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High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

Publicou 4 edições por ano

ISSN Imprimir: 1093-3611

ISSN On-line: 1940-4360

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 0.4 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.1 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00005 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.07 SJR: 0.198 SNIP: 0.48 CiteScore™:: 1.1 H-Index: 20

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COMBINED EFFECTS OF OXYGEN, CHLORINE AND WATER VAPOR ON THE VAPORIZATION OF HEAVY METALS DURING FLY ASHES VITRIFICATION BY PLASMA

Volume 1, Edição 4, 1997, pp. 441-448
DOI: 10.1615/HighTempMatProc.v1.i4.30
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RESUMO

The vaporization of fly ash from municipal waste incinerators during vitrification by plasma is the result of the complex interaction of 02, Cl2, H20 with a multicomponent molten bath at different temperatures. It is shown theoretically that vaporization rate decreases with 02 partial pressure and that H20 affects mainly the equilibrium pressure of alkali (Na, K). The influence of Cl2 is proved to be temperature dependent. At low temperature (1500 K) the Cl2 pressure increase causes the enhancement of the heavy metals vaporization (Pb and Zn), whereas the effect is negligible at high temperature. The main part of chlorine is associated with Na and K in the fumes.
Concerning the interest of chlorine elimination by ash washing, the theoretical analysis shows the possible decrease of heavy metal evaporation, but it is not observed experimentally due to the modification of electric arc characteristics and bath temperature with and without chlorine.

CITADO POR
  1. Jiao Facun, Chen Juan, Zhang Lian, Wei Yajuan, Ninomiya Yoshihiko, Bhattacharya Sankar, Yao Hong, Ash partitioning during the oxy–fuel combustion of lignite and its dependence on the recirculation of flue gas impurities (H2O, HCl and SO2), Fuel, 90, 6, 2011. Crossref

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