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Guide of CIP Gold Extraction Process

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CIP (carbon in pulp) gold extraction process is a method of adding switched on carbon to the cyanide slurry, absorbing the blended rare metal to the turned on carbon, and eliminating gold from the activated carbon. The particular Rare metal CIP process gets free of the slurry cleaning and solid-liquid separating operations, straight utilizes granular triggered co2 to bathe up rare metallic from pulp, and optimizes the, which simplifies the company manufacturing process, increases the leaching efficiency and reduces the availability cost.

Guide of CIP Gold Extraction Process

You will find five main activities for the precious metal CIP process: natural materials preparation, disappointment leaching and adsorbent, gold-bearing carbon desorption, expecting solution electrolysis plus activated co2 recycling where possible.

Step1:Raw Material Preparing

Gold-bearing materials are usually crushed and floor to the compound size perfect for cyanidation, generally -200 fine mesh consider 80-90%, plus remove impurities like wooden potato chips. Next, make full use of the thickener to concentrate plus dehydrate the slurry, increase the attentiveness associated with the slurry in order to 40-42%, and after that perform the leaching functioning.

Step2:Agitation Leaching and Adsorption

Include the cyanide slurry towards the agitation blotting tank (carbon slurry tank), that is the same due to typical cyanidation method, generally five to ten dual impeller frustration leaching tanks. Lime scale plus sodium cyanide are usually included in the particular fish tank, and compact air is exceeded in the fish tank with regard to leaching and blotting. The activated laser is added in order to the fully leaching slurry, as well as being the triggered carbon consumed the particular platinum within the cyanide slurry to convert out to as the gold-bearing carbon dioxide. The leaching time is mostly twenty-four several hours to 24 several hours. In the time frame, the first a couple of containers are widely-used to get preparation, and typically the next four to be able to half a dozen tanks are widely-used for leaching jointly with admission.

Step3:Gold-bearing Carbon dioxide Desorption

The method of removing yellow material from the gold-bearing carbon separated from gold-removing slurry is termed desorption. Generally, there actually are four methods to get desorption currently:

Desorption of thermoplastic salt cyanide alternative

Desorption of low level of caustic salt cyanide solution having ethanol

Desorption involving caustic salt cyanide solution under home heating and strain

Desorption an excellent source of amount caustic salt cyanide solution

Step4:Pregnant Alternative Electrolysis

The real key means of platinum anticipation from desorption alternative is electrolysis. Following desorption of gold-loaded carbon, high-grade currently pregnant solution containing yellow material up to six-hundred g/m3 can be received. Electrolyzing expecting a baby replacement to obtain discolored metal powder, smelting most of the gold dust to obtain gold ingot.

Step5:Activated Carbon Taking

Typically, the stimulated carbon following desorption is primarily pickled with water down sulfuric acid (nitric acid) to take away carbonate and also other rassemblements. After repeatedly regarding return, thermal consideration activation is required to be able to restore the seepage technique of typically carbon.

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