implications of mining gypsum -
Environmental risk assessment of industrial byproduct
2022年8月8日 · In response to the basic policy of green and low-carbon circular development to solve resource, environmental and ecological problems, gypsum is considered to be a filling material for mine backfilling. To explore the potential risks of
Gypsum mining spoil improves plant emergence and
2022年8月11日 · Purpose Soil pollution is a major problem worldwide. Some anthropogenic activities, such as mining, may exceed soil capacity, causing relevant health and
Life cycle energy and material flow implications of gypsum
2016年3月1日 · Gypsum mining involves drilling and blasting the rock, after which it is loaded onto trucks using front-end loaders and mechanical shovels (Venta, 1997).
Gypsum Data Sheet - Mineral Commodity Summaries
2020年2月7日 · majority of gypsum consumed is used for building plasters, the manufacture of portland cement, and wallboard products. The construction of wallboard manufacturing
Gypsum | Definition, Uses, & Facts | Britannica
Gypsum deposits occur in many countries, but Spain, Thailand, the United States, Turkey, and Russia are among the leading producers. The largest gypsum crystal was found in
Investigation on the Nanjing Gypsum Mine Flooding
Nanjing Gypsum Mine, or NGM, is encountering some engineering challenges in deep underground mining. ... The characteristic scientific phenomena of engineering response
Gypsum Mining | Processing Equipment | Flow Chart
2 天之前 · Gypsum is commonly associated with rock salt and sulfur deposits. It is processed and used as prefabricated wallboard or as industrial or building plaster, used in cement
Socio-economic and Environmental Impact Analysis of
2015年10月27日 · mine The gypsum mine is located at Khothagpa village, some 13 kilometers below Pemagatshel town. It has a total mine area of 26.67 hectares. Mining
Environmental impacts of the gypsum mining operation at
2001年8月11日 · The impacts of quarrying of the gypsum deposits on the environment at Maqna, Tabuk, were evaluated by intensive field studies including in situ testing,
implications of mining gypsum
Gypsum Mining Processing Equipment Flow ChartGypsum is commonly associated with rock salt and sulfur deposits. It is processed and used as prefabricated wallboa. ... Life
Life cycle energy and material flow implications of gypsum
2016年3月1日 · Gypsum mining involves drilling and blasting the rock, after which it is loaded onto trucks using front-end loaders and mechanical shovels (Venta, 1997). Gypsum extraction processes typically use diesel fuel and electric power. ... Implications of gypsum plasterboard recycling in the EU-27.
Lagging Collapse Mechanism of Gypsum-Mined Gob with
2022年1月27日 · Room-pillar technology is the main method used for underground gypsum resource mining. A large area of mined gob with a hanging roof is formed by continuous gypsum rock pillars, which continue to creep until failure occurs due to the long-term load of overlying strata. Once failure occurs, the gypsum-mined gob collapses suddenly and
Gypsum mining spoil improves plant emergence and
2022年8月11日 · Gypsum mining spoil (GS) is a waste material highly produced in gypsum mining industry, which has never been used in soil remediation despite its high potential as amendment of polluted soils ...
Investigation on the Nanjing Gypsum Mine Flooding
Nanjing Gypsum Mine, or NGM, is encountering some engineering challenges in deep underground mining. ... The characteristic scientific phenomena of engineering response to deep rock mass and the implication of deepness. Journal of East China Institute of Technology, 27(1): 1–5. Google Scholar Singh M. M. (1992). Mine Subsidence. SME
Incorporation of trace metals Cu, Zn, and Cd into gypsum:
2020年5月20日 · The coexistence of calcium (Ca 2+), sulfate (SO 4 2−) with trace metal cations (M(II)) can possibly lead to M(II)-gypsum coprecipitation and solid solution formation.However, gypsum's role in the fixation of M(II) is still largely unknown. This study investigated the precipitation of Ca 2+ and SO 4 2− in the presence of M(II) (i.e., Cu 2+,
Gypsum Mining | Processing Equipment | Flow Chart
2 天之前 · Gypsum is commonly associated with rock salt and sulfur deposits. It is processed and used as prefabricated wallboard or as industrial or building plaster, used in cement manufacture, agriculture and other uses. Gypsum Mining. IMAR 7 th Edition. Most of the world’s gypsum is produced by surface-mining operations.
A quantitative study on three-dimensional pore
2019年10月15日 · The application of flue gas desulfurization (FGD) gypsum has been recognized as a feasible measure in enhancing the quality of sodic soils. Quantitative evaluation of the effects of FGD gypsum on three-dimension (3D) pore characteristics is beneficial for understanding the reclamation mechanism of FGD gypsum on sodic soils.
Implications of Geological Conditions on Gas Contents: A
2023年4月18日 · Coalbed methane occurrence and its geological control factors are important for coal and gas co-mining. In recent years, more than 50% of the outburst accidents occurred near the faults and the thickening strips in Chinese mines. Therefore, studying the gas occurrence and its controlling factors is vital to prevent gas disasters in
Preliminary Mineralogical Characterization of Branching
2021年12月2日 · The present study proposes a characterization of textural and mineralogical features of branching selenite gypsum lithofacies from the Monferrato area (NW Italy). This facies is considered to have appeared during the sequence of the primary lower gypsum of the Messinian Salinity Crisis starting from the sixth stratigraphical cycle,
Influence of man's traditional activities on soils and
Person as author : Boesch, H. In : Scientific problems of the humid tropical zone deltas and their implications: proceedings of the Dacca Symposium, p. 301-304 Language : English Year of publication : 1966. book part. Scientific Problems of the H u m i d Tropical Zone Deltas and their Implications Proceedings of the Dacca Symposium Les problèmes
Lagging Collapse Mechanism of Gypsum-Mined Gob with
2022年1月27日 · Room-pillar technology is the main method used for underground gypsum resource mining. A large area of mined gob with a hanging roof is formed by continuous gypsum rock pillars, which continue to creep until failure occurs due to the long-term load of overlying strata. Once failure occurs, the gypsum-mined gob collapses suddenly and
Life cycle energy and material flow implications of gypsum
2016年3月1日 · Gypsum mining involves drilling and blasting the rock, after which it is loaded onto trucks using front-end loaders and mechanical shovels (Venta, 1997). Gypsum extraction processes typically use diesel fuel and electric power. ... Implications of gypsum plasterboard recycling in the EU-27.
Geochemical and mineralogical aspects of sulfide mine
2015年6月1日 · The gypsum content of experimental (control) tailings cells at the Greens Creek mine reached 2.3 ± 0.8 g kg −1 after four years of oxidation (Lindsay et al., 2011a). The largest accumulation of gypsum was observed below the sulfide oxidation zone at a depth of 0.5 m relative to the tailings surface.
Investigation on the Nanjing Gypsum Mine Flooding
Nanjing Gypsum Mine, or NGM, is encountering some engineering challenges in deep underground mining. ... The characteristic scientific phenomena of engineering response to deep rock mass and the implication of deepness. Journal of East China Institute of Technology, 27(1): 1–5. Google Scholar Singh M. M. (1992). Mine Subsidence. SME
Implications of Geological Conditions on Gas Contents: A
2023年4月18日 · Coalbed methane occurrence and its geological control factors are important for coal and gas co-mining. In recent years, more than 50% of the outburst accidents occurred near the faults and the thickening strips in Chinese mines. Therefore, studying the gas occurrence and its controlling factors is vital to prevent gas disasters in
Incorporation of trace metals Cu, Zn, and Cd into gypsum:
2020年5月20日 · The coexistence of calcium (Ca 2+), sulfate (SO 4 2−) with trace metal cations (M(II)) can possibly lead to M(II)-gypsum coprecipitation and solid solution formation.However, gypsum's role in the fixation of M(II) is still largely unknown. This study investigated the precipitation of Ca 2+ and SO 4 2− in the presence of M(II) (i.e., Cu 2+,
Preliminary Mineralogical Characterization of Branching
2021年12月2日 · The present study proposes a characterization of textural and mineralogical features of branching selenite gypsum lithofacies from the Monferrato area (NW Italy). This facies is considered to have appeared during the sequence of the primary lower gypsum of the Messinian Salinity Crisis starting from the sixth stratigraphical cycle,
A quantitative study on three-dimensional pore
2019年10月15日 · The application of flue gas desulfurization (FGD) gypsum has been recognized as a feasible measure in enhancing the quality of sodic soils. Quantitative evaluation of the effects of FGD gypsum on three-dimension (3D) pore characteristics is beneficial for understanding the reclamation mechanism of FGD gypsum on sodic soils.
(IUCr) 1 01 contact twins in gypsum experimentally
Identifying the impurities that are able to promote the selection of specific gypsum twin laws has relevance for geological studies aimed at interpreting the gypsum depositional environments in ancient and modern deposits. The results of this study provide new insights into the mineralogical implications of twinned gypsum crystals and should help future
Influence of man's traditional activities on soils and
Person as author : Boesch, H. In : Scientific problems of the humid tropical zone deltas and their implications: proceedings of the Dacca Symposium, p. 301-304 Language : English Year of publication : 1966. book part. Scientific Problems of the H u m i d Tropical Zone Deltas and their Implications Proceedings of the Dacca Symposium Les problèmes
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