Synthesis of supported bismuth molybdate catalyst and the application in selective oxidation of propylene to acrolein
➤ Gửi thông báo lỗi ⚠️ Báo cáo tài liệu vi phạmNội dung chi tiết: Synthesis of supported bismuth molybdate catalyst and the application in selective oxidation of propylene to acrolein
Synthesis of supported bismuth molybdate catalyst and the application in selective oxidation of propylene to acrolein
1MINISTRY OF EDUCATION AND TRAININGHANOI UNIVERSITY OF TECHNOLOGYTruong Due DueSYNTHESIS OF SUPPORTED BISMI TH MOLYBDATE CATALYST AND THE APPLICATION Synthesis of supported bismuth molybdate catalyst and the application in selective oxidation of propylene to acrolein IN SELECTIVE OXIDATION OF PROPYLENE TOACROLEINT ng h p V t li II Bismuth Molybdate trên eh t mang và ng d ng làm xúc tác cho ph n ng oxi hóa ch n I c propylene thành acroleinMajor: Chemical engineeringMSC. THESISSupervisor:Dr. Le Minh ThangInvited supervisor :Assoc. Prof. Anders RiisagerHanoi. 10/2 Synthesis of supported bismuth molybdate catalyst and the application in selective oxidation of propylene to acrolein 009Due T.D - 2009ọAbstractrhe subject of this thesis is the synthesis of high surface area bismuth molybdate based catalysts. Two synthesis directionsSynthesis of supported bismuth molybdate catalyst and the application in selective oxidation of propylene to acrolein
this leads to the synthesis have been carried out. One is based on the idea of reducing the particle size of catalyst, nanometer sized -Bi2MoOộ cryst1MINISTRY OF EDUCATION AND TRAININGHANOI UNIVERSITY OF TECHNOLOGYTruong Due DueSYNTHESIS OF SUPPORTED BISMI TH MOLYBDATE CATALYST AND THE APPLICATION Synthesis of supported bismuth molybdate catalyst and the application in selective oxidation of propylene to acrolein rea supports, silica supported -Bi2Mo2()9 and zirconia supported -Bi2Mo?O9 catalysts with various percentage of -Bi NfcnOo loading contents were therefore synthesized. Both works aimed to investigate the influence of surface area of catalyst on their catalytic activities in the selective oxidation o Synthesis of supported bismuth molybdate catalyst and the application in selective oxidation of propylene to acrolein f propylene to acrolein.In this thesis, bismuth molybdate catalysts and their applications in the selective oxidation of propylene to acrolein were prSynthesis of supported bismuth molybdate catalyst and the application in selective oxidation of propylene to acrolein
esented very detail. The Mars and van Krevelen mechanism as well as the important role of lattice oxygen were also discussed in detail.Synthesis of me1MINISTRY OF EDUCATION AND TRAININGHANOI UNIVERSITY OF TECHNOLOGYTruong Due DueSYNTHESIS OF SUPPORTED BISMI TH MOLYBDATE CATALYST AND THE APPLICATION Synthesis of supported bismuth molybdate catalyst and the application in selective oxidation of propylene to acrolein ntion in order to obtain a high surface area and a stable pore structure.rhe application of supported bismuth molybdate catalysts in selective propylene oxidation results is provided a better understanding about the role of lattice oxygen and surface area of catalyst. Both surface area and lattice o Synthesis of supported bismuth molybdate catalyst and the application in selective oxidation of propylene to acrolein xygen of catalyst play as key roles in the reaction. Supported bismuth molybdate samples possess both high surface area and high oxygen mobility resulSynthesis of supported bismuth molybdate catalyst and the application in selective oxidation of propylene to acrolein
ted in an extraordinary increase of catalytic activities. Among suppons. ZrO> is more efficient due to the presence of synergy effect.Due T.D - 20093T1MINISTRY OF EDUCATION AND TRAININGHANOI UNIVERSITY OF TECHNOLOGYTruong Due DueSYNTHESIS OF SUPPORTED BISMI TH MOLYBDATE CATALYST AND THE APPLICATION Synthesis of supported bismuth molybdate catalyst and the application in selective oxidation of propylene to acrolein d c th c hi n. H ng th nh t d a trên ý I ng làm gi m kích th c h t xúc tác, tinh th -Bi’MoO* có kích Ih c 11 l khong 50nm đã đ ct ng h p thành còngb ngph ng pháp k l linh th y nhi l.11ng Ih hai d atrên ý ĩ ng mang bismuthmolybdate lẽn các ch l mang có b m l riêng cao. các xúc tác bismuth molybdate n Synthesis of supported bismuth molybdate catalyst and the application in selective oxidation of propylene to acrolein gâm t m trên silica và zirconia đã đ c đi u ch V i các hàm 1 ng ch l mang khác nhau, c hai h ng d u nhmd kh o sát nhh ng c a di n tích bm triêng c a xSynthesis of supported bismuth molybdate catalyst and the application in selective oxidation of propylene to acrolein
úc tác d n ho t tính xúctác c a nó trongph lì ng oxi hóa chn I cpropylene thành acrolein.Trong lu lì vãn này. h xúc lác bismuth molybdate vả ng d ng c1MINISTRY OF EDUCATION AND TRAININGHANOI UNIVERSITY OF TECHNOLOGYTruong Due DueSYNTHESIS OF SUPPORTED BISMI TH MOLYBDATE CATALYST AND THE APPLICATION Synthesis of supported bismuth molybdate catalyst and the application in selective oxidation of propylene to acrolein oxy m ng 1 i c a xúc tác cũng d c th o lu n m t cách c th .T ng h p ch t mang mao qu n trung bình zirconia b ng ph ng pháp k l linh th y nhi t cOng n m trong n i dung nghiên c u vì vi c t ng h p V I li u mao qu n trung binh ZrO2 đòi h i s quan lâm d c bi l d duy trì di n tích b m l cao và c u trúc Synthesis of supported bismuth molybdate catalyst and the application in selective oxidation of propylene to acrolein mao qu n n d nh.K t qu nghiên c u ng d ng V t li u xúc tác trên c s bismuth molybdate có di n lích b m t ricng cao trong ph n ng oxi hóa ch n I c propSynthesis of supported bismuth molybdate catalyst and the application in selective oxidation of propylene to acrolein
ylene dà cung e p them nh ng hi u bi t rò h n V vai trò c a oxy m ng I i vả b m t riêng c a xúc tác. c di n tích b m t riêng và oxy m ng I i c a xúc t1MINISTRY OF EDUCATION AND TRAININGHANOI UNIVERSITY OF TECHNOLOGYTruong Due DueSYNTHESIS OF SUPPORTED BISMI TH MOLYBDATE CATALYST AND THE APPLICATION Synthesis of supported bismuth molybdate catalyst and the application in selective oxidation of propylene to acrolein đ n ho l lính xúc lác lăng đáng k . Trong hai lo i ch l mang này thi ZrO' có hi u qu h n b i vi s xu I hi n c a hi u ng hi p Ir xúc lác gi a ch l mang V i pha ph n ngDue T.D - 20094 Synthesis of supported bismuth molybdate catalyst and the application in selective oxidation of propylene to acrolein 1MINISTRY OF EDUCATION AND TRAININGHANOI UNIVERSITY OF TECHNOLOGYTruong Due DueSYNTHESIS OF SUPPORTED BISMI TH MOLYBDATE CATALYST AND THE APPLICATIONGọi ngay
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