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Saba Shirin
Department of Mining Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi 221 005, India

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Journal article
Published: 26 April 2021 in Applied Sciences
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Acid mine drainage (AMD) occurs naturally in abandoned coal mines, and it contains hazardous toxic elements in varying concentrations. In the present research, AMD samples collected from an abandoned mine were treated with fly ash samples from four thermal power plants in Singrauli Coalfield in the proximate area, at optimized concentrations. The AMD samples were analyzed for physicochemical parameters and metal content before and after fly ash treatment. Morphological, geochemical and mineralogical characterization of the fly ash was performed using SEM, XRF and XRD. This laboratory-scale investigation indicated that fly ash had appreciable neutralization potential, increasing AMD pH and decreasing elemental and sulfate concentrations. Therefore, fly ash may be effectively used for AMD neutralization, and its suitability for the management of coalfield AMD pits should be assessed further.

ACS Style

Saba Shirin; Aarif Jamal; Christina Emmanouil; Akhilesh Yadav. Assessment of Characteristics of Acid Mine Drainage Treated with Fly Ash. Applied Sciences 2021, 11, 3910 .

AMA Style

Saba Shirin, Aarif Jamal, Christina Emmanouil, Akhilesh Yadav. Assessment of Characteristics of Acid Mine Drainage Treated with Fly Ash. Applied Sciences. 2021; 11 (9):3910.

Chicago/Turabian Style

Saba Shirin; Aarif Jamal; Christina Emmanouil; Akhilesh Yadav. 2021. "Assessment of Characteristics of Acid Mine Drainage Treated with Fly Ash." Applied Sciences 11, no. 9: 3910.

Journal article
Published: 26 April 2021 in Environmental Challenges
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The acid mine water body has naturally occurred in the abandoned coal mine. An acid mine water body is the major problem of high sulfur coal mining areas that generate acidic water. The acidic mine water generated contains hazardous toxic elements in varying concentrations. Water samples have been collected from an abandoned mine (Gorbi). Flyash samples have been collected from the various thermal power plants of Singrauli Coalfield. The experiment has done at the laboratory scale. The water sample has been analyzed by analytical techniques, which are pH multiparameter equipment and ICP-ES. The Morphological, geochemical and mineralogical characterization of flyash has been done using available standard techniques SEM, XRF and XRD. The laboratory investigation of the pH value of flyash indicates this has appreciable neutralization potential and may effectively be used to neutralize acid water. This research has tried to develop a treatment method of acid mine water using flyash at a laboratory scale. This paper has suggested mitigation measures and how to control the pollutants so that the ecosystem of the area gets least disturbed by the associated mining activity. The purpose of studying is to assess their suitability for dumping in pit suffering from acid mine drainage.

ACS Style

Saba Shirin; Akhilesh Kumar Yadav. Assessment and suitability for the dumping of flyash in an abandoned mine. Environmental Challenges 2021, 4, 100111 .

AMA Style

Saba Shirin, Akhilesh Kumar Yadav. Assessment and suitability for the dumping of flyash in an abandoned mine. Environmental Challenges. 2021; 4 ():100111.

Chicago/Turabian Style

Saba Shirin; Akhilesh Kumar Yadav. 2021. "Assessment and suitability for the dumping of flyash in an abandoned mine." Environmental Challenges 4, no. : 100111.

Research article
Published: 01 March 2019 in Environmental Quality Management
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The mining industry can be considered the backbone of the Indian economy as well as facilitating the power that drives most of the other industries in the company. The overburden and waste rocks produced during coal mining are major concerns in regard to the amount of land that is required for their disposal, as well as the stability of dumps for these materials, which are of increasing height. Land reclamation issues are also a concern. In this work the adverse impacts caused by the dumping of overburden on land and acidic mine water on water bodies is discussed. Remote sensing tools were used along with the laboratory experimentation to assess the various impacts. This study also shows that silt released from waste dumps, can affected the angle of repose of the overburden dump slope. The angle of repose of the overburden materials varies with particle size composition. Thus, use of in‐pit crushers in large opencast mining operations can effectively reduce the area locked under the waste dumps. The acid neutralization potential of fly ash and overburden for the treatment of acid water was tested in the laboratory by using fly ash and waste rock materials on acidic coalfield water. The results are encouraging, and fly ash may prove to be a good acid neutralizer when used in conjunction of coal overburden material.

ACS Style

Saba Shirin; Aarif Jamal; Pushkar Ranjan; Akhilesh Kumar Yadav. Study on assessment of slope stability and mixed disposal of overburden in voids of Singrauli Coalfield. Environmental Quality Management 2019, 28, 131 -139.

AMA Style

Saba Shirin, Aarif Jamal, Pushkar Ranjan, Akhilesh Kumar Yadav. Study on assessment of slope stability and mixed disposal of overburden in voids of Singrauli Coalfield. Environmental Quality Management. 2019; 28 (3):131-139.

Chicago/Turabian Style

Saba Shirin; Aarif Jamal; Pushkar Ranjan; Akhilesh Kumar Yadav. 2019. "Study on assessment of slope stability and mixed disposal of overburden in voids of Singrauli Coalfield." Environmental Quality Management 28, no. 3: 131-139.