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var q = 'cracking+thiophene';The scope of the present study is to describe the cracking behavior of sulfur compounds during the fluid catalytic cracking (FCC) process.

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Catalytic cracking of thiophene and benzothiophene: Mechanism and kinetics J A Vallaa,b,*, A.

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It was found that the equilibrium catalyst (Ecat) promotes the deposition of S in coke while steamed deactivated catalyst favors the alkylation and saturation reactions.. Experiments were performed in a fixed bed reactor unit, short contact time-microactivity testing (SCT-MAT) using a commercially available FCC catalyst deactivated with two different methods: steam deactivation with no metals using a laboratory fluid bed reactor and deactivation occurring in an industrial FCC unit (equilibrium).. Rozanska Online pulse-reaction chromatography, MS transient response technique and fixed bed reaction apparatus were used to investigate the cracking of thiophene and al.. Benzothiophene is more reactive than thiophene and it participates in alkylation reactions resulting in heavier sulfur compounds with a boiling point outside the gasoline range.. The experimental results indicated that thiophene is a very stable molecule, which undergoes mainly desulfurization reactions (leading to H2S and S deposition in coke), while alkylation and saturation reactions take place to a lower extent. Ikea Bedroom Planner Download Bedroom Planner For Mac

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Specifically, the cra Title A DFT study of the cracking reaction of thiophene activated by zeotype catalysts: role of the basic Lewis site Author X.. The latter represents a relatively slow deactivation in the presence of metals deposited from the feedstock and it was used in order to investigate the impact of Ni and V on the reaction mechanism.. Specifically, the cracking mechanism of thiophene and benzothiophene molecules was investigated using model compounds. spb wallet desktop keygen generator online

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The model compounds were run in small concentrations either with hexadecane or with FCC gas oil.. Parity plots of experimental and predicted yields, as well as statistical analysis of the estimated kinetic parameters indicated that the suggested models simulated satisfactorily the cracking behavior of the specific sulfur compounds under the FCC conditions.. Theeffectsofreactions,differentparaffinsasreactants,and differentzeolitesascat alysts,on the cracking desulfurization of thiophene contained paraffins were.. A Lappasb, I A Vasalosa aLaboratory of Petrochemical Technology. The above reactions are mainly promoted using the steamed catalyst Based on the experimental results, reaction networks were proposed for both model compounds and the reaction rate parameters were estimated.. J A Valla a, b, , , A A Lappas b, I A Vasalos a a Laboratory of Petrochemical Technology, Department of Chemical Engineering, Aristotle University of Thessaloniki, Thessaloniki, Greece b Chemical Process Engineering Research Institute (CPERI), Centre for Research and Technology Hellas (CERTH), 6th klm Charilaou Thermi, P.. O Box 361, 57001 Thermi, Thessaloniki, Greece Abstract The scope of the present study is to describe the cracking behavior of sulfur compounds during the fluid catalytic cracking (FCC) process. cea114251b Download free docx in word converter

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