Hydrolysis catalysts with high acid tolerance
By using catalysts containing mixed metal oxides, alumina, silica and calcium, the problem of existing catalysts being susceptible to toxicity by sulfur and free fatty acids is solved, and an efficient and stable hydrogenolysis reaction is achieved.
CN120268410APending Publication Date: 2025-07-08BASF CORPORATON
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Patent Information
- Application Number
- CN202510467942.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2015-03-26
- Filing Date
- 2016-03-25
- Publication Date
- 2025-07-08
AI Technical Summary
Technical Problem
The existing catalysts of hydrolyzed fatty acid esters are susceptible to toxicity by sulfur and free fatty acids, resulting in the deactivation of the catalyst and affecting the efficiency and life of the hydrogenolysis.
Method used
A catalyst containing mixed metal oxides, alumina, silica and calcium is used to form highly dispersed copper active sites by calcining the molding material to improve the acid tolerance and stability of the catalyst.
Benefits of technology
It significantly improves the catalyst's tolerance to sulfur and free fatty acids, extends the service life of the catalyst, and maintains high hydrolysis activity.
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Abstract
A catalyst includes a mixed metal oxide, alumina, silica, and calcium, wherein the mixed metal oxide includes Cu and at least one of Mn, Zn, Ni, or Co. Such catalysts exhibit enhanced resistance to sulfur-containing compounds and free fatty acids.
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