Decrease of Calorific Value in Coal of Oxidation
Journal of the Fuel Society of Japan, 1973 Low temperature oxidation of coal is influenced by various factors such as temperature, time, degree of oxidation, particle size, velocity of ventilation and so on.This paper is concerned with the measurement of changed weight of coal caused by oxidation of low temperature using the weight method of thermobalance, and considers macroscopic mechanism of
Kinji Hoshizawa, Tetsuo Ono
openaire +2 more sources
Coal characteristics of the eocene to pliocene epoch: A case study in the Berau Sub-basin, East Kalimantan, Indonesia [PDF]
E3S Web of ConferencesA complex material, coal is primarily composed of carbon, hydrogen, oxygen, nitrogen, sulfur, and other minerals. The research area is located in the Berau Sub-basin, which is part of the Tarakan Basin.
Wahyu Sugiarto +3 more
doaj +1 more source
The numerical simulation on the regularity of dust dispersion in whole-rock mechanized excavation face with different air-draft amount [PDF]
, 1989 An experimental investigation was carried out on coal dust-inertant mixture explosions. Tests of explosion severity and flammability limit were conducted by using the Siwek 20 L vessel and influences of ignition energy, coal dust calorific value, coal ...
Wen, Nie +3 more
core +1 more source
IOP Conference Series: Earth and Environment, 2020 Biomass is an important source of energy for the rising energy demand in the Philippines, however it is still a huge untapped resource considering that the Philippines, being an agricultural country generates a huge amount of agricultural by-products and
Rose Ann P. Lomeda-De Mesa +3 more
semanticscholar +1 more source
The Potential Of Biomass Co-firing In Overcoming Coal Limitation In Steam Power Plants [PDF]
E3S Web of ConferencesThe limitations that lead to coal scarcity are interesting to study, because coal is used as the main fuel source in steam power plants (PLTU). In this study, the use of biomass made in the briquette model for biomass cofiring is offered as a substitute ...
Hendrik Sanjaya Eli +6 more
doaj +1 more source
PENETAPAN NILAI KALORI DALAM BATUBARA DENGAN KALORIMETER PARR 6200
Sains Natural, 2019 Determining Calory Value of Coal With Calorimeter Parr 6200Â Coal is a source of energy utilized by the process of making cement. This type of coal determines the quality and calorific value of the coal. Determination of calorific value on coal is done
Finda Pratiwi Istomo, Ameylia Tristiasti
doaj +1 more source
Karakteristik Briket Biocoal Dengan Penambahan Sekam Padi Dan Wax [PDF]
, 2011 Biocoal made by mixing Sub-Bituminous Tanjung Enim coal with rice skin biomass to make biocoal briquette that will have calorific value suitable for domestic consumption and also have a quicker initial burning time that has been a problem in applying ...
Dewi, R. M. (Retno) +2 more
core +4 more sources
A Feasibility Study Evaluating the Efficiency of Fine Coal Washing Using Gravity Separation Methods
ARCHive-SR, 2019 Coal mining and washing activities in South Africa often lead to the generation of fine and ultra-fine coal which is in most cases discarded due to high handling and transportation costs.
Agnes Modiga +3 more
doaj +1 more source
Biomasses of different Salix L. clones in the decarboxylation process during energy production [PDF]
Zbornik Matice Srpske za Prirodne NaukeBiomass is increasingly employed in diverse applications to achieve and enhance energy efficiency, owing to its carbon-neutral nature. This is attributed to the fact that the quantity of CO2 released during its combustion corresponds precisely ...
Urošević Jelena D. +5 more
doaj +1 more source
Utilization of Biowaste for Sustainable Production of Coal Briquettes
Energies, 2023 In energy scarcity, particularly in Agri-based developing economies, bio-coal briquetting is the most suitable means of meeting sustainable energy needs utilizing agricultural waste.
Amad Ullah Khan +5 more
doaj +1 more source