Search Results - "Papayannakos, N.G"

Study of the catalyst deactivation in an industrial gasoil HDS reactor using a mini-scale laboratory reactor by Kallinikos, L.E., Bellos, G.D., Papayannakos, N.G.

“…The activity of a hydrodesulphurization catalyst loaded in an industrial hydrotreater is studied at start up and end of run. Catalyst initial and final…”
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Modelling of the performance of industrial HDS reactors using a hybrid neural network approach by Bellos, G.D., Kallinikos, L.E., Gounaris, C.E., Papayannakos, N.G.

“…A hybrid neural network model is presented for the simulation of the performance of industrial HDS reactors. This model can be used in estimating the catalyst…”
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The gas–liquid contacting effect on the operation of small scale upflow hydrotreaters by Bellos, G.D., Gotsis, K.P., Papayannakos, N.G.

“…The effect of reactor geometry and bed dilution on the extent of gas oil hydrodesulfurization was tested by conducting hydrodesulfurization experiments in two…”
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Simulation of the operation of an industrial wet flue gas desulfurization system by Kallinikos, L.E., Farsari, E.I., Spartinos, D.N., Papayannakos, N.G.

“…In this work the simulation of a wet flue gas desulfurization (FGD) unit with spray tower of a power plant is presented, aiming at an efficient follow-up and…”
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Preparation of Al2O3 carriers in an integrated mini pilot unit by KALOIDAS, V, THANOS, A. M, TSAMATSOULIS, D. C, PAPAYANNAKOS, N. G

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The use of a three phase microreactor to investigate HDS kinetics by Bellos, G.D, Papayannakos, N.G

“…Hydrodesulphurization (HDS) kinetics of a straight run heavy gas oil has been studied using data collected from a trickle bed microreactor loaded with a…”
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Kinetics of catalytic reaction of methane and hydrogen sulphide over MoS 2 by Megalofonos, S.K., Papayannakos, N.G.

“…The reaction of methane and hydrogen sulphide over MoS 2 catalyst has been studied in a fixed bed tubular reactor over a temperature range of 973 to 1073 K…”
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Kinetics of the catalytic reaction of methane and hydrogen sulphide over a PtAl2O3 catalyst by Megalofonos, S.K., Papayannakos, N.G.

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An improved weighted average reactor temperature estimation for simulation of adiabatic industrial hydrotreaters by Stefanidis, G.D., Bellos, G.D., Papayannakos, N.G.

“…A study on the improvement of the representative operating temperature from the temperature profile of an industrial adiabatic reactor is presented. This…”
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Kinetics of the catalytic reaction of methane and hydrogen sulphide over a Pt Al 2O 3 catalyst by Megalofonos, S.K., Papayannakos, N.G.

“…The reaction of methane and hydrogen sulphide over a Pt Al 2O 3 catalyst has been studied in a fixed bed tubular reactor over a temperature range of 973 to…”
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Al-pillared clays: from lab syntheses to pilot scale production characterisation and catalytic properties by Moreno, S., Gutierrez, E., Alvarez, A., Papayannakos, N.G., Poncelet, G.

“…The textural and structural characteristics, and the acid and catalytic properties of Al-pillared saponites prepared in kg amounts (pilot installation) have…”
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The gas–liquid contacting effects on liquid dispersion in pilot scale upflow hydrotreaters by Bellos, G.D., Gotsis, K.P., Galtier, P.A., Papayannakos, N.G.

“…A model for the estimation of the extent of the non-ideal liquid flow from RTD data at operating conditions in small-scale hydrotreaters has been developed…”
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Kinetics of catalytic reaction of methane and hydrogen sulphide over MoS2 by Megalofonos, S.K., Papayannakos, N.G.

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Bed length effect on the liquid phase non-idealities and holdup in pilot scale upflow reactors by Thanos, A.M., Bellos, G.D., Galtier, P.A., Papayannakos, N.G.

“…Residence time distribution experiments were carried out at ambient conditions in pilot scale upflow reactors. Diluted and non-diluted beds of various lengths…”
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Preparation of Al 2O 3 carriers in an integrated mini pilot unit by Kaloidas, V., Thanos, A.M., Tsamatsoulis, D.C., Papayannakos, N.G.

“…Key factors for integrated pilot preparation of different Al 2O 3 carriers are presented in this work. Physicochemical properties of the intermediate and final…”
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Liquid dispersion and holdup in a small-scale upflow hydrotreater at high temperatures and pressure by Thanos, A.M., Galtier, P.A., Papayannakos, N.G.

“…Residence time distribution experiments were carried out at high temperatures and pressure in a small-scale upflow reactor. A diluted and a non-diluted bed…”
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The effect of dilution on the liquid-phase non-idealities in pilot scale upflow reactors by Thanos, A.M., Galtier, P.A., Papayannakos, N.G.

“…Residence time distribution (RTD) experiments were carried out in pilot plant reactors using diluted and non-diluted beds. Feeds with properties at ambient…”
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Liquid flow non-idealities and hold-up in a pilot scale packed bed reactor with cocurrent gas-liquid upflow by Thanos, A.M., Galtier, P.A., Papayannakos, N.G.

“…Residence time distribution (R.T.D.) experiments were carried out in a pilot scale upflow reactor. Feeds with properties similar to the properties of feeds at…”
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Kinetic studies on the catalytic decomposition of hydrogen sulfide in a tubular reactor by Kaloidas, Vassilios E, Papayannakos, Nickos G

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Kinetic studies of homogeneous nitration of toluene by Papayannakos, Nikos G, Petrolekas, Panagiotis

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