Mineralization arsenic fixation and tin recovery synergetic method for high-arsenic tin smoke

Mineralization arsenic fixation and tin recovery synergetic method for high-arsenic tin smoke

The invention relates to a mineralization arsenic fixation and tin recovery synergetic method for high-arsenic tin smoke. The method comprises the following steps that (1) ultrasonic pretreatment is carried out, specifically, the high-arsenic tin smoke is subjected to ultrasonic treatment under an a...

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Hauptverfasser: XIE LINGFANG, LIU WEIWEI, REN SHUAIPENG, TIAN LIN, XIE RONGSHENG
Format: Patent
Sprache:chi ; eng
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CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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creator XIE LINGFANG
LIU WEIWEI
REN SHUAIPENG
TIAN LIN
XIE RONGSHENG
description The invention relates to a mineralization arsenic fixation and tin recovery synergetic method for high-arsenic tin smoke. The method comprises the following steps that (1) ultrasonic pretreatment is carried out, specifically, the high-arsenic tin smoke is subjected to ultrasonic treatment under an airtight condition; (2) micro-powder grading is carried out, specifically, the high-arsenic tin smokecontinues to be subjected to micro-powder grading treatment, and is divided into three grades according to particle size distribution, superfine smoke is subjected to arsenic leaching, coarse smoke is subjected to valuable metal tin recovery, and synthetic smoke returns for ultrasonic pretreatment; (3) selective leaching of arsenic is carried out, specifically, the superfine smoke obtained in a separation mode is subjected to oxygen pressure leaching; (4) leachate catalytic oxidation is carried out, specifically, an iron component is added in leachate to change As3+ in the leachate into As5+in a catalytic oxidation m
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subjects CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
title Mineralization arsenic fixation and tin recovery synergetic method for high-arsenic tin smoke
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