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Effect of operating conditions on the synthesis of dimethyl ether over a CuO-ZnO-Al2O3/NaHZSM-5 bifunctional catalyst
Abstract The effect of operating conditions (time on stream, temperature, pressure and space time) on the conversion of CO and CO2, selectivity to dimethyl ether (DME), yield of DME and productExpand
  • 123
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Deactivation and regeneration of hybrid catalysts in the single-step synthesis of dimethyl ether from syngas and CO2
Synthesis of dimethyl ether (DME) has been studied in a single reaction step, from H 2 + CO and H 2 + CO 2 , in a fixed bed reactor on CuO-ZnO-Al 2 O 3 /γ-Al 2 O 3 and CuO-ZnO-Al 2 O 3 /NaHZSM-5Expand
  • 127
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Reaction pathway for ethanol steam reforming on a Ni/SiO2 catalyst including coke formation
Abstract The effect operating conditions (temperature, space time, steam/ethanol molar ratio, ethanol partial pressure and time on stream) have on the activity and stability of a Ni/SiO 2 catalystExpand
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Influence of the membrane properties on the catalytic production of dimethyl ether with in situ water removal for the successful capture of co2
Abstract The incorporation of CO 2 as reactant co-fed with syngas for the direct synthesis of dimethyl ether (DME) using a bifunctional (CuO–ZnO–Al 2 O 3 /γ–Al 2 O 3 ) catalyst in a packed-bedExpand
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Thermal recycling of polystyrene and polystyrene-butadiene dissolved in a light cycle oil
A study has been made of the cracking on a mesoporous silica of polystyrene (PS) and polystyrene-butadiene (PS-BD) dissolved in a light cycle oil (LCO) from a product stream of a commercial fluidExpand
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Coke deactivation of Ni and Co catalysts in ethanol steam reforming at mild temperatures in a fluidized bed reactor
Abstract The deactivation by coke deposition of Ni and Co catalysts in the steam reforming of ethanol has been studied in a fluidized bed reactor under the following conditions: 500 and 700 °C;Expand
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Study of Physical Mixtures of Cr2O3−ZnO and ZSM-5 Catalysts for the Transformation of Syngas into Liquid Hydrocarbons
The effect of both the Cr/Zn atomic ratio of the Cr{sub 2}O{sub 3}-ZnO catalyst and the Si/Al ratio (different surface acidity) of the ZSM-5 catalyst on the activity and selectivity to gasoline isExpand
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Kinetic modelling of dimethyl ether synthesis from (H2 + CO2) by considering catalyst deactivation
Abstract A kinetic model has been established for the transformation of (H2 + CO2) into dimethyl ether (DME) on a CuO–ZnO–Al2O3/γ-Al2O3 bifunctional catalyst with excess γ-Al2O3 acid function. TheExpand
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Causes of deactivation of bifunctional catalysts made up of CuO-ZnO-Al2O3 and desilicated HZSM-5 zeolite in DME steam reforming
Abstract The deactivation causes have been studied for bifunctional catalysts used in the reforming of dimethyl ether (DME). The kinetic runs have been carried out in a fluidized bed reactor in theExpand
  • 35
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Deactivation Kinetics for Direct Dimethyl Ether Synthesis on a CuO−ZnO−Al2O3/γ-Al2O3 Catalyst
A kinetic model has been established for the deactivation of a CuO−ZnO−Al2O3/γ-Al2O3 catalyst in the direct synthesis of dimethyl ether. The model allows calculating the effect of the operatingExpand
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