Low phosphorus contg liquid,or solid,detergents - - to obviate excessive growth of aquatic organisms or eutrophication

摘要

Detergent comprises (a) 5-35, pref. 10-25% detergent; (b) 5-15, pref. 10-15% of water-sol. orthophosphate salts, and (c) 20-45, pref. 30-45% of 1 alkali salts. (a) is e.g. Na dodecylbenzene sulphonate; (b) is e.g. trisodium orthophosphate and a mixture of Na24PO4 and NaH2PO4; (c) includes alkali carbonates, neutral or alkaline silicates, borates and sesquicarbonates.