Results 101 to 110 of about 41,757 (268)

United States transportation fuel economics (1975 - 1995) [PDF]

open access: yes
The United States transportation fuel economics in terms of fuel resources options, processing alternatives, and attendant economics for the period 1975 to 1995 are evaluated. The U.S.
Alexander, A. D., III
core   +1 more source

Liquefied Natural Gas for Europe - Some Important Issues for Consideration [PDF]

open access: yes, 2008
The delivery of liquefied natural gas (LNG) from various suppliers by sea, as an alternative to pipeline shipments and supplies, is seen as a way to secure and diversify natural gas imports in the EU. The purpose of this study is to investigate four main
GEORGAKAKI Aliki   +2 more
core   +1 more source

Preconversion processing of bituminous coals: New directions to improved direct catalytic coal liquefaction. [High temperature soaking coal in coal liquids prior to liquefaction] [PDF]

open access: yes, 1992
Soaking coal in coal liquids at 300-400[degrees]C (high-tenperature soaking) has been studied for coal dissolution prior to liquefaction in the previous task. Two high-volatile bituminous coals, Illinois No. 6 and Pittsburgh No. 8, were examined in three different coal liquids.
openaire   +2 more sources

Preconversion processing of bituminous coals: New directions to improved direct catalytic coal liquefaction [PDF]

open access: yes, 1993
Improved coal liquefaction was reinvestigated for the current two-stage process on the basis of the associated molecular nature of coal. Since a significant portion of coal molecules are physically associated as pointed in our recent paper, physical dissolution should be considered.
openaire   +5 more sources

Comprehensive Quantitative Analysis of Coal-Based Liquids by Mask R-CNN-Assisted Two-Dimensional Gas Chromatography

open access: yesSeparations
A comprehensive understanding of the compositions and physicochemical properties of coal-based liquids is conducive to the rapid development of multipurpose, high-performance, and high-value functional chemicals.
Huan-Huan Fan   +3 more
doaj   +1 more source

Preconversion processing of bituminous coals: New directions to improved direct catalytic coal liquefaction. [Effect of pretreatment before liquefaction] [PDF]

open access: yes, 1992
The main task of this quarter was to install reactors to conduct preconversion and liquefaction of coal. Coal and coal liquids were collected. The anaerobic chamber (Model 855-AC; Plas Labs, inc.) was procured and set up to store coal samples under an inert gas.
openaire   +2 more sources

Life cycle greenhouse gas emissions of conventional and alternative steel production methods in countries dependent on energy import: A South Korean case study

open access: yesEnergy Conversion and Management: X
This study used a life cycle assessment to quantitatively compare greenhouse gas emissions among traditional coal blast furnaces and alternative methods such as hydrogen direct reduction, natural gas direct reduction, and electric arc furnaces ...
Juha Lee   +3 more
doaj   +1 more source

Study of Systems and Technology for Liquid Hydrogen Production Independent of Fossil Fuels [PDF]

open access: yes
Based on Kennedy Space Center siting and logistics requirements and the nonfossil energy resources at the Center, a number of applicable technologies and system candidates for hydrogen production were identified and characterized.
Baker, C. R.   +6 more
core   +1 more source

Commission v. Gazprom: The antitrust clash of the decade? CEPS Policy Brief No. 285, 31 October 2012 [PDF]

open access: yes, 2012
This new CEPS Policy Brief boldly asserts that the antitrust case launched by DG Competition against Gazprom on September 4th will turn out to be the landmark antitrust case of this decade, in much the same way that Microsoft v.
Riley, Alan.
core  

Etude d'un procédé d'hydroliquéfaction du charbon pour la production simultanée de gaz et de carburant . . . . . Studies of a Coal Hydrogenation Process to Produce CO-Currently Gas and Gasoline

open access: yesOil & Gas Science and Technology, 2006
Un des principaux moyens de réintroduire le charbon dans le marché énergétique français est de le transformer en produits utiles comme le gaz de réseau ou les carburants.
Franckowiak S.   +4 more
doaj   +1 more source

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