How to Use CNLITE Eco-friendly Gold Dressing Agent?

2019-04-03 Views:1788

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CNLITE eco-friendly gold dressing agent is a high-tech gold ore dressing agent that can completely replace sodium cyanide without changing the original gold ore leaching process and beneficiation equipment. It also has the advantages of sodium cyanide and environmental leaching agent. CNLITE eco-friendly gold dressing agent has the characteristics of low toxicity, environmental protection, stable performance, high leaching rate, faster recovery, less consumption, lower cost, ease of use and transportation.

Although CNLITE eco-friendly gold dressing agent is a new product, it has obtained the MSDS and IOS9001 certification.

For customers looking for alternatives to sodium cyanide, when you find the CNLITE eco-friendly gold dressing agent, you must want to know how to use CNLITE eco-friendly gold dressing agent to leach gold. The following article will introduce the use of CNLITE eco-friendly gold dressing agent.

First of all, CNLITE eco-friendly gold dressing agent is solid block, soluble in water, and can be used after being dissolved in water. Its main components are alkali, oxygen, ammonium, calcium and so on. CNLITE eco-friendly gold dressing agent has a wide application range and can be used in gold oxidized ore, primary ore, sulfide ore, cyanide tailings, heap process of gold concentrate, pool leaching, carbon slurry method and other mineral processing techniques.

The usage of CNLITE eco-friendly gold dressing agent in the process of gold oxidized ore, primary ore, sulfide ore, cyanide tailings, gold concentrate heap leaching, pool leaching, carbon slurry (stirring leaching) process is the similar to sodium cyanide, so you can put into use the CNLITE eco-friendly gold dressing agent without modifying the original gold ore beneficiation process and equipment. The pregnant solution and the poor solution in the production process can be reused, and the pregnant solution gold extraction is optimally adsorbed by activated carbon. The gold leaching effect works best when the ambient temperature is above 10 °C. The specific usage steps of CNLITE eco-friendly gold dressing agent are as follows:

Alkalinity

CNLITE eco-friendly gold dressing agent is an alkaline inorganic compound. Use lime, caustic soda (multiple lime, as little as possible to add caustic soda) to do the stabilizer of CNLITE eco-friendly gold dressing agent. The pH of the heap (slurry) is 11±1. After the raw ore is piled up or into the pool, the pH is adjusted to 11 ± 1 by using the precision pH test paper 9.5-13 to detect the water.

Dosage

The dosage of CNLITE eco-friendly gold dressing agent is about 10.0~20.0 (1000-2000g medicine/ton ore) of mineral quantity, but it should be noted that the nature, grade and pH of the ore will affect the dosage of CNLITE eco-friendly gold dressing agent. The dosage of the actual CNLITE eco-friendly gold dressing agent can be calculated according to the potion quality concentration.

Dosing method

At normal temperature, the blocky CNLITE eco-friendly gold dressing agent can be used after being fully dissolved in water (usually added to the flowing water or fully stirred the CNLITE eco-friendly gold dressing agent will accelerate the dissolution of the gold dressing agent; when doing heap leaching, set the dosing tank beside the poor solution pool, so that the backwater after the charcoal can directly wash the CNLITE eco-friendly gold dressing agent, and it can be fully dissolved into the poor liquid pool).

Before the first dosing, the alkalinity of the slurry is adjusted to 10 or more. When the water in the pool is low, the alkali and CNLITE eco-friendly gold dressing agent are added to the inner rinse. Or use two washing buckets to separate the lime and the CNLITE eco-friendly gold dressing agent, so that the chemical is dissolved into the lean liquid pool to dissolve, and at the same time, the concentration of the chemical in the lean liquid pool is uniform. In the case of a heap leaching process, two steps of dosing and spraying can be performed simultaneously.

Initial: Control the potion quality concentration to 1 ‰ (ie, the CNLITE eco-friendly gold dressing agent, water ratio is 1: 1000, that is, 1 kg of CNLITE eco-friendly gold dressing agent plus 1 cubic water), the time is 7-10 days.

Medium term: Control the potion quality concentration to about 0.5 , and the time is 20-30 days.

Later: Control the potion quality concentration to about 0.3, and the time until the end of adsorption.

Calculation of dispensing

The dosage of CNLITE eco-friendly gold dressing agent can refer to the amount of sodium cyanide used during cyanidation. It is recommended to carry out the beneficiation test and refer to the best conditions. In theory, about 1-2 kg / ton of oxidized ore, the potion quality concentration is usually maintained at 0.3-1.2 ‰ or the concentration of chemical drops is 0.075 ~ 0.3 ‰, the concentration of chemical should make appropriate adjustments according to different ore grades and harmful components.

Calculation method of dosing amount: tonic volume = (optimal potion quality concentration value – current measured potion quality concentration value) × dosage of the chemical pool;

For example, the optimal concentration of the potion is 1.3 ‰ (by water), the concentration of the effluent potion is 0.7 ‰, and 500 liters of water in the lean pool, then the calculated amount of replenishment is: (1.3-0.7) × 500 = 300 kg.

Potion concentration

Due to the difference in composition and pH of different ores, when adjusting the concentration of the potion, the best potion concentration (‰) should be calculated according to the optimum concentration of the potion (‰) obtained from the sample test (calculated as follows) :

The concentration of the potion concentration (‰) = the concentration of the potion drop (‰) × 4 (4 is the empirical value)

Example: When the ratio of the potion to the water is 0.08 ‰, the concentration of the potion is calculated according to the formula (‰)=0.08‰×4=0.32‰ (that is, the ratio of the CNLITE eco-friendly gold dressing agent to the water is 0.32:1000)

Finally, the CNLITE eco-friendly gold dressing agent is added according to the calculated ratio.

In summary, when using CNLITE eco-friendly gold dressing agent to extract gold, the operation steps are as follows:

(1) Adjusting the pH of the slurry alkalinity to 11±1.

(2) To ensure that the dosage of the CNLITE eco-friendly gold dressing agent is about ten thousandth to twenty thousandth of the mineral amount.

(3) Before the first dosing, adjust the alkalinity of the slurry to 10 or more, and then ensure the concentration of the alkali and the CNLITE eco-friendly gold dressing agent are uniform, and spray with alkali and gold dressing agent.

(4) The dosage of CNLITE eco-friendly gold dressing agent is calculated according to the formula of dosage, and then refer to the amount of sodium cyanide and the ore dressing test.

(5) Calculate the concentration of the potion according to the concentration of the potion (‰) = the concentration of the potion (‰) × 4 (4 is the empirical value), and then put the CNLITE eco-friendly gold dressing agent proportionally.

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