Improvements in Fertilisers.

17,384. Defries, G. Dec. 11. Ammonium sulphite and sulphate.-A fertiliser is formed by enriching guano with ammonium sulphate, either by treating it first with sulphur dioxide and then with ammonia to form ammonium sulphite, or by moistening with a solution of ammonium sulphite prepared, for 'example, by passing one gas into a solution of the other. The sulphite becomes oxidized to sulphate.

申请(专利)号: GBD191517384
申请日期: 1915年12月11日
公开(公告)日: 1916年12月7日
公开(公告)号: GB191517384(A)
主分类号: C05C3/00,C,C05,C05C,C05C3
分类号: C05C3/00,C05F3/02,C,C05,C05C,C05F,C05C3,C05F3
申请(专利权)人: GERARD DEFRIES
发明(设计)人: GERARD DEFRIES