Stabilized chelating agents for removing hydrogen sulfide

Details Stabilized chelating agents for removing hydrogen sulfide Stabilized chelating agents for removing hydrogen sulfide

1986-02-24

1990-01-02

Doll, John

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

423220, C01B 1705

Patent

active

048912050

ABSTRACT:
Soluble chemical compounds having a high affinity for hydroxyl radicals are effective stabilizers for chelating agents used in the hydrogen sulfide removal process. The stabilizers include aromatic compounds, bromide ions, iodide ions, cyanides, nitrites, amino acids, sugars, ascorbates, alcohols, polyols, aliphatic aldehydes, compounds having unsaturated carbon-carbon bonds, dimethyl sulfoxide, organic disulfides, alkyl amines, and formates. The aromatic compounds have the additional benefit of combining with hydroxyl radicals to form chelating agents.

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