Results 261 to 270 of about 479,041 (306)

Pyrolysis—gas chromatography of natural and synthetic melanins

Journal of Analytical and Applied Pyrolysis, 1983
Abstract Curie-point pyrolysis—gas chromatography—mass spectrometry was used for the characterization of melanins from black human hair, bovine eyes and model polymers derived from tyrosine, 3,4-dihydroxyphenylalanine and 3,4-dihydroxyphenethylamine.
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Production of synthetic natural gas from industrial carbon dioxide

Applied Energy, 2020
Abstract The Power-to-Gas strategy has become a mainstream topic for decarbonization and development of renewables and flexibility in energy systems. One of the key arguments for decarbonizing the gas network is to take advantage of existing network infrastructure, gradually transitioning to lower fossil carbon sources of methane from Power-to-Gas ...
Remi Chauvy, Lionel Dubois, Paul Lybaert, Diane Thomas, Guy De Weireld   +4 more
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Economic efficiency of synthetic motor fuels from natural gas

Studies on Russian Economic Development, 2012
In this paper we study alternative ways to meet the demand for motor fuels growing in connection with the inevitable rise in oil prices over the next decade or two. One of these is to use natural gas as a motor fuel and as a raw material for synthetic motor oils.
Yu. V. Sinyak, A. Yu. Kolpakov
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Characterizing the Gas Permeability of Natural and Synthetic Materials

Transport in Porous Media, 2009
The objective of this article is to propose an experimental method to compare the gas permeability of all the different materials used as gas barrier, such as compacted clay liners or geomembranes. This method is based on the falling pressure experiment, allowing the determination of a single coefficient whatever the material tested.
Barral, Camille, Oxarango, Laurent, Pierson, Patrick   +2 more
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Synthetic natural gas (SNG) liquefaction processes with hydrogen separation

International Journal of Hydrogen Energy, 2017
Abstract The fact that synthetic natural gas (SNG) contains hydrogen has a great impact on its liquefaction process. Aiming to produce liquefied natural gas (LNG) from SNG, hydrogen separation from SNG through cryogenic processes is studied. A new separation method combining distillation and flash is developed, resulting in higher liquefaction rate ...
Wensheng Lin, Jingxuan Xu, Lin Zhang, Anzhong Gu   +3 more
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Pyrolysis Gas Chromatography of Natural Rubber and Synthetic Polyisoprene

Rubber Chemistry and Technology, 1968
Abstract Pyrolysis gas Chromatographic isothermal and temperature programed separation of volatile components of unvulcanized natural rubber and synthetic polyisoprene was made on P-E columns Q and U. Besides identifications, relative quantitative differences between pyrolysis degradations of natural rubber and synthetic polyisoprene in ...
M. Jernejčič, L. Premru
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Membranes utilization for biogas upgrading to synthetic natural gas

2019
The use of membranes for selective CO2 separation from biogas, also commonly known as biogas upgrading, is reviewed in this chapter. Nowadays, compared to other well-established technologies such as pressure swing adsorption (PSA), or scrubbing, membrane technology has not found large industrialization for biogas upgrading because of the current ...
Medrano, Jose Antonio, Llosa-Tanco, Margot Anabell, Pacheco Tanaka, David Alfredo, Gallucci, Fausto   +3 more
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Greenhouse gas emissions from synthetic natural gas production

Nature Climate Change, 2016
Sheng Li, Lin Gao
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Synthetic Natural Gas from Peat

Industrial & Engineering Chemistry Product Research and Development, 1979
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Reply to 'Greenhouse gas emissions from synthetic natural gas production'

Nature Climate Change, 2016
Chi-Jen Yang, Robert B. Jackson
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