| 摘要 |
The present invention relates to a water purification composition comprising; (i) a first polymeric material which comprises an amine group; and (ii) a second polymeric material which is substantially water-soluble and has a weight average molecular weight of at least 2000000; and optionally (iii) an inorganic metal salt selected from the group consisting of iron sulphate, iron chloride, aluminium chloride, aluminium sulphate, manganese sulphate, manganese chloride, copper sulphate, copper chloride, poly- variations thereof or a combination thereof. |
