The Present Conditions of Micro-Fine Disseminated Refractory Oolitic Hematite and Expectation

2013 ◽  
Vol 734-737 ◽  
pp. 211-214
Author(s):  
Shu Xian Liu ◽  
Xiao Long Lu ◽  
Fu Sheng Niu ◽  
Jun Xie
Keyword(s):  
Magnetic Separation ◽  
Complex Structure ◽  
Mineral Processing ◽  
Current Situation ◽  
Practical Significance ◽  
Reverse Flotation ◽  
Sorting Technique

Because of oolitic hematite micro-fine disseminated and complex structure and other characteristics, has been considered the world's mineral processing problems. This paper studies the use of its current situation in China and some traditional sorting techniques such as strong magnetic separation - reverse flotation, flocculation - intensity magnetic separation, magnetic roasting - magnetic, and discuss an efficient sorting technique - the deep reduction, which has important practical significance for oolitic hematite sorting.

Study on Size Distribution of Oolitic Hematite

2008 ◽  
Vol 58 ◽  
pp. 177-182 ◽  
Author(s):  
Li Bing Zhao
Keyword(s):  
Size Distribution ◽  
Complex Structure ◽  
Mineral Processing ◽  
Processing Technology ◽  
Reverse Flotation ◽  
Iron Mine

the processing of oolitic hematite is considered to be one of difficult problems in mineral processing due to finely disseminated and complex structure of ore. The ore property, size distribution, mineralogy and mineral processing technology of refractory oolitic hematite in Longyan Iron Mine of Xuan Steel in Hebei, China is studied in the paper.. The result shows that grade of iron concentrates of 61.34 % and the recovery of 53.07 % are obtained by four stages of grinding, four times of gravity, tertiary HMS and single stages of rougher and scavenger reverse flotation in sequence.

Experimental Research on the Mineral Processing of a Certain Refractory Limonite Ore in Xinjiang

2013 ◽  
Vol 641-642 ◽  
pp. 60-64
Author(s):  
Qing Mei Jia ◽  
Feng Jiu Li ◽  
Ying Li
Keyword(s):  
Magnetic Separation ◽  
Technological Process ◽  
Experimental Research ◽  
Mineral Processing ◽  
Closed Circuit ◽  
Reverse Flotation ◽  
One Stage ◽  
Result Show

According to the ore nature of limonite in Xinjiang，use the technological process of one stage selectrifine high magnetic separation—reverse flotation to the limonite. the result show that at the fineness ore of -200order 60.0%, employ the closed-circuit process ,Limonite concentrates aining above 52.24％ Fe could be obtained at a productive rate of 54.04％ and a recovery of Fe about 67.03％ losed circuit tests, and the numble of finally tailing is 47.76%,29.08%and 32.97%.

Experimental Studies on a Mineral Containing Titanium in Baoding Area

2013 ◽  
Vol 826 ◽  
pp. 34-37 ◽  
Author(s):  
Guo Zhen Liu ◽  
Shu Juan Dai ◽  
Li Mei Bai ◽  
Yu Xin Ma ◽  
Yong Zhang
Keyword(s):  
Magnetic Separation ◽  
High Intensity ◽  
Ph Value ◽  
Experimental Studies ◽  
Mineral Processing ◽  
Shaking Table ◽  
Gravity Concentration

The main elements can be recovered for mineral processing in a mineral containing titanium of Baoding area were Ti, Fe and V, and the elements in the main gangue minerals were Si and Al. Gravity concentration, gravity concentration-high intensity magnetic separation and gravity concentration-flotation tests were performed on the ore sample respectively. The results showed that, in the test of shaking table, when the grinding fineness was -0.074mm 93%, the productivity of concentrate can reach 32.24%; when grinding fineness was -0.074mm 93%, after gravity concentration-magnetic separation, 30.25% of concentrate productivity can be attained; when the grinding fineness was -0.074mm 85%, after gravity concentration-flotation, the productivity of concentrate was 3.31%. Maybe it's the condition of the tests wasn't controlled well, especially adjusting pH value in the flotation stage, it's hard to control, so the results were not very good.

Research on Exploration of Mineral Processing for a Iron Ore

2015 ◽  
Vol 1094 ◽  
pp. 397-400
Author(s):  
Xian Xie ◽  
Zi Xuan Yang ◽  
Xiong Tong ◽  
Ji Yong Li
Keyword(s):  
Magnetic Separation ◽  
Calcium Oxide ◽  
Iron Ore ◽  
Mineral Processing ◽  
Low Grade ◽  
Iron Minerals ◽  
Iron Mineral ◽  
Ore Minerals ◽  
Separation Test

Iron ore minerals are mainly silicate-type iron minerals in raw ore, and its distribution rate was 51.93%; followed by magnetic iron, and its distribution rate was 36.81%; content and distribution rate of other minerals was very low; element grade of iron, phosphorus, sulfur, silica were 11.90%, 0.043%, 0.013% and 45.23%, the main gangue were silica and calcium oxide, recyclable iron minerals mainly is magnetic iron mineral. Due to the grade of iron of raw ore and the amounts of optional magnetite was relatively little, in order to investigate the optional of low-grade ore, weak magnetic separation test and weak magnetic separation tailings-strong magnetic separation test were put into effect.

Sulfur Content Reduction and Iron Grade Improvement of V-Ti Magnetite Concentrate by Combining Reverse Flotation and Magnetic Separation

2012 ◽  
Vol 524-527 ◽  
pp. 1115-1123 ◽  
Author(s):  
Jiu Shuai Deng ◽  
Shu Ming Wen ◽  
Shao Jun Bai ◽  
Mei Fang Xie ◽  
Hai Ying Shen
Keyword(s):  
Magnetic Separation ◽  
Sulfur Content ◽  
Ph Value ◽  
Mineral Resources ◽  
Open Circuit ◽  
Low Grade ◽  
Reverse Flotation ◽  
Magnetic Intensity ◽  
Magnetite Concentrate ◽  
Iron Grade

For low-grade iron ore, smelting costs and resource wastage will be increased. Product quality of such ore is affected adversely by an excessive amount of sulfur. This also causes environmental pollution. In accordance with the vanadium-titanium (V-Ti) magnetite concentrate properties with low iron grade and high sulfur content, the joint process of magnetic separation and flotation was carried out. Magnetic separation was conducted to increase the iron grade, while reverse flotation was used to reduce sulfur content. Results show that the feeding mainly contains titanomagnetite, hematite, and pyrite. The sulfur was primarily found in pyrite. The separation effect was influenced by the grinding fineness, magnetic intensity, collector type and dosage, and pH value. At a grinding fineness of −45 μm accounting for 87%, most of the iron minerals exhibited monomer dissociation. An open-circuit experiment was carried out under the best conditions of magnetic intensity, as well as collector and modifier dosage. Good experimental results were obtained as follows: the iron grade increased to 57.17%, iron recovery was 89.94%, sulfur content decreased from 0.66% to 0.26%, reverse flotation of sulfur foam concentrate contained almost 15.68% sulfur, the upgrade ratio was about 23, and the cobalt in the sulfur concentrate was enriched 20-fold. A method for improving the comprehensive utilization level and effect of mineral resources is provided in this study.

Experimental Study on the Recovery of the Zinc from Iron Tailings in Hebei

2013 ◽  
Vol 641-642 ◽  
pp. 256-261
Author(s):  
Qing Mei Jia ◽  
Feng Jiu Li ◽  
Hui Jing Wang
Keyword(s):  
Experimental Study ◽  
Copper Sulfate ◽  
Mineral Processing ◽  
Reverse Flotation ◽  
Butyl Xanthate ◽  
Zinc Concentrate

This article conducts mineral processing experimental study on a certain iron tailing ore in Hebei. According to the ore characteristics, the final flowsheet of stage grinding - weak magnetic - strong magnetic - anionic reverse flotation is determined to sort the ore. Under the conditions that grinding fineness is -200 mesh accounting for 60.0%, collector is butyl xanthate and activator is copper sulfate, this test can obtain zinc concentrate that grade is 36.25% and recovery is 84.15%

Detection Study on the Mineral Processing Reagents Preparation from Catering Waste Oil and Application on Ore Flotation

2013 ◽  
Vol 699 ◽  
pp. 119-125
Author(s):  
Hui Mei Yu ◽  
Hua Jun Wang ◽  
Ai Fei Yi
Keyword(s):  
Fatty Acid ◽  
Functional Groups ◽  
Unsaturated Fatty Acid ◽  
Iron Ore ◽  
Mineral Processing ◽  
Reverse Flotation ◽  
Waste Oil ◽  
Field Production

The composition of catering waste oil is similar to that of traditional materials for the preparation of fatty acid collectors, which makes it possible to change catering waste oil into fatty acid collector applied to ore flotation. The collectors which come from catering waste oil are detected by FTIR and GC-MS analyses. The FTIR date shows that collectors contains lively carboxyl functional groups and The GC-MS date reveals that those carboxyl functional groups exist in single unsaturated fatty acid and three unsaturated fatty acid. The collectors can be applied to iron ore reverse flotation, apatite flotation, and fluorite flotation. It has better flotation experiment results than the traditional collector that using in field production.

Manifestation of Mental Features of China in Intercultural Communication

2020 ◽  
Vol 9 (3) ◽  
pp. 23-28
Author(s):  
V. Didenko ◽  
Dosmukhamed Nur-Akhmet ◽  
Nadezhda Paudyal ◽  
Larisa Filindash
Keyword(s):  
Intercultural Communication ◽  
Complex Structure ◽  
Communication Process ◽  
Practical Significance ◽  
Cultural Shock ◽  
National Characteristics ◽  
The Relationship

The article is devoted to the national mentality as a factor of intercultural communication. The authors highlight such aspects as the relationship between mentality and ethical and religious teachings on the example of China, and also emphasize the complex structure of these concepts. The article reveals how certain provisions of Confucianism affect the formation of certain mental features and how they, in turn, are manifested in the process of intercultural communication. The article considers the essence of such concepts as “globalization”, “mentality”, “intercultural communication”, “macro-and microsphere of intercultural communication”, “cultural shock”. The article focuses on the consequences of globalization for the modern communication process. The article emphasizes the practical significance and relevance of the problem under consideration, since understanding the mental national characteristics and taking them into account is a necessary factor for successful intercultural communication at all levels.

Application of Intensifying Secondary Concentration Technology in Reverse Flotation of Bauxite

2012 ◽  
Vol 161 ◽  
pp. 6-10 ◽  
Author(s):  
Xiao Lin Zhang ◽  
Jian Jun Fang ◽  
Dian Wen Liu
Keyword(s):  
Recovery Rate ◽  
Fine Particle ◽  
Mineral Processing ◽  
Processing Method ◽  
New Method ◽  
Guizhou Province ◽  
Reverse Flotation

In order to resolve the problem of fine particle flotation in the reverse flotation of bauxite. a new method of intensifying secondary concentration technology was firstly advanced, and author applied it to ore, achieved eximious experimentation index. The reverse flotation tests of intensifying secondary concentration aiming at bauxite from Guizhou province were studied. The results show that diaspore concentrate directly used in the Bayer-mineral processing method can be obtained by using the intensifying secondary concentration technology without pre—desliming. The average A/S of the concentrate is 10.28 with a recovery rate of 85.41%.

scholarly journals Magnetic Separation in South Africa

1985 ◽  
Vol 1 (4) ◽  
pp. 205-232 ◽  
Author(s):  
Ian James Corrans ◽  
Jan Svoboda
Keyword(s):  
South Africa ◽  
Magnetic Separation ◽  
High Intensity ◽  
Mineral Processing ◽  
Dense Medium ◽  
Potential Use

The use of magnetic separators in the various mineral processing facilities in South Africa is described. A large number are used to recover medium in dense medium plants. The manufacture of various types of magnetic separation machines by three local suppliers is highlighted. The potential use of highgradient and/or high–intensity magnetic separation in the recovery of gold, uranium, and phosphate minerals is discussed.

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