HYDROCARBON PUBLISHING COMPANY
Translating Knowledge into Profitability®
A member of the Hydrocarbon Analytics Group
HYDROTREATING, AND SOLVENT EXTRACTION AND DEASPHALTING
Publication date:2Q 2010
The Review is a comprehensive guide for refiners designed to highlight the technological aspects of each and every process in a petroleum refinery.
Technology topics are evaluated based on current market factors, state-of-the-art technology offerings from major process licensers, recommend plant operations and practices to improve plant profitability, and a review of the latest research and developments work. The Review serves as an asset to refinery employees including process engineers, investment planners, safety engineers, marketing managers, catalyst specialists, etc. for use as a complete catalogue of state-state-of-the-art processes and catalysts available for refiners including case studies and economic data provided by commercial licensors. Additionally, the R&D Alert! section provides an invaluable resource for those interested in the next wave of refining technology through analysis of the latest patented technologies and published papers. Finally, the information contained in the Review can be utilized for educational and training purposes, highlighting the technical aspects of each refining process and relating processing trends to available technologies and research work.
Hydrotreating is a process that has become synonymous with removing impurities from petroleum feedstocks. By mixing hydrogen and the feedstock under controlled conditions in the presence of a catalyst, contaminants in the form of sulfur-, nitrogen-, and oxygen-containing compounds, as well as metals, can be removed. Gasoline and diesel desulfurization will continue to be the primary drivers for hydrotreating over the next several years. Regulatory specifications for the acceptable levels of various compounds (i.e., sulfur, benzene, aromatics, etc.) in transportation fuels have been put in place in many regions around the world. Hydrotreating is not without drawbacks: the capital investment is significant, operating costs (catalysts and hydrogen) can be high, and by saturating aromatics and olefins, the quality of products that depend on their presence may be adversely affected.
Refiners will be forced to meet increasingly stringent product specifications while processing heavier and higher-sulfur crudes. The technologies included in the Review focus on robust technological strategies to provide economical, efficient, and environmentally friendly methods to meet processing objectives. Opportunities to enhance refinery yield and quality in response to current regulatory specifications are provided in the Market/Technology Trend and Opportunities section. Furthermore, strategies focusing on controlling refinery product slate (i.e., gasoline vs. diesel) and minimizing the carbon footprint of HT processes by lowering hydrogen consumption are included in addition to the following technology advances:
Solvent extraction and deasphalting processes�or solvent deasphalting (SDA) as it is commonly known�use hydrocarbons such as propane, butanes, pentanes, or a mixture of these to extract light, paraffinic components from heavy residue streams. Solvent deasphalting technology can be flexibly applied in a number of areas in the refinery and in upstream heavy oil upgrading applications.
As crude supplies become heavier and contain more-contaminants, refiners will seek economical and energy efficiency options for upgrading increasing quantities of asphaltenes and contaminants. Furthermore, the widespread reduction in demand for residual fuel oils has left refiners searching for methods to squeeze every drop of lighter liquid fuels from the bottoms of the barrel. Detailed information regarding the market for residual petroleum products and the utilization of heavy refinery byproduct streams are discussed as part of the Market/Technology Trends and Opportunities section in this issue of the Review. Furthermore, new topics and technologies are discussed with a focus on integrated processes involving SDA technologies and strategies/methods to improve the value of heavy residual byproducts, including:
Purchase individual topics of the Review at WORLDWIDE REFINERY PROCESSING REVIEW (INDIVIDUAL TECHNOLOGY)
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