The refinery normal pressure pipe still due to the methanol stripping

摘要

(57) Abstract As the stripping gas using vapor, in the normal pressure pipe still stripping method the strip of doing tower bottom ones and the secondary stream product, the method of using methanol and or methanol and the vapor blend being improved as the stripping gas. From the group which consists of the blend of methanol and methanol and vapor in the refinery normal pressure pipe still stripping method of using the stripping gas, the method of using the gas which is selected as the stripping gas.