Membrane separation process for separating carbonate-containing diaminoalkane solution
AssigneeCj Cheiljedang Corporation
InventorsHo Bum Park, Tae Hoon Lee, Jaehun Lee, Young Lyeol Yang, Changyub Oh, Jung Min Lee, Jihyun Shin
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Abstract
A method of removing carbon dioxide from a carbonate-containing diaminoalkane solution, the method including passing the carbonate-containing diaminoalkane solution through a membrane module, and a method of preparing diaminoalkane including the same.
Claims13
A method of removing carbon dioxide from a carbonate-containing diaminoalkane solution, the method comprising passing the carbonate-containing diaminoalkane solution through a membrane module, wherein the membrane module is a hollow fiber membrane made of polysulfone (PSf), polyvinylidene fluoride (PVDF), or polypropylene (PP), thereby removing carbon dioxide from the carbonate-containing diaminoalkane solution.
Dependencies are inferred from the claim text.