Mechanism of Desulfurization from Liquid Iron by Hydrogen Plasma Arc Melting

被引：12

作者：

Guo, Xiliang ^{[1
,2
]}

Yu, Jianbo ^{[1
,2
]}

Zhang, Yujia ^{[1
,2
]}

Li, Xia ^{[1
,2
]}

Wang, Jiang ^{[1
,2
]}

Liao, Hanlin ^{[3
]}

Ren, Zhongming ^{[1
,2
]}

机构：

[1] Shanghai Univ, State Key Lab Adv Special Steel, Shanghai 200072, Peoples R China

[2] Shanghai Univ, Sch Mat Sci & Engn, Shanghai 200072, Peoples R China

[3] Univ Bourgogne Franche Comte, CNRS, ICB, UTBM,UMR 6303, F-90010 Belfort, France

来源：

METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE | 2018年 / 49卷 / 06期

基金：

中国国家自然科学基金;

关键词：

MOLTEN IRON; IN-SITU; ALUMINOTHERMIC REDUCTION; THERMODYNAMIC ESTIMATION; IMPURITY REMOVAL; METAL; DEOXIDATION; NITROGEN; KINETICS; HYDRIDE;

D O I：

10.1007/s11663-018-1345-1

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this study, desulfurization from liquid iron by Ar and (10 to 40 pct)H-2 + Ar plasma arc melting (HPAM) was examined. The experimental results show that the rate of desulfurization increases as hydrogen is added proportionally to plasma gas. The thermodynamic analysis suggests that the interaction of activated atomic hydrogen and dissolved sulfur in liquid iron, [S] + 2H = H2S; could be taking place. The kinetic analysis confirms that the desulfurization from liquid iron obeys a first-order rate law. (C) The Minerals, Metals & Materials Society and ASM International 2018

引用

页码：2951 / 2955

页数：5

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