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| Document Type: | Book |
|---|---|
| All Authors / Contributors: |
P R Garrett |
| ISBN: | 9781420060416 1420060414 |
| OCLC Number: | 148877379 |
| Description: | xxv, 572 pages : illustrations ; 24 cm |
| Contents: | Ch. 1. Some general properties of foams -- ch. 2. Experimental methods for study of foam and antifoam action -- ch. 3. Oils at interfaces : entry coefficients, spreading coefficients, and thin film forces -- ch. 4. Mode of action of antifoams -- ch. 5. Effect of antifoam concentration on volumes of foam generated by air entrainment -- ch. 6. Deactivation of mixed oil-particle antifoams during dispersal and foam generation in aqueous media -- ch. 7. Mechanical methods for defoaming -- ch. 8. Antifoams for detergent products -- ch. 9. Control of foam in waterborne latex paints and varnishes -- ch. 10. Antifoams for gas-oil separation in crude oil production -- ch. 11. Medical applications of defoaming. |
| Series Title: | Surfactant science series, v. 155. |
| Responsibility: | Peter R. Garrett. |
| More information: |
Abstract:
In the 20 years since the publication of the author's multi-contributor volume on defoaming, a vast amount of new work has been published and many new insights have been revealed. A cohesive, single-authored book, The Science of Defoaming: Theory, Experiment and Applications provides comprehensive coverage of the topic. It describes the mode of action of antifoams, presenting the relevant theory and the supporting experimental evidence. Beginning with an introductory chapter that discusses the intrinsic properties of foam, the book then describes experimental methods for measuring foam properties important for studying antifoam action and techniques used in establishing the mode of action of antifoams. Since most commercially effective antifoams are oil based, a chapter is devoted to the entry and spreading behavior of oils and the role of thin film forces in determining that behavior. The book reviews the mode of action of antifoams, including theories of antifoam mechanisms and the role of bridging foam films by particles and oil drops. It also addresses issues related to the effect of antifoam concentration on foam formation by air entrainment and the process of deactivation of mixed oil-particle antifoams during dispersal and foam generation. For applications where chemical antifoam use is unacceptable, the text examines mechanical means of defoaming, such as the use of rotary devices and ultrasound. The final chapters consider the application of defoaming in radically different contexts including waterborne latex paints and varnishes, machine washing of textiles, gas-oil separation in crude oil production, and cardiopulmonary bypass surgery. Focusing on the basic science of defoaming, this book presents a balanced view, which also addresses the challenges that may arise for these specific defoaming applications. Features: --Provides a critical and comprehensive review of all proposed antifoam mechanisms. --Presents an original theoretical treatment of the effect of antifoam concentration on foam generation. --Reviews all aspects of mechanical defoaming, including centrifuges, ultrasound, and the use of packed beds of appropriate wettability. --Poses challenges and questions concerning the ultimate effectiveness of mechanical approaches. --Draws not only from the scientific literature but also from the patent literature. --Describes relevant experimental techniques. --Addresses the challenging scientific issues relevant to particular applications. --Contains a rare complete review of the use of defoaming and de-aeration in cardiopulmonary bypass surgery. Peter R. Garrett, Visiting Professor, University of Manchester, School of Chemical Engineering and Analytical Science, Manchester UK. After working for Unilever research for almost thirty years at Port Sunlight and for a short time at Bangalore I retired, acquiring visiting professorships at the University of Manchester and briefly at Rice University, Houston, Texas. Prior to working for Unilever I worked for about two years each in research laboratories of the oil industry (Koniklijke Shell, NL) and gas industry (UK). Publisher's note.
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