238:
million tonnes of coal and removed 12 million mof overburden. In 2000, Gevra mine had a plan to expand from 12 million tonnes per annum to 25 million tonnes per annum. Actual production was raised from 18 million tonnes to 26 million tonnes annually in 3½ years. SECL reported that on 18 March 2007, Gevra Open Cast Mine produced 100,000 tonnes of coal, the highest quantity of coal ever produced by any mine or coalfield in India on a single day. Expansion of capacity of Gevra mine from 35 million tonnes annually to 43.75 million tonnes annually has been awaiting environmental clearance since 2009.
38:
45:
230:
301:
has installed capacity of 2,600 MW. It gets coal from Gevra and
Kusmunda mines. Chhattisgarh State Power Generation Company Limited has three power stations in the area: Korba East Thermal Power Station has installed capacity of 440 MW, Dr. Shyama Prasad Mukherjee Thermal Power Station (Korba East)
275:
There is a pronounced degree of contamination in the coal from open cast mines. Such coal often has ash content averaging 40 per cent. Moreover, with multiple sources of supply, the quality is inconsistent. Even 6–8 per cent reduction in ash improves coal quality significantly. Coal preparation, or
266:
The main sources of pollution in the Korba area are coal-based power plants, smelter and open cast mines at Gevra, Dipka and
Kusmunda. Large scale transportation of coal raises a pollution problem. Amongst steps taken or underway to check pollution in the area are: widening and repairs of roads in
262:
In a paper on "Assessment of impact of Coal and
Minerals Related Industrial Activities in Korba Industrial Belt Through Spectroscopic Technique" by Rajesh Kumar, Gurdeep Singh and Asim Kumar Pal, the authors highlighted, "Korba Coalfield has been identified as one of the hot spots and the worst
237:
Gevra mine is an open cast mine complex at the town of Gevra that has been described as the largest open cast mine in India and Asia, as well as the world's second-largest. As of 2011 it has a capacity of 35 million tonnes per annum. It was opened in 1981. During 1999–2000, it produced over 18
280:
are being established in Korba
Coalfields. ACB (India) had set up a washery at Dipka in 1999, gradually upgrading capacity from 1 million tonnes per annum to 12 million tonnes per annum. The KJSL Coal Washery at Dhatura in Pali tehsil has an annual capacity of 2 million tonnes.
197:, total reserves (including proved, indicated and inferred reserves) of non-coking coal (as on 1.1.2004) in Korba Coalfield was 10,074.77 million tonnes, out of which 7,732.87 was up to a depth of 300 m and 2,341.90 million tonnes was at a depth of 300–600 m.
220:
Sub-areas of Korba
Coalfield are: Korba, Surakachhar, Rajgamar, Manikpur, Dhelwadih, Kushumunda and Gevra. The major working coalmines are: Surakachhar, Banki, Balgi, Rajgamar, Pavan, Manikpur, Dhewadih, Singhali, Bagdeva, Kusumunda, Laxman, Gevra and Dipka.
325:
R. Venugopal, T.Sharma, V.K.Saxena, N.R.Mandre (editors), International
Seminar on Mineral Processing Technology, 6–8 January 2005, Jointly organized by Indian School of Mines, Dhanbad and Indian Institute of Mineral Engineers, p. 606, Tata Mc Graw Hill
646:
Physical, Chemical and
Biological Processes of Geoenvironmental Reclamation at Gevra Open Cast Project (SECL) – A Case Study by S.K.Puri, Addl GM, Gevra Project, reproduced in Geoenvironmental Reclamation: International Symposium, 2000, P.413,
200:
The coal mined at Korba coalfield generally has the following characteristics – moisture: 4.5–7.4 per cent, volatile matter: 27.9–39.2 per cent, fixed carbon: 34.1–47.7 per cent, ash content: 11.2–31.6 per cent.
193:
Korba
Coalfield is located between latitudes 22 15 N and 22 30 N and longitudes 82 15 E and 8255 E. Korba Coalfield covers an area of about 530 square kilometres (200 sq mi). According to
1939:
878:
209:
Though coal has been mined in Korba coalfields since 1941, large scale production could be initiated only on completion of the Champa-Korba rail link in 1955.
263:
polluted area in India. There is widespread concern of air pollution due to emission of particulates from various mining and allied activities."
391:
711:
93:
852:
733:
830:
611:
1934:
756:
37:
940:
982:
1949:
910:
734:"Question remains on CIL's expansion projects in Chhattisgarh – Question remains on CIL's expansion projects in Chhattisgarh"
612:"Action Plan – Development of Comprehensive Environmental Pollution Abatement Action Plan for Critically Polluted Area Korba"
331:
1675:
213:
activities in the Korba
Coalfield are now being carried out. Korba Coalfield accounts for a major portion of coal mined by
1542:
267:
Gevra, Dipka and
Kusmunda mines and procurement of Continuous Ambient Air Monitoring Stations at Gevra and Dipka mines.
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885:
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217:. The 2010 production of SECL was 101.15 tonnes, out of which 73.35 tonnes came from Korba Coalfield.
1812:
1777:
1737:
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542:
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has an installed capacity of 1200 MW ,(BCPP) old power plant operated by balco has now been closed.
1908:
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856:
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957:
Photo at the top of the article shows Gevra mine (hover cursor over the image to see caption)
622:
474:
457:
Shri Kamal Sharma, Spatial Framework and Economic Development, p. 158, Northern Book Centre,
290:
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washing as it is commonly referred to, is both economical and environmentally beneficial.
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1355:
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853:"Unit wise Installed Capacity, Date of Commissioning & Date of Commercial Generation"
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500 MW, and Hasdeo Thermal Power Station (Korba West) 840 MW. The captive power plant of
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71:
808:
757:"Beneficiation of Coal – an economic option for the Indian power industry"
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855:. Chhattisgarh State Power Generation Company Limited. Archived from
502:
Paithankar, A. G.; Agarwal, R. K.; Jha, Pramod Kumar (January 2001).
254:
Kusmunda Open Cast Mine has an annual capacity of 50 million tonnes.
557:"Miners work at the Gevra coalmines in the central Indian state ..."
1076:
1046:
991:
588:, vol. 22, no. 1, Larsen & Toubro, January–March 2009
436:
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Dipka Open Cast Mine has an annual capacity of 25 million tonnes.
370:"CIL's expansion projects in Chhattisgarh may be delayed further"
429:"Korba – the land of black diamond, kosa silk and thermal power"
397:. Coal Wing, Geological Survey of India, Kolkata. Archived from
344:"Geological and Geographical description of coalfields in India"
229:
1460:
1347:
1688:
941:"Interview – Except in China, coal loses in new power plants"
621:. Chhattisgarh Environment Conservation Board. Archived from
167:
81:
712:"CIL's SECL makes day record for coal output in March"
143:
990:
505:
Geoenvironmental reclamation: International Symposium
501:
293:in the area consuming coal from Korba Coalfield.
1962:
879:"Chapter VI – Bharat Aluminium Company Limited"
665:"Sri T.K.Nag, Director (Technical/ Operations)"
435:. Korba district administration. Archived from
1669:
976:
579:"L&T delivers HD 785 dump trucks to SECL"
606:
604:
602:
1935:Central Mine Planning and Design Institute
1676:
1662:
983:
969:
392:"Coal Resources of India (As on 1.1.2004)"
249:
599:
321:
319:
228:
1683:
754:
423:
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241:
224:
44:
1963:
763:. World Energy Council. Archived from
316:
1657:
964:
684:
682:
416:
1543:Talcher Super Thermal Power Station
13:
736:. Financial Express, 13 April 2011
679:
346:. geologydata.info. Archived from
14:
1997:
933:
761:Huston Congress: Technical Papers
270:
134:South Eastern Coalfields Limited
692:. Business Standard, 28 May 2007
215:South Eastern Coalfields Limited
188:
43:
36:
1538:Korba Super Thermal Power Plant
913:. Vedanta Balco. Archived from
903:
871:
845:
823:
801:
779:
748:
726:
704:
690:"SECL UG mines to use new tech"
657:
640:
571:
475:"Coal Mine Project Opportunity"
295:Korba Super Thermal Power Plant
284:
549:
495:
467:
451:
384:
362:
336:
1:
1950:Automotive companies of India
1548:Talcher Thermal Power Station
309:
289:There are several coal-based
204:
1904:Singareni Collieries Company
1607:Jharsuguda–Vizianagaram line
257:
7:
1889:Neyveli Lignite Corporation
1589:Second Mahanadi Rail Bridge
18:Mine in Chhattisgarh, India
10:
2002:
1594:Tatanagar–Bilaspur section
714:. Steelguru, 13 April 2007
195:Geological Survey of India
1922:
1851:
1695:
1615:
1602:Howrah–Nagpur–Mumbai line
1556:
1530:
1489:
1423:
1346:
1313:
1295:
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1227:
1186:
1140:
1009:
943:. Reuters. Archived from
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87:
77:
65:
31:
26:
1909:South Eastern Coalfields
1894:North Eastern Coalfields
1864:Carr, Tagore and Company
1976:Economy of Chhattisgarh
1945:Steel industry of India
1940:Power stations of India
1598:Bilaspur–Nagpur section
586:L&T Earthmover News
250:Kusmunda Open Cast Mine
1219:Bhitarkanika Mangroves
291:thermal power stations
234:
1187:Geographical features
372:. The Energy Business
233:Dumpers in Gevra mine
232:
181:, a tributary of the
109:22.34167°N 82.56778°E
1930:Coal mining in India
1214:Mahanadi River Delta
1204:Chota Nagpur Plateau
242:Dipka Open Cast Mine
225:Gevra Open Cast Mine
177:in the basin of the
1986:Korba, Chhattisgarh
1971:Coalfields of India
1899:Northern Coalfields
1884:Mahanadi Coalfields
917:on 2 September 2011
911:"Projects of Balco"
150:Year of acquisition
144:http://secl.gov.in/
105: /
23:
1914:Western Coalfields
1879:Eastern Coalfields
1869:Central Coalfields
1859:Bharat Coking Coal
947:on 8 December 2015
235:
114:22.34167; 82.56778
21:
1958:
1957:
1651:
1650:
1424:Languages/ people
1419:
1418:
859:on 10 August 2011
789:. ACB (India) Ltd
787:"Company Profile"
433:Mineral Resources
332:978-0-07-059921-5
157:
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57:Location in India
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1158:Hasdeo Bango Dam
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891:on 30 March 2012
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884:. Archived from
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508:. A.A. Balkema.
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1778:North Karanpura
1738:Godavari Valley
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1199:Dakshina Kosala
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51:Korba Coalfield
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1616:Other basins
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1239:Chhattisgarh
1194:Dandakaranya
1117:Surubalijora
949:. Retrieved
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811:. KJSL Group
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285:Power plants
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179:Hasdeo River
175:Chhattisgarh
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1843:West Bokaro
1728:East Bokaro
1173:Rengali Dam
1168:Mandira Dam
1163:Hirakud Dam
1153:Gangrel Dam
1148:Dudhawa Dam
1072:Kushabhadra
951:4 September
921:7 September
895:7 September
863:7 September
837:7 September
815:7 September
793:7 September
771:7 September
740:3 September
718:4 September
696:4 September
671:1 September
632:7 September
592:4 September
563:4 September
539:|work=
521:4 September
487:1 September
443:1 September
408:6 September
376:4 September
354:4 September
112: /
88:Coordinates
1965:Categories
1874:Coal India
1773:Mannargudi
1723:Daltonganj
1703:Aurangabad
1696:Coalfields
1685:Coalfields
1531:Industries
1490:Coalfields
1481:Sambalpuri
1396:Kendrapara
1371:Sundergarh
1366:Mayurbhanj
1356:Jharsuguda
1178:Sondur Dam
1127:South Koel
1122:South Karo
1087:North Karo
310:References
205:Operations
97:22°20′30″N
1803:Singrauli
1753:Jhilimili
1743:Ib Valley
1718:Chirimiri
1713:Bisrampur
1557:Transport
1517:Ib Valley
1502:Chirimiri
1497:Jhilimili
1361:Kendujhar
1315:Jharkhand
1231:districts
1132:Tel River
1057:Kathajodi
1017:Baitarani
1000:Baitarani
809:"Washery"
541:ignored (
531:cite book
258:Pollution
100:82°34′4″E
1828:Tatapani
1818:Sohagpur
1793:Raniganj
1788:Rajmahal
1628:Godavari
1247:Dhamtari
1229:Riparian
1107:Shivnath
1077:Mahanadi
1027:Brahmani
1022:Bhargavi
996:Brahmani
992:Mahanadi
183:Mahanadi
27:Location
1823:Talcher
1798:Ramgarh
1758:Kamptee
1733:Giridih
1708:Birbhum
1638:Narmada
1623:Damodar
1522:Talcher
1401:Khordha
1391:Cuttack
1305:Anuppur
1287:Surguja
1272:Jashpur
1267:Raigarh
1067:Kuakhai
831:"Korba"
166:in the
140:Website
130:Company
78:Country
1833:Umaria
1808:Sonhat
1748:Jharia
1584:NH 111
1461:Santal
1451:Kurukh
1386:Jajpur
1348:Odisha
1333:Ranchi
1328:Khunti
1282:Koriya
1257:Raipur
1252:Kanker
1112:Sondur
1042:Hasdeo
1010:Rivers
833:. NTPC
651:
512:
461:
330:
168:Indian
1763:Korba
1689:India
1579:NH 78
1574:NH 42
1507:Korba
1476:Oriya
1466:Hindi
1456:Munda
1441:Gondi
1436:Bonda
1431:Baiga
1381:Angul
1376:Boudh
1323:Gumla
1277:Korba
1102:Sankh
1097:Pairi
1062:Koina
1003:basin
889:(PDF)
882:(PDF)
667:. CCL
626:(PDF)
615:(PDF)
582:(PDF)
559:Space
478:(PDF)
402:(PDF)
395:(PDF)
304:Balco
171:state
125:Owner
82:India
67:State
1633:Kosi
1596:and
1569:NH 6
1564:NH 5
1411:Puri
1082:Mand
1052:Jonk
1037:Devi
1032:Daya
953:2011
923:2011
897:2011
865:2011
839:2011
817:2011
795:2011
773:2011
742:2011
720:2011
698:2011
673:2011
649:ISBN
634:2011
594:2011
565:2011
543:help
523:2011
510:ISBN
489:2011
459:ISBN
445:2011
410:2011
378:2011
356:2011
328:ISBN
299:NTPC
153:1985
1687:of
1643:Son
1600:of
1446:Kol
1092:Ong
297:of
173:of
1967::
1047:Ib
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