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2021/07/20the role of microorganisms in coal mining
Biotechnology of Microorganisms from Coal Environments: From ...
The underlying mechanisms of the functional roles of bacteria, fungi, and plants in coal-associated sites (abandoned mines, surface coal mines, and post-coal mining activities) and affecting
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Critical steps in the restoration of coal mine soils: Microbial ...
2024/9/1 Aneela et al. (2016) isolated 50 distinct aerobic bacteria and fungi from soil, coal samples, and water samples at coal mine sites. The purified Pseudomonas microorganisms
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Full article: Role of Microorganisms in Extenuation of Mining and ...
2022/2/17 Through biomining process microorganisms are applied to recover precious minerals and metals of commercial significance from mining and industrial waste residues.
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Biotechnology of Microorganisms from Coal Environments: From
The spread of microbiota in the air of an underground hard coal
2023/8/15 Air is a difficult habitat for microorganisms [26] however, due to the high temperature, high relative humidity, and the presence of organic matter, underground hard
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Role of microorganisms in reclamation of coal-mine
Vol. 24 No. 3 - July 2018. Role of microorganisms in reclamation of coal-mine spoils. By: R S Upadhyay 1 and Richa Raghuwanshi 2. Introduction. The fossil fuel coal is largely valued for its energy content. Since the 1880s it has been
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Microorganisms around Coal Mines and Their Application - MDPI
2024/4/30 Coal gangue is a solid waste formed during coal production, and the acid mine drainage it generates during open-pit storage severely pollutes the ecological environment of
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Biotechnology of Microorganisms from Coal
2022/9/2 However, accumulating evidence has revealed the presence of diverse microbial groups in coal environments and their significant metabolic role in coal biogeochemical dynamics and ecosystem ...
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The Role of Microorganisms in Acid Mine Drainage
The Role of Microorganisms in Acid Mine Drainage: A Preliminary Report. The Role of Microorganisms in Acid Mine Drainage: Glacial Geology and the Pleistocene Epoch. Richard Foster Flint. New York: John Wiley; London:
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Sources and succession of microorganisms in industrial coal
2023/6/15 In biosurfactants, almost all microorganisms are external microorganisms. In fact, the flotation system contains internal microorganisms. Päivi Kinnunen pointed out that microorganisms could be introduced into the flotation system from the intake water and ore material [17].During the coal flotation process, raw coal in the coal seams is used as the
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The Role of Microorganisms in the Formation,
2021/11/30 Mine waste rock and drainage pose lasting environmental, social, and economic threats to the mining industry, regulatory agencies, and society as a whole. Mine drainage can be alkaline, neutral, moderately, or
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The role of micro-organisms in the formation of acid mine
This bacteria is found to accelerate the sulphur leaching rate from coal and is indigenous to mine drainages. The paper deals with the nature of mine drainage in the North Eastern Coalfield, Margarita, Assam (India). The drainages from the Margerita group of mines ... “The role of microorganisms in chemical mining”, Mining Engineering, 23/ ...
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Full article: Role of Microorganisms in Extenuation of Mining
2022/2/17 Bioremediation in mineral beneficiation. Microbial remediation technology has engrossed rapid attention in the field of environmental research (Das et al. Citation 2014; Das and Singh Citation 2011; Ghosh and Das Citation 2015).Microorganisms play a significant role in management of these toxic wastes without damaging the environment through
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Review Role of Microorganisms in Mining: Generation of
Role of Microorganisms in Mining: Generation of Acid Rock Drainage and its Mitigation and Treatment N. Kuyucak* Golder Associates Ltd., 1796 Courtwood Cr., Ottawa, ON K2C 2B5, Canada ... Reported characteristics and ranges of ARD for coal mining operations are summarized in Table 1. Usually, metal mining ARD contains a greater variety of metals ...
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Microorganisms in leaching sulfide minerals. - Semantic Scholar
The present study was designed to determine the role of both sulfur and iron oxidizing bacteria in acid formation from museum grade pyrite and marcasite, and from "sulfur balls", the most common sulfuritic constituent of bituminous coal.
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Responses of Natural Microorganisms to Land Reclamation and ...
2024/1/28 Soil microorganisms were considered as the first responders upon land disruption by coal mining and played an important role in land reclamation. In the present review, we aimed to provide insight into the effects of mining and subsequent land reclamation on soil microorganisms and the importance and application of microorganisms in the ...
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Frontiers The Role of Microorganisms in Mobilization and ...
2021/6/15 In addition, the extraction of RE from mine waste or industrial landfill by-products (apatite rock, phosphogypsum waste, red mud, RE mineral mine tailings metallurgical slags, coal ash, incinerator ash and waste water streams) has been the focus of a number of studies (Binnemans et al., 2013; Hammas-Nasri et al., 2016; Antonick et al., 2019 ...
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The spread of microbiota in the air of an underground hard coal mine ...
2023/8/15 Air is a difficult habitat for microorganisms [26] however, due to the high temperature, high relative humidity, and the presence of organic matter, underground hard coal mines can create quite a favorable environment for the movement of microorganisms.Microorganisms can be found in dust and on any organic material used in the
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2022/10/16 2.1. Study Sites and Sample Collection. This study was conducted at Xinjulong coal mine, located in North China (Longgu Town, Juye County, and Shandong Province) (Figure 1).This area belongs to the alluvial proluvial plain of the Yellow River, where the surface water system is relatively developed, including Zhushui River, which receives the mine drainage.
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Critical steps in the restoration of coal mine soils: Microbial ...
2024/9/1 Soil reconstruction is a critical step in the restoration of environments affected by mining activities. This paper provides a comprehensive review of the significant role that microbial processes play in expediting soil structure formation, particularly within the context of mining environment restoration.
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Biotechnology of Microorganisms from Coal Environments: From ...
2022/9/2 However, accumulating evidence has revealed the presence of diverse microbial groups in coal environments and their significant metabolic role in coal biogeochemical dynamics and ecosystem ...
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The role of plants and soil properties in the enzyme activities of ...
The role of plants and soil properties in the enzyme activities of substrates on hard coal mine spoil heaps ... Coal mine spoil heaps provide a good example of newly established habitats that differ from the natural ecosystems present in the ... Geogenic coal is not available to microorganisms, and therefore, despite the high content of organic ...
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Contribution of sulfate-reducing bacteria in the formation of
Abstract. Coalbed hydrogen sulfide (H 2 S) is a toxic and corrosive gas, it’s very important for researching the origin of H 2 S in coalbed and related metabolic characteristics of microbes in the bioconversion of coal. The purpose of this study is to clarify the contribution and influencing factors of bacterial and sulfate-reducing bacterial (SRB) communities in the Taiyuan Formation
获取价格Critical steps in the restoration of coal mine soils: Microbial ...
2024/9/1 Soil reconstruction is a critical step in the restoration of environments affected by mining activities. This paper provides a comprehensive review of the significant role that microbial processes play in expediting soil structure formation, particularly within the context of mining environment restoration.
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Biotechnology of Microorganisms from Coal
2022/9/2 However, accumulating evidence has revealed the presence of diverse microbial groups in coal environments and their significant metabolic role in coal biogeochemical dynamics and ecosystem ...
获取价格The role of plants and soil properties in the enzyme activities of ...
The role of plants and soil properties in the enzyme activities of substrates on hard coal mine spoil heaps ... Coal mine spoil heaps provide a good example of newly established habitats that differ from the natural ecosystems present in the ... Geogenic coal is not available to microorganisms, and therefore, despite the high content of organic ...
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Contribution of sulfate-reducing bacteria in the formation of
Abstract. Coalbed hydrogen sulfide (H 2 S) is a toxic and corrosive gas, it’s very important for researching the origin of H 2 S in coalbed and related metabolic characteristics of microbes in the bioconversion of coal. The purpose of this study is to clarify the contribution and influencing factors of bacterial and sulfate-reducing bacterial (SRB) communities in the Taiyuan Formation
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The ability of bacteria from legume plant roots grown on
one of the alternatives to improve former coal mining land by utilizing soil microorganisms that have a role in soil plant hormone levels, such as auxin-produced root rhizosphere bacteria. This study aimed to isolate and characterize rhizosphere bacteria of legume plant roots grown on former coal mining soil, and to determine qualitatively and ...
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Role of microorganisms in rehabilitation of mining sites, focus
2019/10/1 These natural capacities can be exploited for the bioremediation of mine impacted sites. Microorganisms also play a key role in phytostabilisation, either indirectly by promoting plant growth or directly through metals and metalloids mobilization or immobilization in soils. Thus, microorganisms are important actors of mining sites remediation.
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Reformation of coal reservoirs by microorganisms and its
2024/3/15 The discovery of microorganisms' capacity to degrade coal and produce methane can be traced back to the early 20th century [14], while reports on proprietary microbial biodegradation of coal emerged decades later [15].Currently, numerous studies are focused on the bioconversion of coal, which includes pre-treatment through oxidation [16], optimization of
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Autotrophic bacteria and the formation of acid in bituminous coal mines.
Thiobacillus thiooxidans increases the acid formation from certain types of the pyritic concretions in coal known as sulfur balls, as well as from marcasite. Thiobacillus ferrooxidans increases the acid formed from museum grade pyrite of fine particle size as well as from sulfur balls. A general mechanism for acid formation in coal mines is ...
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The Relationship between Acid Production and the Microbial
2023/10/25 Coal gangue is a solid waste formed during coal production, and the acid mine drainage it generates during open-pit storage severely pollutes the ecological environment of mining areas. Microorganisms play a crucial catalytic role in acidification, and their species and gene functions change during the oxidation process of coal gangue. In this study, the changes
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Role of Bacteria, Archaea and Fungi involved in Methane
348 S. BECKMANN ET AL. FIG. 1. Archaea, Bacteria and fungi in the coal mines. (a, b) Mine timber overgrown by fungi. (c,d) Fungal isolates (Ascomycetes and Basidiomycetes). (e) Biofilm from mine timber (Sybr Green I staining). (f, g) Archaea with vesicles (arrows) from biofilm (Transmission Electron Microscopy). archaea converting acetate to methane (Kr¨uger et al.
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The role of plants and soil properties in the enzyme activities of ...
2021/3/4 Soil enzymes play a crucial role in soil functioning particularly in the cycling of carbon contained within dead organic matter, acquisition of nutrients from organic resources and decomposition ...
获取价格Microbial aspects of acid mine drainage and its bioremediation
2008/12/1 The role of chemolithotrophs such as Acidithiobacillus ferrooxidans, Acidithiobacillus thiooxidans and Leptospirillum ferrooxidans which were isolated from some abandoned mines and processed waste tailings in the generation of acid mine drainage and toxic metal dissolution was discussed. Mechanisms of acid formation and dissolution of copper,
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Coal mining activities driving the changes in bacterial community
2024/10/27 The mechanism of the difference in bacterial community composition caused by environmental factors in the underground coal mine is unclear. In order to reveal the influence of coal mining ...
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Role of Bacteria , Archaea and Fungi involved in Methane Release
2011/5/27 In a Chinese coal mine, the archaeal community was dominated by microorganisms classified as Methanosaeta in coal samples and Methanosarcina in mine water samples (Wei et al. 2013).
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تأسست شركة Henan Lrate للعلوم والتكنولوجيا المحدودة التي تصنع معدات التكسير والطحن الكبيرة والمتوسطة الحجم في عام 1987. وهي شركة مساهمة حديثة مع البحث والتصنيع والمبيعات معًا.
على مدار أكثر من 30 عامًا ، تلتزم شركتنا بنظام الإدارة العلمية الحديث والتصنيع الدقيق والريادة والابتكار. الآن أصبحت LIMING رائدة في صناعة تصنيع الآلات المحلية والخارجية.