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Hydrotreating catalysts. --- Water --- Metabolism.

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Hydrotreating catalysts. --- Water --- Metabolism.

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The symposium on Hydrotreatment and Hydrocracking of Oil Fractions aims to provide a global perspective and an inspection of the state-of-the-art of these processes. New American, European and Japanese environmental regulations call for advanced hydrotreatment processes for HDS and HDN for the removal of S- and Ni-components from oil fractions. These will alter the product slate of the oil refineries and the hydrocarbon composition of these products. Hydrocracking will play an important part in this shift. Adapting the operating conditions will not suffice to reach the desired product specif

Catalytic cracking --- Hydrotreating catalysts --- Congresses --- Catalysts --- Cracking process --- Catalytic cracking - Congresses --- Hydrotreating catalysts - Congresses

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This book provides much information of interest to anyone working in the petroleum industry or studying catalyst preparation and characterization in industrial or university laboratories. It contains both review articles and papers reporting progress concerning hydrotreating catalysts which together provide an up-to-date picture of this interesting field. The use of modern spectroscopic techniques in catalyst characterization is described and new concepts such as microbial upgrading and the use of crystallography data in catalyst design are presented.

Cracking process --- Hydrotreating catalysts --- Petroleum --- Catalysts --- Petroleum cracking --- Distillation, Destructive --- Refining --- Cracking

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The fields of hydrodesulfurization (HDS) and hydrodenitrogenation (HDN) continue to attract the attention of researchers in the various disciplines connected to these fascinating problems that represent two of the key outstanding chemical challenges for the petroleum refining industry in view of their very strong environmental and commercial implications. One area that has flourished impressively over the last 15 years is the organometallic chemistry of thiophenes and other related sulfur-containing molecules. This has become a powerful method for modeling numerous surface species and reactions implicated in HDS schemes, and nowadays it represents an attractive complement to the standard procedures of surface chemistry and heterogeneous catalysis, for understanding the complex reaction mechanisms involved in this process. Similar developments have begun to appear in connection with HDN mechanisms, although in a much more modest scale and depth. Some years ago when, encouraged by Prof. B. R. James, this book was planned, several excellent reviews and monographs treating different aspects of HDS were already available including some on the subject of organometallic models. However, it seemed appropriate to try to summarize the most striking features of this chemistry in an updated and systematic way, and inasmuch as possible in connection with the common knowledge and beliefs of the mechanisms of heterogeneous HDS catalysis. Hopefully, this attempt to build some conceptual bridges between these two traditionally separated areas of chemistry has met with some success.

Denitrification. --- Catalytic cracking. --- Hydrotreating catalysts. --- Petroleum --- Refining --- Desulfurization. --- Chemistry, Organic. --- Catalysis. --- Chemistry, Physical organic. --- Chemistry, inorganic. --- Chemical engineering. --- Organometallic Chemistry. --- Physical Chemistry. --- Inorganic Chemistry. --- Industrial Chemistry/Chemical Engineering. --- Organic Chemistry. --- Organometallic chemistry . --- Physical chemistry. --- Inorganic chemistry. --- Organic chemistry. --- Organic chemistry --- Chemistry --- Chemistry, Industrial --- Engineering, Chemical --- Industrial chemistry --- Engineering --- Chemistry, Technical --- Metallurgy --- Inorganic chemistry --- Inorganic compounds --- Chemistry, Theoretical --- Physical chemistry --- Theoretical chemistry --- Activation (Chemistry) --- Chemistry, Physical and theoretical --- Surface chemistry --- Chemistry, Organometallic --- Metallo-organic chemistry --- Chemistry, Organic