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RECOVERY OF MOLYBDENUM FROM AMMONIA LEACHING RESIDUE BY PRESSURE LEACHING

Shufang Wang

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Abstract

A new process is implemented to leach the molybdenum residue by oxygen pressure alkaline leaching.The optimum technological conditions are as follows: leaching temperature is 453 K,leaching period is 2 hours,partial pressure of oxygen is 200 kPa,L∶ S is 2,the moral ratio(Na2CO3/Mo) is 2.5.Molybdenum extraction is more than 96%.The pressure leaching process has the advantages of leaching molybdenum,environmentally friendly,high economic returns,and etc.

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What this paper is about

A new process is implemented to leach the molybdenum residue by oxygen pressure alkaline leaching.The optimum technological conditions are as follows: leaching temperature is 453 K,leaching period is 2 hours,partial pressure of oxygen is 200 kPa,L∶ S is 2,the moral ratio(Na2CO3/Mo) is 2.5.Molybdenum extraction is more than 96%.The pressure leaching process has the advantages of leaching molybdenum,environmentally friendly,high economic returns,and etc.

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Available abstract

A new process is implemented to leach the molybdenum residue by oxygen pressure alkaline leaching.The optimum technological conditions are as follows: leaching temperature is 453 K,leaching period is 2 hours,partial pressure of oxygen is 200 kPa,L∶ S is 2,the moral ratio(Na2CO3/Mo) is 2.5.Molybdenum extraction is more than 96%.The pressure leaching process has the advantages of leaching molybdenum,environmentally friendly,high economic returns,and etc.

Key concepts: Leaching (pedology), Molybdenum, Oxygen pressure, Ammonia, Selective leaching, Lixiviant, Oxygen, Partial pressure

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