Results 11 to 20 of about 1,442,809 (311)

Toward a global coal mining moratorium? A comparative analysis of coal mining policies in the USA, China, India and Australia [PDF]

, 2018
To stop global warming at well below 2° C, the bulk of the world’s fossil fuel reserves will have to be left in the ground. Coal is the fossil fuel with the greatest proportion that cannot be used, and various advocacy groups are campaigning for a ban on
Blondeel, Mathieu, Van de Graaf, Thijs
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Study on extraction phenol from coal tar with high flux centrifugal extractor

International Journal of Coal Science & Technology, 2017
Solvent extraction phenol from coal tar were carried out with novel composite YH-3 as extraction agent, and the high flux centrifugal extractor was used as extraction device.
Yuan Zhao, Xuefeng Mao, Weilin Li, Xiaohui Gu, Guangyao Wang   +4 more
doaj   +1 more source

Surface chemical properties and pore structure of the activated coke and their effects on the denitrification activity of selective catalytic reduction

International Journal of Coal Science & Technology, 2019
In order to study the mechanism of selective catalytic reduction of activated coke to remove NO in low-temperature flue gas and provide some theoretical basis for the development of related technologies.
Wei Xie, Daming Liang, Lanting Li, Sijian Qu, Wu Tao   +4 more
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Ecological aspects of managing the stressed- deformed state of the mountain massif during the development of multiple coal layers [PDF]

, 2018
The ecological consequences of long-term development of coal deposits for the components of the environment, buildings, communications and infrastructure facilities have been analysed.
Borysovska, Olena, Buzylo, Volodymyr, Pavlychenko, Artem, Savelieva, Tamara, бор, Бузило, В. И., Бузило, В. І., Бузило, Владимир Иванович, Бузило, Володимир Іванович, Павличенко, А. В., Павличенко, Артем Владимирович, Павличенко, Артем Володимирович   +11 more
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Research into the process of preparation of Ukrainian coal by the oil aggregation method [PDF]

, 2017
We conducted a study into concentration of Donetsk coal with varying degrees of coalification – anthracite and grade G – by the method of oil aggregation. We determined the character of impact of the following factors on the results of oil aggregation of
Biletskyi, V. S., Fursa, R., Gayko, G., Liakh, M., Molchanov, P., Orlovskyy, V., Savyk, V., Sokur, M., Yatsyshyn, T.   +8 more
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Mechanical properties and damage constitutive model of coal under the coupled hydro-mechanical effect

Rock and Soil Mechanics, 2021
In order to explore the impact of moisture on the mechanical properties of coal, the triaxial compression tests of raw coal with different moisture contents are carried out by using the triaxial servo-controlled seepage equipment for thermal-hydro ...
LI Bo-bo, WANG Zhong-hui, REN Chong-hong, ZHANG Yao, XU Jiang, LI Jian-hua   +5 more
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Response characteristics of mining-induced overburden strata under different degrees of regional fracturing on the roof

Meitan xuebao
To obtain the activity patterns and response characteristics of the overburden strata under different fracturing degrees of the roof, and thereby provide a reference for preventing and controlling roof-dominated rock burst through regional fracturing ...
Jianhong WU, Junfeng PAN, Meihua FENG, Chuang LU, Jiaming GAO, Yaodong YAN, Hongyuan MA   +6 more
doaj   +1 more source

Synthesis and study of some physicochemical features of Co-Pt nanostructured system [PDF]

BIO Web of Conferences
In the work by methods of XRD, TEM, SAED, XPS combined with mass-spectrometry of gaseous products, SAXS, and elemental analysis of samples the phase compositions and morphology of particles of nanostructured Co-Pt system synthesized by the method of ...
Zakharov Nikita, Tikhonova Irina, Popova Anna, Pugachev Valery, Dodonov Vadim, Prosvirin Igor, Krasheninin Viktor, Zakharov Yuri   +7 more
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Innovative Apparatus for Testing Filtration, Sorption and CO₂/CH₄ Exchange Sorption Processes Under Isobaric Conditions on Sorbent Subjected to Confining Pressure in Terms of Laboratory Tests of CO₂-ECBM Technology

Sensors, 2020
In recent years, the interest in the sorption properties of coal in conditions corresponding to in situ has increased due to the continuous development of research on CO2-ECBM (Enhanced Coal Bed Methane recovery) technology.
Mateusz Kudasik, Norbert Skoczylas, Anna Pajdak   +2 more
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Water absorption and salt attack resistance of coal ash brick made of different percentage of foam content [PDF]

, 2014
Coal ash which constitute of fly ash and bottom ash were proved to be used as main component in brick production. However, published work on the coal ash brick with addition of foam in order to produce lightweight brick is still lacking. This thesis
Ismail, Sushilawati
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