DEVELOPMENT OF SECONDARY ANTIMONY OXIDES FROM METALLURGICAL SLAGS FOR THE APPLICATION IN PLASTIC PRODUCTS

被引：0

作者：

Binz, Florian ^{[1
]}

Friedrich, Bernd ^{[1
]}

机构：

[1] Rhein Westfal TH Aachen, IME Inst Proc Met & Met Recycling, Intzestr 3, D-52056 Aachen, Germany

来源：

ADVANCES IN MOLTEN SLAGS, FLUXES, AND SALTS | 2016年

关键词：

Antimony; Antimony white; Fuming; Modelling;

D O I：

暂无

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Recovery of antimony oxide for use in flame retardants from lead refining residues is evaluated using a fuming approach. A process is designed bottom-up. First, thermochemical calculations are made to determine process boundaries for a fuming process. Hence, a fuming model is created based on activity and vapor pressure data from literature, which is practically investigated using synthetic slag mixtures to describe fuming behavior in the binary Sb2O3-PbO system. The model shows that drosses can not be used in fuming process in their raw form but have to be preconditioned by the reduction of lead oxide. Preconditioning is investigated to define the best parameters in terms of selectivity and antimony enrichment in the oxide phase.

引用

页码：899 / 907

页数：9

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