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Ziel dieser Arbeit war es ein formalkinetisches Reaktionsmodell für den MTO-Prozess an AlPO4-gebundenen ZSM-5-Extrudaten zu erstellen. Dazu wurde eine Prozessstudie unter typischen MTO-Prozessbedingungen durchgeführt sowie ausgewählte Olefine einzeln und zusammen mit Methanol zudosiert. Anhand der experimentellen Daten konnte ein geeignetes Reaktionsnetz abgeleitet und ein Modell der Reaktionskinetik entwickelt werden.

Reaktionskinetik --- MTO-Prozess --- AlPO4-Binder --- Prozessstudie --- ZSM-5-Extrudate

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Currently, cobalt and related catalysts are very attractive as they provide many advantages, such as low cost and high activity, in a variety of applications. Cobalt catalysts are among the most active catalysts for Fischer–Tropsch synthesis and they promote the catalytic activity of the hydrodesulfurization catalysts. They also found other significant applications in environmental protection such as oxidation of volatile organic compounds, VOC, persulfate activator, ammonia synthesis, electrocatalysis and many more. Cobalt catalysts are active, stable and exhibit significant oxidation–reduction activity, as the Co can be found either as Co(II) or Co(III). Additionally, many molecules can interact with the cobalt supported phase by co-ordination due to partially filled d-orbital. Co-catalysts can be supported in almost all the inorganic supports such as alumina, titania, zeolites, etc. The cobalt oxide phase can be stabilized on the surface of the support due to variable interactions between the support and cobalt phase. These interactions are crucial for catalytic activity and can be regulated by proper selection of the preparation parameters such as the type of support, the Co loading, impregnation method and thermal conditions.This Special Issue aims to cover recent progress and advances in the field of cobalt and related catalysts.

electrocatalyst --- oxygen reduction reaction --- Al-air battery --- biomass --- nitrogen-doped carbon --- halloysite --- hierarchical materials --- p-xylene oxidation --- terephthalic acid --- cobalt catalyst --- titania --- diffuse reflectance spectroscopy --- sulfamethaxazole --- persulfates --- point of zero charge --- Co–ZSM-5 --- UV–Vis diffuse reflection spectroscopy --- FTIR spectroscopy --- pyridine adsorption --- CO adsorption --- Fischer–Tropsch synthesis --- bimetallic catalyst --- cobalt-nickel alloys --- TPR-XANES/EXAFS --- superstructures --- bicontinuous microemulsion --- oxygen evolution reaction --- metal–metal oxides --- n/a --- Co-ZSM-5 --- UV-Vis diffuse reflection spectroscopy --- Fischer-Tropsch synthesis --- metal-metal oxides

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Microporous zeolites and nanoporous materials are important from an academic and industrial research perspective. These inorganic materials have found application as catalysts in several industrial processes in oil refinery, petro-chemical reactions, fine chemicals, speciality, drug discovery and pharmaceutical synthesis, exhaust emission control for stationary and mobile engines and industrial wastewater treatment. The reasons for their versatile applications in several industrial processes are their unique properties of microporous zeolites and nanoporous materials such as uniform pores, channel systems, shape selectivity, resistance to coke formation, thermal and hydrothermal stability. Furthermore, the possibility to tune the amount and strength of Brønsted and Lewis acid sites and their crystal size, as well as the possibility of modification with transition and noble metals, are key to their success as efficient, high selectivity and stable catalysts.

Technology: general issues --- Chemical engineering --- zeolitic imidazolate frameworks --- Zn-Co@N-doped carbon --- transesterification --- Ti-CFI --- Ti-CIT-5 --- extra-large-pore --- zeolites --- fluorides --- titanosilicates --- oxidation --- generalized macro-transport theory --- adsorbent and non-adsorbent membranes --- bulk and surface diffusion --- heterogeneous catalysis --- mass transfer and effectiveness factor --- mesoporous H-ZSM-5 --- methanol-to-olefin (MTO) --- propylene --- acid sites density --- operando UV-vis spectroscopy --- CO2 assisted dehydrogenation --- isobutane --- silicalite-1 --- SBA-15 --- carbamazepine --- ozone --- catalysts synthesis and characterization --- catalytic ozonation --- isosorbide --- solid acid catalyst --- sorbitol --- dehydration --- bisphenol A --- diclofenac --- heterogeneous catalyst --- catalyst characterization --- advanced oxidation processes --- methanol to aromatics --- para-xylene --- selectivity --- phosphorous modified ZSM-5 --- advanced oxidation process --- catalyst preparation --- wastewater treatment --- interzeolite conversion method --- CHA-type zeolite --- LTL-type zeolite --- crystallization mechanism --- MTO reaction --- α-Pinene oxide --- campholenic aldehyde --- trans-carveol --- isomerization --- MoO3-zeolite BETA --- n/a

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Currently, cobalt and related catalysts are very attractive as they provide many advantages, such as low cost and high activity, in a variety of applications. Cobalt catalysts are among the most active catalysts for Fischer–Tropsch synthesis and they promote the catalytic activity of the hydrodesulfurization catalysts. They also found other significant applications in environmental protection such as oxidation of volatile organic compounds, VOC, persulfate activator, ammonia synthesis, electrocatalysis and many more. Cobalt catalysts are active, stable and exhibit significant oxidation–reduction activity, as the Co can be found either as Co(II) or Co(III). Additionally, many molecules can interact with the cobalt supported phase by co-ordination due to partially filled d-orbital. Co-catalysts can be supported in almost all the inorganic supports such as alumina, titania, zeolites, etc. The cobalt oxide phase can be stabilized on the surface of the support due to variable interactions between the support and cobalt phase. These interactions are crucial for catalytic activity and can be regulated by proper selection of the preparation parameters such as the type of support, the Co loading, impregnation method and thermal conditions.This Special Issue aims to cover recent progress and advances in the field of cobalt and related catalysts.

Technology: general issues --- electrocatalyst --- oxygen reduction reaction --- Al-air battery --- biomass --- nitrogen-doped carbon --- halloysite --- hierarchical materials --- p-xylene oxidation --- terephthalic acid --- cobalt catalyst --- titania --- diffuse reflectance spectroscopy --- sulfamethaxazole --- persulfates --- point of zero charge --- Co-ZSM-5 --- UV-Vis diffuse reflection spectroscopy --- FTIR spectroscopy --- pyridine adsorption --- CO adsorption --- Fischer-Tropsch synthesis --- bimetallic catalyst --- cobalt-nickel alloys --- TPR-XANES/EXAFS --- superstructures --- bicontinuous microemulsion --- oxygen evolution reaction --- metal-metal oxides --- electrocatalyst --- oxygen reduction reaction --- Al-air battery --- biomass --- nitrogen-doped carbon --- halloysite --- hierarchical materials --- p-xylene oxidation --- terephthalic acid --- cobalt catalyst --- titania --- diffuse reflectance spectroscopy --- sulfamethaxazole --- persulfates --- point of zero charge --- Co-ZSM-5 --- UV-Vis diffuse reflection spectroscopy --- FTIR spectroscopy --- pyridine adsorption --- CO adsorption --- Fischer-Tropsch synthesis --- bimetallic catalyst --- cobalt-nickel alloys --- TPR-XANES/EXAFS --- superstructures --- bicontinuous microemulsion --- oxygen evolution reaction --- metal-metal oxides

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In the last decades, inedible lignocellulosic biomasses have attracted significant attention for being abundant resources that are not in competition with agricultural land or food production and, therefore, can be used as starting renewable material for the production of a wide variety of platform chemicals. The three main components of lignocellulosic biomasses are cellulose, hemicellulose and lignin, complex biopolymers that can be converted into a pool of platform molecules including sugars, polyols, alchols, ketons, ethers, acids and aromatics. Various technologies have been explored for their one-pot conversion into chemicals, fuels and materials. However, in order to develop new catalytic processes for the selective production of desired products, a complete understanding of the molecular aspects of the basic chemistry and reactivity of biomass derived molecules is still crucial. This Special Issue reports on recent progress and advances in the catalytic valorization of cellulose, hemicellulose and lignin model molecules promoted by novel heterogeneous systems for the production of energy, fuels and chemicals.

n/a --- hemicellulose --- catalytic transfer hydrogenolysis reactions --- furfural --- ZSM-5 --- syngas --- renewable aromatics --- Diels–Alder --- lignin --- hydroisomerization --- levulinic acid --- bio-oil upgrade --- metal ferrites --- aromatic ethers --- hierarchical zeolites --- Chilean natural zeolites --- bioethanol --- renewable p-xylene --- desilication --- dimethylfuran --- GC/MS characterization --- biomass --- H-donor molecules --- heterogeneous catalysis --- polyols --- Brønsted acids sites --- spinels --- solketal --- glycerol --- chemical-loop reforming --- zeolite --- cellulose --- insulating oils --- hydrogenolysis --- lignocellulosic biomasses --- bio-insulating oil --- glycidol --- Diels-Alder