Defoaming
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The Science Of Defoaming
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Author : Peter R. Garrett
language : en
Publisher: CRC Press
Release Date : 2016-04-19
The Science Of Defoaming written by Peter R. Garrett and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-19 with Science categories.
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 act
Defoaming
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Author : P.R. Garrett
language : en
Publisher: CRC Press
Release Date : 2017-12-14
Defoaming written by P.R. Garrett and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-14 with Science categories.
Reviews all known antifoam mechanisms, and discusses the appropriate practical approaches for solving foam control problems in a variety of industrial contexts. These range from crude oil production to detergent formulation.
Defoaming
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Author : P. R. Garrett
language : en
Publisher: CRC Press
Release Date : 1992-11-12
Defoaming written by P. R. Garrett and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992-11-12 with Science categories.
Reviews all known antifoam mechanisms, and discusses the appropriate practical approaches for solving foam control problems in a variety of industrial contexts. These range from crude oil production to detergent formulation.
Antifoaming And Defoaming Agents 1972
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Author : T. G. Rubel
language : en
Publisher: William Andrew
Release Date : 1972
Antifoaming And Defoaming Agents 1972 written by T. G. Rubel and has been published by William Andrew this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Law categories.
Control Of Foaming By Adding Known Mixtures Of Pure Chemicals
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Author : J. W. McBain
language : en
Publisher:
Release Date : 1949
Control Of Foaming By Adding Known Mixtures Of Pure Chemicals written by J. W. McBain and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1949 with Antifoaming agents categories.
The method of testing foam volume at room temperature, the bubbling method at high temperatures (100 degrees and 140 degrees C), and the beating and evacuation method were used to test 13 substitutes for glycerol and 27 substitutes for Aerosol OT for defoaming ability at 140 degrees C on Aeroshell 120 oil. In a ratio of 4 parts glycerol (or substitute) to 1 part Aerosol OT (or substitute) at concentrations of 1000 to 1500 parts per million, the best of these emulsions completely inhibited foaming. The best concentration was sorbitol and Aerosol OT, 800 and 200 parts per million, respectively. This concentration was an excellent defoamer for 4 hours but left a sticky residue.
The Science Of Defoaming
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Author : Peter R. Garrett
language : en
Publisher: CRC Press
Release Date : 2013-07-09
The Science Of Defoaming written by Peter R. Garrett and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-07-09 with Science categories.
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.
Water Dispersible Granule Formulations Containing A New Defoaming Agent
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Author : Alice L. Lavranos
language : en
Publisher:
Release Date : 2007
Water Dispersible Granule Formulations Containing A New Defoaming Agent written by Alice L. Lavranos and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Antifoam categories.
A common problem found when water dispersible granule (WG) formulations are dispersed in water is the generation of high levels of a persistent foam layer. This high level of foaming causes many difficulties for the users of WG products in agricultural sprays. The development of foam may cause spillage and loss of product as well as cause problems for tank mixing with other products. There is also a risk of uneven coverage of a spray solution containing foam, and the time taken for foam to subside can be inconvenient as well as lead to a risk of sedimentation of the suspended solid. The persistent foam problem in WG formulations is a direct consequence of the presence of a surfactant wetting agent (wetter) which is used in the formulation to aid immersion and dispersion of the granule in water and to help evenly distribute water throughout the powder matrix during manufacture of the formulation. Various approaches have been tried to overcome persistent foam in WG formulations in the past. These approaches include the use of tank-added defoaming agents, the inclusion of silicone and other common defoamer types in the formulation, and use of lower foaming wetters which are generally nonionic surfactants. These approaches have generally met with limited success or led to other difficulties. In many cases using enough of these defoaming additives to be effective in defoaming leads to reduced dispersion properties. One class of defoaming agent commonly used in WG formulations is the salts of long chain fatty acids, or soaps. These are, however, only moderately effective. It has now been found that the combination of fatty acid salts together with chelating agents and a polyacid polymer leads to greatly enhanced foam reduction. This improvement in defoaming comes with no additional loss of dispersion performance of the WG. The optimized defoaming blend is effective in WG formulations at a use rate of around 2 % by weight and can be used with all the commonly used types of surfactant wetting agents and dispersants in a wide range of active ingredients.
Antifoaming And Defoaming Agents
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Author :
language : en
Publisher:
Release Date : 1972
Antifoaming And Defoaming Agents written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with categories.
Standard Test Method For Effectiveness Of Defoaming Agents
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Author :
language : en
Publisher:
Release Date :
Standard Test Method For Effectiveness Of Defoaming Agents written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
Mixture Consisting Of Alkyl Glucosides And Alcohols For Use As Defoaming Agent
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Author : K. Hill
language : en
Publisher:
Release Date : 1990
Mixture Consisting Of Alkyl Glucosides And Alcohols For Use As Defoaming Agent written by K. Hill and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with categories.