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BLEACHING POWDER ( Chlorinated lime)

  BLEACHING POWDER (Chlorinated lime) BRAND NAME:- BLEACHING POWDER, BLEACHING AGENT  BLEACHING powder is  an inorganic compound .Obtained by the action of chlorine on lime;  resulting in a mixture of calcium chloride and calcium hypochlorite. On exposure,it decomposes releasing 30-35% W/W chlorine . PREPARATION of BLEACHING POWDER :- The manufacture of bleaching powder is carried out in Bachmann’s plant as follows:- The entire system is prepared for the manufacturing of bleaching powder, containing a vertical cast-iron tower packed with a hopper at the top, two inlets near the base (one for chlorine and the other for hot air) and an exit for waste gases near the top. This tower is then fitted with shelves that are placed at varying heights with rotating rakes. The shelves are a total of eight in number. Slaked lime is introduced into the hopper. It eventually comes in contact with chlorine moving slowly in the upward direction. The bleaching powder is then collecte...