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. 14, 2022
Filed:
Mar. 18, 2019
Bluestar Adisseo Nanjing Co., Ltd., Jiangsu, CN;
Julien Boutet, Nanjing Jiangsu, CN;
Lei Niu, Nanjing Jiangsu, CN;
Bluestar Adisseo Nanjing Co., Ltd., Jiangsu, CN;
Abstract
A method for treating acrolein reactor wastewater, comprising the steps of: S. mixing acrolein reactor wastewater and a carbonate aqueous solution to obtain a mixed solution, wherein the acrolein reactor wastewater has a pH value of less than 2 and contains 500 ppm to 3,000 ppm of acrolein, 50 ppm to 800 ppm of allyl alcohol, 40,000 ppm to 100,000 ppm of acrylic acid, 10,000 ppm to 30,000 ppm of formaldehyde, 3,000 ppm to 10,000 ppm of acetic acid and 3,000 ppm to 8,000 ppm of maleic acid; and the mixed solution has a pH value of 4 to 6, a COD concentration ranging from 7,500 ppm to 30,000 ppm, and a formaldehyde concentration ranging from 800 ppm to 4,000 ppm; S. conveying the mixed solution obtained in step Sto an anaerobic reactor () for biochemical treatment; and S. conveying the solution treated in step Sto an aerobic biochemical tank () for treatment; and reflowing at least one part of the solution treated in step Sand/or Sto step S. Also provided is a device for treating acrolein reactor wastewater.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile