Vapor pressure measurement of lead and lead chlorides in FeOT-CaO-SiO2-Al2O3 system

Yan Ling Zhang; Eiki Kasai

doi:10.1016/S1003-6326(15)63902-4

Vapor pressure measurement of lead and lead chlorides in FeO_T-CaO-SiO₂-Al₂O₃ system

Yan Ling Zhang, Eiki Kasai

ENV - Frontier Science for Advanced Environment

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

Vapor pressure of lead and lead chlorides from FeO_T-CaO-SiO₂-Al₂O₃ slag system was measured by using Knudsen effusion method. The results suggest that the vapor pressures of lead and lead chlorides increase with increasing temperature. For the slag systems without chlorine, the logarithm of vapor pressure (lnp) shows highly linear dependency on the reciprocal of temperature (1/T), and higher vapor pressure is observed in the condition where more metallic lead vapor is formed. In this case, the vapor pressure of lead increases with increasing slag basicity (w(CaO)/w(SiO₂)), increasing FeO content and w(Fe²⁺)/w(Fe³⁺) ratio. For the case of slag system with chlorine addition, the total pressures of PbCl₂ and PbCl increase with decreasing basicity and FeO content of slag.

Original language	English
Pages (from-to)	2772-2780
Number of pages	9
Journal	Transactions of Nonferrous Metals Society of China (English Edition)
Volume	25
Issue number	8
DOIs	https://doi.org/10.1016/S1003-6326(15)63902-4
Publication status	Published - 2015 Aug 1

Keywords

Knudsen effusion method
lead chlorides
metallic Pb
smelting process
vapor pressure

ASJC Scopus subject areas

Condensed Matter Physics
Geotechnical Engineering and Engineering Geology
Metals and Alloys
Materials Chemistry

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title = "Vapor pressure measurement of lead and lead chlorides in FeOT-CaO-SiO2-Al2O3 system",

abstract = "Vapor pressure of lead and lead chlorides from FeOT-CaO-SiO2-Al2O3 slag system was measured by using Knudsen effusion method. The results suggest that the vapor pressures of lead and lead chlorides increase with increasing temperature. For the slag systems without chlorine, the logarithm of vapor pressure (lnp) shows highly linear dependency on the reciprocal of temperature (1/T), and higher vapor pressure is observed in the condition where more metallic lead vapor is formed. In this case, the vapor pressure of lead increases with increasing slag basicity (w(CaO)/w(SiO2)), increasing FeO content and w(Fe2+)/w(Fe3+) ratio. For the case of slag system with chlorine addition, the total pressures of PbCl2 and PbCl increase with decreasing basicity and FeO content of slag.",

keywords = "Knudsen effusion method, lead chlorides, metallic Pb, smelting process, vapor pressure",

author = "Zhang, {Yan Ling} and Eiki Kasai",

note = "Funding Information: Foundation item: Project supported by the Japan Oil, Gas and Metals National Corporation (JOGMEC); Project (51474021) supported by the National Natural Science Foundation of China Corresponding author: Yan-ling ZHANG; Tel: +86-10-82375842; Fax: +86-10-82375828; Email: zhangyanling@metall.ustb.edu.cn DOI: 10.1016/S1003-6326(15)63902-4",

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AU - Zhang, Yan Ling

AU - Kasai, Eiki

N1 - Funding Information: Foundation item: Project supported by the Japan Oil, Gas and Metals National Corporation (JOGMEC); Project (51474021) supported by the National Natural Science Foundation of China Corresponding author: Yan-ling ZHANG; Tel: +86-10-82375842; Fax: +86-10-82375828; Email: zhangyanling@metall.ustb.edu.cn DOI: 10.1016/S1003-6326(15)63902-4

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N2 - Vapor pressure of lead and lead chlorides from FeOT-CaO-SiO2-Al2O3 slag system was measured by using Knudsen effusion method. The results suggest that the vapor pressures of lead and lead chlorides increase with increasing temperature. For the slag systems without chlorine, the logarithm of vapor pressure (lnp) shows highly linear dependency on the reciprocal of temperature (1/T), and higher vapor pressure is observed in the condition where more metallic lead vapor is formed. In this case, the vapor pressure of lead increases with increasing slag basicity (w(CaO)/w(SiO2)), increasing FeO content and w(Fe2+)/w(Fe3+) ratio. For the case of slag system with chlorine addition, the total pressures of PbCl2 and PbCl increase with decreasing basicity and FeO content of slag.

AB - Vapor pressure of lead and lead chlorides from FeOT-CaO-SiO2-Al2O3 slag system was measured by using Knudsen effusion method. The results suggest that the vapor pressures of lead and lead chlorides increase with increasing temperature. For the slag systems without chlorine, the logarithm of vapor pressure (lnp) shows highly linear dependency on the reciprocal of temperature (1/T), and higher vapor pressure is observed in the condition where more metallic lead vapor is formed. In this case, the vapor pressure of lead increases with increasing slag basicity (w(CaO)/w(SiO2)), increasing FeO content and w(Fe2+)/w(Fe3+) ratio. For the case of slag system with chlorine addition, the total pressures of PbCl2 and PbCl increase with decreasing basicity and FeO content of slag.

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KW - smelting process

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