Fast, high capacity hydrogen sulfide scavengers

Details Fast, high capacity hydrogen sulfide scavengers Fast, high capacity hydrogen sulfide scavengers

2006-09-01

2008-10-21

Vanoy, Timothy C (Department: 1793)

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Carbon dioxide or hydrogen sulfide component

C423S242700, C048S127300, C048S127500, C208S014000, C208S20800M, C208S236000, C210S749000, C210S750000, C210S916000

Reexamination Certificate

active

07438877

ABSTRACT:
Selective, irreversible removal of hydrogen sulfide (H2S) and other sulfhydryl compounds from a gas stream, such as sour natural gas and sour hydrocarbon liquids is achieved with a scavenging agent having hydroxyalkyl functionality and alkylamine functionality. This scavenger possesses a higher capacity for H2S removal compared with a scavenger having only hydroxyalkyl functionality. The scavenging agent is made by reacting at least one alkanolamine and at least one alkyl amine with an aldehyde, such as formaldehyde.

REFERENCES:
patent: 2496596 (1950-02-01), Moyer et al.
patent: 2596273 (1952-05-01), Moyer et al.
patent: 2596425 (1952-05-01), Moyer et al.
patent: 2729679 (1956-01-01), Anderson
patent: 3791974 (1974-02-01), Borchert
patent: 4978512 (1990-12-01), Dillon
patent: 5128049 (1992-07-01), Gatlin
patent: 5314672 (1994-05-01), Vasil
patent: 5347004 (1994-09-01), Rivers et al.
patent: 5488103 (1996-01-01), Gatlin
patent: 5554349 (1996-09-01), Rivers et al.
patent: 5674377 (1997-10-01), Sullivan et al.
patent: 5698171 (1997-12-01), Trauffer et al.
patent: 5744024 (1998-04-01), Sullivan, III et al.
patent: 5958352 (1999-09-01), Callaway et al.
patent: 6582624 (2003-06-01), Titley et al.
patent: 6663841 (2003-12-01), Salma et al.
patent: 2005/0238556 (2005-10-01), Pakulski et al.
patent: 920301 (1963-03-01), None
patent: 2290542 (1996-01-01), None
Jan M. Bakke et al. “Hydrogen Sulfide Scavenging by 1,3,5-Triazinanes. Comparison of the Rates of Reaction.” Ind. Eng. Chem. Res., vol. 43, No. 9 (2004), pp. 1962-1965.
J. F. Walker, Formaldehyde, 1964, pp. 360-361, 610, 613, Reinhold, New York.

Affiliated with

Also associated with

Rating

Fast, high capacity hydrogen sulfide scavengers does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Fast, high capacity hydrogen sulfide scavengers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fast, high capacity hydrogen sulfide scavengers will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4015995