Download PDF by James G. Speight: The Desulfurization of Heavy Oils and Residua (Chemical
By James G. Speight
Moment version expands and updates details at the technological elements of refining heavy oils, residua, bitumen, and different high-sulfur feedstocks. specializes in the variety of next-generation refining tactics.
Read or Download The Desulfurization of Heavy Oils and Residua (Chemical Industries) PDF
Best petroleum books
For the complex natural chemistry researcher who's getting into the glorious international of heterogeneous catalysis regularly - and heterogeneous hydrogenation particularly - there is not any unmarried source reminiscent of this to consultant him. operating within the box of heterogeneous hydrogenation myself, I had felt sleek, up to date, readable textual content used to be lengthy late.
The actual ideas of water hammer are defined during this quantity. the fundamental mathematical equipment of resolution of water hammer and methods of proscribing its results are coated. specific description is given of the tactic of features and the corresponding courses for private desktops, which allows answer of water hammer in a large choice of hydraulic structures encountered in perform.
Prentice corridor university Div, 1985. Hardcover. e-book
«Subsea Pipeline Engineering» was once the 1st of its sort, written through of the worlds most beneficial experts in subsea pipeline engineering. within the upcoming moment variation, those veterans have up to date their definitive reference ebook, overlaying the whole spectrum of matters within the self-discipline, from path choice and making plans to layout, development, set up, fabrics and corrosion, inspection, welding, fix, threat evaluation, and appropriate layout codes and criteria.
- Unified Fracture Design Bridging the Gap Between Theory and Practice
- Gasification, Second Edition
- Arctic Pipeline Planning. Design, Construction, and Equipment
- Handbook of Vapor Pressure: Volume 4:: Inorganic Compounds and Elements (Library of Physico-Chemical Property Data)
- Handbook of Adhesives and Sealants, Volume 2 - General Knowledge, Application of Adhesives, New Curing Techniques
Extra resources for The Desulfurization of Heavy Oils and Residua (Chemical Industries)
Removal of distillate without thermal decomposition, dictates that the majority of the sulfur, which is predominantly in the higher-molecularweight fractions, be concentrated in the residuum (Figures 2-2, 2-3, 2-4, and 2-5) (Gary and Handwerk, 1984). 2 Metals Content Metals (particularly vanadium and nickel ) are found in most crude oils. Heavy oils and residua contain relatively high proportions of metals either in the form of salts or as organometallic constituents (such as the metallo-porphyrins), which are extremely difficult to remove from the feedstock.
The feed to a typical tower enters the vaporizing or flash zone, an area without trays. The majority of the trays are usually located above this area. The feed to a bubble tower, however, may be at any point from top to bottom with trays above and below the entry point, depending on the kind of feedstock and the characteristics desired in the products. Liquid collects on each tray to a depth of, say, several inches and the depth controlled by a dam or weir. As the liquid level rises, excess liquid spills over the weir into a channel (downspout), which carries the liquid to the tray below.
However, before dealing with the methods used to evaluate petroleum feedstocks, it is necessary to briefly recap the nature of refinery processes. This will help put evaluation methods into the correct perspective. In general terms, refinery processes can be conveniently divided into three different types (Figure 2-1) (Speight, 1999): 1. Separation: division of the feedstock into various streams (or fractions) depending upon the nature of the crude material. 2. Conversion: production of salable materials from the feedstock by skeletal alteration, or even by alteration of the chemical type, of the feedstock constituents.
The Desulfurization of Heavy Oils and Residua (Chemical Industries) by James G. Speight