Results 91 to 100 of about 22,366 (236)

Evolution behavior of active phase of oil-soluble iron catalysts during direct liquefaction of Shangwan coal

open access: yesInternational Journal of Coal Science & Technology
Oil-soluble catalyst is a promising alternative to non-oil-soluble catalyst due to excellent dispensability in coal-oil slurry and relatively high activity.
Haijing Hao   +5 more
doaj   +1 more source

Analysis of Coal Quality Characteristics and Clean and Efficient Utilization of Taiyuan Formation No. 8 Coal Seam in Majialiang-Fangziping Area of Fugu Mining Area [PDF]

open access: yesE3S Web of Conferences
The main coal bearing strata in the Majialiang-Fangziping section of the Fugu mining areaare the Shanxi Formation of the Lower Permian and the Taiyuan Formation of the Upper Carboniferous.
Wang Wenbo, Bao Zhihong, Pan Chunjuan
doaj   +1 more source

Biogasification of soma lignite by microorganisms [PDF]

open access: yes, 2010
The main scopes of this study are to analyze the bacterial activity on the coal samples which come from Soma basin in Turkey and investigation of the bacterial gas production of these samples.
Baysal, Mustafa   +2 more
core  

Regularities of hydromechanical amber extraction from sandy deposits [PDF]

open access: yes, 2019
Purpose is to analyze the efficiency of hydromechanical amber extraction from sandy deposits relying upon the determined regularities concerning the effect of parameters while carrying out a series of laboratory tests and full-scale experiments. Methods.
Khrystyuk, A   +5 more
core   +1 more source

Asphaltenes and preasphaltenes from coal liquid extracts: feedstocks to obtain carbon mesophase

open access: yesRevista Facultad de Ingeniería Universidad de Antioquia, 2014
The aim of this work was to produce mesophase by using preasphaltenes and asphaltenes from coal liquid extracts obtained in a Direct Coal Liquefaction (DCL)  process.
Juan Barraza   +2 more
doaj   +1 more source

Hydrogen production econometric studies [PDF]

open access: yes
The current assessments of fossil fuel resources in the United States were examined, and predictions of the maximum and minimum lifetimes of recoverable resources according to these assessments are presented.
Bannerot, R. B., Howell, J. R.
core   +1 more source

Induced innovation and relavtive factor share [PDF]

open access: yes, 2011
We build up an induced innovation model based on Popp's article in AER, 2002. His model measured the effect of energy prices on energy-efficient innovations. Using the relative factor shares of energy and labor instead of the energy prices per se, we are
Lu, Yanpin
core   +1 more source

California Methanol Assessment; Volume II, Technical Report [PDF]

open access: yes, 1983
A joint effort by the Jet Propulsion Laboratory and the California Institute of Technology Division of Chemistry and Chemical Engineering has brought together sponsors from both the public and private sectors for an analysis of the prospects for methanol
Dutzi, E.   +5 more
core  

Pencairan Batubara Peringkat Rendah Papua Menggunakan Katalis Bijih Besi

open access: yesJurnal Rekayasa Kimia & Lingkungan, 2017
Low rank coal utilization often adversely affects the equipment used. Distinct with coal liquefaction technology that prioritizes the use of low rank coal.
Harli Talla, Herman Tjolleng Taba
doaj   +1 more source

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