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Study on Industrial Application of OCT-MD Technology for Catalytic Gasoline Selective Hydrodesulfurization

Author: WangShuGui
Tutor: OuYangFuSheng；ChenWeiJun
School: East China University of Science and Technology
Course: Chemical Engineering
Keywords: FCC gasoline Clean Gasoline Hydrodesulfurization Catalyst
CLC: TE624.55
Type: Master's thesis
Year: 2010
Downloads: 102
Quote: 0
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Abstract


This paper reviews recent domestic clean gasoline production technology development. For MIP gasoline has become the main component of gasoline in the petrochemical system characteristics , Zhenhai Refining \u0026 Chemical Company and Fushun Petrochemical Research Institute of OCT-M technology has been improved, developed to adapt MIP olefin content of gasoline sulfur content and features to produce clean gasoline OCT-MD technology . By sweetening solution , MIP weight fraction of gasoline cut point temperature, reaction pressure , catalyst, hydrogen sulfide concentration of circulating factors such visits, the Zhenhai Refining and Chemical Company to undertake further OCT-MD technology for industrial applications to provide a good guidance. In OCT-MD technology , the use of pre sweetening process programs benefit in reducing the sulfur content of gasoline , while reducing the loss of RON . Zhenhai Refining \u0026 Chemical MIP gasoline light and heavy fractions suitable cutting point temperature is 95 ℃; utilize OCT-MD technology to produce the country Ⅲ standard of clean gasoline suitable reaction pressure 1.5MPa-1.8MPa, the reaction temperature is 235-245 ℃; weight gasoline fraction hydrodesulfurization unit recycle hydrogen H2S content should be controlled gt; 100mg/m3; and OCT-MD supporting FGH21/FGH31 catalyst , can meet the production of sulfur content lt; 150μg / g of clean gasoline , and the loss of RON 0.4 - 0.8 units . And proposed to avoid plant due to feedstock diene , gum and other high temperature polymeric protective agent in the distribution of the upper plate or the emergence of coking reactor pressure drop increased number of measures . In short, for MIP gasoline , OCT-MD technology can meet the sulfur content of the country Ⅲ standard of clean gasoline production needs ; through optimization of process conditions, but also with the production of the sulfur content of gasoline to the country Ⅳ standard cleaning ability .

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CLC: > Industrial Technology > Oil and gas industry > Oil, natural gas processing industry > Petroleum refining > The refining process > Refined treatment > Bleaching, deodorization, sweetening
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