Acid cleaner and process for disposal thereof

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

1976-04-16

1977-06-28

Pitlick, Harris A.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

252142, 134 3, 134 13, 134 40, 134 41, C23G 102, C23G 108, C23G 136

Patent

active

040324664

ABSTRACT:
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.

REFERENCES:
patent: 2408424 (1946-10-01), Healy et al.
patent: 2806000 (1957-09-01), Streicher
patent: 3100727 (1963-08-01), Labergere
patent: 3173875 (1965-03-01), Wegst et al.
patent: 3443991 (1969-05-01), Kremm
patent: 3575711 (1971-04-01), Krofchak
patent: 3738868 (1973-06-01), Lancy
patent: 3793221 (1974-02-01), Otrhalek et al.
patent: 3832234 (1974-08-01), Otrhalek et al.

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