Method and composition for removing sulfides from...

Details Method and composition for removing sulfides from... Method and composition for removing sulfides from...

2006-10-03

2006-10-03

Toomer, Cephia D. (Department: 1714)

Compositions

Co, s, negative element, or acid, bindant containing

C423S220000, C252S182120

Reexamination Certificate

active

07115215

ABSTRACT:
A method and composition for reducing the levels of hydrogen sulphide and mercaptans in hydrocarbon streams. The method comprises contacting the gas stream with a composition comprising the reaction product of mixing monoethanolamine, diglycolamine and formaldehyde. The use of the method and composition alleviates problems associated with crystalline dithiazine depost build-up associated with the use of triazine based scavengers.

REFERENCES:
patent: 5488103 (1996-01-01), Gatlin
patent: 6267938 (2001-07-01), Warrender et al.

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