Catalytic conversion of methanol to olefins over rare earth (La, Y) modified SAPO-34

被引：23

作者：

Lu, Jinzhao ^{[1
]}

Wang, Xinping ^{[1
]}

Li, Hongbin ^{[1
]}

机构：

[1] Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116024, Peoples R China

来源：

REACTION KINETICS AND CATALYSIS LETTERS | 2009年 / 97卷 / 02期

关键词：

Rare earth modification; MTO; SAPO-34; Light olefins; MOLECULAR-SIEVES; NICKEL INCORPORATION; MTO PROCESS; ZEOLITE; HYDROCARBONS; STABILITY; SILICON; SITES;

D O I：

10.1007/s11144-009-0046-9

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

SAPO-34 modified with lanthanum and yttrium exhibited higher selectivity to light olefins, lower methane formation, and longer lifetime (prolonged by 20%) than the parent SAPO-34 in the process of methanol conversion to olefins. The modified catalytic performance could be ascribed to the incorporation of La3+ and Y3+ into the framework of SAPO-34.

引用

页码：255 / 261

页数：7

共 15 条

[1] SMALL-PORE MOLECULAR-SIEVES SAPO-34 AND SAPO-44 WITH CHABAZITE STRUCTURE - A STUDY OF SILICON INCORPORATION [J].

ASHTEKAR, S ;

CHILUKURI, SVV ;

CHAKRABARTY, DK .

JOURNAL OF PHYSICAL CHEMISTRY, 1994, 98 (18) :4878-4883

[2] Recent advancements in ethylene and propylene production using the UOP/Hydro MTO process [J].

Chen, JQ ;

Bozzano, A ;

Glover, B ;

Fuglerud, T ;

Kvisle, S .

CATALYSIS TODAY, 2005, 106 (1-4) :103-107

[3] Catalytic study of methanol-to-olefins conversion in four small-pore silicoaluminophosphate molecular sieves: Influence of the structural type, nickel incorporation, nickel location, and nickel concentration [J].

Djieugoue, MA ;

Prakash, AM ;

Kevan, L .

JOURNAL OF PHYSICAL CHEMISTRY B, 2000, 104 (27) :6452-6461

[4] Conversion of methanol to olefins over cobalt-, manganese- and nickel-incorporated SAPO-34 molecular sieves [J].

Dubois, DR ;

Obrzut, DL ;

Liu, J ;

Thundimadathil, J ;

Adekkanattu, PM ;

Guin, JA ;

Punnoose, A ;

Seehra, MS .

FUEL PROCESSING TECHNOLOGY, 2003, 83 (1-3) :203-218

[5] Comparison of conventional and solid-state ion exchange procedures for the incorporation of lanthanum in H-beta zeolite [J].

Jia, CJ ;

Beaunier, P ;

Massiani, P .

MICROPOROUS AND MESOPOROUS MATERIALS, 1998, 24 (1-3) :69-82

[6] Effects of decrease in number of acid sites located on the external surface of Ni-SAPO-34 crystalline catalyst by the mechanochemical method [J].

Kang, M ;

Inui, T .

CATALYSIS LETTERS, 1998, 53 (3-4) :171-176

[7] Methanol conversion on SAPO-34 catalysts prepared by mixed template method [J].

Lee, Yun-Jo ;

Baek, Seung-Chan ;

Jun, Ki-Won .

APPLIED CATALYSIS A-GENERAL, 2007, 329 :130-136

[8] Reducing methane formation in methanol to olefins reaction on metal impregnated SAPO-34 molecular sieve [J].

Obrzut, DL ;

Adekkanattu, PM ;

Thundimadathil, J ;

Liu, J ;

Dubois, DR ;

Guin, JA .

REACTION KINETICS AND CATALYSIS LETTERS, 2003, 80 (01) :113-121

[9] Methanol-to-hydrocarbons:: catalytic materials and their behavior [J].

Stöcker, M .

MICROPOROUS AND MESOPOROUS MATERIALS, 1999, 29 (1-2) :3-48

[10] Methanol conversion to hydrocarbons on porous aluminosilicates [J].

Tsoncheva, T ;

Dimitrova, R .

APPLIED CATALYSIS A-GENERAL, 2002, 225 (1-2) :101-107

← 1 2 →