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Improved hydrate desalination for water purification
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EVAPORATION PROCESS FOR THE PRODUCTION OF PURE DRINKING WATER AND CONCENTRATED BRINE FROM RAW SALINE WATER.
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Method for thickening sludge derived from water treatment by flocculation-decantation with ballasted floc
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DEVICE FOR DEVASEMENT WITHOUT POLLUTION OR NOTABLE WATER CONSUMPTION
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FILTRATION ELEMENT FOR WATER CARAFE
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process and apparatus for continuous desalination of water by reverse osmosis.
HK1063983A2
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2004-12-17
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2002-04-02
Device for the production of potable water by solar means from seawater or brackish water
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2007-10-05
EFFLUENT TREATMENT TANK FROM TECHNICAL AREAS
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Submerged type membrane separation system for advanced sewage and waste water treatment
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2009-04-03
METHOD FOR RENOVATION OF WATER COUNTER INSTALLATIONS.
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2004-08-27
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Water treatment equipment and procedures of water treatment using the same
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2003-06-06
WATER PURIFICATION TANK
ZA200406004B
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2005-06-08
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HRPK20010753B1
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2004-06-30
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2008-02-08
DEVICE FOR TREATING WASTE WATER FOR PURIFYING STATIONS, SUITABLE FOR TREATING VARIABLE VOLUMES OF WATER