ISBN-10:
1420066307
ISBN-13:
9781420066302
Pub. Date:
03/19/2010
Publisher:
Taylor & Francis
Asphaltenes: Chemical Transformation during Hydroprocessing of Heavy Oils / Edition 1

Asphaltenes: Chemical Transformation during Hydroprocessing of Heavy Oils / Edition 1

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Product Details

ISBN-13: 9781420066302
Publisher: Taylor & Francis
Publication date: 03/19/2010
Series: Chemical Industries Series
Pages: 461
Product dimensions: 6.20(w) x 9.10(h) x 1.00(d)

About the Author

Jorge Ancheyta is an R&D Project Leader in the Mexican Institute of Petroleum and a professor in the School of Chemical Engineering and Extractive Industries at the National Polytechnic Institute in Mexico City, Mexico.

Fernando Trejo is a researcher in the Center of Research in Applied Science and Advanced Technology at the National Polytechnic Institute in Mexico City, Mexico.

Mohan Singh Rana works at theKuwait Institute for Scientific Research in Ahmadi, Kuwait.

Table of Contents

Definition and Structure of Asphaltenes

Introduction

Variables Affecting the Asphaltenes Precipitation

Reversibility of Asphaltenes Precipitation

Elemental Composition of Asphaltenes

Asphaltenes Density

Characterization of Asphaltenes

Role of Resins in Stabilizing Asphaltenes

Hydroprocessing of Heavy Oils

Introduction

Composition of Heavy Petroleum Feeds

Upgrading of Heavy Oils

Components of Hydroprocessing Catalyst

Effect of Catalyst Properties on Hydroprocessing Activities

Catalyst Life (Catalyst Stability)

Changes in Asphaltenes during Hydrotreating

Introduction

Asphaltenes Characterization after Hydrotreating

Influence of Reaction Conditions on Asphaltene Structure

Catalyst Deactivation due to Asphaltenes

Introduction

Origin of Coke, Mechanism of Its Formation, and Properties

The Role of the Asphaltenes in Coke Formation

Catalyst Deactivation in Fixed-Bed Reactors

Influence of Coke and Metals Deposition on Catalyst Deactivation during Hydroprocessing

Characterization of Spent Catalysts

Effect of Reaction Conditions on Catalyst Deactivation

Catalyst Formulation and Its Effect on Asphaltenes Conversion

Alternatives Approaches for Preventing Coke Deposition

Regeneration and Rejuvenation of Spent Catalyst

Sediments Formation

Introduction

Sediments Analysis or Sediment Tests

Possible Reaction Mechanism and Compatibilities between the Components

Role of Catalyst and Feed on Sediments Formation

Effect of Hydroprocessing Reaction Conditions on Sediment Formation

Presumptions and Remedies for Sediment Formation

Hydrocracking and Kinetics of Asphaltenes

Introduction

Effect of Reaction Conditions on Asphaltene Hydrocracking

Reaction Pathways of Asphaltene Hydrocracking

Kinetic Modeling of Asphaltenes Hydrocracking

Fractionation of Heavy Crudes and Asphaltenes

Introduction

Distillation and Separation of Crude Oil Fractionation of Asphaltenes by Different Techniques

Structure and Composition of Crude and Asphaltenes after

Fractionation

Concluding Remarks and References appear at the end of each chapter.

What People are Saying About This

From the Publisher

...(the authors) have impressive credentials in the field, have co-authored this much-needed volume on an impurity found in upgrading crude oil and the science and practice necessary for its refinement.

Book News, June 2010

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