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Study on deactivation mechanism of Cu/SiO2 catalyst for hydrogenation of dimethyl oxalate to ethylene glycol
Author(s): 
Pages: 1-6
Year: Issue:  4
Journal: Natural Gas Chemical Industry

Keyword:  Cu/SiO2催化剂失活机理草酸二甲酯加氢乙二醇;
Abstract: 通过快速老化实验研究了草酸二甲酯加氢制乙二醇Cu/SiO2催化剂的失活.采用XRD、低温N2吸附、TEM及TG对失活前后催化剂进行了表征,发现催化剂失活原因为热烧结、积炭及活性组分铜的价态变化.还研究了各种失活原因之间的内在联系,并提出了较为合理的失活机理.
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