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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 CrystaSulf ： ウィキペディア英語版 CrystaSulf CrystaSulf is the trade name for a chemical process used for removing hydrogen sulfide (H2S) from natural gas, synthesis gas and other gas streams in refineries and chemical plants.〔(Department of Energy Report on Hybrid Sulfur Recovery Process for Natural Gas Upgrading )〕〔(CrystaSulf – One-Step H2S to Sulfur Conversion for High-Pressure Natural Gas )〕 CrystaSulf uses a modified liquid-phase Claus reaction to convert the hydrogen sulfide (H2S) into elemental sulfur which is then removed from the process by filtration. CrystaSulf is used in the energy industry as a mid-range process to handle sulfur amounts between 0.1 and 20 tons per day. Below 0.1 tons of sulfur per day is typically managed by H2S Scavengers and applications above 20 tons per day are typically treated with the Amine – Claus process. ==Process chemistry== In the CrystaSulf process, a heavy hydrocarbon liquid is pumped through an absorber where the liquid contacts the gas stream that contains H2S. The H2S is absorbed from the gas stream and the clean gas stream then exits the absorber. The H2S in the liquid where it reacts with sulfur dioxide (SO2) to form elemental sulfur and water according to the following chemical equation. 2 H2S + SO2 → 3 S + 2 H2O The formed elemental sulfur remains dissolved in the hydrocarbon solution. Since the elemental sulfur remains dissolved, there are no solids, i.e., no slurry, in the absorber section of the process. This eliminates plugging problems that have been documented for aqueous redox processes when operated at high pressures. The SO2 that was present in the hydrocarbon solution was added prior to the solution being pumped into the absorber. The SO2 is chemically bound in the solution and readily available to react with H2S. The process is operated with an excess amount of SO2 in the solution so that there will always be sufficient amount for the liquid phase Claus reaction with H2S. 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「CrystaSulf」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.