Coal contains diverse amounts of trace elements in their overall composition (Thomas, 1992).Certain trace elements such as lead, arsenic, cadmium, chromium and mercury if present in high amount could preclude the coal from being used in environmentally sensitive situations (Ward 1984).

iv) Coal Export - Nigerian coal is generally characterized by low sulphur, medium to high calorific value, low ash and low moisture contents and therefore is environmentally friendly. Nigeria coals are therefore in great export demand and are most suitable for blending purposes especially with high

cochemical, thermo-kinetic, and thermodynamic data on various Nigerian coals [5]. Current data on Nigerian coals is limited to its rheological [6], petrographic [7-8], geochemistry [9-10], and mineralogical [11-12] properties. Other studies have attempted to examine the power generation characteristics of selected coals in Nigeria [13-15].

Composition Of Enugu Coal In Nigeria For Potential Utilization Nwoko Christopher Ikpeamadi, Nkwoada The hydrogen content analysis in an elemental determining device. The Seylers was determined A review of chemical and Sulphur of Nigerian Coal Samples. JMMCE, 11(10), physical

a-Obi coal samples gave an improved and satisfactorypercentage stability and friabilityfor semicokes. In the search for a Nigerian coking coal, Aderonpe [] carried out the assessment of blends of high volatile (% %) bituminous coals with low volatile ( < %) bituminous coals. In another investigation, Onyeama and Okaba coals

Results-The bulk chemical composition as determined by XRF showed high concentrations of SiO2, Al2O3 in both SAC and NGC samples. The major oxides identified for the electric precipitated fly ash

Trace elemental quantities (Fe, Zn, Cu, Cd, Cr, Pb, P) in fruits obtained from locations in South-western Nigeria were generally higher than those obtained from fruits Furthermore the study highlighted some of these locally available fruits as good sources of various trace elements essential to man.

Nigerian Journal of Physics. Using energy dispersive x-ray fluorescence (EDXRF) technique, the study qualitatively and quantitatively assessed the elemental distribution of commonly used fertilizers in Nigeria.

The concentrations for most trace elements were lower than world average values for low-rank coals. This study has also shown that silicate and sulphide minerals were responsible for the occurrence and distribution of most trace elements in the lignite samples studied here. Trace elemental composition of Nigerian coal measured by neutron

The elemental composition of the coal samples were carried out with the aid of Energy Dispersive-X-ray fluorescence spectrophotometer (ED-XRF), Philip's model 12045 B4/3. Chikila Lafia obi Jankwa shankodi. Table 1. Proximate analysis of Nigerian coal samples.

The Nigerian Coal Corporation (NCC) is a Nigerian parastatal corporation responsible for mining and selling coal. It is based in Enugu. In 1909, coal was discovered in Enugu, Nigeria. The Ogbete drift mine opened six years later.

Download scientific diagram | EDX Elemental Composition of Nigerian Lignite Coals from publication: Physicochemical, Geomineralogical, and Evolved Gas Analyses of The initial water content in the fuels under study had a different influence on the chemical composition of the synthesis gas (syngas).

This tool allows to look for possible molecular formula to reach a specific element analysis. You may add any number of elements, specify the minimal and maximum number of allowed atoms and specify the found elemental analysis. The results can be exported by "right click" on the table and select the

Earlier research on Nigerian coals has F to destroy agglomerating properties yields a bias indicating that the heat of formation is higher than expected from elemental and ash composition by

Ultimate analysis tests produce more comprehensive results than the proximate analyses. SGS uses the results from ultimate analysis tests to determine the elemental composition of the coal including moisture, ash, carbon, hydrogen, nitrogen, sulfur, and oxygen (by difference).

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. The results of

1/1/1985 · The results show that Nigerian coals are of weak or noncoking grades with low sulphur (0.52-2.04%) and high hydrogen (3.7-6.60%) contents. The coals possess properties which make them suitable feedstocks in gasification processes. They may

composition (Thomas, 1992).Certain trace elements such as lead, arsenic, cadmium, chromium and mercury if present in high amount could preclude the coal from being used in environmentally sensitive situations (Ward 1984).

Elemental composition of the liver in mice subjected to one-time consumption of juice of the vegetables is shown in Table III. In the case of broccoli, we found that the concentrations of Mg, S (P ≤ 0.05), and Ca (P ≤ 0.01) were higher in the livers of the coal-mining area

Coal Procurement Preparation of Coal Samples Characterization of Coal Samples Coal Analysis, Rank Classification & Potential Applications Next, the samples were pulverized and sifted feedstock for electricity generation.  Elemental analysis indicates IHM is a higher quality of coal compared to OGB.

Nigerian Coals: A Resource for Energy and Investment, pp 113-119. In article [15] Nwajide, A. (1989). Paleographic setting for coal sequences in the Benue Trough Complex, Upper Cretaceous, pp. 1-8. In article [16] Ogunbanjo, M.I. (1988). Nigerian Coals – A neglected vital raw material.

bution of elements and trace elements in coaL. Organic compounds in co al include methane, benzene, phenols, naphthalenes, acenaphthalenes and 3-, 4- and 5-ring polycyclic aromatic hydrocarbons. The latter include benzo(a)pyrene, chrysene, cyclopentanochrysene and benz(a)anthracene deri-vatives (Falk & Jurgelski, 1979). 1.1.3 Coal dust composition

Nigerian sub bituminous coal has a high calorific value (5,000-6,000 cal g –1 or 5500-6500 air dried), low ash and low sulfur contents, with good storage characteristic. Nigeria has the largest Lignite deposits in Africa with reserves of about 50 million tones.

Abstract. The quantitative analyses of trace elements in some Nigerian coals have been investigated in\ud this research. Four samples of coal collected from the following locations: Enugu (onyeama),\ud Ogwashi-Azagba, Orukpa and amansiodo were studied.

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.

South African coals are generally low in sulphur, nitrogen and phosphorus, and in the case of the first two, the contents are dependent on m aceral composition and rank. Nigeria equally has large