Frontiers | The Role of Microorganisms in Mobilization and …

 · Rare earth (RE) elements are a group of 17 chemical elements including the 15 lanthanides plus Yttrium and Scandium. RE have been identified as critical elements due to their special properties (e.g., catalytic, metallurgical, nuclear, electrical, magnetic, and luminescent) and various applications in many modern technologies, environment and economic areas. Thus, the demand for RE has ...

COMPOSITION AND ACTIVITY OF BACTERIAL COMMUNITY OF COAL …

chemolithotrophic bacteria, Gorbenko medium for heterotrophic microorganisms and Czapek medium for filamentous fungi [10–13]. Biomass accumulation of microbiocenosis representatives from the investigated coal tailing and definition of their leaching

Role of microorganisms in reclamation of coal-mine spoils

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 primarily and widely used for electric/power generation.

The catalytic role of Acidithiobacillus ferrooxidans for metals extraction from mining – metallurgical resource …

 · The application A. ferrooxidans in bioleaching of metals in mining-metallurgical operations, is possible starting from leaching metals from ores, to leaching of metals from concentrate, till waste Besides that, A. ferrooxidans can be used for pretreatment of acid mine drainage, 53,54 as well as for the pretreatment of gold containing ores to the dissolution of sulfides in which the gold is ...

Roots of Perennial Grasses in the Recovery of Soils Degraded by Coal Mining …

 · Revegetation of degraded soils is crucial to prevent erosion and improve soil structure and quality. We aimed to elucidate the role of the root system of grasses on the reclamation of a soil constructed after coal mining. In Candiota city, in Brazil, perennial grasses (Hemarthria, Paspalum, Cynodon, and Brizantha) were cultivated for 103 months, when soil samples were collected from …

COMPOSITION AND ACTIVITY OF BACTERIAL COMMUNITY OF COAL …

1KomisaroeonKk ksmkS .V,S r U (S Cucl 94 Coal tailing and piles of coal are dangerous for the environment but, on the other hand, they could be considered as significant indust-rial raw materials to obtain rare metals. There are more than 1,100 slagheaps in our

HEAVY METAL RESISTANCE OF MICRORGANISMS ISOLATED FROM COAL MINING …

Bacteria that are resistant to and grow on metals play an important role in the biogeochemical cycling of those metal ions. The present study investigates the resistant of Zinc to microorganisms isolated from coal mining environments of Neyveli. KEYWORDS:

Microbiological Mining

MICROBIAL MINING The central role of bacteria in the leaching of copper from low-grade ore long went unrecognised. The minerals industry now stands to gain from the application of novel methods of microbiological technology by Corale L. Brierley (Published in ...

Assessment of soil quality for agricultural purposes around the Barapukuria coal mining industrial area, Bangladesh: insights …

 · Background Barapukuria coal mine which has been operating from 2002 is situated in such a location that is dependent on agriculture. Pollution from Coal mining poses a huge risk to the ecosystem and surrounding soil. So, there could be some impact of the Barapukuria coal mine on the surrounding soil. The main aim of this study is to identify the soil quality of the study area and also see …

The role of micro-organisms in the formation of acid mine …

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 are found to be acidic with high sulphate ranging up to 1500 ppm and iron content rising up to 40 ppm. The total sulphur in coals is up to 7% out of which 50–80% is non-reactive organically found sulphur. The acidity mainly arises from the ...

Response of Soil Microbes to Vegetation Restoration in Coal …

Vegetation restoration is an available way to ameliorate degraded lands. In order to study the response of soil microbes to vegetation restoration in coal mining subsidence areas, the composition and distribution of soil microbes were discussed through three plots

the role of microorganisms in coal mining

the role of microorganisms in coal mining. The soil debris is heaped in the form of dumps known as mine spoil The surface coal mining completely eliminates or harms the existing flora destroys the horizons of a soil profile altering microbial communities displaces or destroys fauna and their habitat reducing biodiversity degrades air quality ...

(PDF) Role of microorganisms in reclamation of coal-mine …

Role of microorg anisms in reclama on of coal-mine spoils. 1 2. R S Upadhyay and Richa Raghuwanshi. 1 Department of Botany, Ins tute of Science, Banaras Hindu University, Var anasi, UP, India. 2 ...

Recent progress in the application of omics technologies in the study of bio-mining microorganisms …

 · Bio-mining is generally divided into bio-leaching and bio-oxidation of minerals, but the principles of these two processes are basically the same. Bio-leaching refers to the dissolution of metal sulfides (e.g. FeS 2, CuS 2 and ZnS) under the action of microorganisms, thereby separating the target metal into the aqueous solution [].

Response of Soil Microbes to Vegetation Restoration in Coal Mining Subsidence Areas at Huaibei Coal Mine…

Vegetation restoration is an available way to ameliorate degraded lands. In order to study the response of soil microbes to vegetation restoration in coal mining subsidence areas, the composition and distribution of soil microbes were discussed through three plots

2003 Hydrogeological investigations of backfilled surface coal mine …

Investigations of Backfilled Surface Coal Mine sites" for fulfilment of the requirements for the award of the degree of Doctor of Philosophy, submitted in the Faculty of Engineering, Division of Mining Engineering, University of Wollongong, is my own work carried out

(PDF) Role of Microorganisms in Mining: Generation of Acid Rock …

 · The role of microorganisms and biotechnology in the generation of ARD and their role in the methods used for prevention, control and treatment are discussed in this paper.

Shifts in Vegetation-Associated Microbial Community in the Reclamation of Coal Mining …

 · Role of the different planting age of seabuckthorn forests to soil amelioration in coal mining subsidence land. Int. J. Coal Sci. Technol. 1, 192. Crossref, Google Scholar Brookes, P.C., and Mcgrath, S.P. (1984). Effect of metal toxicity on the size of the soil.,

Acidithiobacillus ferrooxidans

 · A. ferrooxidans is a Gram negative rod shaped bacterium that is commonly found in deep caves or acid mine drainage, such as coal waste (10, 11, 12). These acidophilic bacteria thrive in optimal pH level of 1.5 – 2.5 where they convert insoluble metals to their soluble state. Even low concentrations (ppm) of these metallic ions would be ...

Microbiological Mining

Microbiological Mining The central role of bacteria in the leaching of copper from low-grade ore long went unrecognized. The minerals industry now stands to gain from the application of novel methods of microbiological technology The recovery of copper from the

Recent progress in the application of omics technologies in the study of bio-mining microorganisms …

 · Bio-mining microorganisms are a key factor affecting the metal recovery rate of bio-leaching, which inevitably produces an extremely acidic environment. As a powerful tool for exploring the adaptive mechanisms of microorganisms in extreme environments, omics technologies can greatly aid our understanding of bio-mining microorganisms and their communities on the gene, mRNA, and …

Cracks Reinforce the Interactions among Soil Bacterial …

Soil microorganisms play a key role in global biogeochemical changes. To understand the interactions among soil bacterial communities and their responses to extreme environments, the soil properties and bacterial community diversity were determined in the post-mining ecosystem of …

Diversity of Eukaryotic Microorganisms in the Drainage Waters of …

 · Abstract— The composition of the microbiome of acid drainage water of a quarry used for the mining of brown coal was studied. The water had a pH of 5.15 and contained 1.4 g/L of sulfate. Unlike acid mine drainage associated with mining of sulfide ores, the content of iron and heavy metals was low. Molecular analysis of the microbial community was performed by high-throughput sequencing of ...

Microbial Diversity of Soil in Some Coal Mine Generated …

 · 117 coal mines and about 60 sq.km of the coalfield have been damaged by mining operations. The total estimated coal production is 950 Mt. Of these mines, twelve are opencast and 105 underground. In 1987-88 these mine produced 12.17

Biohydrometallurgy

 · Biohydrometallurgy is a field that encompasses the overlapping areas of biology and hydrometallurgy. Biology plays an important role in the natural environment. The variety of biological reactions and their relationships with metals in mineral and dissolved forms has resulted in the use of microorganisms in a wide range of metal extraction ...

Autotropic Bacteria and the Formation of Acid in Bituminous Coal …

The Role of Microorganisms in Acid Mine Drainage: A Preliminary Report. Science. 1947 Sep 19; 106 (2751):253–256. [] [Google Scholar] COLMER AR, TEMPLE KL, HINKLE ME. An iron-oxidizing bacterium from the acid drainage of some bituminous coal 59 [] ...

role microorganisms in mining industry

 · The role of Micro-Organisms in the Formation of Acid Mine … One of the major problems encountered by the coal mining industry is … This con£ irms the role of the bacteria as biocatalyst in AMD product ion [9 ] . »More detailed

pH Gradient-Induced Heterogeneity of Fe(III)-Reducing Microorganisms in Coal Mining …

 · Lakes formed because of coal mining are characterized by low pH and high concentrations of Fe(II) and sulfate. The anoxic sediment is often separated into an upper acidic zone (pH 3; zone I) with large amounts of reactive iron and a deeper slightly acidic zone (pH 5.5; zone III) with smaller amounts of iron. In this study, the impact of pH on the Fe(III)-reducing activities in both of these ...

Microbial Community Responses to Vanadium Distributions in Mining Geological Environments and Bioremediation Assessment …

 · Vanadium in the vertical soil profile from TR initially increased and then decreased as the sample depth increased, peaking at TR-S2 (Figure 1b).Table S2 (SI) also lists values of the other physicochemical indicators, indicating pH was positively related to depth; potentially due to oxidation of ammonium to nitrate with the production of H + in upper layers (Li et al., 2017).

Essential Pros and Cons of Mining 2021

 · The mining of coal in the Powder River Basin causes local and global problems, but also benefits local and national economies. Although almost 14% of U.S. carbon emissions come from coal mined from the Wyoming Powder River Basin, almost half of the

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: A Preliminary Report. Arthur R. Colmer and M. E. Hinkle. Science • 19 Sep 1947 • Vol 106, Issue 2751 • pp. 253 - 256 • DOI: 10.1126/science.106.2751.253.

(PDF) Role of microorganisms in reclamation of coal-mine spoils.

Role of microorg anisms in reclama on of coal-mine spoils. 1 2. R S Upadhyay and Richa Raghuwanshi. 1 Department of Botany, Ins tute of Science, Banaras Hindu University, Var anasi, UP, India. 2 ...