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Books > Science & Mathematics > Chemistry > Organic chemistry
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Carbons and Carbon Supported Catalysts in Hydroprocessing (Hardcover)
Loot Price: R3,456
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Carbons and Carbon Supported Catalysts in Hydroprocessing (Hardcover)
Series: Catalysis Series, Volume 1
Expected to ship within 12 - 17 working days
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Carbon materials have, in recent years, been attracting attention
as potential supports in heterogeneous catalysis. In 2006, the
number of articles dealing with various types of catalysts
supported on carbon approached 1000, however only a fraction of
those were devoted to hydroprocessing catalysts, despite the fact
that interest in carbons as supports for hydroprocessing catalysts
began more than two decades ago. This unique book is a
comprehensive summary of recent research in the field and covers
all areas of carbons and carbon materials. The potential
application of carbon supports, particularly those of carbon black
(CB) and activated carbon (AC) in hydroprocessing catalysis are
covered extensively in the book. Novel carbon materials such as
carbon fibers and carbon nano tubes (CNT) are also covered,
including the more recent developments in the use of fullerenes in
hydroprocessing applications - an area with little published
research. Although the primary focus of this book is on carbons and
carbon supported catalysts, it also identifies the difference in
the effect of carbon supports compared with the oxidic supports,
particularly that of y-AL2O3. Although many books claim to have the
same objective, this publication is unique as the difference in
catalyst activity and stability was estimated using both model
compounds and real feeds under variable conditions. The conditions
applied during the preparation of carbon supported catalysts are
also comprehensively covered and include various methods of
pretreatment of carbon supports to enhance catalyst performance.
The model compounds results consistently show higher
hydrodesulfurization and hydrodeoxygenation activities of carbon
supported catalysts than that of the y-Al2O3 supported catalysts.
Also, the deactivation of the former catalysts by coke deposition
was much less evident. Importantly, in this book, most of the model
compounds studies on hydrodesulfurization and hydrodeoxygenation
were conducted in the absence of nitrogen compounds, as the
poisoning effects of such compounds on hydroprocessing reactions
are well known. Non-conventional metals (e.g., Pt, Pd, Ru, Rh, Re
and Ir) supported on carbon supports are also studied in this book
as catalysts for hydroprocessing of model feeds and real feeds. The
book shows that these catalysts are much more active than
conventional metals containing catalysts however the high cost of
these metals prevents commercial utilization of these catalysts.
Kinetics of hydroprocessing reactions, as well as kinetics of
deactivation over carbon supported catalysts are also investigated
under a wide range of experimental conditions and the y-Al2O3
supported catalysts have been included for comparison. This book,
unique in its field, indicates the future potential of carbon
supported catalysts during hydroprocessing, particularly in deep
hydrodesulfurization and hydrodemetallization.
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