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Coal samples the volatile matter of lafiaobi coal is close to that of the foreign coals while a large difference exists between chikila coal and the foreign ones it was observed elsewhere that the lafiaobi coal is higher in maturity than the chikila coal 17 and volatile matter is known to decrease with increase in rank 1819.
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36 coal seams were identified 3366 samples were analysed for various parameters coal is classified as medium coking type resource estimation results of investigation puts obi coal deposit at a total reserve of 1283 million tonnes date available large scale geological and geophysical maps borehole logs cross sections mine plan and
Apr 01 2018 amasido coal has the highest methane generation rate followed by onyeama lafiaobi okpara ogboyoga amasiodo inyi okaba owukpa ezimo and lastly the ogwashi coal mine the difference in the methane generation rate can be attributed to the difference in the coal
Aug 12 2019 by david odama lafia – the nasarawa state government is set to generate private electricity from coal deposit in obi local government area of the
Available data show that coal mainly subbituminous stream coals except for the lafiaobi bituminous coking coal is available in more than 22 coalfields spread over 13 states in nigeria the proven coal reserves are about 639 million metric tonnes while the inferred
Coal mining in enugu is mainly by surface mining and underground mining systems duffryn 1977 in the surface mining system mining layers of rocks or soil overlying a coal nasarawa lafia – obi coking coal 22 unknown 22 other states other location 1160
Coal samples the volatile matter of lafiaobi coal is close to that of the foreign coals while a large difference exists between chikila coal and the foreign ones it was observed elsewhere that the lafiaobi coal is higher in maturity than the chikila coal 17 and volatile matter is known to decrease with increase in rank
Coking coals found in the lafia–obi coal field are high in sulfur and have to be learn more ministry of mines and steel development 1 mine coal – estimated reserves of over 27 billion tonnes 2 a nigerian minerals and mining act 2007 and its obi ‐lafia coal obi obi lga nasarawa state
Dec 13 2011 coal is extracted from the ground by mining either underground by shaft mining through the seams or in open pits locations coal exploration in nigeria started as far back as 1916 available data show that coal mainly subbituminous steam coals except for the lafiaobi bituminous coking coal occurrences in nigeria have been indicated in
Dec 24 2019 two companies tongyi global solid minerals resources limited and sansani farms limited got license to extract coal in nasarawa state while the former has a permit for coal lead and zinc in obi and lafia the later has a smallscale mining sm licence for coal in
Energy council 8 puts nigeria’s total proven coal reserves at 344 million tons most of which fall within the rank of bituminous or subbituminous of the total nigerian coal deposits the lafiaobi basin has an estimated 21 million tons of bituminous coal reserves9 this makes it an attractive economically
Jan 02 2019 the study correlated the geochemical petro graphical parameters against combustibility time for samples of nigerian coal deposits obtained from okaba owukpa ogboyoga omelehu deposited in the anambra basin in one and lafiaobi coals in the middle benue and maiganga in gombe he
Key information location obi lga nasarawa state deposit coal block exploration status ongoing reserves 1283 million tonnes preliminary est quality medium coking geology coal bearing beds seams within the lower and upper coal measures of the agwu
Lafiaobi obannewi bituminous cokable lignite 156 30 2142 na 80 1838 underground underground afikpookigwe subbituminous 50 na 20100 underground nigerian coal industry but the government’s monopoly of coal mining is being relaxed beginning in 1990 the ncc initiated efforts to privatize the coal industry by entering into
Linus oota lafia nasarawa state governor abdullahi sule says his administration is finalizing arrangement with general electric towards generating 1000 megawatts from coal reserves in obi local
Mar 01 2014 s j mallo the menace of acid mine drainage an impending challenge in the mining of lafiaobi coal nigeria continental journal of engineering sciences vol 6 2011 pp 46 – 54 46 h ezeigbo and b n ezeanyim environmental pollution from coal mining activities in enugu area nigeria international journal of mine water and the
Mar 02 2016 coal exploration in nigeria started as far back as 1916 available data show that coal mainly subbituminous steam coals except for the lafiaobi bituminous coking coal occurrences in nigeria have been indicated in more than 22 coalfields spread over 13 states of the
May 25 2006 nigeria’s country report on coal mine methane recovery and use 10 introduction the nigerian arm of the methane to markets partnership is anchored on coal production since independence this coal lafiaobi nassarawa bituminous cokable 156 2142 123 13m 80 underground 9 obannewi anambra lignite 30 na 2 140345m 1838
Medium and low temperature carbonization of onyeama and lafiaobi coal samples gave an improved and satisfactory percentage stability and friability for semicokes investment and mining opportunities ministry of solid minerals development abuja nigeria 2008
Mineable coal deposits in nigeria occur at enugu okaba ogboyaga orukpa obilafia gombe and chikila obaje 2009 there is a reported occurrence of coal seams in ezimo enugu state iyoko river east of ukana and egodo river near okpatu both in benue state there is a main coal seam in inyi area enugu state inyi coal deposit
Nigerian subbituminous coal has a high calorific value 50006000 calg or 55006500 airdried low ash and low sulfur contents with good storage characteristics afonja 1979 in the lafiaobi area of nassarawa state good quality cooking coal has been discovered which is suitable for use in
Onyeama and 576 for lafiaobi garin maiganga was low with 488 the semi–cokes obtained from onyeama and lafiaobi has a reasonable strength hardness and physical properties both lafiaobi and onyeama are known to be higher in maturity than garin maiganga coal 15 increase in maturity leads to increase in hardness as a result of
Other coal deposits include inyi deposit afikpo deposit lafia obi deposit gombe deposit and asaba lignite deposit the report stated close sign up for free allafrica
Paralic coal beds occur intercalated within the cretaceous systems in the area around obilafia of the middle benue trough of nigeria the petrographic compositions of the coal beds indicate three ptrographic facies with different depositional environments the coal beds at the bottom of the stratigraphical sequence termed the vitrinitefusinite coal facies are rich in vitrinite poor in
Profile for lafiaobi coal indicating that the coal has a good coking potential a good vol7 no4 assessment of some nigerian coals 305 metallurgical coal usually possesses a grayking profile between g1 to g9 doho and lamja coals have grayking type a and b profiles respectively which suggest that they are of poor
Sep 09 2014 investigation of the behaviour of lafiaobi coal in a fluidized bed combustion chamber ot popoola and a a asere department of mechanical engineeringfaculty of technologyobafemi awolowo universityileife nigeria oautekconf 2011 faculty of technology conference introduction general background • there is a large deposit of coal
The coal measures fig 2 are concentrated within the anambra basin but also occur in other rocks within nigeria such as lafiaobi in plateau state lamja gombe in bauchi state and afikpo in
The lafiaobi coal deposit has been found to be geologically faulty and the minimum estimated cost of mining it per ton was at n8750 as at 1977 taskforce 1987 considering the present exchange rate of the nigeria naira to the us dollar the current mining price per ton of lafiaobi coal can be taken to be us8750 adeleke and onumayi
The present global concern for new sources of energy has kindled a renewed interest in coal in the option for maximizing the use of low grade coals in the production of metallurgical grade coke and various coal conversion processes the qualities of three nigerian coal samples onyeama garin maiganga and lafiaobi were assessed for their potential utilization in a blast
The technology of fluidized bed coal combustion fbc and its advantages over conventional coal burning systems is now well established and is extensively reported in the literature there is also some emphasis in literature about the suitability of lafiaobi coal in fbc however there is little quantitative or qualitative information on theperformance of lafiaobi in
The volatile matter places lafiaobi in the mediumvolatile bituminous rank while lamja and doho are of mediumvolatile bituminous rank the rheological properties show that lafiaobi is the only caking coal this put together single out lafiaobi as a potential candidate for coke
These resources appear to be amenable to underground mining utilising long wall and with surface contour mining along the outcrop 274000 ha of the deposit is unexplored to the north south and down dip to the west from the drilled and sampled area obi lafia coal block obi
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