Compositions – Co – s – negative element – or acid – bindant containing
Patent
1988-07-25
1990-11-20
Stoll, Robert L.
Compositions
Co, s, negative element, or acid, bindant containing
25238954, 252392, C23F 1100
Patent
active
049717189
ABSTRACT:
A novel alkanolamine gas treating composition and method for purifying a gas stream containing acid gas impurities. The composition consists essentially of an alkanolamine solvent in an aqueous solution with antimony wherein said alkanolamine solvent includes at least about 1% by weight of methydiethanolamine (MDEA) and at least about 5% monoethanolamine (MEA) by weight of the total solution, and with said antimony present in a concentration of at least about 100 ppm. The combination of antimony and MDEA inhibits corrosion and retards solvent degradation.
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Barr Kenneth J.
Faucher Joseph A.
Kubek Daniel J.
McCullough John G.
Fee Valerie
McBride Thomas K.
Stoll Robert L.
Tolomei John G.
UOP
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