... metallurgy, fertilizer, etc.. In light woven industry, HEDP is used as detergent for metal and nonmetal. ... In dyeing industry, HEDP is used as peroxide stabilizer and dye- ... non-cyanide electroplating, HEDP is used as chelating agent. The dosage of 1-10mg/L is ... preferred as scale inhibitor, 10-50mg/L as corrosion inhibitor, and 1000-2000mg/L as detergent. Usually, HEDP ...