Deoxidation catalyst for olefin gas, preparation method and application thereof
A technology of deoxidation catalysts and olefins, applied in chemical instruments and methods, metal/metal oxide/metal hydroxide catalysts, physical/chemical process catalysts, etc., can solve problems such as high operating temperature, high price, frequent regeneration, etc. Achieve the effects of low operating temperature, good stability and long service life
Active Publication Date: 2013-06-19
SOUTHWEST RES & DESIGN INST OF CHEM IND
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The invention provides a deoxidation catalyst for olefin gas, a preparation method and an application thereof. The deoxidation catalyst for the olefin gas comprises, by oxide, 0.01-5 % by weight percent of active components selected from one or more of Pd, Pt and/or Ag, 1-20 % by weight percent of an active additive selected from any one of Mn, Fe, Co, Cu and Zn compounds, and the balance being a carrier, wherein the carrier is a nano TiO2/Al2O3 composite carrier, and is prepared by a dry-mixing method, a sol-gel method or a co-precipitation method. The deoxidation catalyst is relatively high in mechanical strength, not easy to be pulverized, high in low-temperature activity, and long in service life, can be directly used for deoxidation and purification of industrial polyolefin, is free of reduction and activation, and can prevent olefin addition during a using process and can deoxidize oxygen not higher than 10000 ppm in the olefin to be less than 0.05 ppm.
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