Research for Mineral Processing on a Copper Oxide Ore in Yunnan

2014 ◽  
Vol 556-562 ◽  
pp. 193-196
Author(s):  
Zhi Guo Zhang ◽  
Quan Jun Liu ◽  
Jin Cheng Ran
Keyword(s):  
Copper Oxide ◽  
Mineral Processing ◽  
High Recovery ◽  
Copper Ore ◽  
Copper Concentrate ◽  
High Oxidation ◽  
Concentrate Grade ◽  
Oxidation Ratio

For the characteristic of the high oxidation ratio and the high intergrowth ratio,the copper ore belongs to a kind of refractory ore.It could not get qualified concentrate and high recovery with the traditional flowsheet and general reagent system.In the case of stable grade of copper concentrate,the recovery of copper using composite reagent system could have a reasonably improve,which could reach to 84.49% at the copper concentrate grade of Cu 20.91%.

Recovery Cu from a Copper Oxide Ore by Flotation and Leaching

2014 ◽  
Vol 522-524 ◽  
pp. 1484-1487
Author(s):  
Chao Lv ◽  
Shu Ming Wen ◽  
Shao Jun Bai ◽  
Yi Jie Wang ◽  
Ci Yun Chen
Keyword(s):  
Copper Oxide ◽  
Acid Leaching ◽  
Low Grade ◽  
Liquid Ratio ◽  
Total Recovery ◽  
Flotation Tailings ◽  
Copper Concentrate ◽  
High Oxidation ◽  
Oxidation Ratio ◽  
Leaching Efficiency

The copper oxide ore is high oxidation ratio and the high combination ratio with a low grade of Cu 0.71%. Copper concentrate of Cu 15.02% with a recovery of 38.55% was obtained by flotation. The optimum acid leaching conditions were investigated. Effects of lixiviant concentration, solid-to-liquid ratio, leaching time were investigated. The acid leaching efficiency was 78.75% relative to flotation tailings. By the combination of flotation and acid leaching flotation tailings, most of the Cu in the minerals can be enriched, the total recovery of copper reached 86.85%.

Experimental Study of Floatation on Non-Independent Copper Oxide Ore from Jilin Province in China

2012 ◽  
Vol 581-582 ◽  
pp. 851-855
Author(s):  
Rong Dong Deng ◽  
Quan Jun Liu ◽  
Xiao Feng Yang ◽  
Ting Hu ◽  
Feng Hong Ye
Keyword(s):  
Copper Oxide ◽  
Copper Sulfide ◽  
Jilin Province ◽  
High Grade ◽  
High Recovery ◽  
Copper Ore ◽  
Sulfide Ore ◽  
Mineralogical Study ◽  
Oxide Minerals ◽  
Copper Sulfide Ore

Through the processing of mineralogical study on a copper ore from Jilin province in China, it found that the copper exist mostly with the form of chalcopyrite, and others exist with the form of copper oxide minerals which with complex ingredient. The copper oxide minerals are due to the altered of the edge of chalcopyrite, and have not formed the independent copper oxide ore. It belongs to unconventional hard-to-beneficiate copper ore. Coarse grinding fineness and bulk floatation was used to recover the copper oxide ore and copper sulfide ore by using amino double phosphoric acid and butylamine dithiophosphate as the collector. This process was similar to the carrier flotation and achieved an effective processing of the copper oxide ore and obtained a high-grade copper concentrate assaying 15.8% with a high recovery of 82.4%.

Research on Flotation Tests of Sulfide Copper Ore from Yunan

2013 ◽  
Vol 634-638 ◽  
pp. 3466-3471 ◽  
Author(s):  
Yi Jie Wang ◽  
Shu Ming Wen ◽  
Jian Liu ◽  
Qi Cheng Feng ◽  
Meng Yang Lv
Keyword(s):  
Mineral Processing ◽  
Copper Recovery ◽  
Closed Circuit ◽  
Iron Deposit ◽  
Flow Sheet ◽  
Optimum Conditions ◽  
Butyl Xanthate ◽  
Copper Ore ◽  
One Stage ◽  
Concentrate Grade

The mineral processing flow sheet and reagent system of flotation copper minerals from a large copper-iron deposit in Yunnan were fully investigated. The results indicate that the optimum conditions for flotation of copper minerals from the material were identified as grinding fineness of 85%, dosage of CaO at 2000g/t , dosage of Na2S at 200 g/t, dosage of butyl xanthate 40g/t. Under such a condition, a copper recovery of 88.17% with a concentrate grade of 26.86% was achieved from the material using a closed circuit flow sheet of "one-stage roughing flotation, one-stage cleaning flotation and one-stage scavenging flotation.

Study on Beneficiation of a Low-Grade Refractory Copper Oxide Ore in Tajikistan

2013 ◽  
Vol 676 ◽  
pp. 85-88
Author(s):  
Peng Ding ◽  
Quan Jun Liu ◽  
Wen Hao Pang
Keyword(s):  
Experimental Investigation ◽  
Copper Oxide ◽  
Oxidation Rate ◽  
Recovery Rate ◽  
Refractory Oxide ◽  
Low Grade ◽  
Copper Ore ◽  
Flotation Process ◽  
High Oxidation ◽  
Process Mineralogy

Experimental investigation was conducted on a low-grade copper ore in Tajikistan with grade of 0.89% and oxidation rate of 99%, which belongs to refractory oxide copper with low-grade and high oxidation rate. According to the property of process mineralogy, using vulcanization xanthate flotation process, determined once rough concentration, three times cubic concentration and three times scavenger concentration process, eventually obtained copper concentrate with grade of 15.26% and recovery rate of 85.90%.

The Research of Complex and High Oxidation Copper Flotation

2013 ◽  
Vol 316-317 ◽  
pp. 777-781
Author(s):  
Jun Long Yang ◽  
Quan Jun Liu ◽  
Yan Hua Guo ◽  
Hong Xiao ◽  
Mei Guang Jiang
Keyword(s):  
Copper Oxide ◽  
Oxidation Rate ◽  
Recovery Rate ◽  
Copper Concentrate ◽  
High Oxidation ◽  
Copper Flotation

A kind of high oxidation rate and complex to concentrate copper oxide ore has been studied. The run-of-mine grade of Copper was 2.54%, with the oxidation rate of 79.13%. And the grade of Silver was 80g/t. The optimal grinding fineness was about to 71%. Use the best reagent combination which obtained by condition test, the final results was that the grade of Copper concentrate was 15.20% and the recovery rate was 56.85%, included silver 793.50 g/t.

Recovery Copper from a Low Grade and Ultra-Fine-Grained Dissemination Mixed Copper Ore by Flotation

2013 ◽  
Vol 734-737 ◽  
pp. 962-966
Author(s):  
Yong Jun Xian ◽  
Shu Ming Wen ◽  
Hai Ying Shen ◽  
Qi Nie
Keyword(s):  
Yunnan Province ◽  
Copper Recovery ◽  
Test Scheme ◽  
Low Grade ◽  
High Recovery ◽  
Copper Ore ◽  
Copper Concentrate ◽  
Fine Grained ◽  
Ultrafine Grinding ◽  
Low Dosage

The present study aims to characterize the copper ore from east area of Yunnan province. The results indicate that the ores is a representative low grade and and ultra-fine-grained ore. As a result, a suitable flotation flow i.e. “ultrafine grinding- sulphidizing and dispersing - bulk flotation with low dosage collector” was presented for processing of eligible copper concentrate with high recovery and the main factors i.e. grinding fineness, regulators types and dosage and collector dosage affecting the indexes of roughing concentration was investigated. As a result, a close-circuit flotation test scheme was proceeded, which obtained a high quality copper concentrate with Cu grade of 25.12%, copper recovery of 87.63%. This index is successful in the aim of recovery copper for such mixed copper ore.

Separation Test of Oxide Copper Ore in Yunnan

2013 ◽  
Vol 470 ◽  
pp. 80-83 ◽  
Author(s):  
Jin Cheng Ran ◽  
Quan Jun Liu ◽  
Zhi Guo Zhang
Keyword(s):  
Experimental Research ◽  
Precious Metal ◽  
Closed Circuit ◽  
Refractory Oxide ◽  
Copper Ore ◽  
Copper Sulfides ◽  
High Oxidation ◽  
Oxidation Ratio ◽  
Separation Test

A task of a refractory oxide copper ore in Yunnan has been studied, the grade of copper is 2.76% in crude ore. This ore has high oxidation and deep combination, the oxidation ratio is 42.32% and the combination ratio is 33.01%, so it is difficult oxide copper. Because the sulfide copper in crude ore containing 21.27%, so by experimental research, we decided to adopt the process of floating copper sulfides, and then sulfide oxide copper. In the flotation of oxidized copper minerals, we take the process of desliming, the copper minerals have recycled efficiently, while making a small precious metal--silver has been associated enrichment. Through closed-circuit test, we obtained the final concentrate, which the grade of copper is 20.38%, the recovery of copper is 65.44% and the grade of silver is 80.15g/t.

Study on the Recovery of Sulfur from Multi-Metals Tailings

2013 ◽  
Vol 734-737 ◽  
pp. 1110-1113
Author(s):  
Xiang Wen Lv ◽  
Xiong Tong ◽  
Xian Xie ◽  
Qing Hua Zhou ◽  
Yong Cheng Zhou ◽  
...  
Keyword(s):  
Experimental Research ◽  
Copper Sulfate ◽  
Mineral Processing ◽  
Sulfide Mineral ◽  
Economic Benefits ◽  
Processing Technology ◽  
Environmental Benefit ◽  
New Type ◽  
Concentrate Grade ◽  
Sulfur Containing

A beneficiation experimental research is conducted on sulfur-containing 18.17% multi-metals tailings. On the basis of the traditional mineral processing technology, it introduces X-51, a new type sulfide mineral activator, to instead of copper sulfate. Eventually, the sulfur concentrate grade is 47.51% with the recovery of 92.11%. The effectively recovery of the sulfur is creating good economic benefits and environmental benefit.

Flotation Experimental Study of High-Sulfur Cu-Zn Ore in Yunnan

2014 ◽  
Vol 490-491 ◽  
pp. 160-163
Author(s):  
Zhi Guo Zhang ◽  
Quan Jun Liu ◽  
Jin Cheng Ran
Keyword(s):  
Experimental Study ◽  
Mineral Composition ◽  
Recovery Rate ◽  
Closed Circuit ◽  
Copper Concentrate ◽  
Concentrate Grade ◽  
And Control ◽  
Zinc Concentrate

The experimental ore belongs to high-sulfur Cu-Zn poly-metallic ore, the mineral composition of ore is complex, cupriferous pyrite most are disseminated. The Cu grade of raw ore is 0.76%, Zn grade is 1.48% and S about 25.02%. on the basis of best reagent system and control flotation time, the author did closed circuit process. the results of closed circuit process as follows: the copper concentrate grade is 20.35% and recovery rate is 86.081%; the zinc concentrate grade is 54.32% and recovery rate is 84.20%.

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