Enhancement of the Direct Synthesis of Dimethyl Ether (DME) from Synthesis Gas by Macro- and Microstructuring of the Catalytic Bed

被引:12
|
作者
Bizon, Katarzyna [1 ]
Skrzypek-Markiewicz, Krzysztof [1 ]
Continillo, Gaetano [2 ]
机构
[1] Cracow Univ Technol, Fac Chem Engn & Technol, Ul Warszawska 24, PL-31155 Krakow, Poland
[2] Univ Sannio, Dipartimento Ingn, Piazza Roma 21, I-82100 Benevento, Italy
关键词
process integration; direct synthesis of dimethyl ether; bifunctional catalyst pellet; process intensification; multifunctional catalytic reactor; MAXWELL-STEFAN APPROACH; MASS; SIMULATION; DIFFUSION; REACTOR; DESIGN;
D O I
10.3390/catal10080852
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
This work reports on a modelling study of the influence of the distribution of metallic and acidic active centers within a catalytic fixed-bed reactor for the direct synthesis of dimethyl ether (DME), conducted to demonstrate the potential of reactor-level and pellet-level structuring of catalytic active centers in process integration and intensification. To account for the pellet structure, the analysis was performed with the aid of a heterogeneous model considering both interphase and intrapellet mass transport resistances. The study evaluated, in terms of DME and methanol yield and selectivity, the performance of a tubular reactor loaded with a physical mixture of monofunctional catalyst pellets or structured bifunctional catalyst pellets with different arrangements of the catalytic centers. It was confirmed that bifunctional catalysts overperform significantly a physical mixture of monofunctional particles. Moreover, it was shown that the internal structure of a bifunctional catalyst pellet is an important feature that deserves to be exploited deeper, in view of further intensification of the DME synthesis process to be achieved with a better reactor design.
引用
收藏
页数:16
相关论文
共 50 条
  • [21] DME (DiMethyl Ether) synthesis from coal and coal mine methane
    Omiya, Mamoru
    Ohno, Yotaro
    Nihon Enerugi Gakkaishi/Journal of the Japan Institute of Energy, 2002, 81 (12): : 1056 - 1062
  • [22] Comparison of the performance of different hybrid catalysts for direct synthesis of dimethyl ether from synthesis gas
    Gholam Reza Moradi
    Rohollah Ghanei
    Ferydon Yaripour
    Reaction Kinetics and Catalysis Letters, 2007, 92 : 137 - 145
  • [23] Direct Dimethyl Ether Synthesis
    Takashi Ogawa
    Norio Inoue
    Tutomu Shikada
    Yotaro Ohno
    Journal of Natural Gas Chemistry, 2003, (04) : 219 - 227
  • [24] Direct synthesis of dimethyl ether from synthesis gas over metal-pillared ilerites
    Ahn, Sung-Hwan
    Kim, Song-Hyoung
    Hahm, Hyun-Sik
    RESEARCH ON CHEMICAL INTERMEDIATES, 2008, 34 (8-9) : 793 - 801
  • [25] Direct synthesis of dimethyl ether from synthesis gas over metal-pillared ilerites
    Sung-Hwan Ahn
    Song-Hyoung Kim
    Hyun-Sik Hahm
    Research on Chemical Intermediates, 2008, 34 : 793 - 801
  • [26] Comparison of the performance of different hybrid catalysts for direct synthesis of dimethyl ether from synthesis gas
    Moradi, Gholam Reza
    Ghanei, Rohollah
    Yaripour, Ferydon
    REACTION KINETICS AND CATALYSIS LETTERS, 2007, 92 (01): : 137 - 145
  • [27] Direct dimethyl ether (DME) synthesis through a thermally coupled heat exchanger reactor
    Vakili, R.
    Pourazadi, E.
    Setoodeh, P.
    Eslamloueyan, R.
    Rahimpour, M. R.
    APPLIED ENERGY, 2011, 88 (04) : 1211 - 1223
  • [28] Kinetics and modelling of dimethyl ether synthesis from synthesis gas
    Ng, KL
    Chadwick, D
    Toseland, BA
    CHEMICAL ENGINEERING SCIENCE, 1999, 54 (15-16) : 3587 - 3592
  • [29] Synthesis of olefins from dimethyl ether in a synthesis gas atmosphere
    Galanova, E. G.
    Magomedova, M., V
    Afokin, M., I
    Starozhitskaya, A., V
    Maximov, A. L.
    CATALYSIS COMMUNICATIONS, 2021, 153
  • [30] Thermodynamic equilibrium in the synthesis of dimethyl ether from synthesis gas
    Meshcheryakov, VD
    Kirillov, VA
    THEORETICAL FOUNDATIONS OF CHEMICAL ENGINEERING, 2000, 34 (01) : 85 - 89