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醋酸脱碘吸附剂
 

醋酸脱碘吸附剂近期在上海复旭分子筛有限公司顺利投产,进行批量生产。该吸附剂拥有自主知识产权,是复旭分子筛有限公司、复旦大学和国内多家煤化工企业多年合作的成果。经试用,该吸附剂的脱碘效果良好。

  我国石油资源有限,进口依赖度高,而且国际石油价格在高位剧烈震荡。煤化工羰基法取代以乙烯为原料的醋酸生产工艺已成为醋酸行业发展的主流。据统计,2007年约1.70Mt的醋酸是由羰基法生产的,占我国醋酸总产量的78%。预期20102013年我国羰基法醋酸的产量可分别达到5.60Mt8.95Mt

  醋酸乙烯是醋酸的重要下游产品,消耗量约占醋酸总产量的30%50%。然而以羰基法生产的醋酸中含有质量分数5×10-8以上的痕量碘,必须除去才可用于制备醋酸乙烯。复旭分子筛有限公司生产的脱碘吸附剂,可高效脱除羰基法醋酸中的痕量碘,脱碘后醋酸中含碘量(质量分数)降至(15×10-9,可满足醋酸乙烯对原料的要求。

摘自《石油化工》2009年3月第2期

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