2017
DOI: 10.9790/0990-0501016774
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The Maiganga Coal Deposit: Bituminous, Sub-Bituminous or Lignite?

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Cited by 2 publications
(3 citation statements)
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“…These increments of heating value were due to the change in fixed carbon from 34.21% to 52.81% and the reduction of ash content from its value of 27.08%–10.74% ( Figure 4 ). The obtained results of calorific value are in agreement with ASTM standards stated that for coal quality greater than 5000 kcal/kg is more used metallurgical and energy source industry ( Ilkwuagwu and Ofoegbu, 2017 ; Behera et al., 2018 ).…”
Section: Resultssupporting
confidence: 89%
See 1 more Smart Citation
“…These increments of heating value were due to the change in fixed carbon from 34.21% to 52.81% and the reduction of ash content from its value of 27.08%–10.74% ( Figure 4 ). The obtained results of calorific value are in agreement with ASTM standards stated that for coal quality greater than 5000 kcal/kg is more used metallurgical and energy source industry ( Ilkwuagwu and Ofoegbu, 2017 ; Behera et al., 2018 ).…”
Section: Resultssupporting
confidence: 89%
“…Commercially coal is mined in more than 50 countries and about 70 countries are using coal. It is estimated that nearly two-thirds of energy supplies in China is from coal resources ( Wakuma and Assaba, 2017 ; Liu et al., 2018a , Liu et al., 2018b ; Ilkwuagwu and Ofoegbu, 2017 ). The largest top five coal-producing countries are the USA, China, Australia, India and South Africa.…”
Section: Introductionmentioning
confidence: 99%
“…Then the FC calculated following Eq. (1) [2].Fixedcarbon(FC)(%)=100moisture(%)+volatilematter(%)+ashvalue(%)…”
Section: Experimental Design Materials and Methodsmentioning
confidence: 99%