| 摘要 |
<p>The present invention discloses a type of purifying agent for water treatment. The agent includes the following compositions(weight ratio): Polyaluminum chloride 1-3, Aluminum chloride crystalline 8-11, Sodium percarbonate 8-11, Sodium sulfate 28-31, Citric acid 1-3, Sodium citrate 1-3, Ethylene diamine tetraacetic acid (EDTA)1-3, Sodium salt of EDTA 1-3, Sodium thiosulfate 4-6, Soda4-6,Sodium bicarbonate 8-11.The agent can also include others, like chinese medicine, western medicine and natural plants extractive matters.</p> |
