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Catalysts
Special Issues
Metal-Loaded Zeolite Catalysts
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Metal-Loaded Zeolite Catalysts

A special issue of Catalysts (ISSN 2073-4344).

Deadline for manuscript submissions: closed (15 January 2014)

Special Issue Editor

Prof. Dr. Geoffrey L. Price

E-Mail Website
Guest Editor
Wayne Banes Rumley Endowed Chair in Chemical Engineering Department of Chemical Engineering, University of Tulsa, 800 S. Tucker Drive, Tulsa, OK 74104, USA
Interests: zeolites; zeolite catalysis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Zeolites are known to be capable of supporting active metals such as Pt, Pd, Cu, Ni, etc. They are also extremely well known in the chemical process industries as highly suitable from a processing, regeneration, and handling perspective for large-scale catalysis operations. Indeed, numerous cracking, isomerization, and other processes rely primarily on zeolitic acid catalysis for industrial application.

The marriage of shape-selective catalysis with metal activity through the use of zeolites seems a perfect fit. Yet only a very few such examples that have found industrial application exist. Two such systems that come to mind are Pt/K-L aromatization and Ga/H-MFI light paraffin aromatization catalysts, but even these two well-known systems have found only short-lived rather than widely accepted industrial application. Cu and Fe on MFI catalysts have shown promise as replacements for expensive Pd and Pt automotive emission catalysts, yet none have achieved the demanding properties required for actual application. Many other such examples are known.

This issue invites contributions dealing with metal-loaded zeolites including methods for preparation and activation, deactivation, and stability. Comments regarding the issues surrounding industrial application are especially welcome.

Prof. Geoffrey L. Price
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Catalysts is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • zeolites
  • catalysts
  • catalyst supports
  • metal-loaded zeolites

Published Papers (1 paper)

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Research

1174 KiB  
Article
Selective Synthesis of Gasoline-Ranged Hydrocarbons from Syngas over Hybrid Catalyst Consisting of Metal-Loaded ZSM-5 Coupled with Copper-Zinc Oxide
by Ting Ma, Hiroyuki Imai, Manami Yamawaki, Kazusa Terasaka and Xiaohong Li
Catalysts 2014, 4(2), 116-128; https://doi.org/10.3390/catal4020116 - 23 Apr 2014
Cited by 25 | Viewed by 8573
Abstract
The conversion of syngas (CO + H2) to gasoline-ranged hydrocarbons was carried out using a hybrid catalyst consisting of metal-loaded ZSM-5 coupled with Cu-ZnO in a near-critical n-hexane solvent. Methanol was synthesized from syngas over Cu-ZnO; subsequently, was converted to [...] Read more.
The conversion of syngas (CO + H2) to gasoline-ranged hydrocarbons was carried out using a hybrid catalyst consisting of metal-loaded ZSM-5 coupled with Cu-ZnO in a near-critical n-hexane solvent. Methanol was synthesized from syngas over Cu-ZnO; subsequently, was converted to hydrocarbons through the formation of dimethyl ether (DME) over the metal-loaded ZSM-5. When 0.5 wt% Pd/ZSM-5 and 5 wt% Cu/ZSM-5 among the metal-loaded ZSM-5 catalysts with Pd, Co, Fe or Cu were employed as a portion of the hybrid catalyst, the gasoline-ranged hydrocarbons were selectively produced (the gasoline-ranged hydrocarbons in all hydrocarbons: 59% for the hybrid catalyst with Pd/ZSM-5 and 64% for that with Cu/ZSM-5) with a similar CO conversion during the reaction. An increase in the Cu loading on ZSM-5 resulted in increasing the yield of the gasoline-ranged hydrocarbons, and in decreasing the yield of DME. Furthermore, the hybrid catalyst with Cu/ZSM-5 exhibited no deactivation for 30 h of the reaction. It was revealed that a hybrid catalyst containing Cu/ZSM-5 was efficient in the selective synthesis of gasoline-ranged hydrocarbons from syngas via methanol in the near-critical n-hexane fluid. Full article
(This article belongs to the Special Issue Metal-Loaded Zeolite Catalysts)
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