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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク BTX (chemistry) ： ウィキペディア英語版 BTX (chemistry) In the petroleum refining and petrochemical industries, the initialism BTX refers to mixtures of benzene, toluene, and the three xylene isomers, all of which are aromatic hydrocarbons. The xylene isomers are distinguished by the designations ''ortho'' – (or ''o'' –), ''meta'' – (or ''m'' –), and ''para'' – (or ''p'' –) as indicated in the adjacent diagram. If ethylbenzene is included, the mixture is sometimes referred to as BTEX. The BTX aromatics are very important petrochemical materials. Global consumption of benzene, estimated at more than 40,000,000 tons in 2010, showed an unprecedented growth of more than 3,000,000 tons from the level seen in 2009. Likewise, the para-xylene consumption showed unprecedented growth in 2010, growing by 2,800,000 tons, a full ten percent growth from 2009.〔(The Future of Benzene and Para-Xylene after Unprecedented Growth In 2010 ). From a ChemSystems report in 2011.〕 Toluene is also a valuable petrochemical for use as a solvent and intermediate in chemical manufacturing processes and as a high octane gasoline component.〔(The BTX Chain: Benzene, Toluene, Xylene ). Chapter 4 of the DOE's Office of Energy Efficiency and Renewable Energy (EERE) report entitled ("Energy and Environmental Profile of the U.S. Chemical Industry" of May 2000. )〕〔(Use of Process Analytics in Aromatics (BTX and phenol) production plants ). Case Study, August 2008. (scroll down to "Aromatics" section.〕〔(Benzene/Toluene ). Introduction to a ChemSystems report, 2009.〕〔(10.6 Aromatics ), Online Italian (''Encyclopedia of Hydrocarbons'' ), Istituto della Enciclopedia Italiana, Volume II, 2006, pages 603-605.〕 ==Properties of the BTX hydrocarbons== The table below lists some of the properties of the BTX aromatic hydrocarbons, all of which are liquids at typical room conditions: 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「BTX (chemistry)」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.