Water. desalination + reuse

PROJECTS | 26 | Desalination & Water Reuse | November-December 2014 PROJECTPROGRESS Saudi PlanS uS$ 80 billiOn SPluRgE On dESalinaTiOn CaPaCiTy Saudi Arabia's state-run Saudi Saline Water Conversion Corporation plans to invest SR 300 billion (US$ 80 billion) by 2025 to boost desalinated water production to 8,500 Ml/d according to the governor of the utility Abdulrahman Mohammed al-Ibrahim. The corporation produces 3,600 Ml/d of desalinated water but Al-Ibrahim said the planned investment would take that to 5,200 Ml/d in "less than two years". The utility plans to launch a pilot plant in Khafji that will produce desalinated water at 30 Ml/d using solar energy. Al- Ibrahim said desalinated water output of 240 Ml/d had been added this year at Ras Al Khair. A power plant at Ras Al Khair will eventually have a capacity of 2,400 MW and the project will be able to desalinate at 1,000 Ml/d. Demand for power and water in the kingdom has grown significantly in recent years as it consumes more to support affluent lifestyles and escape the searing summer heat. Saudi has said it needed to spend more than US$ 210 billion over the next ten years to meet soaring domestic demand for water and electricity. dawaSCO TO build waTER dESalinaTiOn PlanTS in daR Water authorities in the city of Dar es Salaam, Tanzania, are planning to work with an Israeli consortium in constructing two reverse osmosis desalination plants to alleviate water shortage in the Tanzanian commercial capital. Dar es Salaam Water and Sewerage Corporation (Dawasco) chief executive officer, Jackson Midala, said the plant will supply desalinated water at 100 million m³/d. He said the project was expected to start any time from now, but declined to disclose its total cost. The Dawasco chief said the initiative aimed to reduce over-dependence on water from the Ruvu River. The river is projected to meet over 90% of the demand for clean and safe water in the region. Midala said dwindling traditional water sources and growing settlement and industry along the Ruvu river banks had reduced its capacity to meet the daily water demand in Dar. Midala said: "We are now working on securing land permits and electricity for the project to kick start it." Following surveys, Mbezi-Ununio and Kigamboni, emerged as recommended sites for the desalination plants. The plants will be the first desalination plants to be built in the country, according to water minister, professor Jumanne Maghembe. He said a similar project is to be established for Handeni town residents in Tanga region to boost their water supply. Meanwhile, Midala said negotiations were underway for a Japanese desalination technology firm to establish a similar project elsewhere in the country. VEnEzuElan Oil fiRm SET TO fiRE uP REVERSE OSmOSiS PlanT Venezuelan state-owned oil firm, PDVSA, expects by the end of the year to start operating a US$ 200 million seawater reverse osmosis desalination plant to provide water for oil refineries on the Paraguaná peninsula and drinking water for local communities. The 70,000 m 3 /d plant will provide 55,000 m 3 /d to the vast Refinery Centre Paraguaná (CRP) for steam production. The rest will be supplied to the utility, Hidrofalcón, to meet the needs of the communities of the Paraguaná peninsula. The plant is expected to increase the operational reliability of the CRP – the world's second largest refinery complex accounting for 71% of Venezuela's refining capacity. Also the plant is expected to improve the security of drinking water supply in the region which is susceptible to drought and where the population and economy are growing. The desalination facility will be Venezuela's biggest as well as one of Latin America's largest. Spanish desalination plant design, construction, and operation company, Acciona Agua, is leading the CRP project. The CRP refinery complex is located in Falcón state (Amuay and Cardón refineries) and the western coast of Lake Maracaibo in the Zulia state (Bajo Grande Refinery). dEadlinE dElay fOR dubai POwER and dESalinaTiOn PlanT An extension to the deadline for bids for contracts for the expansion project at Dubai's AED 10 billion (US$ 2.7 billion) power and desalination plant, M-Station, was a response to calls for a delay from "major international companies". The cut-off date was moved one month to October 15. Dubai Electricity and Water Authority (DEWA) said that the decision to move the deadline had been requested by major international companies. "The expansion project includes new power generation units with a capacity of 600 MW to be added to the current capacity of the station by 2018. The expansion project also includes adding two gas turbines, a steam turbine, and a heat-recovery unit, which will increase the plant's thermal efficiency to 90%," said managing director and chief executive officer of DEWA, Saeed Mohammed Al Tayer. The M-Station is the newest and largest power production and desalination plant in the United Arab Emirates, with a power production capacity of 2,060 MW and producing potable water at 70 Ml/day. The M-Station project has been implemented in phases since mid-2010. Water desalination systems capital costs amounted to AED 3.95 billion (US$ 1.08 billion) using eight desalination units, each with a capacity of 26 Ml/d, and four boilers with a total capacity of 700 Ml. DEWA said its total production capacity stood at 9,656 MW of electricity and 2,350 Ml/d in desalination.

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