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:
May. 23, 2017
Filed:
May. 21, 2012
Applicants:
Zhenyi Liu, Beijing, CN;
Wenjun Mao, Beijing, CN;
Fengren Liu, Beijing, CN;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 53/48 (2006.01); H01F 1/01 (2006.01); B01J 23/745 (2006.01); C01G 49/02 (2006.01); B01D 53/02 (2006.01); B01D 53/52 (2006.01); B01J 37/03 (2006.01); B01J 37/08 (2006.01); B01J 35/00 (2006.01);
U.S. Cl.
CPC ...
H01F 1/01 (2013.01); B01D 53/02 (2013.01); B01D 53/52 (2013.01); B01J 23/745 (2013.01); B01J 35/002 (2013.01); B01J 37/031 (2013.01); B01J 37/08 (2013.01); C01G 49/02 (2013.01); B01D 2253/1124 (2013.01); B01D 2255/20738 (2013.01); B01D 2257/304 (2013.01); C01P 2002/72 (2013.01);
Abstract
A method of preparing magnetic iron oxide FeO, which includes the steps of preparing a solid green rust and calcining the solid green rust to obtain the magnetic iron oxide FeO. Also provided is the application of magnetic iron oxide FeOas an active material in desulfurization at a medium temperature. Also provided is a desulfurizer which uses magnetic iron oxide FeOand the application thereof. The present preparation method has simple steps and a short production period.