coal naphtha

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• Naphtha — Naph tha (n[a^]f th[.a] or n[a^]p th[.a]), n. [L. naphtha, Gr. na fqa, fr.Ar. nafth, nifth.] 1. (Chem.) The complex mixture of volatile, liquid, inflammable hydrocarbons, occurring naturally, and usually called {crude petroleum}, {mineral oil},… …   The Collaborative International Dictionary of English

• Naphtha vitrioli — Naphtha Naph tha (n[a^]f th[.a] or n[a^]p th[.a]), n. [L. naphtha, Gr. na fqa, fr.Ar. nafth, nifth.] 1. (Chem.) The complex mixture of volatile, liquid, inflammable hydrocarbons, occurring naturally, and usually called {crude petroleum}, {mineral …   The Collaborative International Dictionary of English

• naphtha — [naf′thə, nap′thə] n. [L < Gr naphtha, naphtha, bitumen < Pers neft, pitch < ? IE base * nebh , damp, water > Gr nephelē, cloud, fog] 1. a flammable, volatile, oily liquid produced by the fractional distillation of petroleum: it is… …   English World dictionary

• 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 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

• naphtha — ► NOUN ▪ a flammable oil distilled from coal, shale, or petroleum. ORIGIN Greek …   English terms dictionary

• naphtha — naphthous, adj. /naf theuh, nap /, n. 1. a colorless, volatile petroleum distillate, usually an intermediate product between gasoline and benzine, used as a solvent, fuel, etc. Cf. mineral spirits. 2. any of various similar liquids distilled from …   Universalium

• Naphtha — Not to be confused with naphthalene, a solid benzene derivative which is the main ingredient in mothballs. Naphtha (  /ˈn …   Wikipedia

• Naphtha launch — An Escher Wyss launch of 1888 Alfred Nobel s aluminium hulled …   Wikipedia

• coal tar — noun a tar formed from distillation of bituminous coal; coal tar can be further distilled to give various aromatic compounds • Hypernyms: ↑pitch, ↑tar • Substance Meronyms: ↑naphthalene * * * noun : tar obtained by the destructive distillation of …   Useful english dictionary

• Naphtha flare — Most naphtha flare lamps are forerunners of the nowadays widely known high pressure parrafin lamps such as Coleman, Tilley and Petromax, They were invented around 1830 and widely used by showmen, market stall holders, and circuses until World War …   Wikipedia