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:
Jun. 09, 2015
Filed:
Sep. 19, 2012
Evonik Degussa Gmbh, Essen, DE;
Evonik Degussa, GmbH, Essen, DE;
Abstract
A device, comprising a conduit for an aqueous stream, a mixing tube located inside the conduit, having a static mixer inside the mixing tube, an outlet open to the conduit and an inlet, a sulphuric acid supply tube connected to the inlet of the mixing tube and a hydrogen peroxide supply tube, arranged inside the sulphuric acid supply tube and having an outlet for hydrogen peroxide at the inlet of said mixing tube, and a method, where an aqueous stream is passed through the conduit of the device, 85 to 98% by weight sulphuric acid is introduced to the sulphuric acid supply tube of the device and 50 to 80% by weight aqueous hydrogen peroxide solution is introduced to the hydrogen peroxide supply tube of the device, provide a dilute aqueous solution of peroxomonosulphuric acid without a risk of exposing operating personnel to concentrated peroxomonosulphuric acid.