The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 08, 2008
Filed:
Jan. 31, 2006
Applicants:
Poul Erik Højlund Nielsen, Fredensborg, DK;
Leif Storgaard, Herlev, DK;
Inventors:
Poul Erik Højlund Nielsen, Fredensborg, DK;
Leif Storgaard, Herlev, DK;
Assignee:
Haldor Topsoe A/S, Lyngby, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 3/02 (2006.01); C01C 1/00 (2006.01); C01C 1/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Process for the removal of organic and/or inorganic sulfur from an ammonia stream by passing said stream through a fixed bed of sulfur absorbent in a sulfur absorber and withdrawing a sulfur-free ammonia stream, wherein said sulfur absorbent is a catalyst having a total nickel content in reduced form in the range 10 wt % to 70 wt % with the balance being a carrier material selected from the group of alumina, magnesium alumina spinel, silica, titania, magnesia, zirconia and mixtures thereof.