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:
Oct. 15, 2024
Filed:
Dec. 14, 2023
Tianjin Research Institute for Water Transport Engineering, M.o.t., Tianjin, CN;
Mingyu Guo, Tianjin, CN;
Yidan Huang, Tianjin, CN;
Boqun Liu, Tianjin, CN;
Shaoping Cui, Tianjin, CN;
Shipei Dong, Tianjin, CN;
Siqi Chen, Tianjin, CN;
Bin Liu, Tianjin, CN;
Yingjie Zhao, Tianjin, CN;
Fang Lin, Tianjin, CN;
Zhonghua Tian, Tianjin, CN;
Junjie Zhao, Tianjin, CN;
Wei Ye, Tianjin, CN;
Yanjie Wei, Tianjin, CN;
Zhipeng Zhang, Tianjin, CN;
Abstract
The present invention relates to the technical field of catalyst preparation, disclosing a preparation method and application of a coated vanadium-tungsten-titanium oxide monolithic SCR catalyst. The method includes the steps of mixing a vanadium oxide precursor, a tungsten oxide precursor, titanium dioxide, an inorganic adhesive, an organic adhesive and a macromolecular surfactant with deionized water and stirring them to obtain a thick liquid; adding a pH adjuster to the thick liquid to make its pH 1.5-4.5; impregnating a cordierite honeycomb carrier in the thick liquid to obtain a preliminarily-impregnated catalyst and dried and calcined the preliminarily-impregnated catalyst to obtain a finished catalyst. The method has advantages such as simple operation, easy repetition and short time-consuming, so it can be applied to exhaust gas post-treatment of a marine diesel engine, and provide a good choice for catalysts used to denitrify medium and high temperature exhausted gas from marine engines.