2018年 第4卷 第3期
《工程（英文）》 >> 2018年 第4卷 第3期 doi: 10.1016/j.eng.2018.05.014
含高浓度无机颗粒的有机废液分离及回用技术
a National Engineering Laboratory for Industrial Wastewater Treatment, East China University of Science and Technology, Shanghai 200237, China
b Sinopec Luoyang Petrochemical Engineering Corporation, Luoyang 471003, China
c Sinopec Jinling Petrochemical Corporation, Nanjing 210033, China
d Sinopec Dalian (Fushun) Research Institute of Petroleum and Petrochemicals, Fushun 113001, China
e Sinopec Zhenhai Refining and Chemical Com
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摘要
有机废液的无害化、资源化处理是环境工程的前沿之一，随着化学品需求不断增加，石油、煤和天然气转化中排放的含高浓度无机污染物的有机废液问题更趋严重。本文通过同步高速摄像技术发现了三维旋转湍流场中颗粒物高速自转和翻转现象，自转速度高达2000~6000 rad·s-1，利用这一现象发明了颗粒物孔隙中有机物旋流自转脱除方法，开发了废液中有机污染物旋流自转回收、无机颗粒物气流加速度分级回用的工艺流程，并成功应用于中国石化第一套自主研发的沸腾床渣油加氢工程示范装置中。该技术与美国T-STAR含废催化剂的有机废液固定床气提技术相比，同温度下催化剂颗粒脱液效率最高可提高44.9个百分点，实现95%脱液效率的处理时间从1956.5 s降低到8.4 s，并实现了外排催化剂颗粒按活性分级进行回用。提出了200万吨/年沸腾床渣油加氢装置的外排有机废液控制及无机颗粒回收利用技术方案，预期可回收柴油3100吨/年，高活性催化剂颗粒647吨/年，降低装置新鲜催化剂消耗量518吨/年，直接经济效益3728万元/年，具有显著的经济、社会和环境效益。
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