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ＦＤＳ－４Ａ轻质馏分油加氢精制催化剂的研制及其工业应用技术于１９９９年６月１０日在北京通过了由中国石油化工集团公司技术开发中心主持的技术鉴定。ＦＤＳ－４Ａ催化剂是抚顺石油化工研究院为满足炼油厂加工进口高硫原油的需要而开发的具有优异加氢脱硫活性的轻质馏分油
FDS-4A light distillate hydrotreating catalyst development and industrial application of technology in June 10, 1999 in Beijing adopted by the China Petrochemical Corporation Technology Development Center, presided over the technical appraisal. FDS-4A catalyst is Fushun Petrochemical Research Institute to meet the needs of refinery processing imports of high-sulfur crude oil has excellent hydrodesulfurization activity of light distillate oil