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:
Jul. 30, 2019
Filed:
Dec. 29, 2015
Applicant:
Korea Institute of Geoscience and Mineral Resources, Daejeon, KR;
Inventors:
Assignee:
KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES, Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 33/26 (2006.01);
U.S. Cl.
CPC ...
C01B 33/26 (2013.01);
Abstract
A method of removing hydrous silica from bentonite includes irradiating an ultrasonic wave after preparing slurry by putting the bentonite and a sodium compound into distilled water or deionized water, adding the distilled water or the deionized water to the slurry, into which the ultrasonic wave is irradiated, to dilute and centrifugate the slurry, and drying a supernatant obtained through the centrifugation.