The Chemistry of the Catalyzed Hydrogenation of Carbon Monoxide

Henrici‐Olivé, G.; Olivé, S.

doi:10.1007/978-3-642-69662-6

Cited by 171 publications

(94 citation statements)

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“…The Fischer-Tropsch synthesis (FTS) reaction, described by Fischer and Tropsch in 1923, [1] is a process which yields hydrocarbons from syngas (CO/H 2 ). The advantages of FTS products over conventional petroleum-derived products are their sulphur-free, aromatic-free, and nitrogen-free properties.…”

Section: Introductionmentioning

confidence: 99%

Multiple‐Functional Capsule Catalysts: A Tailor‐Made Confined Reaction Environment for the Direct Synthesis of Middle Isoparaffins from Syngas

Liu

Yoneyama

et al. 2006

Chemistry A European J

122

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A capsule catalyst for isoparaffin synthesis based on Fischer-Tropsch reaction was designed by coating a H-ZSM-5 membrane onto the surface of the pre-shaped Co/SiO(2) pellet. Morphological and chemical analysis showed that the capsule catalyst had a core-shell structure. A compact, integral shell of H-ZSM-5 crystallized firmly on the Co/SiO(2) substrate without crack. Syngas passed through the zeolite membrane to reach the Co/SiO(2) catalyst to be converted, and all hydrocarbons formed with straight chain structure must enter the zeolite channels to undergo hydrocracking as well as isomerization in this tailor-made confined reaction environment. A narrow, anti-Anderson-Schultz-Flory law product distribution was observed on these capsule catalysts. Contrary to a mechanical mixture of H-ZSM-5 and Co/SiO(2), C(10+) hydrocarbons were suppressed completely on this novel capsule catalyst, and the selectivity of middle isoparaffins was considerably improved. The carbon number distribution of the products depended on the thickness of the zeolite membrane, and it was possible to selectively synthesize specified distillates, such as gasoline-range, or heavier hydrocarbons from syngas directly, by simply adjusting the thickness of the zeolite membrane of the capsule catalyst. This kind of capsule catalysts can be extended to various consecutive reaction systems as the shell and core components are independent catalysts for different reactions. At the same time, shape selectivity and space-confined effects can be expected for the reactant, intermediates and product of the sequential reactions.

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Section: Introductionmentioning

confidence: 99%

Multiple‐Functional Capsule Catalysts: A Tailor‐Made Confined Reaction Environment for the Direct Synthesis of Middle Isoparaffins from Syngas

Liu

Yoneyama

et al. 2006

Chemistry A European J

122

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“…their ability to reversibly bind oxygen, 1 transfer of an amino group, 2 photochromic properties, 3 catalytic activity in the hydrogenation of olefins. 4 Also many Schiff base complexes show catalytic activity in various reactions at high temperature and in the presence of moisture. 5,6 Schiff bases show strong complexing ability towards some toxic metals 7 and diverse biological activities, such as antibacterial and antitumor.…”

Section: Introductionmentioning

confidence: 99%

Crystal Structure and Characterization of a New Eight Coordinated Cadmium Complex

Hakimi¹,

Moeini²,

Mardani³

et al. 2013

Journal of the Korean Chemical Society

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ABSTRACT. In this work, a new cadmium complex [Cd(L)(CH3COO)2].2H2O (1) with the ligand L, N,N´-bis(2-pyridinecarboxalidene)-1,2-cyclohexanediamine was prepared and identified by elemental analysis, FT-IR, Raman, 1 H NMR spectroscopy and single-crystal X-ray diffraction. The cadmium atom in the crystal structure of 1 has distorted triangular dodecahedral geometry by coordination of the four nitrogen atoms of L and four oxygen atoms of the two acetate ions. Two water molecules are also incorporated in the crystal network. The O-H···O hydrogen bonds present in the crystal structure of 1. In this work, three structural surveys including coordination numbers of the cadmium atom, coordination modes of L and resonance in pyridine-2-ylmethanimine-based compounds are presented.

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“…They show interesting properties, e.g., ability to reversibly bind oxygen [1], catalytic activity in hydrogenation of olefins [2] and transfer of an amino group [3], photochromic properties [4], and complexing ability towards toxic metals [5]. Currently, we have synthesied aseries of Schiff bases to study their coordination mode.…”

Section: Discussionmentioning

confidence: 99%