Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Maintaining environment nondestructive to metal
Patent
1985-04-09
1988-08-23
Richman, Barry S.
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Maintaining environment nondestructive to metal
134 3, 134 10, 422 7, 210490, C23F 1104
Patent
active
047659580
ABSTRACT:
Process for inhibiting the corrosion of a mass of metal (2) in contact with an acid bath (3) containing ferric ions, according to which at least a part of the bath (3) is circulated through a stack of felts (10) made of carbon or graphite, alternating with perforated plates made of iron or an iron alloy (9). The process applies to the pickling of metallurgical products made of steel in hydrochloric acid baths.
REFERENCES:
Chemical Abstract 83(14): 119514z, 10-6-1975.
Chemical Abstract 86(49): 191999r, 1977.
Condensed Chemical Dictionary, 10th Edition, 1981, pp. 194-195.
"Synergistic Inhibition of Ferric Ion Corrosion During Chemical Cleaning of Metal Surfaces", Streicher, Michael; Corrosion-NACE, vol. 28, No. 4, Apr. 1972, 143-148.
Balthasart Dominique
Lefevre Pierre
Tygat Daniel
Johnson William R.
Richman Barry S.
Solvay & Cie S.A.
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