petrochaxin.cup.edu.cn介绍.doc

一、国内外相关技术专利文献检索情况 （主要包括：检索的文献时间、地域的范围；检索使用的数据库；委托检索的单位（附检索报告）；相关背景技术的应用情况） （一）国外相关技术专利文献检索情况 1、Ambient Temperature HYDROLYsis of CARBONYL SULFIDE Using γ-Alumina CATALYsts: Effect of Calcination Temperature and Alkali Dopingγ 【】【】 Thomas, Barry; Williams, B. Peter; Young, Nicola; Rhodes, Colin; Hutchings, Graham J.(Department of Chemistry, Cardiff UniversityCardiff CF10 3TB, UK)【】CATALYsis Letters, 86(4), 201-205 (English) 2003 Kluwer Academic/Plenum Publishers. CATALYsis Letters 86 4 201-205 English 2003 CALEER 1011-372X 【】 The hydrolysis of COS using .gamma.-alumina as catalyst at 20 .degree.C is described and discussed. In particular, the effect of calcination on the catalyst activity is investigated. Catalysts calcined at 100 and 500 .degree.C are found to give the highest catalyst activities, in terms of both specific (mol COS converted/g catalyst/h) and intrinsic (mol COS converted/m2 catalyst/h) activity. Calcination at other temps. leads to diminished catalyst activity. The effects are discussed in terms of the known surface chem. of .gamma.-alumina involving physisorbed water, surface dehydroxylation and defect formation. The addn. of alkali additives (Li+, Na+, K+, Cs+, Mg2+, Ca2+, Ba2+, Si2+) is also reported. Only K+ and Cs+ give a sustained enhancement in catalyst activity, whereas all the other additives act as catalyst poisons for the steady-state performance measured following 5 h time-onstream. Interestingly, addn. of Na+ and Mg2+ leads to a very high initial activity (95% COS conversion) but the effect is very short-lived and, after 5 h time-onstream, a much lower steady-state activity (~15-30% COS conversion) is obsd. 2、Low temperature HYDROLYsis of CARBONYL SULFIDE using .gamma.-alumina CATALYsts. 【】【】 West, John; Williams, B. Peter; Young, Nicola; Rhodes, Colin; Hutchings, Graham J.(Department of Chemistry, Cardiff UniversityCardiff CF10 3TB, UK)【】 Catal. Lett., 74(3-4), 111-114 (English) 2001 Kluwer Academic/Plenum Publishers. Catal. Lett.