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The Differences Between CIP Process and CIL Process

2022-02-07 Xinhai (144)

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Commonly, extraction of yellow metal by cyanidation mainly includes raw product preparation, agitation and leaching, countercurrent carbon dioxide absorption, gold charged carbon desorption, electrolytic deposition, melting and tableting, carbon revitalization. Extraction of yellow metal by cyanidation is well suited for flotation yellow metal concentrate or conspiracy, gravity separation tailings, argillaceous oxide ore and high-graded large gold deposit and the gold ore associated with high-content silver and real estate agent.

The extraction of gold by cyanidation mainly includes CIP and CIL functions, which are similar but different. Take a look at beginning to see The Differences Between CIP Process and CIL Process

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  1. CIP process

The CIP process consists of cyanide leaching, activated carbon dioxide absorption, desorption, and carbon regeneration.

Typically the new (or regenerative) activated carbon is added in the last absorption aquarium, the movement route of the carbon dioxide is from the flow direction of slurry, and eventually, the gold charged carbon is ingested from the first adsorption tank, hence the term "countercurrent seepage of carbon". Typically, the grade of yellow metal in the solution from tailgate to cab of the carbon seepage tank is steadily decreased, and the grade of gold-loaded carbon from the back of the adsorption tank is steadily increased, and finally, it is absorbed from the initial tank. In the countercurrent adsorption of carbon, the desorption carbon or new carbon after pickling and thermal revitalization contain the strongest activity and the most effective adsorption rate, which is able to reduce the yellow metal grade of the final tail of the liquid to the bare minimum, reduce the getting rid of chance of the dissolved gold from the tail the liquid and increase the seepage rate.

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2. CIL process

The CIL process is developed based on the CIP process. The CIL process reduces the number of leaching tanks and shortens the task movement, thus reducing the infrastructure investment and production costs. The particular leaching while sponging boosts the grave kinetics of rare metal, which is helpful to gold leaching and adsorption. As the CIL process has more obvious advantages than the CIP process, it is traditionally used in the gold processing herb around the globe.

There are many considerable distinctions between the CIP process and CIL process in phrases of the process length, the number of co2 stored in the method, carbon concentration, the amount of the sponging tank, the amount of slurry needed to be carried for the charrette series, and the amount of material accumulated in the process.

In short, the carbon in pulp (CIP) process means cyanide leaching first and then adding the activated carbon in the slurry to absorb gold. The carbon in leach (CIL) process means that the activated carbon is added to the leaching tank, the leaching and adsorption are carried out at the same time. In the CIP process, leaching and adsorption are independent operations. In the adsorption operation, the leaching process has been basically completed, and the size, number, and working conditions of the adsorption tank are determined by the adsorption parameters. In the CIL process, the leaching and adsorption operations are carried out simultaneously. Generally, the leaching operation takes a longer time than the absorption operation, so the size, inflation, and dosing of the tank are determined by the leaching parameters.

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