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- W1997791702 abstract "Abstract Catalytic hydrodesulfurization (HDS) and hydrodechlorination (HDC) of chloroethyl ethyl sulfide (CEES) is carried out over a Ni–Mo/γ-Al2O3 catalyst and Ni and/or Mo supported on active carbon (AC) catalysts. The reactions are as follows: (i) C 2 H 5 – S – C 2 H 4 Cl + H 2 →2 C 2 H 4 + HCl + H 2 S (ii) C 2 H 5 – S – C 2 H 4 Cl +3 H 2 →2 C 2 H 6 + HCl + H 2 S At 300°C and 0.1 MPa, complete conversion of CEES is achieved in a fixed bed microreactor over Ni–Mo/γ-Al2O3 for 100 h with gas molar composition of H2 : CEES : He = 10 : 0.33 : 89.7 and 24,000 cm3/h/g·cat space velocity. The reaction is 98.0% selective to pure hydrocarbons (ethylene and ethane; Reaction (i) and (ii)) and 2% to ethyl mercaptan on Ni–Mo/γ-Al2O3. Over Ni–Mo/AC, the reaction is more selective toward pure hydrocarbons with >99.5% selectivity. The activity order converting CEES to pure hydrocarbons at 300°C is Ni–Mo/AC > Ni–Mo/γ-Al2O3 > Mo/AC > Ni/AC. For all catalysts, the concentration of chlorinated hydrocarbon (chloroethane) is much less than the concentration of sulfur-containing compounds (diethyl sulfide [DES] and ethyl mercaptan) in the product stream, suggesting that hydrodechlorination (HDC) is faster than hydrodesulfurization (HDS) of CEES. Two sulfur-containing compounds — 1,2 bis(ethylthio) ethane and 1,4 dithiane — are detected at short residence times. This indicates the reaction pathway is more complicated than simple HDS and/or HDC reactions." @default.
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- W1997791702 date "2000-01-01" @default.
- W1997791702 modified "2023-09-22" @default.
- W1997791702 title "Catalytic hydrodesulfurization and hydrodechlorination of chloroethyl ethyl sulfide" @default.
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- W1997791702 doi "https://doi.org/10.1016/s0920-5861(99)00221-7" @default.
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