Acid cleaner and process for disposal thereof

Details Acid cleaner and process for disposal thereof Acid cleaner and process for disposal thereof

C - Chemistry, Metallurgy

11

D

149/19, 134/22

C11D 10/02 (2006.01) C11D 3/02 (2006.01) C11D 3/20 (2006.01) C11D 7/08 (2006.01) C23G 1/02 (2006.01)

Patent

CA 1085704

ACID CLEANER AND PROCESS FOR DISPOSAL THEREOF Abstract of the Disclosure A thickened acid cleaner concentrate composition comprising an inorganic acid, e.g., hydrochloric, an organic acid, e.g., oxalic, a nonionic surfactant, an anionic surfactant, a flocculating agent such as iron or aluminum ion and water is useful in cleaning vehicles such as railroad equipment. The waste water is then treated by flocculation and separation to remove suspended solids and entrained BOD prior to discharge or re-use within the plant. The flocculating agent in the composition provides a proportional pretreatment of the waste to facilitate the final treatment and separation of waste in the used composition. -1-

276250

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