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  2. Portable water purification - Wikipedia

    en.wikipedia.org/wiki/Portable_water_purification

    Instead of using the static pressure of a water supply line to force the water through the filter, pressure is provided by a hand-operated pump. These devices can generate drinkable water from seawater. The Portable Aqua Unit for Lifesaving (short PAUL) is a portable ultrafiltration-based membrane water filter for humanitarian aid. It allows ...

  3. Water supply and sanitation in the Philippines - Wikipedia

    en.wikipedia.org/wiki/Water_supply_and...

    The Philippines' main sources of water are rivers, lakes, river basins, and groundwater reservoirs. The longest and largest river, Cagayan River, discharges approximately 53,943 million cubic meters of water annually. Its groundwater reserves are 47,895 million cubic meters replenished by rainfall and seepage from rivers and lakes.

  4. Manila Water - Wikipedia

    en.wikipedia.org/wiki/Manila_Water

    Manila Water Company, Inc. has the exclusive right to provide water and used water (wastewater) services [1] to over six million people in the East Zone of Metro Manila. [2] It is a subsidiary of Enrique Razon 's Trident Water Holdings Company, Inc., who acquired stakes from the country's oldest conglomerate, Ayala Corporation, in 2024.

  5. 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 .

  6. Water injection (oil production) - Wikipedia

    en.wikipedia.org/wiki/Water_injection_(oil...

    From the degassing drum water passed to the injection filters. [3] Water was filtered in the water injection filters, one duty and one on standby/backwash. From the filters water was routed to the water injection pumps. The three water injection pumps each had a capacity of 221 m 3 /hr with a differential head of 2068.5 metres (209 bar). The ...

  7. List of causes of death by rate - Wikipedia

    en.wikipedia.org/wiki/List_of_causes_of_death_by...

    The following is a list of the causes of human deaths worldwide for different years arranged by their associated mortality rates. In 2002, there were about 57 million deaths . In 2005, according to the World Health Organization (WHO) using the International Classification of Diseases (ICD), about 58 million people died. [ 1 ]

  8. Reverse osmosis - Wikipedia

    en.wikipedia.org/wiki/Reverse_osmosis

    Reverse osmosis ( RO) is a water purification process that uses a semi-permeable membrane to separate water molecules from other substances. RO applies pressure to overcome osmotic pressure that favors even distributions. RO can remove dissolved or suspended chemical species as well as biological substances (principally bacteria ), and is used ...

  9. Water purification - Wikipedia

    en.wikipedia.org/wiki/Water_purification

    Water purification. Water purification is the process of removing undesirable chemicals, biological contaminants, suspended solids, and gases from water. The goal is to produce water that is fit for specific purposes. Most water is purified and disinfected for human consumption ( drinking water ), but water purification may also be carried out ...

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