Process for the removal of oxalate ion from gas treating solutio

Details Process for the removal of oxalate ion from gas treating solutio Process for the removal of oxalate ion from gas treating solutio

1983-10-25

1984-11-27

Thomas, Earl C.

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423226, C01B 1705, B01D 5334

Patent

active

044850832

ABSTRACT:
A process for the removal of oxalate ion from solutions containing polyvalent metal chelates of nitrilotriacetic and the decomposition products thereof is described, the process being characterized by the addition to such solutions of sufficient composition capable of providing hydrogen ion to precipitate ferrous oxalate, but not remove the bulk of the polyvalent metal chelate or chelates of nitrilotriacetic acid.

REFERENCES:
patent: 3068065 (1962-12-01), Hartley et al.
patent: 3226320 (1965-12-01), Meuly et al.
patent: 3933993 (1976-01-01), Salemme
patent: 4009251 (1977-02-01), Meuly
patent: 4091073 (1978-05-01), Winkler
patent: 4431616 (1981-02-01), Chou

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