On December 21, 2014 the first in the world coal-basedsecond-generation methanol-to-olefin (DMTO-II) commercialdemonstration unit was successfully started up atthe Clean Energy Chemical Company Limited in Puchengcit...On December 21, 2014 the first in the world coal-basedsecond-generation methanol-to-olefin (DMTO-II) commercialdemonstration unit was successfully started up atthe Clean Energy Chemical Company Limited in Puchengcity, Shaanxi province, which has symbolized the majorachievements of this phase associated with the disseminationand application of the new generation technology formanufacture of olefins from methanol, the independentintellectual property rights of which are in the hands ofthis Chinese enterprise.展开更多
研究DMTO催化剂在工业条件下的再生动力学对于DMTO工业装置的稳定运行具有重要意义。目前的研究主要集中在根据工业再生器运行数据进行拟合,得到的再生动力学适用温度范围窄。利用热重分析仪,采用等温和非等温方法对DMTO工业流化床反应...研究DMTO催化剂在工业条件下的再生动力学对于DMTO工业装置的稳定运行具有重要意义。目前的研究主要集中在根据工业再生器运行数据进行拟合,得到的再生动力学适用温度范围窄。利用热重分析仪,采用等温和非等温方法对DMTO工业流化床反应器中积炭催化剂进行空气再生实验研究。结果表明,积炭DMTO催化剂空气再生反应速率对催化剂积炭含量表现为一级反应。两种方法得到的空气再生活化能几乎相同,约为85 k J·mol-1。表明积炭DMTO催化剂再生过程中积炭物种具有相同性质,实验方法对再生活化能影响很小。展开更多
文摘On December 21, 2014 the first in the world coal-basedsecond-generation methanol-to-olefin (DMTO-II) commercialdemonstration unit was successfully started up atthe Clean Energy Chemical Company Limited in Puchengcity, Shaanxi province, which has symbolized the majorachievements of this phase associated with the disseminationand application of the new generation technology formanufacture of olefins from methanol, the independentintellectual property rights of which are in the hands ofthis Chinese enterprise.
文摘研究DMTO催化剂在工业条件下的再生动力学对于DMTO工业装置的稳定运行具有重要意义。目前的研究主要集中在根据工业再生器运行数据进行拟合,得到的再生动力学适用温度范围窄。利用热重分析仪,采用等温和非等温方法对DMTO工业流化床反应器中积炭催化剂进行空气再生实验研究。结果表明,积炭DMTO催化剂空气再生反应速率对催化剂积炭含量表现为一级反应。两种方法得到的空气再生活化能几乎相同,约为85 k J·mol-1。表明积炭DMTO催化剂再生过程中积炭物种具有相同性质,实验方法对再生活化能影响很小。