The typical selection process and production examples of vein gold ore are as follows:

(1) single flotation: Suichang gold beneficiation plant.

(2) Mercury -flotation combined process: Jiapigou Gold Mine Concentrator.

(3) Re-election-amalgamation-flotation: Xiangxi Gold Mine Woxi Concentrator.

(4) Mercury-re-election-flotation: Minnan Gold Mine Gold Field Concentrator.

(5) Re-election - flotation - roasting: Golden Cave Gold Mine Concentrator.

(6) Flotation-Cyanide: Zhaoyuan Gold Mine Linglong Concentrator, Xincheng Gold Mine Concentrator.

(7) Gold mud cyanidation (direct cyanidation): Chaihulanzi gold mine cyanide plant.

(8) Cyanide-carbon slurry: Zhangjiakou Gold Mine Carbon Pulp Plant, Golden Sunshine Gold Mine (USA).

(9) Pressurized Oxidation - Carbon Pulp: McLaughlin Gold Mine (USA).

(10) Thiourea: Longshui Gold Mine Longshuiling Plant.

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