RESOURCE UTILIZATION OF HIGH-SULFUR BAUXITE OF …
treated high-sulfur bauxite in Guizhou China by reversed flotation. For the concentrate, the sulfur content is 0.44% and the recovery ratio of alumina is 96% (6). Adopting a one-stage flotation process to treat high-sulfur bauxite ore in Guizhou, the concentrate contains 0.15% sulfur and alumina losses are only 6.3% (7).
Life cycle assessment of a typical lead smelting process in …
In this study, we assessed the impact of the lead smelting process in China on the environment using statistical data and a process-based LCA method. The …
(PDF) Sulfur Ore Deposits
PDF | Sulfur Ore Deposits The Cycle of Sulphur Natural occurrence Production Frasch process Surface Sulfur Mining Underground Sulfur Mining Reserves... | Find, read and cite all the …
Clean coal geology in China: Research advance and its future
In China, CCT focuses on a series of technologies, such as mining, transportation, preparation, conversion, and combustion, covering the whole process from mining to utilization of coal (Zheng 1996). In comparison, CCG emphasizes the natural and geological characteristics of coal itself and the cleaning potentials of coal resources.
Analysis of the industrial metabolic processes for sulfur in …
For example, sulfur is involved in the process of using phosphogypsum to produce cement, salt gypsum, and sulfur dioxide. Therefore, tracing the "metabolic" processes of sulfur provides a basis for analyzing the overall resource consumption by the metabolic processes in this park, and this analysis can also reveal the key enterprises …
Geological characteristics and resource potential analysis of …
Abstract: Sulphur is one of the most important basic raw materials in the chemical industry and a key component in fertilizer production. In China, pyrite is the main resource in …
Resource Utilization of High-Sulfur Bauxite of Low …
Resource utilization of high-sulfur bauxite is one of the technical problems for alumina refineries in China. There are rich highsulfur bauxite ores of low-median grade in Chongqing China, which haven’t been utilized until now. Sulfur in …
Sulfur in coal and its environmental impact from Yanzhou …
In this paper, on the basis of the data from the Yanzhou mining district, the distribution and concentrations of sulfur are analyzed and the existing forms of sulfur are studied. The …
Mineralogy and Geochemistry of the M9 High-Sulfur Coal …
The existence of sulfur in coal seams restricts coal mining and utilization. Apart from that, the acid gases such as sulfur dioxide produced by its combustion seriously pollute the environment.
Mineralogy and Geochemistry of the M9 High …
The total coal consumption in 2020 (almost 4.98 billion tons) was the highest globally. Furthermore, medium–high sulfur coal and high-sulfur coal are important coal types in China.
Sulfur Mining In China
Browse sulfur mining mines in China by region—including Anhui, Guizhou, Hunan.
Soil sulfur cycle bacteria and metabolites affected by soil …
The findings from this study suggest that the distribution of sulfur and soil properties in vertical depth soil of different afforestation types in high-sulfur coal mining areas recruit specific bacteria, which drive soil sulfur metabolic conversion and reestablishment of soil sulfur homeostasis, and the shallow layers of the soil were …
Sulfur Removal and Recovery | SpringerLink
Sulfur is essential to life. But certain sulfur compounds, such as hydrogen sulfide (H 2 S) and sulfur oxides (SO x), are poisonous and can devastate the environment.Hydrogen sulfide is a broad-spectrum poison affecting several different systems in the body, especially the nervous system.
Excess sulfur and Fe elements drive changes in soil and
Excess sulfur and Fe elements drive changes in soil and vegetation at abandoned coal gangues, Guizhou China
A multiple isotope (S, H, O and C) approach to estimate …
In the process of coal mining, pyrite oxidation is the key link to drive the change of aquifer water quality, and the product sulfate of pyrite oxidation is the key factor affecting water quality. ... Analysis on hydrochemistry and its control factors in the concealed coal mining area in North China: a case study of dominant inrush aquifers in ...
Desulfurivibrio spp. mediate sulfur-oxidation coupled to …
China is the leading Sb mining country accounting for more than 80% of global production, which has caused severe Sb contamination in major mining areas across southern China . Therefore, there is ...
Sulfur Mining | Processing Equipment | Flow Chart | Cases
Sulfur mining process, how to extract mineral from rock and placer deposit, related processing plant flow chart and layout design. read more.
High-resolution maps of critical loads for sulfur and nitrogen …
Here we present the latest high-quality critical loads for China, based on high-resolution basic data on soil, vegetation, and atmospheric base cations deposition, …
Sulfur in coal and its environmental impact from Yanzhou mining
In this paper, on the basis of the data from the Yanzhou mining district, the distribution and concentrations of sulfur are analyzed and the existing forms of sulfur are studied. The variation of sulfur and its impact on the environments also are described when coal is used.
Microbially-driven sulfur cycling microbial communities …
Microbially-driven sulfur cycling is a vital biogeochemical process in the sulfur-rich mangrove ecosystem. It is critical to evaluate the potential impact of sulfur transformation in mangrove ecosystems. ... 2017), mining (Wang et al., 2016), paper manufacturing, refining, food processing, ... Since S. apetala introduced to China in …
Spatial variation of sulfur in terrestrial ecosystems in China: …
Sulfur storage in the terrestrial ecosystem of China and the sulfur cycle showing key fluxes at Tg S yr −1 (reproduced from Brimblecombe, 2014). 1) The anthropogenic emissions of sulfur dioxide (SO 2) were obtained from the 2015–2020 Annual statistic report on ecological environment in China.
Tracing sulfate sources and transformations of surface
Rapid urbanization and mining activities are exacerbating sulfate (SO 4 2-) pollution in surface water, and the information on its sources and transformations is crucial for understanding the sulphur cycle in mining areas.In this study, the SO 4 2-in the surface water of Huaibei mining area were monitored and the main sources of pollution and …
Ore forming process of magmatic nickel-copper-cobalt …
The deposit was discovered in 1957 and mining began in the same year and closed at the end ... Geological distribution of magmatic copper-nickel-cobalt sulfide deposits in China (modified after Li, 2022 [21]; Map of China outline according to the ... The extent to which sulfur dissolves in silicate melts saturated in an immiscible ...
Gold and antimony metallogenic relations and ore-forming process …
In the northwestern margin of the Youjiang basin (NWYB) in SW China, many Carlin-like gold deposits are highly antimony (Sb)-rich, and many vein-type Sb deposits contain much Au. These deposits have similar ages, host rocks, ore-forming temperatures, ore-related alterations and ore mineral assemblages, but the Au and Sb metallogenic relations and …
Why miners in Indonesia risk their lives to get …
In East Java, Indonesia, hundreds of miners face deadly smoke to mine sulphur, or 'devil's gold', risking respiratory illness and death to haul 200-pound loads of sulphur up crater walls.
Formation processes of groundwater in a non-ferrous metal mining …
Tongling is a significant non-ferrous metal mining city in China, which produces waste that negatively impacts the area's water environment. ... and tailings in the production process of sulfur-containing metal mines have caused the deterioration of water resources, posing great risks to humans and other organisms nearby, and this …
Life cycle assessment on lead–zinc ore mining and beneficiation in China
Due to the insufficient technology and management, the environmental impacts caused by lead-zinc ore mining and beneficiation in China have not been effectively settled. The whole processes of lead-zinc ore mining and beneficiation should be comprehensively explored, so as to formulate practical technical countermeasures …
Frontiers | Mineralogy of Nickel and Cobalt Minerals in …
The dynamic sulfide saturation process and a possible slab break-off model for the giant Xiarihamu magmatic nickel ore deposit in the East Kunlun orogenic belt, northern Qinghai-Tibet plateau, China. Econ.
(PDF) Sulfur Contamination and Environmental …
Open-cast lignite and sulfur borehole mining play a pivotal role in the regional scale of ecosystem contamination and acid mine drainage. Consequently, these aspects are unique for assessing the ...
Spatial and temporal distributions of sulfur species in …
Therefore, the concentrations of various sulfur species in paddy soil profiles were investigated at sites downstream of the Dabaoshan sulfide mining area, South China. No significant differences in water-soluble sulfate (WS), adsorbed sulfate (AS), or total sulfur (TS) were observed between upstream and downstream paddy soil profiles.
Seeking Brimstone: Why Has Mankind Been Mining Sulfur …
Throughout the ages, sulfur has been a highly versatile and indispensable element, utilized by humans for a myriad of purposes.
Sulfur content in coal formed during different geologic
To understand the distribution regularity of sulfur in coal formed during different geologic periods and their related controlling factors, we obtained statistics on the sulfur content in the coal samples from different regions of the Guangxi Province. Based on the results, we drew the following conclusions. First, the contents of the sulfur forms …
Sulfur Mining: Balancing Livehood and Environmental …
The Process of Sulfur Mining: Sulfur mining typically involves extracting sulfur from natural deposits found in volcanic regions or alongside hydrocarbon deposits. The most common method is through the traditional process of elemental sulfur mining, which often takes place in areas with active or dormant volcanoes.