2-18　アスファルテン加熱によるファウリング物質の調製と詳細分析

麓 恵里, 佐藤 信也, 柿沼 敏弘, 森本 正人, 森田 剛, 田中 隆三, 鈴木 昭雄

doi:10.20550/jiesekitanronbun.59.0_64

2-18　アスファルテン加熱によるファウリング物質の調製と詳細分析

DOI

麓恵里

産業技術総合研究所
佐藤信也

産業技術総合研究所
柿沼敏弘

産業技術総合研究所
森本正人

産業技術総合研究所
森田剛

千葉大学
田中隆三

出光興産株式会社石油エネルギー技術センター
鈴木昭雄

石油エネルギー技術センター

書誌事項

タイトル別名

2-18　Preparation of Fouling Deposits by Asphaltene Heating and Their Analysis

抄録

<p>Fouling deposits in crude oil heat exchanger contain organic compounds and iron compounds. The effect of iron compounds on the formation of the deposits was examined. Mixtures of asphaltene (As) and iron compounds (FeS, α-Fe₂O₃) were thermally treated at 365°C for 8 h. Approximately 60 % of toluene-insoluble fractions were recovered from As with and without iron compounds. The fractions were investigated by elemental analysis, LDI/TOF/MS and IR. The average molecular models of the fractions were determined using these measured data. The models of the fractions prepared from As/-, As/FeS and As/Fe₂O₃ showed polyaromatic structure. The number of aromatic rings of the fraction prepared from As/Fe₂O₃ was slightly larger than that of the fractions prepared from As/- and As/FeS. This result suggested lattice oxygen of α-Fe₂O₃ proceeded thermal decomposition and condensation reaction of As.</p>