Patent ID: 7264786
Filing Date: 2007-09-04
Classification: B01D,C09K,C10G,C10L

Abstract:
1. A method for scavenging hydrogen sulfide and/or mercaptans from a liquid or gaseous stream which comprises bringing the stream into contact with a scavenging effective amount of at least one scavenger selected from the group consisting of: (i.) a 1,3,5-trisalkanylamino hexahydro-1,3,5-triazine derivative of the formula: wherein each A is independently selected from the formula —(CHR (ii.) a nitrogen heterocyclic compound of the formula: e wherein Y is —N or —O and R 8 is 2-aminoethyl or 2-hydroxyethyl; and (iii.) an amine oxide of the formula (RCONHCH