island. This project will be implemented between 2014 and 2020 by a consortium of Japanese and Cape Verdean companies, to be selected through an international tender. Bushnak warns of "costly" centralized desalination President of the Saudi Water and Power Forum (SWPF), Dr Adil Bushnak, has warned that Saudi Arabia must end its rising dependence on "costly" centralised desalination plants. He proposed a move to greater numbers of small water production plants sited close to consumption centres and asserted that it was "illogical to pump water hundreds of kilometers." He went on: "This requires costly and large amounts of energy consumed by mega desalination plants. Yet they are continually exposed to risks or crashes, which will end up with a shortage of water in the kingdom." Speaking ahead of the tenth SWPF held in January, Bushnak said building small plants in cities and close to residential areas as well as dealing with the private sector to buy local fresh water would reduce cost to the state for water production and transport. Governor signs off US$ 687 million drought relief bill California governor, Jerry Brown, has signed a US$ 687 million drought relief bill that calls on the State Water Resources Control Board and Department of Public Health to devise additional measures to bring on the use of recycled water. The bill was passed by a bipartisan group of legislators. It included bond funds for emergency construction where reservoirs were approaching depletion and called for the California Department of Public Health to adopt new groundwater replenishment regulations by 1 July. "Legislators across the aisle have now voted to help hard-pressed communities that face water scarcities," the governor said. The bill also made statutory changes to tighten up enforcement of existing water rights laws with increased penalties for illegally diverting water during drought conditions. Beijing to get megatonne seawater desalination plant Beijing neighbouring province, Hebei, has unveiled plans for a water desalination project scheduled for completion by 2019. The project, once operational, will have the potential to desalinate 1 million tonnes of seawater daily, according to Beijing Enterprises Water Group's seawater desalination department director, Wang Xiaoshui. This would provide one tenth of the metropolis' current annual water consumption. The project is divided into two parts: seawater desalination and processed water delivery to Beijing. The project will be located along the Bohai Sea at the Caofeidian District of Tangshan City. A chemical plant will process the project's by-products to produce salt and other chemicals, Wang said.

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