Sorting method for nickel-containing hard alloy

The invention discloses a nickel-containing hard alloy sorting method which comprises the following steps: concentrated nitric acid and waste hard alloy are reacted, the concentrated nitric acid and nickel can be reacted to generate green nickel chloride, and a reaction product is obtained; and gree...

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Bibliographische Detailangaben
Hauptverfasser:	HU JICHENG, ZHAO LANGANG, ZHANG ZHENZHEN, HUANG YI, FENG HAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY PERFORMING OPERATIONS POSTAL SORTING PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS SEPARATING SOLIDS FROM SOLIDS SORTING SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTEDPIECE-MEAL, e.g. BY PICKING TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	The invention discloses a nickel-containing hard alloy sorting method which comprises the following steps: concentrated nitric acid and waste hard alloy are reacted, the concentrated nitric acid and nickel can be reacted to generate green nickel chloride, and a reaction product is obtained; and green metal is sorted out from the reaction product, and the nickel-containing hard alloy is obtained. The sorting method is low in cost and high in sorting speed. 本发明公开了一种含镍硬质合金的分选方法，包括以下过程：将浓硝酸与废旧硬质合金进行反应，所述浓硝酸能与镍反应生成绿色氯化镍，得到反应产物；从所述反应产物中分选出显示绿色的金属，得到含镍硬质合金。本发明的分选方法成本低、分选速度快。