TOLUENE DISPROPORTIONATION REACTION OVER HZSM-5 ZEOLITES - KINETICS AND MECHANISM

被引：32

作者：

BHASKAR, GV

DO, DD

机构：

[1] UNIV QUEENSLAND,DEPT CHEM ENGN,ST LUCIA,QLD 4067,AUSTRALIA

[2] MASSEY UNIV,DEPT BIOTECHNOL,PALMERSTON NORTH,NEW ZEALAND

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 1990年 / 29卷 / 03期

关键词：

D O I：

10.1021/ie00099a009

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Six samples of ZSM-5 catalyst with silica-to-alumina ratios ranging from 30 to 167 were used to investigate the kinetics, product distribution, and mechanism in the toluene disproportionation reaction. The reaction was carried out under the conditions of atmospheric pressure and a temperature range of 470-570 °C. Both nitrogen and hydrogen carrier gases were used during the experiment. The toluene disproportionation reaction showed a first-order dependence on the toluene partial pressure with an activation energy of 28.4 kcal/mol. Based on the results obtained, a generalized equation for the pseudo-first-order rate constant is proposed. © 1990, American Chemical Society. All rights reserved.

引用

页码：355 / 361

页数：7

共 12 条

[1] TOLUENE DISPROPORTIONATION CATALYZED BY VARIOUS ZEOLITES [J].

BELTRAME, P ;

BELTRAME, PL ;

CARNITI, P ;

FORNI, L ;

ZURETTI, G .

ZEOLITES, 1985, 5 (06) :400-405

[2] SORPTION AND CATALYTIC REACTION IN PENTASIL ZEOLITES - INFLUENCE OF PREPARATION AND CRYSTAL SIZE ON EQUILIBRIA AND KINETICS [J].

DOELLE, HJ ;

HEERING, J ;

RIEKERT, L ;

MAROSI, L .

JOURNAL OF CATALYSIS, 1981, 71 (01) :27-40

[3]

KAEDING W, 1977, Patent No. 4016219

[4] SHAPE-SELECTIVE REACTIONS WITH ZEOLITE CATALYSTS .2. SELECTIVE DISPROPORTIONATION OF TOLUENE TO PRODUCE BENZENE AND P-XYLENE [J].

KAEDING, WW ;

CHU, C ;

YOUNG, LB ;

BUTTER, SA .

JOURNAL OF CATALYSIS, 1981, 69 (02) :392-398

[5] THE CORRELATION BETWEEN SORPTION AND CATALYTIC PROPERTIES OF HZSM-5 TYPE CATALYSTS [J].

KULKARNI, SJ ;

KULKARNI, SB ;

RATNASAMY, P ;

HATTORI, H ;

TANABE, K .

APPLIED CATALYSIS, 1983, 8 (01) :43-56

[6] TOLUENE CONVERSION ON THE ZEOLITES OFFRETITE, OMEGA AND ZSM-5 [J].

MAVRODINOVA, V ;

MINCHEV, C ;

PENCHEV, V ;

LECHERT, H .

ZEOLITES, 1985, 5 (04) :217-221

[7]

MESHRAM NR, 1987, J CHEM TECHNOL BIOT, V37, P111

[8] DISPROPORTIONATION OF TOLUENE OVER HZSM-5 ZEOLITES [J].

MESHRAM, NR ;

HEGDE, SG ;

KULKARNI, SB ;

RATNASAMY, P .

APPLIED CATALYSIS, 1983, 8 (03) :359-367

[9] CATALYTIC ACTIVITY AND PRODUCT DISTRIBUTION IN THE DISPROPORTIONATION OF TOLUENE ON DIFFERENT PREPARATIONS OF PENTASIL ZEOLITE CATALYSTS [J].

NAYAK, VS ;

RIEKERT, L .

APPLIED CATALYSIS, 1986, 23 (02) :403-411

[10]

OLSEN DH, 1981, J PHYS CHEM-US, V85, P2238

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