coal distillation

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• Distillation — Dis til*la tion (d[i^]s t[i^]l*l[=a] sh[u^]n), n. [F. distillation, L. destillatio.] 1. The act of falling in drops, or the act of pouring out in drops. [1913 Webster] 2. That which falls in drops. [R.] Johnson [1913 Webster] 3. (Chem.) The… …   The Collaborative International Dictionary of English

• coal 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… …   Universalium

• Coal 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 …   Wikipedia

• Coal tar — is a brown or black liquid of extremely high viscosity, which smells of naphthalene and aromatic hydrocarbons. Coal tar is among the by products when coal is carbonized to make coke or gasified to make coal gas. Coal tars are complex and variable …   Wikipedia

• Coal liquefaction — is the process of producing synthetic liquid fuels from coal. Contents 1 Methods 1.1 Pyrolysis and carbonization processes 1.2 Hydrogenation processes 1.3 …   Wikipedia

• coal oil — ☆ coal oil n. 1. kerosene or any other oil obtained by fractional distillation of petroleum 2. crude petroleum 3. unrefined oil, obtained by destructive distillation of coal: used as a lamp fuel …   English World dictionary

• Coal tar — A thick, black, tarry liquid, obtained by the distillation of bituminous coal in the manufacture of illuminating gas; used for making printer s ink, black varnish, etc. It is a complex mixture from which many substances have been obtained,… …   The Collaborative International Dictionary of English

• coal tar — coal′ tar n. chem. a viscid black liquid obtained by distillation of coal, used in making dyes, drugs, and other synthetic compounds • Etymology: 1775–85 coal′ tar , adj …   From formal English to slang

• coal gas — n. 1. a gas produced by the destructive distillation of bituminous coal: used for lighting and heating 2. a poisonous gas given off by burning coal …   English World dictionary

• coal oil — coal′ oil n. 1) ene brit. petroleum obtained by the destructive distillation of bituminous coal 2) ene brit. kerosene • Etymology: 1855–60, amer …   From formal English to slang

• coal tar — n. a black, thick, opaque liquid obtained by the destructive distillation of bituminous coal, used in making dyes, medicines, plastics, paints, etc …   English World dictionary