Gas separation: processes – Magnetic separation
Patent
1998-06-12
2000-06-20
Smith, Duane S.
Gas separation: processes
Magnetic separation
95195, 95205, 96 1, 96 2, 96234, 210222, 210695, B01D 3506
Patent
active
060773324
ABSTRACT:
A process for reducing iron containing contaminants from a process stream of amine used for acid gas stripping by passing the process stream of amine adjacent a magnet sufficient to extract at least a portion of the iron containing contaminants from the process stream of amine, and an apparatus for removing iron containing contaminants from a process stream of amine used to strip acid gases from said amine in a cyclic flowpath having a main source of a process stream of amine, a conduit for containing the flow of a slipstream of the main source of the process stream of amine, a magnet adjacent the conduit sufficient to extract at least a portion of the iron containing contaminants from the process stream of amine, a filter for removing particulates from the slipstream upstream of the magnet, a filter for removing particulates from the slipstream downstream of the magnet, and a conduit for returning the slipstream to the main source of a process stream of amine with a reduced iron containing contaminant content.
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A. E. Keller, et al., "Heat-stable Salt Removal from Amines by the HSSX Process Using Iron Exchange" pres. @ Laurence Reid Gas Conditioning Conf. Mar. 2, 1992, pp. 61-92.
C. Richard Pauley, "Face the Facts About Amine Foaming", Chemical Engineering Progress, Jul., 1991, pp. 31-38.
Air Products and Chemicals Inc.
Smith Duane S.
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