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1997•Journal of Guangdong Non-ferrous MetalsRequires access

PRESENT STATUS OF MICRO AND FINE GRAIN-SIZED WOLFRAMITE FLOTATION IN OUR COUNTRY

Gao Yude

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Abstract

The present status of wolframite slime flotaton at home and abroad is introduced with regard to the technical flowsheet. flotation reagents, carrier flotation and selective flocculation. Emphasis is laid on the breakthrough of flotation processes and flotation reagents of wolfrahate slime in our country. Recently, the flotation-gravity separation process has been applied in the industrial test for the heated tailings (WO31. 93%) in Shizhuyuan Concentrating Plant. In the reagent regime, benzyl hydroxamic acid has been taken as the main collector and water glass as the main depressant. The industrial test results are as follows: the grade of wolframite concentrate is WO3 69. 75 % with the recovery of 51.73% and the grade of wolframite middlings is WO3 29j.80% with the recovery of 16. 34 %.

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What this paper is about

The present status of wolframite slime flotaton at home and abroad is introduced with regard to the technical flowsheet. flotation reagents, carrier flotation and selective flocculation. Emphasis is laid on the breakthrough of flotation processes and flotation reagents of wolfrahate slime in our country. Recently, the flotation-gravity separation process has been applied in the industrial test for the heated tailings (WO31. 93%) in Shizhuyuan Concentrating Plant. In the reagent regime, benzyl hydroxamic acid has been taken as the main collector and water glass as the main depressant. The industrial test results are as follows: the grade of wolframite concentrate is WO3 69. 75 % with the recovery of 51.73% and the grade of wolframite middlings is WO3 29j.80% with the recovery of 16. 34 %.

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Available abstract

The present status of wolframite slime flotaton at home and abroad is introduced with regard to the technical flowsheet. flotation reagents, carrier flotation and selective flocculation. Emphasis is laid on the breakthrough of flotation processes and flotation reagents of wolfrahate slime in our country. Recently, the flotation-gravity separation process has been applied in the industrial test for the heated tailings (WO31. 93%) in Shizhuyuan Concentrating Plant. In the reagent regime, benzyl hydroxamic acid has been taken as the main collector and water glass as the main depressant. The industrial test results are as follows: the grade of wolframite concentrate is WO3 69. 75 % with the recovery of 51.73% and the grade of wolframite middlings is WO3 29j.80% with the recovery of 16. 34 %.

Key concepts: Wolframite, Tailings, Reagent, Metallurgy, Depressant, Gravity separation, Waste management, Flocculation

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