[1] CN87107892 a sulfur tolerant CO shift catalyst and preparation. 
[2] CN89100315.0 a sulfuration method of Co-Mo promoted CO shift catalyst. 
[3] CN89102614.2 a sulfuration agent and application of sulfur tolerant CO shift catalyst. 
[4] 91102838.2 a Co-Mo promoted CO shift catalyst sulfuration method using CS2. 
[5] CN92105197.2 an ambient temperature fine organic and inorganic sulfur removal new technology. 
[6] CN92104524.7 an organic sulfur hydrolysis catalyst and preparation. 
[7] CN93107483.5 an ambient temperature fine sulfur removal production process. 
[8] CN94102711.2 an ambient temperature sulfureted hydrogen, carbonyl sulfide, carbon disulfide fine desulfurizer and preparation. 
[9] CN95112604.0 an ambient temperature conversion absorption fine sulfur removal process. 
[10] CN96118013.7 an active-carbon fine desulfurizer and preparation. 
[11] CN96118137.0 a fine chloride removal agent and preparation. 
[12] CN96118289.X an ambient temperature fine organic sulfur removal process for artificial coal gas. 
[13] CN97109175.7 a multi-functions ferric oxide fine desulfurizer and preparation. 
[14] CN97116288.3 a highly effective chloride removal agent and preparation. 
[15] CN97109206.0 a fine sulfur and chloride removal double functions catalyst and preparation. 
[16] CN98113487.4 a vacuum packing method for ambient temperature sulfureted hydrogen, carbonyl sulfide, carbon disulfide fine desulfurizer. 
[17] CN99120014.4 a hydrogen removal catalyst and preparation of carbon dioxide feed gas in urea synthesis. 
[18] CN00116019.2 an ambient temperature dry fine sulfur removal method of liquid hydrocarbon. 
[19] CN00116020.6 a oxygen absent combining oxides fine desulfurizer and preparation. 
[20] CN01106660.1 medium temperature feed gas sulfur tolerant hydrolyze organic sulfide method 
[21] CN00114588.6 Active-carbon based mercaptan and thioether removal fine desulfurizer and preparation 
[22] CN01114383.5 Hydrogen removal catalyst containing several rare earth elements in carbon dioxide feed gas in urea synthesis 
[23] CN01128499.4 Heat energy recycling method of dehydrogenation sector in urea production 
[24] CN01128500.1 Hydrogen removal method of carbon dioxide feed gas in urea synthesis 
[25] CN02138976.4 Hydrogenation catalyst and preparation for H2O2 production by anthraquinone method 
[26] CN03125233.8 Organic sulfur removal and oxygen removal process in high purity CO gas production 
[27] CN200410013411.0 Hydrocarbon removal method of food grade carbon dioxide 
[28] CN200510018579.5 A conversion absorption fine desulfurizer and preparation 
[29] CN200510018739.6 regeneration method for hydrogen removal noble metal catalyst 
[30] CN200610018114.4 Ambient temperature fine sulfur removal process in liquid hydrocarbon 
[31] CN200610018674.X Low and ambient temperature organic sulfur removal process in high purity carbon monoxide gas production 
[32] CN200610019622.4 A sulfur tolerant oxygen removal method for protecting Rectisol process 
[33] CN200610019605.0 A sulfur tolerant oxygen removal catalyst, preparation and application 
[34] CN200710052144.1 A oxygen removal catalyst of carbon monoxide feed gas, preparation and application 
[35] CN200710052154.5 A HCN and COS purification method of coal based fuel gas 
[36] CN200810046867.5 A deep purification method of syngas 
[37] CN200810058809.4 A yellow phosphoric tail gas purification method in low temperature trace oxygen 
[38] CN200910060521.5 A HCN removal method of CO2 feed gas