Coal-tars and their derivatives
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Coal-tars and their derivatives the production of tars from gas coals, coke ovens, water gas, oil gas, lignite, wood, and peat; the manufacture of pitch, asphalt, and bitumen; and the chemical examination and analysis of the raw materials & bye-products of the industry by Giuseppe Malatesta

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Published by E. & F.N. Spon, ltd., Spon & Chamberlain in London, New York .
Written in English


  • Coal-tar.,
  • Coal-tar products.

Book details:

Edition Notes

Statementby Dr. G. Malatesta, tr. from the 1st Italian ed., with revisions, corrections, and additions by the author; 180 illustrations.
LC ClassificationsTP953 .M3
The Physical Object
Paginationxi, 530 p.
Number of Pages530
ID Numbers
Open LibraryOL6632416M
LC Control Number21002953

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Coal Tar. Coal tar is a complex mixture of a larger number of aromatic hydrocarbons (benzene, naphthalene, anthracene, phenanthrene and their homologues), aromatic acids and nitrogen-containing compounds and it transpired that it was better to study the carcinogenic effect of separate fractions obtained by distillation at different temperatures.   James G. Speight, in Fuel Flexible Energy Generation, Carbonization. Carbonization is also an old technology insofar as it was used for the production of refinable tar products and coke (Speight, , a,b).More correctly, carbonization is the destructive distillation of organic substances in the absence of air accompanied by the production of carbon and liquid and gaseous. The coal-liquids (coal tars) The book provides, in a single source, hazard-analysis information for nea common industrial and laboratory materials. Naphthalene derivatives are of. Coal tar products can make the shower/bath very slippery. Be careful not to fall. Dosage is based on your medical condition, product type/brand, and response to treatment.

@article{osti_, title = {Two stage process for improving the catalyst life of zeolites in the synthesis of lower olefins from alcohols and their ether derivatives}, author = {Pieters, W J.M. and Okumura, Y}, abstractNote = {A process is described for converting an alcohol and/or ether feed as hereinafter defined to a hydrocarbon mixture rich in olefins which comprises contacting, under. Coke is the material left when water, coal-gas and coal-tar are driven off during the carbonization of coal at temperatures around o C in an airtight oven, a process refers as cokemaking or. Bitumen: (1) a class of amorphous, black or dark colored, (solid, semi-solid, or viscous) cementitious sub-stances, natural or manufactured, composed principally of high molecular weight hydrocarbons, soluble in carbon disulfide, and found in petroleum asphalts, coal tars and pitches, wood tars and asphalts; (2) a generic term used to denote. Ketones are major oxygen-containing compounds in low-temperature coal tars (LTCTs); however, the molecular composition of these compounds is not well characterized as a result of the complexity of itself and the interference of the coal tar matrix. In this study, ketones were separated from a LTCT and characterized by Fourier transform ion cyclotron resonance mass spectrometry (FT-ICR MS.

Vapor pressures and enthalpies of sublimation of polycyclic aromatic hydrocarbons and their derivatives vahur Journal of Chemical and Engineering Data. 1: Oja V, Suuberg EM. Measurements of vapor pressures of coal tars using the non-isothermal knudsen effusion method Acs Division of Fuel Chemistry, Preprints. 1: Wright&#;s Coal Tar Soap is an antiseptic soap that was first produced commercially in England in the mids. According to Grace&#;s Guide, a site that recounts the history of prominent British industries, the original Wright&#;s Coal Tar Soap included a byproduct from the coal distillation process and was considered an excellent treatment for skin problems such as psoriasis or eczema. Extended information on coal tars and their con-stituents is given in the Coal Tar Data Book (). As tar distillation is a commercial process, it should be realized that there will be some overlap between fractions. Phenol is obtained at 99% purity. Cresol of the British Pharmacopoeia () (2-, 3- and 4-cresols) must contain less than 2%. This report was created for strategic planners, international executives and import/export managers who are concerned with the market for distilling coal tars and manufacturing cyclic crudes, cyclic intermediates, and hydrocarbons from refined petroleum or natural gas excluding petrochemicals.