METHOD OF PROCESSING MATERIALS CONTAINING NOBLE METALS Russian patent published in 2001 - IPC

Abstract RU 2176558 C1

FIELD: concentration of minerals; leaching noble metals from gold-bearing raw material. SUBSTANCE: method includes treatment of material, either moistened or dehydrated till filling the pores with water with electromagnetic pulses. Treatment is performed at amplitude of field component intensity exceeding electrical strength of material and duration of pulse edge which is lesser than time of forming spark discharge in air gap equal to thickness of layer of material. After treatment, material is subjected to leaching. Humidification is performed to solid-to-liquid ratio of 3:1 to 3: 1. Humidification is performed with water at acid or alkali reaction. EFFECT: maximum opening of concretions due to forming of passages giving access for leaching solution to particles of noble metals. 3 cl, 1 dwg, 1 tbl

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RU 2 176 558 C1

Authors

Bunin I.Zh.

Vdovin V.A.

Guljaev Ju.V.

Korzhenevskij A.V.

Lunin V.D.

Chanturija V.A.

Cherepenin V.A.

Dates

2001-12-10Published

2000-12-22Filed