Richard Nielsen

Arthur L Kohl

This massively updated and expanded fifth edition is the most complete, authoritative engineering treatment of the dehydration and gas purification processes used in industry today. Of great value to design and operations engineers, it gives practical process and equipment design descriptions, basic data, plant performance results, and other detailed information on gas purification processes and hardware. This latest edition incorporates all significant advances in the field since 1985. You will find major new chapters on the rapidly expanding technologies of nitrogen oxide control, with discussions of regulatory requirements and available processes; absorption in physical solvents, covering single component and mixed solvent systems; and membrane permeation, with emphasis on the gas purification applications of membrane units. In addition, new sections cover areas of strong current interest, particularly liquid hydrocarbon treating, Claus plant tail gas treating, thermal oxidation of volatile organic compounds, and sulfur scavenging processes. This volume brings you expanded coverage of alkanolamines for hydrogen sulfide and carbon dioxide removal, the removal and use of ammonia in gas purification, the use of alkaline salt solutions for acid gas removal, and the use of water to absorb gas impurities. The basic technologies and all significant advances in the following areas are thoroughly described: sulfur dioxide removal and recovery processes, processes for converting hydrogen sulfide to sulfur, liquid phase oxidation processes for hydrogen sulfide removal, the absorption of water vapor by dehydrating solutions, gas dehydration and purification by adsorption, and the catalytic and thermal conversion of gas impurities.

Gas Purification

Scott F. Wolter

The Kensington Rune Stone has been the subject of passionate debate over its authenticity since it was discovered in the roots of a tree near Kensington, Minnesota, by Olof Ohman in 1898. Through the presentation of compelling new evidence this book answers the many nagging questions that have eluded investigators for over 100 years. Much of this new evidence is truly startling and has led to the understanding of not only who carved the stone, but where they came from and why the came to North America. Co-authors geologist Scott Wolter and engineer Richard Nielsen present the evidence of their collective 25 years of research on the artifact. The results of their research present a compelling and convincing case. The Kensington Rune Stone: Compelling New Evidence is both a forensic inquisition and engaging mystery. As an easy-to-follow reference source, it's the must-have guide for making an informed decision about the evidence surrounding one of the most famous inscriptions in North America. As the scientific community's own Da Vinci Code, this book is poised to expose the clash of scientific ideology, politics and academia - while distilling the truth into one clear, but spellbinding, tome. - Publisher.

Richard Nielsen

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