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

Publicado 4 números por año

ISSN Imprimir: 1093-3611

ISSN En Línea: 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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EVAPORATION SYNERGIES BETWEEN LEAD AND ZINC CONTAINED IN A FLY ASH MODEL IN ITS TREATMENT BY PTA

Volumen 5, Edición 2, 2001, 18 pages
DOI: 10.1615/HighTempMatProc.v5.i2.50
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SINOPSIS

This study is about the evaporation synergies in the treatment of a fly ash model by a plasma transferred arc (stabilized by an argon flow). The fly ash model, composed of a zeolite matrix impregnated with lead and zinc salts, was treated in batch at room pressure under an argon atmosphere in a laboratory size plasma reactor.
The evaporation rates of lead and zinc were measured on-line by an ICP analysis system, for a fly ash model prepared with a zeolite matrix impregnated with lead and zinc chlorides and sulfates. It allowed to determine the influence of the applied arc power, the model composition and CaO addition on the evaporation rates. The presence of calcium or sodium oxide in the system reduced the melting bath temperature by nearly 200°C and allowed to devote a larger part of the available energy to the evaporation.
A thermodynamic study was made in order to understand the decomposition phenomena of the studied salts. By coupling these results to the enthalpy calculations and the evaporation rate measurements it was possible to suggest evaporation mechanisms.

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