نتایج جستجو برای: non coking coal

تعداد نتایج: 1347315  

2012
Jan Konieczyński Elwira Zajusz-Zubek Magdalena Jabłońska

In order to assess the penetration of individual trace elements into the air through their release in the coal coking process, it is necessary to determine the loss of these elements by comparing their contents in the charge coal and in coke obtained. The present research covered four coke oven batteries differing in age, technology, and technical equipment. By using mercury analyzer MA-2 and t...

2015
VARINDER SAINI R P GUPTA M K ARORA

Jharia coal-field holds unequivocal importance in the Indian context as it is the only source of prime coking coal in the country. Haphazard mining over nearly a century has led to environmental changes to a large extent such as degradation in the quality of air, water, soil, changes in landform, land-use/land-cover and vegetation distribution. Environmental impact assessment is a process to as...

Journal: :Energies 2021

A very important aspect of proper preparation the coal mixture for coking process is its appropriate grinding. One parameters describing energy input required grinding Hardgrove index. This research was undertaken to determine dependence grindability index on selected physicochemical properties coal. The determined using available methods described in standards, and examined. clear positive cor...

Journal: :Journal of the Japan Institute of Energy 2011

Journal: :IOP Conference Series: Earth and Environmental Science 2020

Journal: :Journal of the Fuel Society of Japan 1967

Journal: :Mining of Mineral Deposits 2022

Purpose is to determine the effect of quality indices coal characterized by different degrees metamorphism as well petrographic and ultimate composition on values its grindability defined Protodyakonov Hardgrove methods. Methods. 14 samples being a part raw material base coking chemical enterprises Ukraine were studied. In terms samples, parameters technical, petrographic, analysis identified. ...

Journal: :International journal of advanced chemistry 2021

This work illustrates the production and characterization of metallurgical coke from Duduguru coal, Obi local Government Area Nasarawa State, Nigeria. The analytical assessment properties such as proximate analysis, elemental composition, calorific value are very important to know coking qualities coal. analysis showed that moisture content, ash volatile matter, fixed carbon values coal are; 1....

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