NATURE AND SOURCE OF COPPER SMELTER PARTICULATE EMISSIONS.

被引：0

作者：

Whyte Jr., John R. ^{[1
]}

Geiger, Gordon H. ^{[1
]}

Seshan, Krishna ^{[1
]}

机构：

[1] Freeport Minerals Corp, R&D, Cent, Belle Chasse, LA, USA, Freeport Minerals Corp, R&D Cent, Belle Chasse, LA, USA

来源：

Metallurgical transactions. B, Process metallurgy | 1984年 / 15 B卷 / 04期

关键词：

AIR POLLUTION - Particulate Emissions - FURNACES; METALLURGICAL - Dust Abatement - PARTICLE SIZE ANALYSIS - SEPARATORS - Electrostatic;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Particles from the inlet, outlet, and bin of electrostatic precipitators (ESPs) operating on copper reverberatory furnace and converter off-gas streams were characterized by their chemical, mineralogical, morphological, and electrical properties. Reverberatory furnace particles, nominally less than 10 microns in size, are believed to be formed by condensation of PbSO//4 and ZnSO//4 onto oxide particles (Fe//3O//4, Cu//2O, SiO//2) originating in the slag or concentrate. The very fine particles from the dual-nature converter dust were similar in characteristics and probably in origin to the reverberatory furnace particles. The coarse (up to 500 microns) slag (Fe//3O//4, SiO//2) and matte (Cu//2S, Cu) particles in the converter samples probably arose from entrainment by flowing or bubbling gases. The properties of all three sample portions varied depending on the source of the sample and the effectiveness of electrostatic precipitation.

引用

页码：617 / 622

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