The selective catalytic deoxygenation of oxy-organics in Fischer-Tropsch mixed oil for its high value utilization is challenging.Herein,a BaCO_(3)/γ-Al_(2)O_(3) catalyst was prepared calciningγ-Al_(2)O_(3) with BaCO...The selective catalytic deoxygenation of oxy-organics in Fischer-Tropsch mixed oil for its high value utilization is challenging.Herein,a BaCO_(3)/γ-Al_(2)O_(3) catalyst was prepared calciningγ-Al_(2)O_(3) with BaCO_(3),and the acid-alkalinity of the catalyst was regulated by introducing alkaline Ba basic sties.In a co ntinuous fixed-bed reactor with a feed mass space velocity of 1 h~(-1)and reaction temperature of 330℃,BaCO_(3)/γ-Al_(2)O_(3) catalyst can efficiently catalyzed the deoxygenation removal of 1-octanol in Fischer-Tropsch C10mixture oil.It also inhibited the isomerization of 1-decene in the C10 mixture.The catalytic deoxygenation kinetics of 1-octanol were also studied.The reaction was endothermic with an activation energy of 64 kJ·mol^(-1)and a reaction order of 2.In addition,theoretical studies revealed the adsorption and activation of 1-decene on the Lewis acidic site and the alkaline Ba basic sites,1-decene was more easily underwent isomerization into 2-decene at Lewis acid sites.This research provides a useful method to enable the industrial application of catalytic deoxygenation of alcohols in Fischer-Tropsch synthetic oil.展开更多
Fischer-Tropsch(F-T)synthesis has become a commercial pathway for producing liquid fuels and chemicals from non-petroleum carbon resources through syngas.In line with national energy security strategies and environmen...Fischer-Tropsch(F-T)synthesis has become a commercial pathway for producing liquid fuels and chemicals from non-petroleum carbon resources through syngas.In line with national energy security strategies and environmental protection concerns,the SINOPEC Research Institute of Petroleum Processing Co.,Ltd.(RIPP)has intensified research on F-T synthesis since 2002.Co-based fixed-bed and slurry F-T synthesis technologies nearing industrial readiness and a processing package of 0.7 Mt/a have been successfully developed after years of fundamental research,pilot testing,and technical designs.Besides,multiple mesoscopic channel reactor with a cross-flow structure and excellent heat control was developed to enhance the space time yield of supported cobalt catalyst under different reaction conditions.RIPP has also developed several different F-T synthetic oil hydro-upgrading technologies according to different target products,all of which have been implemented in industrial production.To address the quality of F-T reaction water,a targeted alcohol recovery pretreatment technology has been developed.Pilot tests confirmed that this technology significantly reduced the chemical oxygen demand of the water,thereby ensuring the feasibility of using F-T technology on an industrial scale.展开更多
基金supported by the Scientific and technological innovation project of Ningxia Coal Industry Co.,LTD,China Energy Investment(NXMY-24-36)。
文摘The selective catalytic deoxygenation of oxy-organics in Fischer-Tropsch mixed oil for its high value utilization is challenging.Herein,a BaCO_(3)/γ-Al_(2)O_(3) catalyst was prepared calciningγ-Al_(2)O_(3) with BaCO_(3),and the acid-alkalinity of the catalyst was regulated by introducing alkaline Ba basic sties.In a co ntinuous fixed-bed reactor with a feed mass space velocity of 1 h~(-1)and reaction temperature of 330℃,BaCO_(3)/γ-Al_(2)O_(3) catalyst can efficiently catalyzed the deoxygenation removal of 1-octanol in Fischer-Tropsch C10mixture oil.It also inhibited the isomerization of 1-decene in the C10 mixture.The catalytic deoxygenation kinetics of 1-octanol were also studied.The reaction was endothermic with an activation energy of 64 kJ·mol^(-1)and a reaction order of 2.In addition,theoretical studies revealed the adsorption and activation of 1-decene on the Lewis acidic site and the alkaline Ba basic sites,1-decene was more easily underwent isomerization into 2-decene at Lewis acid sites.This research provides a useful method to enable the industrial application of catalytic deoxygenation of alcohols in Fischer-Tropsch synthetic oil.
基金financial support from RIPP(R09040,R10029,R12066,R15009,R15007,and R17058)Sinopec,China(104085,105146,107035,109049,110122,110208,and 114141).
文摘Fischer-Tropsch(F-T)synthesis has become a commercial pathway for producing liquid fuels and chemicals from non-petroleum carbon resources through syngas.In line with national energy security strategies and environmental protection concerns,the SINOPEC Research Institute of Petroleum Processing Co.,Ltd.(RIPP)has intensified research on F-T synthesis since 2002.Co-based fixed-bed and slurry F-T synthesis technologies nearing industrial readiness and a processing package of 0.7 Mt/a have been successfully developed after years of fundamental research,pilot testing,and technical designs.Besides,multiple mesoscopic channel reactor with a cross-flow structure and excellent heat control was developed to enhance the space time yield of supported cobalt catalyst under different reaction conditions.RIPP has also developed several different F-T synthetic oil hydro-upgrading technologies according to different target products,all of which have been implemented in industrial production.To address the quality of F-T reaction water,a targeted alcohol recovery pretreatment technology has been developed.Pilot tests confirmed that this technology significantly reduced the chemical oxygen demand of the water,thereby ensuring the feasibility of using F-T technology on an industrial scale.
