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Processing of Residual Petroleum Stocks by Thermocontact Methods

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The Application of Preprocessing and Cutting Plane Techniques for a Class of Production Planning Pro...

December 1998 · Computational Optimization and Applications

This paper investigates properties of integer programming models for a class of production planning problems. The models are developed within a decision support system to advise a sales team of the products on which to focus their efforts in gaining new orders in the short term. The products generally require processing on several manufacturing cells and involve precedence relationships. The ... [Show full abstract] cells are already (partially) committed with products for stock and to satisfy existing orders and therefore only the residual capacities of each cell in each time period of the planning horizon are considered. The determination of production recommendations to the sales team that make use of residual capacities is a nontrivial optimization problem. Solving such models is computationally demanding and techniques for speeding up solution times are highly desirable. An integer programming model is developed and various preprocessing techniques are investigated and evaluated. In addition, a number of cutting plane approaches have been applied. The performance of these approaches which are both general and application specific is examined.

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H-oil desulfurization of heavy fuels. [Atmospheric and vacuum residues]

January 1972

Several recent advances in the H-Oil process make it practical to produce fuel oils meeting the new stringent sulfur requirements down to 0.3 weight per cent. This can be accomplished on a broad range of feedstocks including high sulfur/low metal Middle East residues as well as the high metal content Venezuelan stocks. The design aspects of a multi-purpose plant having the capability of ... [Show full abstract] processing this wide range of materials are discussed, and processing costs are developed as functions of feedstock and product sulfur level.

Last Updated: 28 Nov 2023

Processing of Residual Petroleum Stocks by Thermocontact Methods

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