ASSESSMENT OF ENVIRONMENTAL RADIOA TIVITY …

Key words: Okaba coal, ultimate analysis, proximate analysis,free swelling index, gray-king coke type 1.Introduction. Nigeria's coal reserves are in excess of 1.2 billion tones of proven, indicated and inferred categories, Okaba deposit inclusive (Famuboni, 1996). Despite the above fact, not much of the county's coal has been properly utilized.

COAL DEPOSIT IN MAMU FORMATION...

Jan 15, 2004· The mean outdoor gamma dose rate determined for the Okaba mining environment is 10.4 nGy h −1 as against 11.7 nGy h −1 for Okpara. The ranges are 8.5–16.5 nGy h −1 for the Okpara measurements and 7.5–14.0 nGy h −1 for Okaba. Thus, the outdoor gamma dose rates appear to be generally lower at the Okaba open cast mine than at Okpara.

Reviving Nigeria's Coal Industry | Leadership Newspaper

Dec 02, 2015· Most of the abandoned coal mines were never revived or reclaimed. Interestingly, two mines were commissioned during the civil war: One at Odagbor, which was later known as the Okaba coal mine, located in present day Kogi State, and the Biafra Coal Corporation in Enugu. Both were merged at the end of the war into the Nigeria Coal Corporation.

Nigerian Coal | Incept Holdings Limited

Key Information: Location Okaba, Kogi State, 120km North of Enugu Deposit Coal Block Exploration Status Ongoing Reserves Over 250 million tonnes (inferred) Quality 23.91 MJ/Kg Geology: Coal occurs within the Cretaceous Mamu Formation at the base of the Enugu Escarpment. Exploration: Known coal deposits within the area are located on the eastern flank of the Anambra. Coal Basin, and occupy an ...

ResearchGate

Jun 02, 2016· An experiment was conducted by using the blend of Okaba coal and Erythrophleum suaveolens charcoal to fire the cupola furnace. The furnace was operated between air pressure of 1.02 and 1.03 bars while the readings of melting time, Ok/Es fuel blend consumed per kg of metal were taken. At the operating pressure of 1.02 bars, the melt rate of 283.04 kg/hr. was estimated and when …

Kogi East 2019: I Will Trouble FG on Okaba Coal, Ibaji Oil ...

Dec 02, 2015· Most of the abandoned coal mines were never revived or reclaimed. Interestingly, two mines were commissioned during the civil war: One at Odagbor, which was later known as the Okaba coal mine, located in present day Kogi State, and the Biafra Coal Corporation in Enugu. Both were merged at the end of the war into the Nigeria Coal Corporation.

Nigeria: Okaba Coal Mining Will End Country's Power ...

Interestingly, two mines were commissioned during the civil war: One at Odagbor, which was later known as the Okaba coal mine, located in present day Kogi State, and the Biafra Coal Corporation in ...

HISTORY: The History of Coal in Nigeria | Heinrich Böll ...

of measurement of environmental radioactivity around coalmine at okaba, result obtained in exposure rate (mR/hr) after data analysis shows that the highest radiation level at Okaba coal mine was found to be 840.96mR/yr or 1009.152mrem/yr. The result indicates that the workers at okaba coalmine are operating within the recommended safety

Nigeria: Okaba Coal Mining Will End Country's Power ...

Jan 02, 2019· After traversing the major coal deposits in the country, from Aguwatashi in Nasarawa to Enyeama and Oji in Enugu State, Maiganga in Gombe and Okaba in Kogi — and a visit to Ibrahim Badamasi Babangida( IBB) University where smokeless coal research is being carried out — SINA FADARE reveals how this resource can help end the electricity supply challenge.

Assessment of the effect of cessation of coal mining on ...

An open cast mining of the Okaba coal was embarked upon in 1997, by the Nigerian Coal Corporation. The stripping of the overburden to the coal seam exposed some

The Brief History Of Coal Mine In Enugu - Politics - Nigeria

Share this on WhatsApp. By Solomon Enejoh. The candidate of the Advanced Peoples Democratic Alliance (APDA) in the forth-coming 2019 Kogi East senatorial election, Comrade Amade Godwin Edime has expressed readiness to keep the Federal Government of Nigeria on its toes until the Okaba Coal Mining, Ibaji Oil Deposit, Ajaokuta Steel Company, Itobe Cement Deposit and others become …

Geo- Mechanical Properties of Okaba Coal Deposit for ...

Apr 26, 2013· Han, D. and Peng, S. "Investigation and future research strategy on engineering disasters induced by coal mining at deep depth in China coal industry" China Coal press, Vol. 28 …

Background gamma terrestrial dose rate in Nigerian ...

of measurement of environmental radioactivity around coalmine at okaba, result obtained in exposure rate (mR/hr) after data analysis shows that the highest radiation level at Okaba coal mine was found to be 840.96mR/yr or 1009.152mrem/yr. The result indicates that the workers at okaba coalmine are operating within the recommended safety

INSTRUMENTAL NEUTRON ACTIVATION ANALYSIS (INAA) OF …

The work done involves the chemical andthermo-gravimetric analysis of maiganga and okaba coal blend. 1.2 Problem Statement. The heat content in a fluidized bed or furnace of a power plant may be reduced greatly due to the presence of slags or foul formed as a result of the deposition of some constituent compounds in coal such as sulphur ...

Okaba Coal Block - i-MINE

Okaba district is a rural community in Nigeria, where coal mining had been a central socio-economic concern for thirty-eight years (), at the Odagbo coal *Corresponding author. E-mail:[email protected] mine, before it ceased via a Federal government order (Kogi State Solid Minerals Investment Prospects, 2005).

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During the civil war there was establishment of coal mine at Odagbor better known as Okaba coal that became the Nigeria Coal Corporation while the one in Enugu was known as Biafra Coal Corporation but at the end of the war, the two merged. A mysterious chain of deep valleys jewelled the charming landscape of Enugu City; and steep walls of ...

Okaba Coal Block - i-MINE

Nov 22, 2018· Interestingly, two mines were commissioned during the civil war: One at Odagbor, which was later known as the Okaba coal mine, located in present day Kogi State, and the Biafra Coal Corporation in ...

Investigating the Performance of Okaba Coal and ...

An open cast mining of the Okaba coal was embarked upon in 1997, by the Nigerian Coal Corporation. The stripping of the overburden to the coal seam exposed some

Geochemical Evaluation of Okaba (Odagbo) Coal Deposit ...

A consortium of mining and power companies has assured the Nigerian government that the mining of coal at Okaba field in Kogi state would put an end to Nigeria's power problem as nine coal power ...

Kogi East 2019: I Will Trouble FG on Okaba Coal, Ibaji Oil ...

May 01, 2004· As-received coal samples from the Nigerian Coal Corporation Enugu were obtained for instrumental neutron activation analysis. The coals were categorized into three classes. The first class consist of run-of-mine coals from Nigeria's principal coal mines of Gombe, Ogbete, Onyeama, Azagba, Afikpo, Lafia(Obi), Enugu (Ekulu) and Okaba.

GEOCHEMISTRY OF COAL AND COAL BEARING STRATA …

Apr 26, 2013· Han, D. and Peng, S. "Investigation and future research strategy on engineering disasters induced by coal mining at deep depth in China coal industry" China Coal press, Vol. 28 …

Geo- Mechanical Properties of Okaba Coal Deposit for ...

of Ok/Es (2.5 kg of Okaba coal + 0.5 kg of Es charcoal) was burnt as fuel with the same quantity of metal maintained. Both processes were accompanied with 1 kg of limestone per charge. After casting, strips of metal sample 16 mm diameter and length of 130 mm were cut from Es and Ok/Es ingots.