2018 Abstract Volume

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Coal industry's contribution to water-ecosystem through gainful utilisation of mine-water Presenting Author: Co-Authors: Mr. Sekhar Rayaprolu, Western Coalfields Limited, India Dr. Sanjay Kumar, Western Coalfields Limited, India Keywords Asia, Coal Industry, Coal India, Mine Water Highlights Coal India Limited, World’s largest Coal Producer Company has developed an innovative and sustainable model for utilizing mine discharge water from its Coal Mines for different community needs like Drinking Water, Domestic Use, Irrigation, Ground Water recharge, etc. Introduction and objectives Western Coalfields Limited (WCL) a subsidiary of Coal India, operates its mines in Vidarbha region which is considered to be one of the driest regions in India with most reservoirs hitting dead storage levels in summer. WCL has found a sustainable solution to this problem by utilizing its huge volumes of mine discharge water. Objective of this project is to recover this Mine Discharge water from Open Cast and Underground mines and supply it to needy areas. One of our projects Kamptee to Kanhan supplies Mine discharge water from Kamptee Open Cast Mine to drinking water channels of Kanhan Methodology approach WCL initiated its ambitious Mine Water Utilisation Project to utilise its 30 crore litre/day mine water. Several projects were initiated for different purposes like: Supply as Drinking Water to Local Populace Agriculture Use and Augmentation of Ground Water Revival of Ponds and RiversThese projects facilitates overflow of mine discharge water from the sedimentation tank of Mines. High Tension pumps (HTP) are used to drain the water from the mine. The HTPs are located at the deepest locations in the seam/ strata. Water from different working locations is pumped using small water pumps to the HTP location. Analysis and results • For drinking water, WCL Installs RO(Reverse Osmosis) plants and Pressure Filters to supply water to nearby villages and municipalities. Mine water discharge, which is a natural fall out of mining process of the nearby mine is pumped to villages through pipe lines. The water is then purified at RO (Reverse Osmosis) plant and safe drinking water is provided for free of cost to the villagers. • For agriculture use and ground water recharge, WCL drills boreholes adjacent to a seasonal nallah(channels) and discharged the mine water into it (after its widening and de-silting). Check dams are constructed at the downstream of this nallah, which has enabled to raise the water level over a stretch of approximately 1 km of the course of nallah. This raised water level has caused charging of the ground water table and accumulation of water in nearby open wells, which remained dry since the past 30 years. As the nallah passes along the agricultural fields, farmers are also using this water for cultivating their land. Various activities involving: cleaning, deepening of nallah, revival of open well, construction of check dam, preparation of sand pits etc. has been taken up by WCL in this project Seminar: Industry’s role in ecosystem and watershed management 88
Conclusions and recommendation WCL has pioneered in utilizing Mine discharge water for needs of the community in sustainable manner benefiting more than 1,36,000 population. WCL has succeeded in gainful utilization of our mine water and also took a leadership role in replicating this model across other coal companies which have a total mine water discharge potential of 571.6 Million m3/day. WCL has set an example for other mining companies in India and demonstrated successfully that water discharged from Mines can be gainfully used for community benefit. Slowly, this project is changing the way mining industry is looked upon in India. Seminar: Industry’s role in ecosystem and watershed management 89
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ABSTRACT VOLUME Photo: iStock World
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Seminar: Tapping into collective wi
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An alternative gender analytical ap
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Circular economy practices for exot
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Gendered approach in capitalising o
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‘Green Lady of Bihar’ and susta
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Human rights to water and sanitatio
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Integrating indigenous and scientif
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Monitoring SDGs 6, 5 and 14 through
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Women, SDGs and climate related ada
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Seminar: IWRM and ecosystem based a
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Assessing the effectiveness of wate
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Assessing the interconnectedness of
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Can you sue a river? Legal rights a
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Effective stakeholder participation
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Environmental paradigm and water ma
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IWRM and ecosystem, the gap between
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Tracking sustainable infrastructure
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Water for the city: ‘Greening’
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Seminar: Is there such thing as inn
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Adaptive PES: Financing sustainable
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Economic and financial instruments
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Establishing a trans-provincial eco
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Financial sustainability of watersh
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How to upscale financing for ecosys
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miParamo, environmental financing m
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Strengthening enabling conditions f
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Seminar: Investing in freshwater ec
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Balancing built and natural infrast
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Conserving the Lake Tana ecosystem
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Integrating water and energy bills
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Investing in aquatic ecosystems and
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Investing in free-flowing rivers: A
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Making freshwater biodiversity in t
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Private sector engagement with supp
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Understanding freshwater biodiversi
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Water community providers, ecosyste
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Wetworking: A participatory network
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Willingness to accept: Enticing lan
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Seminar: Ecosystems in an urbanisin
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Conclusions and recommendation For
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Conclusions and recommendation Wate
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Integrated approach for blue/green
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Integrating green infrastructure in
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Integrating land use and water mana
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Is really ecosystem development han
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Let nature do the work in the Stock
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Conclusions and recommendation The
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Conclusions and recommendation Our
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The ecosystem in Gaza Strip between
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2018 Abstract Volume

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