Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Carbon dioxide or hydrogen sulfide component
Patent
1981-09-08
1984-04-03
Meros, Edward J.
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Carbon dioxide or hydrogen sulfide component
423226, 423229, 422 13, 252389R, 252390, 252392, B01D 5334
Patent
active
044407319
ABSTRACT:
Corrosion inhibiting compositions for use in aqueous absorbent gas-liquid contacting processes for recovering carbon dioxide (CO.sub.2) from industrial gas and oil combustion and partial combustion process flue gases, particularly employing copper carbonate, in combination with one or more of dihydroxyethylglycine, alkali metal permangenate, alkali metal thiocyanate, nickel or bismuth oxides with or without an alkali metal cartonate. The inhibitors are effective in reducing corrosion of metals in contact with the aqueous absorbent in the absorbent regeneration section of the plant as well as reduce the thermal degradation of the absorbent when high oxygen content combustion gases are treated to recover the CO.sub.2.
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Baker G. R.
Leeds Jackson
Meros Edward J.
The Dow Chemical Company
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