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Expanded Granular Sludge Bed-Biological Aerated Filter (EGSB-BAF) integrated system 1

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The scallop moderate longhole blasting 1

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acid leaching 1

anaerobic ammonium oxidation (ANAMMOX) 1

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The theory on small intrusions forming large deposits and its exploration significance—Taking for magmatic Ni-Cu sulfide deposits example in the northwestern of China

Li Wenyuan,Zhang Zhaowei and Chen Bo

Strategic Study of CAE 2015, Volume 17, Issue 2,   Pages 29-34

Abstract: practices have effectively illustrated that the hypabyssal and small intrusion could always form the larger ore

Keywords： mafic-ultramafic intrusions； magmatic Ni-Cu sulfide deposits； small intrusions forming large deposits； oregenesis； prospecting potential    

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Chromium steel from chromite ore processing residue----A valuable construction material from a waste

Jay N. MEEGODA, Wiwat KAMOLPORNWIJIT

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 159-166 doi: 10.1007/s11783-011-0325-3

Abstract: this study is to demonstrate an efficient and optimum way to recover chromium and iron from chromite ore

Keywords： chromite ore processing residue     chromium steel     reduction     thermal treatment     beneficial use    

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The effect of pH, solid content, water chemistry and ore mineralogy on the galvanic interactions between

Asghar Azizi, Seid Ziaoddin Shafaei, Mohammad Noaparast, Mohammad Karamoozian

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 4,   Pages 464-471 doi: 10.1007/s11705-013-1356-z

Abstract: The role of pH, solid content, water chemistry and ore mineralogy on the galvanic interactions betweenand low alloy steel balls were investigated in the grinding of Sarcheshmeh porphyry copper sulfide orechalcopyrite demonstrated typical active-passive-transpassive anodic behavior in the grinding of copper ore

Keywords： steel ball     galvanic interaction     pyrite     chalcopyrite     polarization curves    

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Oxidative leaching kinetics of molybdenum-uranium ore in H

T. A. Lasheen, M. E. El-Ahmady, H. B. Hassib, A. S. Helal

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 1,   Pages 95-102 doi: 10.1007/s11705-013-1317-6

Abstract: The processing of molybdenum-uranium ore in a sulfuric acid solution using hydrogen peroxide as an oxidant

Keywords： leaching of molybdenum     leaching of uranium     kinetics    

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The Basic Characteristics of the Yangbajing Geothermal Field-A Typical High Temperature Geothermal System

Duo Ji

Strategic Study of CAE 2003, Volume 5, Issue 1,   Pages 42-47

Abstract:

The Yangbajing Geothermal Field is one of non-volcanic high-temperature geothermal fields. The Yangbajing convective system consists of two reservoirs at different depth. The shallow reservoir is constitued of loose alluvium of Quanternary and altered granite of Himalaya. Temperature inside the shallow reservoir is in the range of 150〜165℃ at the depth of 180〜280 m. Shallow thermal water is of sodium chlorite type and mixture of deep hot water and cold groundwater. The deep reservoir is in a slip-fault zone of the core complex. It is a veinor zone-shape reservoir. The deep reservoir can be divided into two parts. The upper parts of temperature 251℃ is at depths ranging from 950m to 1350 m. The lower part is below 1850 m , in which the measured temperature is as high as 329℃ . The deep thermal water is of sodium chlorite type, too. Carbon dioxide-is a major non-condensate gas in the shallow and deep reservoir.

Keywords： high temperature geothermal     thermal reservoirs     genesis     Yangbajing     Tibet    

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Magmatic Ore Deposits in Small Rockbody in China

Tang Zhongli

Strategic Study of CAE 2002, Volume 4, Issue 6,   Pages 9-12

Abstract:

There is not any large deposit associated with giant layered igneous complex in China. But superlarge and large magmatic deposits have been discovered in many small intrusions. Therefore, research and exploration direction having great potentialities for the magmatic deposits of small intrusions is defined. The Jinchuan and Panzhihua deposits represent two important types of the magmatic deposits in China.

Keywords： small rockbody     magmatic deposits     exploration    

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Digital Mine Research and Practice Based on Mining and Metallurgy System Engineering

An-lin Shao

Frontiers of Engineering Management 2016, Volume 3, Issue 1,   Pages 67-73 doi: 10.15302/J-FEM-2016006

Abstract: Iron ore is necessarily basic raw material for industrialization and urbanization and related to theThe lean iron ore resource in our country is high-cost and low-efficiency, which cannot meet the demandmining and metallurgy system engineering and realized scale and efficient development of lean iron ore

Keywords： exploration of lean iron ore     mining and metallurgy system engineering     digital mine     wisdom mine    

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Reinforcement of the two-stage leaching of laterite ores using surfactants

Peiyu Zhang, Hairui Wang, Jingcheng Hao, Jiwei Cui

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 3,   Pages 562-570 doi: 10.1007/s11705-020-1946-5

Abstract: A two-stage leaching process, namely, high-pressure acid leaching-atmospheric acid leaching, was used to treat laterite ores under mild conditions. The leaching ratio of Ni was low because of adsorption and incomplete leaching. In this work, surfactants were used as additives to boost the leaching ratio of Ni. The effect of surfactant type (cationic, anionic, and nonionic surfactants) on the leaching ratio of Ni was investigated. Leaching results showed that stearyl trimethyl ammonium chloride (STAC) apparently increased the leaching ratios of valuable metals. The variation in the physicochemical properties of the lixiviant and the residue improved the leaching ratio of Ni in the presence of STAC. Kinetics analysis indicated that the leaching process was controlled by chemical reaction.

Keywords： laterite ore     Ni     surfactant     acid leaching    

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Influence of influent on anaerobic ammonium oxidation in an Expanded Granular Sludge Bed-Biological Aerated Filter integrated system

Daijun ZHANG, Cui BAI, Ting TANG, Qing YANG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 291-297 doi: 10.1007/s11783-010-0270-6

Abstract: Shortcut nitrification-denitrification, anaerobic ammonium oxidation (ANAMMOX), and methanogenesis have been successfully coupled in an Expanded Granular Sludge Bed-Biological Aerated Filter (EGSB-BAF) integrated system. As fed different synthetic wastewater with chemical oxygen demand (COD) of 300–1200 mg·L and of 30–120 mg·L at the outer recycle ratio of 200%, the influence of influent on ANAMMOX in the integrated system was investigated in this paper. The experimental results showed that higher COD concentration caused an increase in denitrification and methanogenesis but a decrease in ANAMMOX; however, when an influent with the low concentration of COD was used, the opposite changes could be observed. Higher influent concentration favored ANAMMOX when the COD concentration of influent was fixed. Therefore, low ratio would decrease competition for nitrite between ANAMMOX and denitrification, which was favorable for reducing the negative effect of organic COD on ANAMMOX. The good performance of the integrated system indicated that the bacterial community of denitrification, ANAMMOX, and methanogenesis could be dynamically maintained in the sludge of EGSB reactor for a certain range of influent.

Keywords： influence of influent     anaerobic ammonium oxidation (ANAMMOX)     shortcut nitrification-denitrification     methano-genesis    

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Research on Development Situation of Ferrous Metal Resources in China

Task Group for the Strategic Research on Great Power of Ferrous Metal Mineral Resources

Strategic Study of CAE 2019, Volume 21, Issue 1,   Pages 97-103 doi: 10.15302/J-SSCAE-2019.01.014

Abstract: The structure of iron resources will also be greatly changed, and the demand for international iron ore

Keywords： iron and steel     steel scrap     iron ore     peak value platform area    

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Review and Outlook of Global Mining Since 2000

Yan Weidong, Guo Juan, Xu Shuguang, Lin Bolei, Sun Chunqiang

Strategic Study of CAE 2019, Volume 21, Issue 1,   Pages 61-67 doi: 10.15302/J-SSCAE-2019.01.009

Abstract:

Since 2000, the global mining industry has fluctuated cyclically with the world economy, and China has become the main driver of the development of global mining. The overall investment in global mineral exploration and development was insufficient, and new discoveries declined. The consumption of mineral products in the world generally increased, and the demand for new energy and new materials such as lithium and cobalt surged. Mining companies have shifted from large-scale expansion to asset restructuring, and invested more cautiously. The mineral resources strategy has been paid widespread attention, and mining regulations and policies generally tightened. Looking into the future, the world’s mineral consumption will continue to rise. South Asia will become a hot spot for mining investment. The energy revolution and artificial intelligence will promote the leap of the global mining industry, and the conflicts of interest in mining will escalate further.

Keywords： world economy     global mining     oil     iron ore     copper    

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Deep-Sea Mining Equipment in China: Current Status and Prospect

Yang Jianmin, Liu Lei, Lyu Haining, Lin Zhongqin

Strategic Study of CAE 2020, Volume 22, Issue 6,   Pages 1-9 doi: 10.15302/J-SSCAE-2020.06.001

Abstract: technological issues to be resolved, and proposes the developing trends of deep-sea heavy operation equipment, ore

Keywords： seabed mineral， deep-sea mining，deep-sea heavy operation equipment，ore transport equipment，sea surface    

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Development Trend and Countermeasures of Nickel Sulfate Industry in China

Ren Xin, Zhang Yanfei, Xing Jiayun, Cui Bojing,Wang Liangchen,Wang Xiao

Strategic Study of CAE 2022, Volume 24, Issue 3,   Pages 40-48 doi: 10.15302/J-SSCAE-2022.03.005

Abstract:

Nickel sulfate—a crucial component of the nickel industry chain—is the core raw material that supports the development of new energy vehicle power batteries, electroplating, and other fields in China. Its industry development trends and technological development directions regarding raw material production, smelting, processing, and recycling have attracted much attention. In this paper, we summarize the current status of nickel sulfate production and technology in China, and analyze the major problems faced by China’s nickel sulfate industry, including inadequate supply of raw materials, high carbon emission intensity, and a deficient recycling system. Moreover, we analyze the development trends and propose the development ideas and goals for the industry by 2035. Furthermore, we propose the following countermeasures for promoting the sustainable development of the industry: (1) establishing an efficient supply system to promote the diversified supply of raw materials; (2) encouraging technological innovation to reduce production costs and supply pressure; (3) accelerating the development of the regenerated nickel industry to promote the consumption of regenerated nickel; and (4) accelerating the internationalization and industrial integration of Chinese enterprises to enhance their core competitiveness.

Keywords： nickel sulfate     laterite nickel ore hydrometallurgy     power battery     recycling    

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Study on Blasting Fragmentation Control for Moderate Deep Hole in Underground Mine

Zhao Yanwei,He Dongmei,Li Xianglong,Liu Junxuan

Strategic Study of CAE 2014, Volume 16, Issue 11,   Pages 48-52

Abstract: for more than 61% of the total amount of mining, but the large output rate restricts the mines for orestrength, The average lump ore as high as 22.7%.10.3%, and the traditional scallop moderate longhole blasting mining compared with the average lump oreThe panel on duty for the day ore quantity increase 152.31t, increase rate is 51.1%.

Keywords： The scallop moderate longhole blasting     the circular moderate longhole blasting     lump ore     blasting effect    

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Researching on the Digital Information Systems of Mine and Its Application

Qin Dexian,Chen Aibing,Yan Yongfeng,Gao Zhiwu,Yang Jianyu

Strategic Study of CAE 2005, Volume 7, Issue 4,   Pages 47-53

Abstract: produce scheme and decision optimization of systems, rational utilization of the resource, searching ore

Keywords： mine digital information systems     dynamic management     rational utilization of resources     ore-forming prediction    

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Title Author Date Type Operation

The theory on small intrusions forming large deposits and its exploration significance—Taking for magmatic Ni-Cu sulfide deposits example in the northwestern of China

Li Wenyuan,Zhang Zhaowei and Chen Bo

Journal Article

Chromium steel from chromite ore processing residue----A valuable construction material from a waste

Jay N. MEEGODA, Wiwat KAMOLPORNWIJIT

Journal Article

The effect of pH, solid content, water chemistry and ore mineralogy on the galvanic interactions between

Asghar Azizi, Seid Ziaoddin Shafaei, Mohammad Noaparast, Mohammad Karamoozian

Journal Article

Oxidative leaching kinetics of molybdenum-uranium ore in H

T. A. Lasheen, M. E. El-Ahmady, H. B. Hassib, A. S. Helal

Journal Article

The Basic Characteristics of the Yangbajing Geothermal Field-A Typical High Temperature Geothermal System

Duo Ji

Journal Article

Magmatic Ore Deposits in Small Rockbody in China

Tang Zhongli

Journal Article

Digital Mine Research and Practice Based on Mining and Metallurgy System Engineering

An-lin Shao

Journal Article

Reinforcement of the two-stage leaching of laterite ores using surfactants

Peiyu Zhang, Hairui Wang, Jingcheng Hao, Jiwei Cui

Journal Article

Influence of influent on anaerobic ammonium oxidation in an Expanded Granular Sludge Bed-Biological Aerated Filter integrated system

Daijun ZHANG, Cui BAI, Ting TANG, Qing YANG

Journal Article

Research on Development Situation of Ferrous Metal Resources in China

Task Group for the Strategic Research on Great Power of Ferrous Metal Mineral Resources

Journal Article

Review and Outlook of Global Mining Since 2000

Yan Weidong, Guo Juan, Xu Shuguang, Lin Bolei, Sun Chunqiang

Journal Article

Deep-Sea Mining Equipment in China: Current Status and Prospect

Yang Jianmin, Liu Lei, Lyu Haining, Lin Zhongqin

Journal Article

Development Trend and Countermeasures of Nickel Sulfate Industry in China

Ren Xin, Zhang Yanfei, Xing Jiayun, Cui Bojing,Wang Liangchen,Wang Xiao

Journal Article

Study on Blasting Fragmentation Control for Moderate Deep Hole in Underground Mine

Zhao Yanwei,He Dongmei,Li Xianglong,Liu Junxuan

Journal Article

Researching on the Digital Information Systems of Mine and Its Application

Qin Dexian,Chen Aibing,Yan Yongfeng,Gao Zhiwu,Yang Jianyu

Journal Article