镁改性催化裂化催化剂的焦炭选择性研究
Petrochemical Technology & Application（2014）
Abstract
研究了改性方法及氧化镁含量对镁改性催化裂化催化剂活性、酸性和焦炭选择性的影响.结果表明,与镁分别改性基质和分子筛制得的2种催化剂相比,后浸渍改性制得催化剂的活性、酸量均适中,焦炭选择性较好,并且随镁含量的增加,催化剂的活性及酸量均先升高后降低,焦炭选择性先变好后变差,氧化镁质量分数约为1.5％时改性催化剂的性能达到最优.
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Key words
catalytic cracking catalyst,coke factor,magnesium
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