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  2. Water filter - Wikipedia

    en.wikipedia.org/wiki/Water_filter

    A water filter removes impurities by lowering contamination of water using a fine physical barrier, a chemical process, or a biological process. Filters cleanse water to different extents, for purposes such as: providing agricultural irrigation, accessible drinking water, public and private aquariums, and the safe use of ponds and swimming pools .

  3. Portable water purification - Wikipedia

    en.wikipedia.org/wiki/Portable_water_purification

    The Portable Aqua Unit for Lifesaving (short PAUL) is a portable ultrafiltration-based membrane water filter for humanitarian aid. It allows the decentralized supply of clean water in emergency and disaster situations for about 400 persons per unit per day. The filter is designed to function with neither chemicals nor energy nor trained personnel.

  4. Activated alumina - Wikipedia

    en.wikipedia.org/wiki/Activated_alumina

    Activated alumina. Activated alumina is manufactured from aluminium hydroxide by dehydroxylating it in a way that produces a highly porous material; this material can have a surface area significantly over 200 m 2 /g. The compound is used as a desiccant (to keep things dry by adsorbing water from the air) and as a filter of fluoride, arsenic ...

  5. Metropolitan Waterworks and Sewerage System - Wikipedia

    en.wikipedia.org/wiki/Metropolitan_Waterworks...

    The Metropolitan Waterworks and Sewerage System [1] (Tagalog: Pangasiwaan ng Tubig at Alkantarilya sa Kalakhang Maynila), [5] formerly known as the National Waterworks and Sewerage System Authority (NAWASA), is the government agency that is in charge of water privatization in Metro Manila and nearby provinces of Cavite and Rizal in the Philippines.

  6. Balara Filters Park - Wikipedia

    en.wikipedia.org/wiki/Balara_Filters_Park

    The Balara Filters Park is a 60-hectare (150-acre) park located in the Diliman village of Pansol in Quezon City, Metro Manila, Philippines, adjacent to the University of the Philippines Diliman main campus. It is bounded by Katipunan Avenue on the west, Capitol Hills Golf and Country Club on the north, and the upscale, gated village of La Vista ...

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  8. Water privatization in Metro Manila - Wikipedia

    en.wikipedia.org/wiki/Water_privatization_in...

    Water privatization in Metro Manila began when the then President of the Philippines, Fidel Ramos, instructed the government in 1994 to solve what he called the water crisis in Manila by engaging with the private sector. In 1997, two concession contracts for the Eastern and Western halves of Metro Manila were awarded after an open competition.

  9. Manila Water - Wikipedia

    en.wikipedia.org/wiki/Manila_Water

    Incorporated on January 6, 1997, Manila Water became a publicly listed company on March 18, 2005. It is the east concessionaire of Metropolitan Waterworks and Sewerage System during its privatization on August 1, 1997, with its counterpart Maynilad Water Services, Inc. as the west concessionaire. The 25-year water concession agreement inked ...

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