Non-sterically hindered-sterically hindered amine co-promoted ac

Details Non-sterically hindered-sterically hindered amine co-promoted ac Non-sterically hindered-sterically hindered amine co-promoted ac

1981-11-13

1983-09-20

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

423226, 423228, 423229, 423232, 423234, 252189, 252190, 252192, B01D 5334, C09K 300

Patent

active

044055773

ABSTRACT:
The present invention relates to an alkaline promoter system comprising specific mixtures of nonsterically hindered amino compounds and sterically hindered amino acids and their use in acid gas scrubbing processes. The preferred promoter system comprises a mixture of (i) diethanol amine or 1,6-hexanediamine and (ii) N-secondary butyl glycine or pipecolinic acid.

REFERENCES:
patent: 2718454 (1955-09-01), Wylie
patent: 3144301 (1964-08-01), Mayland
patent: 3563695 (1971-02-01), Benson
patent: 3563696 (1971-02-01), Benson
patent: 3637345 (1972-01-01), Leder
patent: 3642430 (1972-02-01), Benson
patent: 3793434 (1974-02-01), Leder
patent: 3848057 (1974-11-01), Leder et al.
patent: 3856921 (1974-12-01), Shrier et al.
patent: 4094957 (1978-06-01), Sartori et al.
patent: 4112050 (1978-09-01), Sartori et al.

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