Advances in Resource Thermal Conversion and Carbothermal Reduction
A special issue of Minerals (ISSN 2075-163X). This special issue belongs to the section "Mineral Processing and Extractive Metallurgy".
Deadline for manuscript submissions: closed (25 May 2023) | Viewed by 8597
Special Issue Editor
Interests: the efficient recovery of valuable metal elements in failed lithium batteries; the catalytic pyrolysis of low-rank coal, and preparation and characterization of porous materials
Special Issue Information
Dear Colleagues,
Low-rank coal pyrolysis is a clean and efficient technology used to change the method of coal conversion. Coal tar, as well as that produced from other coal pyrolysis technologies, usually has a high content of heavy components. Adopting catalysts is one of the promising techniques for upgrading tar under moderate conditions. Heavy tar can be captured via employing mesoporous and nanoscale materials, such as mesoporous alumina, pyrolytic char, and even iron-smelting slag. Considering these issues, as the core of catalytic cracking, the development of suitable catalysts to optimize the catalytic performance and selectivity of catalysts still needs further improvement. A big problem in the investigation of the mechanism of upgrading tar, carbon formation and the reduction reaction in carbon-infiltrated iron ores during the integrated pyrolysis of different carbon sources and tar decomposition or other catalytic beds is, therefore, the diversity and complexity of the pore structure and the composition of catalysts—specifically, whether carbon deposition occurs in the inner pores after volatiles infiltrate the catalytic beds or the tar is decomposed before the volatiles infiltrate the catalytic beds. Whether this results in the carbon deposition diffusing into the inner pores of the catalytic beds remains elusive and controversial.
This Special Issue is organized into four sections:
Section 1—New coal pyrolysis technology;
Section 2—Mechanism of catalytic pyrolysis and metal phase transition in catalyst;
Section 3—Chemical reactions involved in the coupling process of coal pyrolysis and tar decomposition;
Section 4—Carbothermal reduction reaction of natural ore as tar catalytic cracking bed.
Dr. Hongyu Zhao
Guest Editor
Manuscript Submission Information
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Keywords
- low rank coal, lignite, carbon nanomaterials
- iron ore, metal oxide
- catalytic pyrolysis, tar upgrading
- resource thermal conversion
- carbothermal reduction, carbon deposits
