Materials Science and Engineering

黄铁矿渣综合利用

Complex processing of pyrite cinder

A comprehensive technological approach to extract iron, non-ferrous, and precious metals from sulfuric acid production waste (pyrite cinder) using hydrometallurgical, pyrometallurgical, or combined methods. / 一种综合利用硫磺酸生产废渣（黄铁矿渣）提取铁、有色金属和贵金属的综合技术方法，包括湿法冶金、火法冶金或联合工艺。

Knowledge type: 工艺技术
First proposed or discovered
Proposer: Turkey Farm member
Creator: 农场主
Last updated: 2026-10-15 16:00:44

Sub-knowledge points

Hydrometallurgical (acid leaching)Pyrometallurgical (chlorinating firing)Combined (reducing firing - magnetic separation)

Higher-order knowledge points

Economic efficiency assessmentEnvironmental necessity

Main parameters and performance indicators

Iron content: 40–63%Gold content: up to 10–20 g/tProcessing scale: 100 thousand tons/yearPayback period: less than 4 months (excluding R&D)

Open problems

Lack of regulatory incentives for processing man-made wasteInsufficient technology development on an industrial scaleLogistical constraints

Related literature

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Economic efficiency of extracting iron and precious metals from pyrite cinderOpen source

黄铁矿渣综合利用

Sub-knowledge points

Higher-order knowledge points

Main parameters and performance indicators

Open problems

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