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PP-IV-29THE PARTIAL OXIDATION OF CH 4 TO SYNGAS OVERRHODIUM AND NICKEL MODIFIED HEXAALUMINATESN.B. Touahri 1 , A. Djadoun 3 , R. Chebout 1 , A. Benadda 1 , P. Ruiz 2 and A. Barama 11 Laboratoire de Chimie de Gaz Naturel, Faculté de chimie USTHB BP 32, ElAlia, BabEzzouar Alger Algérie. E-mail: benaddaamel@yahoo.fr2 Unité de catalyse et de chimie des matériaux divisés CATA-Croix du sud, 2, bte.17 à 1348Louvain-la-Neuve Brussels, Belgique3 Laboratoire de Géophysique FSTGAT, USTHB BP 32, ElAlia, Bab Ezzouar, Alger, AlgérieIntroductionHydrogen production has been attracting great interest as a future clean fuel particularlyfor combustion engine and fuel cells. This is why; an efficient and compact hydrogenproduction process should be developed for such application purposes [1].The partial oxidation of methane, leading to synthesis gas (H 2 and CO), has received biginterests from the perspectives of enhancement of natural gas utilization.Although precious metals, such as Rh, Pt and Pd, have been employed successfully forthis reaction in terms of activity and selectivity, high price and limited availability of thesemetals makes their widespread industrial application impractical.Thus, attention has been paid to ferrous transition metals (Ni, Co, Fe) for these goals.Particularly, nickel has been explored as a possible substitute for precious metals because offast turnover rates, high activity and low cost [2].However, previous investigations have provided evidence that nickel is more susceptibleto coking at elevated temperatures than precious metals are.And during high temperature reactions sintering and loss of nickel is difficult to avoid inindustrial applications. Despite of the foregoing disadvantages, nickel is the metal of interestindustrially due to economic reasons.The use of materials which resist to sintering is though suitable for reactions such as thepartial of methane.ExperimentalIn the present study, catalysts based on hexaaluminate-type oxides, BaM x Al 12-x O 19-α(M=Rh, Ni; x=0.05-0.1-0.15) were prepared via the citrate method, calcined at 1000, 1200and 1400°C. The physico-chemical properties of the solids were investigated using X-raydiffraction (XRD), Temperature-programmed reduction (TPR) and BET measurements.446
ResultsPP-IV-29In this work, a homogenous hexaaluminates phase containing uniformly active species inthe lattice was obtained; no free nickel or rhodium oxide was observed. The deposits of theactive species from the lattice could be formed on the oxide surface by H 2 reduction treatmentat an elevated temperature and investigated for partial oxidation of CH 4 . The catalysts showedhigh activity and selectivity and an excellent ability to suppress carbon deposition in theoxidation of methane to syngas for a long time (100h). The catalytic activity of the preparesolids depended weakly on the calcination temperature.References1. L.F. Brown, Int. J. Hydrogen Energy 26 (2001)381.2. A.T. Ashcrtoft, A.M. Rajput, B. Prabhakar, Catal. Lett. 15 (1992)363.447
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Boreskov Institute of Catalysis of
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Mikhail G. Slinko,Honour ChairmanVa
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PLENARY LECTURES
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PL-1built up from an intrinsic cont
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PL-3DEVELOPMENT OF ZEOLITE-COATED M
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PL-4processes in order to evaluate
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PL-5CATALYTIC PARTIAL OXIDATION OF
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KEY-NOTE PRESENTATIONS
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KN-2GETTING TO THE POINT: FROM MOLE
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KN-3PROBLEMS AND PROSPECTS FOR IMRO
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KN-4remain out of the sight of rese
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KN-5SSITKA allows to study not only
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KN-6individual reaction stages with
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Section 1.Kinetics of catalytic rea
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OP-I-1-specialthat Г s /f changed
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OP-I-3-specialKINETIC MODELING OF L
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OP-I-4PARTIAL OXIDATION OF TOLUENE
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OP-I-5Also, the approach to modelin
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OP-I-6starch granules, but after a
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OP-I-8KINETICS OF CARBON MONOXIDE O
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OP-I-9CHAOTIC DYNAMICS IN THE THREE
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OP-I-10ADSORPTION OF COMPLEX MOLECU
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OP-I-11KINETIC ASPECTS OF METHANE O
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OP-I-12KINETIC STUDIES IN STRUCTURE
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OP-I-13A STUDY ON THERMAL COMBUSTIO
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OP-I-14KINETICS OF THE CONVERSION O
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OP-I-15HYDROCRACKING OF LONG CHAIN
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OP-I-16KINETICS IN THE HYDROGENATIO
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OP-I-17MECHANISM OF FORMATION OF ET
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OP-I-18KINETIC STUDIES OF PROPANE D
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OP-I-19ACTIVITY AND DEACTIVATION OF
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OP-I-20GAS PHASE OXIDATION OF FORMA
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OP-I-21Where k A is the rate consta
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OP-I-22al., 2008; Monolith, 2008).
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OP-I-23Fig. 1. Scheme of the FIM ma
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OP-I-24Θ DZ centersdeactivationr D
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OP-I-25equation [2] to nitrogen iso
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OP-II-1CHEMICAL NANOREACTORS AS BAS
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OP-II-2gas model use, there is no n
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OP-II-3Taking into account these pr
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OP-II-4WATER2METH1STEAM2AOFF3AIR10O
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OP-II-5completely dry, at the same
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OP-II-6Many factors have been found
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OP-II-7mechanistic and kinetic stud
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OP-II-9MODELLING OF DIESEL PARTICUL
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Section 3.Catalytic processesí dev
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OP-III-1BIC’s catalyst for N 2 О
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OP-III-2powder sample with the same
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OP-III-3Analysis of the results sho
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OP-III-4Exhaustaftertreatmenttechno
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OP-III-6SOME PROPERTIES OF PEROVSKI
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OP-III-7with the conventional react
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OP-III-8resistance is the membrane
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OP-III-9mass dispersion and to anal
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OP-III-11PROCESS INTENSIFICATION US
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OP-III-12ETHYL ACETATE SYNTHESIS BY
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OP-III-12products are vaporized and
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OP-III-13The reforming reaction was
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OP-III-14reactivity (compared to ot
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OP-III-15Fig. 2. The spent Smopex-1
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OP-III-16Numbers of curves are acco
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OP-III-17perimeter were determined.
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OP-III-18of 2. MSR has been coupled
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OP-III-19chemisorption heat and pro
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OP-III-20In the experiments, total
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OP-III-21obtained by the new techno
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OP-III-22reactor wall from the two-
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OP-III-23and parameters of synthesi
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OP-III-24Results and discussionThe
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OP-IV-1DEEP DESULPHURIZATION OF PET
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OP-IV-2LACTIC ACID AS A BACKGROUND
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OP-IV-3CO REMOVAL FROM H 2 -rich GA
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OP-IV-4REFORMING OF ETHANOL OVER ME
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OP-IV-5MODELING OF HYDROGEN PRODUCT
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OP-IV-6PRODUCTION OF HYDROGEN FROM
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OP-IV-7SYNTHESIS GAS PRODUCTION FRO
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OP-IV-8HYDROGEN PRODUCTION FROM MET
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OP-IV-9A NEW GENERATION OF SUPER-TH
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OP-IV-10EXERGY ANALYSIS OF ENZYMATI
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OP-IV-11ADVANCEMENT OF SLURRY BUBBL
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OP-IV-12Pd-DOPED PEROVSKITE CATALYS
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OP-IV-13HYDROGEN PRODUCTION VIA MET
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Section 5.Catalytic processing of r
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OP-V-1Scheme 1. The developing path
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OP-V-2An example of the model compo
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OP-V-3catalysts were shown to be su
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OP-V-4Catalyst deactivation was mor
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OP-V-53) Study of the FFAs esterifi
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OP-V-6In the present work, a compre
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OP-V-7Ca 2 Fe 2 O 5 , MgFe 2 O 4 an
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OP-V-8cellulose components decompos
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OP-V-9sintering a couple of spirale
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OP-V-10Catalyst preparationA series
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OP-V-11Catalysts characterizationIn
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OP-V-12Kinetic ExperimentsHexadecan
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OP-V-13DESIGN OF PILOT REACTOR AND
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OP-V-14DEVELOPMENT OF A LAB SCALE C
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OP-V-15DEVELOPMENT OF TWO-STAGE PRO
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OP-V-15The data of Table 2 show, th
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OP-V-17ENERGY PRODUCTION FROM BIOMA
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OP-V-18CATALYTIC PARTIAL OXIDATION
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OP-V-19A PHOTOCATALYTIC REACTOR FOR
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OP-V-20BIOMASS GASIFICATION IN A CA
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OP-V-21ESTIMATION OF OPTIMAL REACTO
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POSTER PRESENTATIONSSection 1. Kine
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PP-I-1CONVERSION OF ETHANOL OVER CO
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PP-I-2LATERAL INTERACTIONS, FINITE
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PP-I-3UTILIZATION OF TAFT EQUATION:
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PP-I-4SELECTIVE HYDROGENATION OF CI
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PP-I-5NON OXIDATIVE REGENERATION ME
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PP-I-6Table 1. Parameters in kineti
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PP-I-7where: k nc , k 1 , k a , k b
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PP-I-8After each adsorption or deso
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PP-I-9The increase in pressure, in
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PP-I-10The analysis of the composit
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PP-I-11The network of βP oxidation
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PP-I-12order of magnitude lower. Th
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PP-I-13ab1,01,0Isotope fraction0,5[
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PP-I-14Relations ‘rate vs alcohol
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PP-I-15[EEAA] t , M[EEAA] t -1 , M
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PP-I-17NEW OSCILLATING REACTION:CAR
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PP-I-18NEW OSCILLATING REACTIONS OF
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PP-I-19KINETICS OF GAS-LIQUID PROCE
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PP-I-20COMPLETE OXIDATION OF HARMFU
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PP-I-21THEORETICAL RESEARCH OF SURF
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PP-I-22INFLUENCE OF ORGANIC HELATES
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PP-I-23The equation of the reaction
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PP-I-25SELECTIVE OXIDATION OF METHA
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PP-I-26coefficients of the equation
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PP-I-27into propionic acid. The giv
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PP-I-28In the studied range of temp
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PP-I-29Table. Reaction temperature
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PP-I-30other in both direction of t
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PP-I-31Reynolds number. The boundar
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PP-I-32NANOPARTICLES AND CATALYSISI
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Section 2.Physico-chemical and math
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PP-II-1For investigation, we used n
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PP-II-2criterion «Zn dissolved in
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PP-II-3exist around the steady stat
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PP-II-4in range 0-1. In our case n
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PP-II-5at comparable activity, the
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PP-II-7CFD-CALCULATION OF MALDISTRI
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PP-II-8INVESTIGATION OF NONLINEAR P
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PP-II-8reactivity. There is a small
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PP-II-10CALCULATION OF INDUSTRIAL C
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PP-II-11type of reactors a catalyst
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PP-II-13MATHEMATTICAL MODELLING OF
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PP-II-13where I Э , M 1Э , M 2Э
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PP-II-14where TOC 0 is the initial
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PP-II-16AUTOCATALYTIC REACTION FRON
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Section 3.Catalytic processesí dev
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PP-III-1for the traditional scheme
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PP-III-2Initial conditions: С i (0
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PP-III-3Afterward, a 30% aqueous hy
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PP-III-4The influence of the water
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PP-III-5Vanadium oxide was grafted
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PP-III-6(T p ) was taken as an inde
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PP-III-7dCdτLABdCNABdτdCdτdCdτd
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PP-III-8O 2 , balanced by He, at a
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PP-III-9Solution of system (3) for
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PP-III-10HDT330ºCHDT350ºCHDT370º
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PP-III-11The activity of Au/support
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PP-III-1249775 m 3 /h0,65Initial te
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PP-III-13through one layer of ACC w
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PP-III-14the runs was always higher
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PP-III-15The experimental data for
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PP-III-16Catalytic hydrogenation of
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PP-III-17The following parameters a
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PP-III-18Figure 1 - Dependence of t
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PP-III-19Our method has some advant
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PP-III-20Furthermore, Ayude et al.
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PP-III-22OPTIMIZATION OF THE METHAN
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PP-III-23EXPERIMENTAL INVESTIGATION
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PP-III-24CATALYTIC REACTORS WITH HY
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PP-III-25ACTIVITY OF Cu/ZSM-5 CATAL
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PP-III-26SIMULATION AND OPTIMISATIO
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PP-III-27model of plug flow reactor
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PP-III-28Calculations were experime
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PP-III-29continuous and pressurized
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PP-III-30adequacy of multistage mod
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PP-III-31+CH 3 OHH 2 O + HO-(CH(CH
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PP-III-32procedure presented by Mar
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PP-III-33HPA-x + 2 H + + Pd 0 ⎯
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PP-III-34of the process as well as
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PP-III-35This study was financially
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PP-III-36phase. Peroxopolyoxometall
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PP-III-37performed under atmospheri
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PP-III-38orders of magnitude larger
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PP-III-39CATALYTIC REACTORS WITH ST
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PP-III-40THE OXIDATIVE DEHYDROGENAT
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PP-III-41MODELLING AND DESIGN OF TH
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PP-III-42COMPLEX TECHNOLOGY OF TREA
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PP-III-43PHOTO ELECTROCHEMISTRY APP
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PP-III-45MODELING OF CATALYTIC α-O
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PP-III-46steady states. It was show
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PP-III-47Results and discussion:The
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PP-III-49FIBROUS PALLADIUM-SUPPORTE
Page 396 and 397: Section 4.Catalytic technologies in
Page 398 and 399: PP-IV-1method is adiabatic or autot
Page 400 and 401: PP-IV-2It had been established that
Page 402 and 403: PP-IV-4INTERACTION OF ACTIVATED ALU
Page 404 and 405: PP-IV-5ENVIRONMENTALLY FRIENDLY PRO
Page 406 and 407: PP-IV-6THE 5%Ni-2%Au/Al 3 CrO 6 SYS
Page 408 and 409: PP-IV-7MESOPOROUS ANODES BASED ON Y
Page 410 and 411: PP-IV-8ADVANCED OXIDATION PROCESS F
Page 412 and 413: PP-IV-9PROCESSING OF POLYMERIC CORD
Page 414 and 415: PP-IV-10EFFECT OF SULPHUR ON THE CA
Page 416 and 417: PP-IV-11OXIDATIVE CONVERSION OF MET
Page 418 and 419: PP-IV-13CATALYTIC FLUE GAS CONDITIO
Page 420 and 421: PP-IV-14RIBBON POROUS NICKEL BASED
Page 422 and 423: PP-IV-15ETHANOL CONVERSION TO HYDRO
Page 424 and 425: PP-IV-16A HIGH-EFFICIENT MICROREACT
Page 426 and 427: PP-IV-17DIRECT DECOMPOSITION OF NIT
Page 428 and 429: PP-IV-18NICKEL CATALYSTS BASED ON P
Page 430 and 431: PP-IV-19SELECTION OF FAVOURABLE FEE
Page 432 and 433: PP-IV-20FORMALDEHYDE FORMATION DURI
Page 434 and 435: PP-IV-21PRODUCTION OF HYDROGEN-RICH
Page 436 and 437: PP-IV-22INFLUENCE OF COMPOSITION OF
Page 438 and 439: PP-IV-24ONE-STAGE CATALYTIC CONVERS
Page 440 and 441: PP-IV-25THE STUDY OF METHANE DEHYDR
Page 442 and 443: PP-IV-26MCM-41-SUPPORTED PdNi CATAL
Page 444 and 445: PP-IV-27IMPROVING THE FLOW SHEET OF
Page 448 and 449: PP-IV-30PRODUCTION OF CO-FREE HYDRO
Page 450 and 451: PP-IV-31PHOTOCATALYTICAL ACTIVITY O
Page 452 and 453: PP-IV-32NEW ELECTRODE MATERIALSFOR
Page 454 and 455: PP-IV-33THE CATALYTIC HYDROGENATION
Page 456 and 457: PP-IV-34W 0, μmol O 2/min0,25 1. 1
Page 458 and 459: PP-V-1INFLUENCE OF ICE ON MEAs OF P
Page 460 and 461: PP-V-2DIRECT OILS HYDROGENATION TO
Page 462 and 463: PP-V-3DEVELOPMENT OF Pd/SIBUNIT CAT
Page 464 and 465: PP-V-4Pt NANOPARTICLE-HOLLOW POROUS
Page 466 and 467: PP-V-5THE PROCESS FOR PRODUCING ORG
Page 468 and 469: PP-V-6water removing. This method p
Page 470 and 471: PP-V-7ResultsThe presented technolo
Page 472 and 473: PP-V-8the most effective catalysts.
Page 474 and 475: PP-V-9Neither the low sulphur conte
Page 476 and 477: PP-V-10composition (methyl esters,
Page 478 and 479: PP-V-11reactor we can see that its
Page 480 and 481: PP-V-12Recent studies lead in this
Page 482 and 483: PP-V-13catalysts (e.g. Pt or Pd), t
Page 484 and 485: PP-V-14Alkali catalyst. For a basic
Page 486 and 487: PP-V-15obtaining the related profil
Page 488 and 489: PP-V-16reaction parameters, not rep
Page 490 and 491: PP-V-18STUDY OF THE CATALYTIC ACTIV
Page 492 and 493: PP-V-19BIOMORPHIC CATALYSTS ON THE
Page 494 and 495: PP-V-20Al,Cu-PILLARED CLAYS AS CATA
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PP-V-21KINETICS OF THE HYDROXYMATAI
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PP-V-22THE NEW METHOD OF OBTAINING
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PP-V-23containing mono- and di-subs
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AUTOCLAVE ENGINEERS COMPANYSYSTEMAT
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CATACON CATACON CATACON CATACON CAT
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George AvgouropoulosFoundation for
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Leonid BykovJSC «Chemphyst-Alloy L
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Debora FinoPolitecnico di TorinoCor
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Jenő HancsókUniversity of Pannoni
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Andrey KhudoshinLomonosov Moscow St
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Cristian LedesmaEnergetic Technique
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Uri Matatov-MeytalDepartment of Che
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Karina OjedaIndustrial University o
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Yuri PyatnitskyPisarzhevsky Institu
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Vera ScmachkovaBoreskov Institute o
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Peter StrizhakPisarzhevsky Institut
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Nadezhda VernikovskayaBoreskov Inst
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Nataliya ZubritskayaRSC «Applied C
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ORAL PRESENTATIONS.................
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OP-I-21Saeedizad M., Sahebdelfar S.
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OP-III-9Nekhamkina O., Sheintuch M.
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OP-IV-5Hernández L., Kafarov V.V.M
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OP-V-13Sadykov V., Mezentseva N., V
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PP-I-15PP-I-16PP-I-17PP-I-18PP-I-19
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PP-II-9 Nikiforov A., Paek U-Hyon,
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PP-III-17 Vernikovskaya N.V., Kashk
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PP-III-42 Goshu Y.W., Tsaryov Y.V.,
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PP-IV-17 Ohnishi C.H., Yoshino H.,
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PP-V-9 Hancsók J., Magyar S., Kall
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XVIII International Conference on C
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