This article introduces the specifics of the MIP technology involving respectively the case for production of clean gasoline,the case for producing clean gasoline coupled with production of diesel and the case for pro...This article introduces the specifics of the MIP technology involving respectively the case for production of clean gasoline,the case for producing clean gasoline coupled with production of diesel and the case for producing gasoline with increased output of propylene.The performance of the MIP units that were in operation was wrapped up.Test results have shown that the MIP technology is characterized by improved product distribution as evidenced by the reduced yields of dry gas and slurry and the increased total liquid yield;the upgraded product quality as evidenced by the reduced olefin and sulphur contents in gasoline;and the more ideal techno-economic indicators as evidenced by the reduced unit consumption of catalyst and the reduced energy consumption of the process unit.展开更多
The rules of MIP reactions for catalytic cracking of sulfur compounds and its influence on the sulfur content in the MIP naphtha were studied.The mam factors influencing the sulfur content in the MIP naphtha were thou...The rules of MIP reactions for catalytic cracking of sulfur compounds and its influence on the sulfur content in the MIP naphtha were studied.The mam factors influencing the sulfur content in the MIP naphtha were thought to be the sulfur content of feedstock and were closely related with the olefin content of naphtha.Taking into account the characteristic features of MIP process,the methods for reducing the sulfur content in the MIP naphtha were comprised of decreasing the sulfur content of feedstock by hydrotreating and decreasing the olefin content of naphtha through promoting hydrogen transfer reactions.Therefore,the EuroⅣclean gasoline with low sulfur content and low olefin content could be obtained directly through the MIP technology.展开更多
文摘This article introduces the specifics of the MIP technology involving respectively the case for production of clean gasoline,the case for producing clean gasoline coupled with production of diesel and the case for producing gasoline with increased output of propylene.The performance of the MIP units that were in operation was wrapped up.Test results have shown that the MIP technology is characterized by improved product distribution as evidenced by the reduced yields of dry gas and slurry and the increased total liquid yield;the upgraded product quality as evidenced by the reduced olefin and sulphur contents in gasoline;and the more ideal techno-economic indicators as evidenced by the reduced unit consumption of catalyst and the reduced energy consumption of the process unit.
文摘The rules of MIP reactions for catalytic cracking of sulfur compounds and its influence on the sulfur content in the MIP naphtha were studied.The mam factors influencing the sulfur content in the MIP naphtha were thought to be the sulfur content of feedstock and were closely related with the olefin content of naphtha.Taking into account the characteristic features of MIP process,the methods for reducing the sulfur content in the MIP naphtha were comprised of decreasing the sulfur content of feedstock by hydrotreating and decreasing the olefin content of naphtha through promoting hydrogen transfer reactions.Therefore,the EuroⅣclean gasoline with low sulfur content and low olefin content could be obtained directly through the MIP technology.
