Elemental Composition Of Nigerian Coals

Elemental composition of Nigerian coals - ScienceDirect

1985-01-01· A detailed description of the methodology and analysis, as well as results showing the concentrations of the 35 trace elements encountered in Nigerian coals, have been reported elsewhere.13 The Elemental composition of Nigerian coals 37 Table 1. Major elemental compositions of Nigerian coals (ASTM); row A represents as received coals, while row B represents dry coals. …

Elemental composition of Nigerian coals - ScienceDirect

Elemental composition of Nigerian coals. Author links open overlay panel A.B. Borishade A.H.M.A. Hanan L.O. Kehinde A.F. Oluwole O. Oshin. Show more

Elemental composition of Nigerian coals

Downloadable (with restrictions)! Three analytical techniques (ASTM, FNAA and INAA) have been used to determine the major elemental composition, the percentage concentrations of Si, Fe, Al, as well as the concentrations of the trace elements Ca, K, Cl, Mg, Na and Ti of coals from seven major deposits in Nigeria. The results show that Nigerian coals are of weak or noncoking grades with low ...

EconPapers: Elemental composition of Nigerian coals

Elemental composition of Nigerian coals. A.B. Borishade, A.H.M.A. Hanan, L.O. Kehinde, A.F. Oluwole and O. Oshin. Energy, 1985, vol. 10, issue 1, 35-39 Abstract: Three analytical techniques (ASTM, FNAA and INAA) have been used to determine the major elemental composition, the percentage concentrations of Si, Fe, Al, as well as the concentrations of the trace elements Ca, K, Cl, …

Trace elemental composition of Nigerian coal measured by ...

1983-03-01· Trace elemental composition of Nigerian coal measured by neutron activation analysis. Ch. L. Ndiokwere 1 nAff2, V. P. Guinn 1 & D. Burtner 1 Journal of Radioanalytical Chemistry volume 79, pages 123 – 128 (1983)Cite this article. 53 Accesses. 7 Citations. Metrics details. Abstract. The instrumental neutron activation analysis (INAA) technique has been used to determine 17 major, …

Ultimate Analysis of some Nigerian coal

This paper reports the elemental composition of some Nigerian coals and its application in ranking of the coals. Objectively, this will indicate the area of utilization or application. II. MATERIALS AND METHOD 2.1 Material 4 The materials used for this study include five different coal samples collected from Garin Maiganga (GMG A3 – top layer and GMG B – base layer), Chikila (CHK), Lamza ...

Elemental characterization of Nigerian coals and their ...

Nigerian coals and their ashes were investigated using PIXE spectrometry to ascertain their elemental composition, characterize and correlate them, and to determine their environmental risk assessment when combusted. Eleven and 18 elements detected in the raw coals and the ashes, respectively, were subjected to appropriate statistical analyses. Mean elemental summation (%) of the coals and ...

PROXIMATE AND ELEMENTAL ANALYSIS OF SOME NIGERIAN …

on trace and major elemental composition of coal have been reported in literature. The modes of occurrence and concentration of trace elements in coal have been reported in previous works (Zhang et al., 2002). Trace and heavy metal emissions have been reported to be higher in coal and sediments than in fuel oil (Paiva et al., 1990; Srinivasa et al., 2005). According to the reports issued by ...

(PDF) Structural characterization of Nigerian coals by X ...

The FTIR spectra of the coals show the presence of stretching vibra- Keywords: Nigerian coal tions of eOH bonds, aliphatic eCH, eCH2 and eCH3 absorptions, C]C and eCH of aromatic structure, and Amorphous carbon C]O stretching vibrations of carbonyl groups. A strong linear relationship exists between the coal structural Turbostratic parameters (fa, d002, Lc) and the elemental carbon and ...

Trace elemental composition of Nigerian coal measured by ...

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COMPARATIVE CHEMICAL AND TRACE ELEMENT COMPOSITION OF COAL ...

Keywords: Nigerian coal, South African coal, Coal fly ash, Major oxides, Trace elements, Mineralogy. 1. INTRODUCTION Coal is a combustible carbonaceous rock that contains varying amounts of carbon, hydrogen, nitrogen, oxygen, sulphur and mineral matter and nearly 8 gigatonnes per year of coal is produced globally at ∼0.05 $/kg) [1]. It is an

(PDF) Structural characterization of Nigerian coals by X ...

The FTIR spectra of the coals show the presence of stretching vibra- Keywords: Nigerian coal tions of eOH bonds, aliphatic eCH, eCH2 and eCH3 absorptions, C]C and eCH of aromatic structure, and Amorphous carbon C]O stretching vibrations of carbonyl groups. A strong linear relationship exists between the coal structural Turbostratic parameters (fa, d002, Lc) and the elemental carbon and ...

MINERALOGICAL COMPOSITION OF NIGERIAN COALS: …

(1993). MINERALOGICAL COMPOSITION OF NIGERIAN COALS. Fuel Science and Technology International: Vol. 11, No. 10, pp. 1319-1329.

Characterisation Of Some Nigerian Coals For Power …

elemental carbon, volatile matter and hydrogen contents in decreasing order. TABLE OF CONTENTS ... of Nigerian coals and make a strong case for the utilisation of these coals in power generation. The specific objectives of the research are: (i) To carry out proximate, ultimate and ash composition analyses of the coal samples. (ii) The determination of calorific value of the coal samples. (iii ...

Physicochemical characterization of low rank Nigerian coals

This study is aimed at investigating the physicochemical properties of low rank Nigerian coals. The coal samples were examined using bomb calorimetry, ultimate and proximate analyses to determine the heating value, elemental composition and physicochemical properties. The calorific values of the coals were; 23.74 MJ/kg for GMG; 27.34 MJ/kg for SKJ and 30.52 MJ/kg for AFZ.

Mineral Matter in Nigerian Coals and Tar Sand and Their ...

2015-10-01· X-ray diffraction (XRD) and X-ray fluorescence (XRF) techniques were used in assessing the mineral matter contents and oxides produced up on combustion of the following Nigerian coals: Afuze (AFZ), Garin-Maiganga (GMG), Lamza (LMZ), Shankodi-Jangwa (SKJ), and Chikila (CHK) in addition to a tar sand from Ondo (OTS). Coal samples from Afuze (AFZ) and Chikila (CHK) were …

Petroleum and Coal - VÚRUP

coal such as its elemental, mineralogical and calorific properties [11-12]. The outlined coal properties are critical to the design, optimisation and scale-up of efficient conversion processes [13]. Further-more, the assessment of coal properties is an important step in defining its rank, energy application, or potential emissions [14-16]. Such information is a crucial dynamic in debates on ...

Trace elemental composition of Nigerian coal measured …

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Proximate analysis, rheological properties and ...

2013-01-16· Nigeria is endowed with large coal deposits, but some of them are yet to be explored. A combination of proximate analysis and rheological properties were used in characterizing the newly discovered Tai, Garin Maiganga and Shankodi-Jangwa coals in order to determine their suitable applications. Tai, Garin Maiganga and Shankodi-Jangwa coals were found to have moisture contents …

Review of Particulate Matter and Elemental Composition …

2016-06-01· The review was conducted by systematically searching the databases of ResearchGate, Google Scholar, MEDLINE, PubMed Central, EBSCOhost and PubMed libraries for original research using search terms such as ‘particulate matter loads in Nigeria’, ‘PM 2.5 and PM 10 levels in Nigeria’, elemental composition of Nigerian aerosols', ‘health implications of airborne pollution’, ‘seasonal ...

MINERALOGICAL COMPOSITION OF NIGERIAN COALS: …

(1993). MINERALOGICAL COMPOSITION OF NIGERIAN COALS. Fuel Science and Technology International: Vol. 11, No. 10, pp. 1319-1329.

(PDF) Structural characterization of Nigerian coals by X ...

The FTIR spectra of the coals show the presence of stretching vibra- Keywords: Nigerian coal tions of eOH bonds, aliphatic eCH, eCH2 and eCH3 absorptions, C]C and eCH of aromatic structure, and Amorphous carbon C]O stretching vibrations of carbonyl groups. A strong linear relationship exists between the coal structural Turbostratic parameters (fa, d002, Lc) and the elemental carbon and ...

Petroleum and Coal

The rank classification of Nigerian coals consists of 39% bituminous, 49% subbituminous, and 12% lignite [5], currently utilized in cement, iron and steel manufacturing. However, the contribution of coal to Nigeria’s electricity generation remains insignificant [3]. As a result, Nigeria’s drive for industrialisation has been stunted by the current energy crises . 1207. Petroleum and Coal ...

Research Article Characterization of Some Nigerian Coals ...

terization of Nigerian coals for power generation such as thermogravimetric analysis, petrographic analysis, and drop tube furnace tests, to the best of our knowledge, have rarely beencarriedout. erefore, this paper covers the characterization of coal from ve deposits in Nigeria which include Odagbo (Kogi State), Owukpa (Benue State), Ezimo (Enugu State), Aman-siodo (Enugu State), and Inyi ...

Physicochemical characterization and thermal analysis of ...

Nigerian coals are typically low rank sub-bituminous in nature, with deposits located predominantly in the Lower, Middle and Upper Benue Trough of the Nigerian sedimentary basin [6]. Conversely, the search for higher ranked coals has resulted in the discovery of new deposits in Afuze, Garin Maiganga and Shankodi-Jangwa [7]. The Afuze coal is categorised as sub-bituminous with significant ...

Appraisal of Some Nigerian Coals - Global Journals

Appraisal of Some Nigerian Coals N. E. Ekeocha1 Jumbo Davies2 Abstract-Coal has served man well from earliest time till date. It is basically of sedimentary origin and is widely found in Nigeria within the Cretaceous Mamu and Nsukka Formations within the Anambra depositional basin. Coal has found application as fossil fuel in the generation of electricity, for heating of the home and in steel ...

Assessment of Some Nigerian Coals for Metallurgical ...

Assessment of Some Nigerian Coals for Metallurgical Application I. O. Akpabio 1, ... reducing the iron ore to its elemental form. This paper reports the results of proximate analysis and rheological properties of three Nigerian coals, Lafia-Obi (Nasarawa State), Doho (Gombe State) and Lamja (Adamawa State) and uses the results in assessing the coking potentials of the coals. 2. MATERIALS AND ...

The geochemistry of lignite from the Neogene Ogwashi …

The pertinent literature on Nigerian lignite deposits’ major and trace element composition is scarce (Adedosu et al.,, 2007; Olobaniyi and Ogala, 2011). Coal is heterogeneous sediment having both organic and inorganic fractions; it contains variable amounts of almost all the elements included in the periodic table (Christanis et al. ,, 1998; Orem and Finkelman, 2003).

Review of Particulate Matter and Elemental Composition …

2016-06-01· The review was conducted by systematically searching the databases of ResearchGate, Google Scholar, MEDLINE, PubMed Central, EBSCOhost and PubMed libraries for original research using search terms such as ‘particulate matter loads in Nigeria’, ‘PM 2.5 and PM 10 levels in Nigeria’, elemental composition of Nigerian aerosols', ‘health implications of airborne pollution’, ‘seasonal ...

An Assessment of the Major Elemental Composition and ...

Limestone samples from Yandev and Odukpani limestone deposits in Nigeria were subjected to elemental analysis by Proton Induced X-ray Emission (PIXE) technique with the aim of broadening any database information on their elemental composition and concentration and accessing the extent of their environmental friendliness. The analysis was carried out with a 1.7 MV Tandem accelerator at the ...

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