low-temperature carbonization
41coal tar — coal tar, adj. a thick, black, viscid liquid formed during the distillation of coal, that upon further distillation yields compounds, as benzene, anthracene, and phenol, from which are derived a large number of dyes, drugs, and other synthetic… …
42Adsorption — is a process that occurs when a gas or liquid solute accumulates on the surface of a solid or a liquid (adsorbent), forming a film of molecules or atoms (the adsorbate). It is different from absorption, in which a substance diffuses into a liquid …
43chemical industry — Introduction complex of processes, operations, and organizations engaged in the manufacture of chemicals and their derivatives. Although the chemical industry may be described simply as the industry that uses chemistry and… …
44petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …
45Mount Vesuvius — This article is about the mountain/volcano in Italy. For other uses, see Vesuvius (disambiguation). Mount Vesuvius Monte Vesuvio …
46Electrosurgery — is the application of a high frequency electric current to human (or other animal) tissue as a means to remove lesions, staunch bleeding, or cut tissue. Electrosurgery can be used to cut, coagulate, desiccate, or fulgurate tissue.Hainer BL,… …
47The Last Dragon (2004 TV series) — The Last Dragon Dragon s World: A Fantasy Made Real (U.S. title) Title Screen Genre Fantasy / Docudrama Created by Charlie …
48Pyrolysis — is the chemical decomposition of organic materials by heating in the absence of oxygen or any other reagents, except possibly steam.It is used in chemical analysis to break down complex matter into simpler molecules for identification, for… …
49Carbon fiber — or carbon fibre [See American and British English spelling differences.] (alternately called graphite fiber, graphite fibre or carbon graphite) is a material consisting of extremely thin fibers about 0.0002–0.0004 inches (0.005–0.010 mm) in… …
50Coal gasification — is the process of producing coal gas, a type of syngas–a mixture of carbon monoxide (CO), hydrogen (H2), carbon dioxide (CO2) and water vapour (H2O)–from coal. Coal gas, which is a combustible gas, was traditionally used as a source of energy for …
