Coal anion structure and chemistry of coal alkylation

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  • English
Dept. of Energy, for sale by the National Technical Information Service] , [Washington], [Springfield, Va
SeriesCOO ; 4227-9
ContributionsStock, Leon M, United States. Dept. of Energy
The Physical Object
Paginationv. :
ID Numbers
Open LibraryOL14877718M

Get this from a library. Coal anion structure and chemistry of coal alkylation. [Leon M Stock; University of Chicago.; United States. Department of Energy.]. Get this from a library. Coal anion structure and chemistry of coal alkylation.

[University of Chicago.; United States. Energy Research and Development Administration.]. Some publications are related to chemical coal structure and coal reaction chemistry, while others discuss how coal liquefaction could be implemented commercially.

Bartis J T, Camm F and Ortiz D S,Producing Liquid Fuels from Coal: Prospects and Policy Coal anion structure and chemistry of coal alkylation book, Rand Corporation: Santa Monica, CA, pp.

15–48, 59– Alkylation of bituminous and subbituminous coal anion with ethyl iodide resulted in the addition of 16 and 14 ethyl groups per carbon atoms. The. The Chemistry and Technology of Coal, Third Edition maintains its initial premise: to introduce the science of coal, beginning with its formation in the ground to the production of a wide variety of products and petrochemical intermediates in the twenty-first century.

The book will prove useful for scientists and engineers already engaged in. Reductive alkylation of coal. The same procedure and equipment as for coal reduction were applied. In order to obtain methylated coal the coal anion was treated with cm 3 CH 3 I, while to obtain deuteromethylated coal it was treated with cm 3 CD 3 I.

Application of non-reductive alkylation in liquid ammonia to studies on macromolecular structure of coals and bitumen-derived asphaltene Helena Wachowska, Teresa Ignasiak, Otto P. Strausz, Denis Carson* and Boleslaw Ignasiak* Hydrocarbon Research Centre, Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada T6G * Coal.

Chemical structure of coals as indicated by reductive alkylation Helena Wachowska Institute of Chemistry, A. Mickiewicz University, Grunwaldzka 6, Poznan, Poland (Received 2 February ) Reduction with potassium in tetrahydrofuran in the presence of naphthalene, and alkylation of the 'coal anion', were applied to coals of different rank.

Description Coal anion structure and chemistry of coal alkylation PDF

Description Coal Science, Volume 1 presents and evaluates the fundamental scientific areas involved with the structure, reactivity, and utilization of coal. This book reviews the coal's inorganic structure and reactivity and the role that ionic bonding plays in coal's chemical and physical structure and reactivity.

Anthracite, bituminous and subbituminous coal when treated with naphthalene anion in tetrahydrofuran added negative charges to form the corresponding coal anions. Alkylation of bituminous and subbituminous coal anion with ethyl iodide resulted in the addition of 16 and 14 ethyl groups per carbon atoms.

The reductive alkylation of coal, involving reduction by alkali metal naphthalenide followed by alkylation by alkyl halide, involves chemistry that is more complex than that of the reductive alkylation of simple aromatic compounds.

With the coal, reduction is not accompanied by formation of significant quantities of radical anions, and alkylation can occur by nonreductive.

Description Coal Structure deals with the structure, mineral and organic components, and the physical and chemical properties of coal. The book is composed of papers that present a detailed and coherent description of both the physical and chemical structure of coal and the effect of coal structural features on coal processing.

Determination of the fraction of organic carbon observable in coals and coal derivatives measured by high-resolution solid-state carbon nuclear magnetic resonance spectrometry.

Analytical Chemistry58 (2), DOI: /aca The chemistry of the reaction of coal with methanol and sodium hydroxide involves not only hydrogenation, mainly through the mechanism of hydride transfer from alcohol anion, and alkylation of aromatic systems but also several other types of coal structure transformations: hydrolytic cleavage of bonds, mainly ether bridges, and elimination and chemical blocking (O-alkylation.

Shinn J. From coal to single-stage and two-stage products: a reactive model of coal structure. Fuel 63(9),Elsevier Science Ltd. [This work proposes a model structure of coal constructed using detailed structural data.] Takanohashi T., Nakamura K., and Iino M.

Computer Simulation of Methanol Swelling of Coal Molecules. It was therefore decided to alkylate coals with alkylating agents of known structure and study their behaviour on carbonization. This seems to be the first time that alkylation of coal.

Chemical structure of coal macerals in Balmer 10 coal and fusinite from Illinois coal as indicated by reductive alkylation. Fuel58 (4), DOI: /(79) Lawrence B.

Alemany, Scott R. King, Leon M. Stock. Proton and carbon n.m.r. spectra of butylated coal. Silicate intercalated CoAl hydrotalcite materials were synthesized (CoAl-HT-Si) and systematically characterized. The intercalated hydrotalcite materials lead to the formation of solid solutions of cobalt silicate and cobalt spinel structures, which have higher surface area and pore volume than pure CoAl-HT.

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The demand for coal use (for electricity generation) and coal products, particularly liquid fuels and chemical feedstocks, is increasing throughout the world. Traditional markets such as North America and Europe are experiencing a steady increase in demand whereas emerging Asian markets, such as Ind.

The book will prove useful for scientists and engineers already engaged in the coal and/or catalyst manufacturing industry looking for a general overview or update on the clean coal technology as well as professional researchers and students in chemistry.

An Introduction to Coal Technology provides an overview explaining what coal is, how it came into being, what its principal physical and chemical properties are, and how it is handled or processed for particular end uses. This book is divided into two parts; the first of which focuses on coal science and the second on technology.

Coal - Coal - Structure and properties of coal: The plant material from which coal is derived is composed of a complex mixture of organic compounds, including cellulose, lignin, fats, waxes, and tannins. As peat formation and coalification proceed, these compounds, which have more or less open structures, are broken down, and new compounds—primarily aromatic.

"Industrial Structure, Union Strategy and Strike Activity in Bituminous Coal Mining, - ", Social Science History () 16#1 pp 1 – Seltzer, Curtis. Fire in the Hole: Miners and Managers in the American Coal Industry University Press of Kentucky,conflict in the coal industry to the s.

Coal provides numerous raw materials like benozle, coal tar, sulphate of ammonia, creosote, etc.

Details Coal anion structure and chemistry of coal alkylation PDF

to chemical industries. Coal is mostly used as a source of energy is most of the industries. Gasification and Liquefaction. Coal can be turned into synthetic gas which a mixture of carbon monoxide and hydrogen. Coal structure and coal science: overview and recommendations --An estimation of average aromatic ring size on an Iowa vitrain and a Virginia vitrain --Magnetic resonance study of labeled guest molecules in coal --Nature of the free radicals in coals, pyrolyzed coals, solvent-refined coal, and coal liquefaction products --Temperature dependence.

The structure also includes varying amounts of sulphur and other environmental pollutants. Up to one tenth of the total mass of coal can be material with no fuel value Coal is usually analysed for moisture, volatile matter, fixed carbon and ash.

O-alkylation chemistry of coal and its implications for the chemical and physical structure of coal Journal Article Liotta, R ; Rose, K ; Hippo, E - J. Org. Chem.; (United States) The O-alkylation of coal by the use of a quaternary ammonium hydroxide base and a primary alkyl halide is a general method for the preparation of coal derivatives.

@article{osti_, title = {Selective deprotonation of carbon acids in an Illinois No. 6 coal. [O-methylated coal is treated with a series of carbanions (9-phenylfluoenyl, fluorenyl and trityl anion) followed by capping with carbon 14 labelled methyl iodide)]}, author = {Chambers, Jr, R R and McKamey, D R}, abstractNote = {The development of improved methodology for converting coal.

@article{osti_, title = {Coal liquefaction by alkylation. Final report. [15 refs]}, author = {Larsen, J. W.}, abstractNote = {A study of the Friedel-Crafts alkylation of coal was undertaken to see whether the introduction of alkyl groups would result in the production of a pumpable liquid fuel from coal.

Such behavior was predicted by one popular model for the structure of coal. @article{osti_, title = {Superacid catalyzed coal conversion chemistry. Final technical report, September 1, September 1, }, author = {Olah, G A}, abstractNote = {This research project involved the study of a raw comparatively mild coal conversion process.

The goal of the project was to study model systems to understand the basic chemistry involved. Now in its Second edition, the Handbook has been rewritten to include new coverage on environmental issues and regulations as related to coal.

A glossary at the end of the book provides terms that are useful to the reader. The book provides the advantages and limitations in understanding the quality and performance of cturer: Wiley.Core–shell [email protected] composites were designed and synthesized as a highly shape-selective catalyst for toluene alkylation with methanol by passivating the nonselective acid sites and tuning the diffusion behavior.

The synthesis parameters were comprehensively investigated, indicating the importance of the Si/A Catalysis Science & Technology Hot [email protected]{osti_, title = {Macromolecular structure of coals. 6. Mass spectroscopic analysis of coal-derived liquids}, author = {Hooker, D T and Lucht, L M and Peppas, N A}, abstractNote = {The macromolecular structure of coal networks was analyzed by depolymerizing coal samples using the Sternberg reductive alkylation and the Miyake alkylation techniques.