Results 1 to 10 of about 186,870 (267)

Chemical Element Mixtures and Kidney Function in Mining and Non-Mining Settings in Northern Colombia. [PDF]

Int J Environ Res Public Health, 2023
The exposure to chemical mixtures is a problem of concern in developing countries and it is well known that the kidney is the major target organ for toxic elements. This cross-sectional study aimed to estimate the individual and composite mixture effect of a large number of chemical elements on kidney function in gold-mining and surrounding non-mining ...
Rodriguez-Villamizar LA, Medina OM, Flórez-Vargas O, Vilanova E, Idrovo AJ, Araque-Rodriguez SA, Henao JA, Sánchez-Rodríguez LH.   +7 more
europepmc   +3 more sources

Adsorption characteristics of Pb(II) ions on sulfidized hemimorphite surface under ammonium sulfate system

International Journal of Mining Science and Technology, 2023
In this work, the effect of ammonium sulfate on the adsorption characteristics of low-concentration Pb(II) ions on the sulfidized hemimorphite surface was comprehensively investigated.
Xi Zhang, Jiushuai Deng, Yu Wang, Sihao Li, Honghui Zhao, Chang Liu, Zhitao Ma, Zhenwu Sun   +7 more
doaj   +1 more source

Experimental Study on Deashing of High Ash and Refractory Coal Slime by Classification Flotation

Kuangchan zonghe liyong, 2022
Aiming at a certain coal slime in Guizhou, the yield rate of -0.074mm class is 54.19%, the ash content is 40.55%, the yield rate of -0.045 mm class is 40.38%, the ash content is 40.79%, and contains a lot of pearl clay, Clay minerals such as kaolinite ...
Tianshen Lu, Zhengbin Deng, Zhihong Liu, Wei Cheng   +3 more
doaj   +1 more source

Silver recovery from zinc metallurgical sludge – analysis of solutions [PDF]

E3S Web of Conferences, 2017
During the hydrometallurgical process of zinc production, conducted in the ZGH “Bolesław” S.A. in Bukowno [Mine and Metallurgical Plant], about 40,000 tons of sludge is generated. After dehydration in the Larox filter presses, sludge contains ca.
Pietrzyk Stanisław, Palimąka Piotr, Stępień Michał, Krawczykowska Aldona, Tora Barbara, Fatyga Mirosław, Pajor Grażyna, Mańka Arkadiusz   +7 more
doaj   +1 more source

Study on Separation of Gold from Tailings by Combined Floatation-Gravity Beneficiation Flowsheet

Kuangchan zonghe liyong, 2022
A gold tailings in Mianyang contains 0.8 g/t gold, 1.24% sulfur and 3.45% carbon, and the gold mainly existing as particles, intergrowth with gangue minerals and wrapped in iron oxides.
Guang Chen, Kun Yang, Sizhu Chen, Yiming Lin, Ping Xiong, Xiaojun Zhang   +5 more
doaj   +1 more source

Process Optimization of High-Efficiency Leaching of Cadmium from Lead Smelting Smoke Based on RSM

Kuangchan zonghe liyong, 2023
This is an essay in the field of metallurgical engineering. This work aims to investigate and optimize the effects of the leaching parameters on the selective leaching of cadmium from bottom blowing melting furnace dust.
Yaoshan Li, Yuan Liu, Zhaowei Gao, Kan Wen, Hui Guo, Dongyang Zhang   +5 more
doaj   +1 more source

Iron Removal from a High-lithium Coal Fly Ash by Magnetic Separation

Kuangchan zonghe liyong, 2023
This is an essay in the field of mineral processing engineering. In this study, coal fly ash from a power plant in Guizhou was used as the research object.
Jingkun Zang, Wei Cheng, Xueling Pan
doaj   +1 more source

Thermodynamic Studies and Optimization of the Method for Obtaining Neodymium Fluoride for the Production of Magnetic Sensors’ Sensitive Elements

Sensors, 2021
Rare earth metals (REM) with magnetic properties find application in the recently developed high-tech industries. Sensor magnetic systems based on neodymium are increasingly in demand in modern engineering and geological surveys due to their favorable ...
Andrei N. Kropachev, Sergey V. Podrezov, Alexander V. Aleksakhin, Andrey A. Gudilin, Olga A. Kondratyeva, Lyudmila N. Korshunova   +5 more
doaj   +1 more source

Structural graded ore-controlling rule and ore-controlling structural combination pattern of Daliangzi lead-zinc deposit in southwestern Sichuan

地质科技通报, 2023
The Daliangzi lead-zinc deposit is located in the southwestern Sichuan ore concentration area in the southwestern margin of the Yangtze block, and the ore body′s occurrence obviously controlled by the structure.Aiming at the problem of unclear ore ...
Bo Yang, Runsheng Han, Jianbiao Wu, Zhixing Feng, Tianzhu Ding, Peng Wu, Hongsheng Gong, Lingjie Li, Hang Yuan   +8 more
doaj   +1 more source

Discrete Element Simulation Analysis of the Bending and Toppling Failure Mechanisms of High Rock Slopes

Geofluids, 2021
The high rock slope situated in the Southwest stope of Taiping Mining, Inner Mongolia, is subject to dumping failure due to its instability. The dumping body rock layer of this stope shows obvious bending and lowering of the head.
Zhigang Meng, Yongli Hou, Longji Guo, Fengnian Wang, Kuiming Liu, Gan Qi, Juan Ma   +6 more
doaj   +1 more source