Chemical Element Mixtures and Kidney Function in Mining and Non-Mining Settings in Northern Colombia. [PDF]
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 +7 more
europepmc +3 more sources
Research on Non-Pillar Coal Mining for Thick and Hard Conglomerate Roof
This article introduces a new non-pillar coal mining technology (i.e., Gob-side Entry Retaining by Roof Cutting (GERRC)) under the condition of thick and hard roofs.
Xiaoyu Liu +3 more
doaj +3 more sources
Ecological and health risks assessment of potentially toxic elements in edible plants across mining and non-mining areas of Northwest, Pakistan [PDF]
The current study evaluated the concentrations, ecological and health risks, and phytoremediation potential of potentially toxic elements (PTEs) in soil and edible plant samples from mining and non-mining areas of District Mohmand, Pakistan.
Irfan Ullah +6 more
doaj +2 more sources
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 +7 more
doaj +1 more source
Experimental Study on Deashing of High Ash and Refractory Coal Slime by Classification Flotation
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 +3 more
doaj +1 more source
Silver recovery from zinc metallurgical sludge – analysis of solutions [PDF]
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 +7 more
doaj +1 more source
Study on Separation of Gold from Tailings by Combined Floatation-Gravity Beneficiation Flowsheet
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 +5 more
doaj +1 more source
Process Optimization of High-Efficiency Leaching of Cadmium from Lead Smelting Smoke Based on RSM
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 +5 more
doaj +1 more source
Iron Removal from a High-lithium Coal Fly Ash by Magnetic Separation
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
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 +5 more
doaj +1 more source

