Lafia-Obi Coal In A Fluidized Bed Combustion Chamber / 978 ...

Lafia-Obi Coal In A Fluidized Bed Combustion Chamber, 978-3-659-77535-2, 9783659775352, 3659775355, Heating,- energy- and power station technology, This work investigated the effect of Lafia-Obi coal particle sizes on fluidized bed combustor temperature, emission characteristics and coal ash content at various operating conditions. This was with a view to determining the suitability of Lafia ...

Nigeria's Industrial Coal export ... - 21stplacelive.com

Locations: Coal exploration in Nigeria started as far back as 1916. Available data show that Coal (mainly sub-bituminous steam Coals except for the Lafia-Obi bituminous Coking Coal) occurrences in Nigeria have been indicated in more than 22 Coalfields spread over 13 States of the Federation.

Geology, geochemistry and biomaker evaluation of Lafia-Obi ...

Petrographic studies and proximate analysis of coal samples from Lafia-Obi, Chikila and Lamza deposits of the Benue Trough, were used in the ranking and preliminary assessment of the coking potential.

mining of coal in nigeria - hospetsteels.in

MINING OPPORTUNITIES IN NIGERIA; COAL MINING IN NIGERIA ... Coal exploration in Nigeria started as far back as 1916. Available data show that Coal (mainly sub-bituminous steam Coals except for the Lafia-Obi …

coal froth flotation plant - mine-equipments.com

Phosphates and coal are also upgraded ... International Labour Organization raw coal storage and stockpiling between the mine and the preparation plant; clean ... WASHABILITY AND FROTH FLOTATION TESTS OF LAFIA-OBI ... Froth flotation at Ph7 of the coal gave an …

NIGERIA'S COUNTRY REPORT ON COAL MINE METHANE …

NIGERIA'S COUNTRY REPORT ON COAL MINE METHANE RECOVERY AND USE. 1.0 INTRODUCTION ... Comparison Of Typical And Prime Coking Coal Analysis With Lafia-Obi Raw And Washed Coals Quality Parameter Typical Coking Coal Prime Coking Coal/Blend ... indicates some of the existing coal mine sites in Nigeria. Perhaps

A Review of Geology and Coal Mining In South Eastern ...

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 1160

Effects of Caustic Leaching Demineralization on the ...

improvements in the crucible swelling numbers of Lafia-Obi coal fractions following hot caustic leaching de-mineralization. MATERIALS AND METHODS Materials The Lafia-Obi sample was obtained from a site of Lafia-Obi coal-field on the bank of Kogi River, in Shankodi Jangwa district of Awe Local

Geology, geochemistry and biomarker evaluation of Lafia ...

Read "Geology, geochemistry and biomarker evaluation of Lafia-Obi coal, Benue Trough, Nigeria, Fuel" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

INVESTIGATION OF THE BEHAVIOUR OF LAFIA-OBI COAL IN A ...

INVESTIGATION OF THE BEHAVIOUR OF LAFIA-OBI COAL IN A FLUIDIZED BED COMBUSTION CHAMBER. O.T. POPOOLA and A . A. ASERE Department of Mechanical Engineering, Faculty of Technology, Obafemi Awolowo University, Ile-Ife, Nigeria . OAUTekCONF 2011 Faculty Of …

Quality of Some Nigerian Coals as Blending Stock in ...

coal samples. The volatile matter of Lafia-Obi 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 Lafia-Obi coal is higher in maturity than the Chikila coal [17] and volatile matter is …

PRODUCTION OF FORMED COKE FROM NIGERIAN COALS

Coal samples from Lafia–Obi and Onyeama (Enugu) were obtained from the National Metallurgical Development Cenre (NMDC), Jos, while sample from Garin Maiganga (Gombe) was collected from the mine site around Gombe, Gombe State. Samples collected were …

Computational fluid dynamics simulation of Lafia–Obi ...

Computational fluid dynamics simulation of Lafia–Obi bituminous coal in a fluidized-bed chamber for air- and oxy-fuel combustion technologies

` Printed in Nigeria THE MENACE OF ACID MINE ... - CORE

Many a mining environment especially coal mining areas have suffered degradation as a result of acid mine drainage. The proposed Lafia-Obi coal mine which is expected to provide the much needed coking coal for the Adjaokuta Steel Industry cannot be an exception to such environmental menace.The expected coal mining activities has the capacity to ...