S Zorb技术是我国汽油超低硫质量升级中的主体技术,采用该技术加工的催化汽油超过了催化裂化汽油总产量的50%.随着装置运行时间的增加,S Zorb脱硫反应器分配盘的磨蚀问题日益凸显,对分配盘磨蚀进行研究分析已经势在必行.文章利用数值模...S Zorb技术是我国汽油超低硫质量升级中的主体技术,采用该技术加工的催化汽油超过了催化裂化汽油总产量的50%.随着装置运行时间的增加,S Zorb脱硫反应器分配盘的磨蚀问题日益凸显,对分配盘磨蚀进行研究分析已经势在必行.文章利用数值模拟对分配盘流场进行分析,通过改进现有分配元件结构,改进通道板的结构形式,减小其由于垫片密封失效产生的磨蚀风险.分析结果为今后设计和现场处理该类问题提供了依据和解决方法,是保证装置长周期运行的关键.展开更多
Using molasses as carbon source,Na\-2So\-4\+\{2-\} as sulfate source,chemical fertilizer as N,P source,the main ecological factor affecting sulfate removal rate by SRB pH,ALK and ORP was studied in Cstr.The optimum pH...Using molasses as carbon source,Na\-2So\-4\+\{2-\} as sulfate source,chemical fertilizer as N,P source,the main ecological factor affecting sulfate removal rate by SRB pH,ALK and ORP was studied in Cstr.The optimum pH,ALK and ORP proved to be 6.57.0,500\{1 000\}mg/L,and -350-450 mV respectively.All the ecological factors affecting activity of SRB is related,the ecological effect is the integrated function results of factors.展开更多
文摘Using molasses as carbon source,Na\-2So\-4\+\{2-\} as sulfate source,chemical fertilizer as N,P source,the main ecological factor affecting sulfate removal rate by SRB pH,ALK and ORP was studied in Cstr.The optimum pH,ALK and ORP proved to be 6.57.0,500\{1 000\}mg/L,and -350-450 mV respectively.All the ecological factors affecting activity of SRB is related,the ecological effect is the integrated function results of factors.