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:
Aug. 29, 2017
Filed:
Oct. 11, 2012
Applicant:
Infracor Gmbh, Marl, DE;
Inventors:
Assignee:
Infracor GmbH, Marl, DE;
Primary Examiner:
Int. Cl.
CPC ...
A01N 59/00 (2006.01); C01B 11/02 (2006.01); C02F 1/76 (2006.01);
U.S. Cl.
CPC ...
A01N 59/00 (2013.01); C01B 11/024 (2013.01); C02F 1/76 (2013.01);
Abstract
The present invention relates to a method of preparing chlorine dioxide (ClO) from hydrochloric acid (HCl) and sodium chlorite (NaClO) in the presence of water (HO). The invention has for its object to further develop the method such that it is more economical to install and operate. The object is achieved when the hydrochloric acid is used in aqueous solution at a concentration of 27 to 33 wt %, the sodium chlorite is used in aqueous solution at a concentration of 22 to 27 wt % and the molar ratio of hydrochloric acid used to sodium chlorite used is between 2.14 and 4.2.