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Influencing Mechanism of Zinc Mineral Contamination on Pyrolysis Kinetic and Product Characteristics of Corn Biomass by Changjing Li; Guozhao Ji; Yi Qu; Muhammad Irfan; Kongyun Zhu; Xuexue Wang; Aimin Li is a Environmental Science article available to read on EtoBox.
What is Influencing Mechanism of Zinc Mineral Contamination on Pyrolysis Kinetic and Product Characteristics of Corn Biomass about?
The metal mineral has a complex influence on the thermal decomposition of biomass due to the sophisticated structure of biomass and parallel reactions. Therefore, the influencing mechanisms of metal minerals on biomass decomposition kinetic expressions needed to be thoroughly investigated. In this study, the decomposition of the three major components of biomass was considered separately. The iso-conversional method and integral master-plots method based on thermogravimetry were firstly introduced to explore the kinetic model changes after the introduction of zinc mineral. The thermogravimetric results showed that the presence of zinc mineral had discrepant influences on different biomass components, demoting the fragmentation of hemicellulose while promoting cellulose degradation. In the kinetic analysis, the presence of zinc mineral, the activation energy of three pseudo-components (91.90, 184.64 and 210.91 kJ mol) increased to 178.84, 299.05, and 359.45 kJ mol, respectively. The kinetic models were altered from 2.0-order reaction (F2.0) for hemicellulose, random nucleation (A1.8) for cellulose, and 2.3-order reaction (F2.3) for lignin to F2.8, F3.0, and F3.2, respectively. This
Who reads Influencing Mechanism of Zinc Mineral Contamination on Pyrolysis Kinetic and Product Characteristics of Corn Biomass?
It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- Changjing Li; Guozhao Ji; Yi Qu; Muhammad Irfan; Kongyun Zhu; Xuexue Wang; Aimin Li
- Publisher
- Elsevier BV
- Published
- 2021
- Language
- EN
- Field
- Environmental Science (Physical Sciences)