Prime-G+技术在催化裂化汽油加氢脱硫装置上的应用

摘要

为使出厂汽油硫含量达到国Ⅳ汽油排放标准,中国石油兰州石化公司引进法国Prime-G+技术建成1套1.8 Mt/a催化裂化汽油加氢脱硫装置.标定结果表明:装置加工硫质量分数为195 μg/g的催化裂化汽油时,所得混合汽油产品硫质量分数为38.5 μg/g,硫醇硫质量分数为3.5 μg/g;研究法辛烷值损失为1个单位,达到设计(不大于1.8个单位)要求；混合汽油产品收率为99.91％,高于设计值(99.90％)；能耗为934.6 MJ/t,低于设计值(937.2 MJ/t).在满负荷条件下装置运行较为平稳,经济效益明显,每年可增加效益6.9亿元.%To meet the sulfur content of gasoline product satisfying national emission standard IV , a 1. 8 Mt/a hydrodesulfurization unit processing FCC naphtha feed was built at Lanzhou Petrochemical Company adopting Prime-G+ technology. Performance test data of this unit show that when processing FCC naphtha with sulfur content of 195 μg/g, the obtained mixed gasoline product has total sulfur content and mercaptaneous sulfur content of 38. 5 μg/g and 3. 5 μg/g, respectively. The RON loss of the gasoline product is 1 unit, which is less than the design value (1. 8 units). Furthermore, the yield of mixed gasoline product was 99. 91% which is a bit higher than the design value (99. 90%) , and the energy consumption was 934. 6 MJ/t which is lower than the design value (937. 2 MJ/t). The unit is operated stably under full-capacity with significant economic efficiency, an increment of 690 MRMB annually.