Chemistry of inorganic compounds – Sulfur or compound thereof – Oxygen containing
Patent
1977-11-21
1979-04-17
Vertiz, O. R.
Chemistry of inorganic compounds
Sulfur or compound thereof
Oxygen containing
423523, 423525, 252321, C01B 1790, C01B 1782, B01D 1904
Patent
active
041501039
ABSTRACT:
The foam formation arising when aqueous waste sulfuric acid is concentrated can be suppressed by adding aromatic nitro compounds such as nitrobenzene to the acid.
REFERENCES:
patent: 2304280 (1942-12-01), Read
Bodenbenner Kurt
von Plessen Helmold
Hoechst Aktiengesellschaft
Straub Gary P.
Vertiz O. R.
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