Process for removing water from ammonia

Details Process for removing water from ammonia Process for removing water from ammonia

2005-05-17

2005-05-17

Gravini, Stephen (Department: 3749)

Drying and gas or vapor contact with solids

Process

With contacting of material treated with solid or liquid agent

C034S472000, C502S208000, C423S574100, C095S095000

Reexamination Certificate

active

06892473

ABSTRACT:
This invention relates to an improvement in a process for removing water from a hydride gas, and particularly ammonia, by contacting the hydride gas with a drying agent under conditions for effecting removal of the water. The improvement for significantly reducing the water content to trace levels in said hydride gas resides in the use of at least Group 1 metal oxide and at least one Group 2 metal oxide as a drying agent.

REFERENCES:
patent: 3275571 (1966-09-01), Mattox
patent: 4433981 (1984-02-01), Slaugh et al.
patent: 4761395 (1988-08-01), Tom et al.
patent: 4950419 (1990-08-01), Tom et al.
patent: 4983363 (1991-01-01), Tom et al.
patent: 5496778 (1996-03-01), Hoffman et al.
patent: 5531971 (1996-07-01), Tom et al.
patent: 5536302 (1996-07-01), Golden et al.
patent: 5679313 (1997-10-01), Nojima et al.
patent: 5716588 (1998-02-01), Vergani et al.
patent: 6110258 (2000-08-01), Fraenkel et al.
patent: 6241955 (2001-06-01), Alvarez, Jr.
patent: 6395070 (2002-05-01), Bhadha et al.
patent: 6461411 (2002-10-01), Watanabe et al.
patent: 6524544 (2003-02-01), Alvarez, Jr. et al.
patent: 6723402 (2004-04-01), Nair et al.
patent: 20030097929 (2003-05-01), Watanabe et al.
patent: 0 484 301 (1994-10-01), None
patent: 0 470 936 (1994-12-01), None
patent: 1 176 120 (2002-01-01), None
patent: 9-142833 (1997-06-01), None
patent: WO 9706104 (1997-02-01), None
patent: WO 0023174 (2000-04-01), None
patent: WO 0168241 (2001-09-01), None
patent: WO 03037485 (2003-05-01), None

Affiliated with

Also associated with

Rating

Process for removing water from ammonia does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for removing water from ammonia, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for removing water from ammonia will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3437409