Collecting agent for low-grade refractory gold ores

A collector, low-grade technology, used in flotation, solid separation, etc., can solve the problems of waste of mineral resources, loss of metal content, and difficulty in finding

Inactive Publication Date: 2012-12-05
NORTHWEST RES INST OF MINING & METALLURGY INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for the flotation of low-grade gold ores containing carbon and high sulfur, due to the affinity of gold, it often coexists with sulfides and is wrapped in gangue minerals and other minerals in the form of fine particles. Dissociation and loss; there are some carbonaceous substances in the ore, which are not easy to remove, and the adsorption of reagents during the beneficiation process affects t

Method used

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  • Collecting agent for low-grade refractory gold ores
  • Collecting agent for low-grade refractory gold ores
  • Collecting agent for low-grade refractory gold ores

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Add the raw materials and weight given in the following table 1 in the stirred tank, stir for 30 minutes, then add 1.5 kg of sodium chloride in the stirred tank according to the weight ratio of butylammonium black drug liquid: sodium chloride=10:1.5 Perform dehydration treatment, stir and mix at room temperature for 30 minutes, let stand for 12 hours, and remove the layered aqueous solution to obtain the collector composition of the present invention. Then the gold ore beneficiation test was carried out with this collector, and the test results are listed in Table 1.

Embodiment 2

[0024] Add the raw materials and weight given in Table 1 in the stirred tank, stir for 30 minutes, add 1.8 kg of sodium chloride in the stirred tank for dehydration, stir and mix at room temperature for 20 minutes, after standing for 12 hours, separate the layers After the aqueous solution is removed, the collector composition of the present invention is obtained. Then the gold ore beneficiation test was carried out with this collector, and the test results are listed in Table 1.

Embodiment 3

[0026] Add the raw materials and weights given in Table 1 into the stirred tank, stir for 30 minutes, add 2.25 kg of sodium chloride in the stirred tank for dehydration, stir and mix at room temperature for 25 minutes, and after standing for 12 hours, separate the layers After the aqueous solution is removed, the collector composition of the present invention is obtained. Then the gold ore beneficiation test was carried out with this collector, and the test results are listed in Table 1.

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Abstract

The invention discloses a collecting agent for low-grade refractory gold ores. The collecting agent comprises the following materials by weight: 45-55 parts of cyanoethyl diethyl dithionocarbamate, 30-40 parts of allyl alkyl xanthate, and 10-15 parts of liquid ammonium dibutyl dithiophosphate. The collecting agent has dual attributes, such as collecting and bubbling, the selectivity is good, the collecting capacity is strong, and the concentrate grade and the recovery rate can be effectively improved in a pH value range of from 8 to 8.5, thereby being the high-efficiency collecting agent for low-grade refractory gold ores.

Description

technical field [0001] The invention relates to a flotation agent for gold ore, in particular to a low-grade refractory gold ore collector for low-grade refractory gold ore. Background technique [0002] The demand for metals in today's world continues to grow, while mineral resources are increasingly depleted. The price of rare and precious metals keeps soaring. Some mining enterprises and small-scale processing plants hope to find highly selective and efficient mineral processing agents to strengthen the gold ore processing process without changing the original mineral processing process. Maximize the economic and social benefits of the enterprise. [0003] With the decrease of easy-to-smelt gold ore resources, the difficult-to-smelt gold ore has become an important gold extraction resource. The occurrence state and mineral structure composition of gold in the ore are the most fundamental reasons that cause the ore to be difficult to handle. In recent years, great progr...

Claims

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Application Information

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IPC IPC(8): B03D1/016B03D101/02
Inventor 师伟红余江鸿周涛刘守信吴斌黄建芬李振宇
Owner NORTHWEST RES INST OF MINING & METALLURGY INST
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