Национальный Университет Водного Хозяйства И Природопользования
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A process for water softening wherein water is mixed in contact chamber with lime, then passed through suspended layer of sludge. A layer of suspended sludge is made gradually growing and after it the water is given directly to floating polystyrene foam back filling.
UAU201304200U2013-04-042013-04-04Method for water softening using lime
UA84049U
(en)