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US 9,957,284 B2Granted
Method of increasing mass transfer rate of acid gas scrubbing solvents
AssigneeUniversity of Kentucky Research Foundation
InventorsCameron A. Lippert, Kunlei Liu, Christine Marie Brandewie, Joseph Eugene Remias, Moushumi Sarma
Life of this patent
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Abstract
A method and catalysts for increasing the overall mass transfer rate of acid gas scrubbing solids is disclosed. Various catalyst compounds for that purpose are also disclosed.
Claims8
A compound having a chemical formula:
- where:
- (a) M is any group VII B through XII B element;
- (b) x=neutral sigma donor or monovalent anion;
- and
- (c)
- R1═H, any alkyl, RCOOH (R=alkyl ranging from 0-10 carbons);
- OligoPEG, phosphate, ROH (R=alkyl ranging from 0-5 carbons);
- OH;
- SO3;
- NO2;
- amine, amide, carbonyl, Cl, Br, I, F, BH3, [CH2Q]+[A]−;
- and
- [CH2Q]+[A]−=
- where A=monovalent anion:
- Cl, Br, I, F, PF6, BF4, acetate, trifluoroacetate, ClO4, NO3, and
- Q=monovalent cation:
- P(R)3, R=alkyl, cyclic alkyl, Aryl, O-alkyl, O-Aryl;
- N(R)3, R=alkyl, cyclic alkyl, N-heterocyclic ring, imidazole;
- and
- R2=CE;
- where C=any alkyl, cyclic alkyl, aryl, and E=OH or NH2.
18 more elements
A compound consisting of a chemical formula:
- where:
- (a) M is any group VII B through XII B element;
- (b) x=neutral sigma donor or monovalent anion;
- and
- (c)
- R1═H, any alkyl, RCOOH (R=alkyl ranging from 0-10 carbons);
- OligoPEG, phosphate, ROH (R=alkyl ranging from 0-5 carbons);
- OH;
- SO3;
- NO2;
- amine, amide, carbonyl, Cl, Br, I, F, BH3, [CH2Q]+[A]−;
- and
- [CH2Q]+[A]−=
- where A=monovalent anion:
- Cl, Br, I, F, PF6, BF4, acetate, trifluoroacetate, ClO4, NO3, and
- Q=monovalent cation:
- P(R)3, R=alkyl, cyclic alkyl, Aryl, O-alkyl, O-Aryl;
- N(R)3, R=alkyl, cyclic alkyl, N-heterocyclic ring, imidazole;
- and
- R2=CE;
- where C=any alkyl, cyclic alkyl, aryl, and E=OH or NH2.
18 more elements
A method of increasing overall mass transfer rate of acid gas scrubbing solvents, comprising:
- adding a catalyst compound to a fluid stream including an acid gas and an acid gas scrubbing solvent, said catalyst compound having a chemical formula:
- where:
- (a) M is any group VII B through XII B element;
- (b) x=neutral sigma donor or monovalent anion;
- and
- (c)
- R1═H, any alkyl, RCOOH (R=alkyl ranging from 0-10 carbons);
- OligoPEG, phosphate, ROH (R=alkyl ranging from 0-5 carbons);
- OH;
- SO3;
- NO2;
- amine, amide, carbonyl Cl, Br, I, F, BH3, [CH2Q]+[A]−;
- and
- [CH2Q]+[A]−=
- where A=monovalent anion:
- Cl, Br, I, F, PF6, BF4, acetate, trifluoroacetate, ClO4, NO3, and
- Q=monovalent cation:
- P(R)3, R=alkyl, cyclic alkyl, Aryl, O-alkyl, O-aryl
- N(R)3, R=alkyl, cyclic alkyl, N-heterocyclic ring, imidazole
- R2=CE;
- where C=any alkyl, cyclic alkyl, aryl, and E=OH or NH2.
18 more elements
Dependencies are inferred from the claim text.