Stable calcium hypochlorite composition and method for manufacture thereof
First Claim
1. A stable calcium hypochlorite composition having a calcium hypochlorite anhydride and/or a calcium hypochlorite dihydrate as main constituent thereof, said composition comprising at least 60 wt % of calcium hypochlorite, at least 5 wt % of calcium hydroxide, at least 4 wt % of water content and 5 wt % or less than that of calcium chloride.
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Abstract
A stable calcium hypochlorite composition and a method for the preparation thereof. The composition has a calcium hypochlorite anhydride and/or a calcium hypochlorite dihydrate used as main constituent and comprises at least 60 wt % of calcium hypochlorite; at least 5 wt % of calcium hydroxide; at least 4 wt % of water content; and 5 wt % or less of than that calcium chloride. The composition is stable and decomposes only in a less degree at a high temperature and during storage over a long period.
36 Citations
11 Claims
- 1. A stable calcium hypochlorite composition having a calcium hypochlorite anhydride and/or a calcium hypochlorite dihydrate as main constituent thereof, said composition comprising at least 60 wt % of calcium hypochlorite, at least 5 wt % of calcium hydroxide, at least 4 wt % of water content and 5 wt % or less than that of calcium chloride.
- 4. A method for manufacturing a stable calcium hypochlorite composition wherein calcium hydroxide is added to a raw calcium hypochlorite composition having a calcium hypochlorite anhydride and/or a calcium hypochlorite dihydrate as main constituent thereof to obtain a composition comprising at least 60 wt % of calcium hypochlorite, at least 5 wt % of calcium hydroxide, at least 4 wt % of water content and 5 wt % or less than of calcium chloride.
Specification