Surfactant Biodegradation
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Surfactant Biodegradation Second Edition
Author | : Robert Donald Swisher |
Publsiher | : CRC Press |
Total Pages | : 1120 |
Release | : 1986-10-31 |
Genre | : Science |
ISBN | : 0824769384 |
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Surfactant Biodegradation
Author | : Robert Donald Swisher |
Publsiher | : Unknown |
Total Pages | : 524 |
Release | : 1970 |
Genre | : Technology & Engineering |
ISBN | : MINN:319510000288457 |
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Biodegradability of Surfactants
Author | : D.R. Karsa,M.R. Porter |
Publsiher | : Springer Science & Business Media |
Total Pages | : 269 |
Release | : 2012-12-06 |
Genre | : Technology & Engineering |
ISBN | : 9789401113489 |
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The awareness and development of 'biodegradable' surfactants pre-dates current pressures by the environmental movement by nearly three decades, wherein a responsible industry mutually agreed to replace 'hard', non-biodegradable com ponents of household detergents by 'soft', biodegradable alternatives, without course to legislation. The only requirement at that time was for surfactants used in detergents to exhibit a 'primary biodegradability' in excess of 80%; this referring to the disap pearance or removal from solution of the intact surface active material as de tected by specified analytical techniques. This proved useful, as observed environmental impacts of surfactants, e.g. visible foam on rivers, are associated with the intact molecule. Test methods for 'primary biodegradability' were eventually enshrined in EU legislation for nonionic surfactants (Directive 821242/EEC, amended 73/404IEEC) and for anionic surfactants (Directive 8212431EEC, amended 73/405IEEC). No approved test methods and resultant legislation have been developed for cationic and amphoteric surfactants to date. The environmental classification of chemical substances, which of course includes surfactants, and associated risk assessment utilises a second criterion 'ready biodegradability'. This may be assessed by a number of methods which monitor oxygen uptake (BOD), carbon dioxide production or removal of dis solved organic carbon (DOC). Some surfactants which comply with the above Detergents Directive are borderline when it comes to 'ready biodegradability'.
Biodegradation
Author | : Rolando Chamy |
Publsiher | : BoD – Books on Demand |
Total Pages | : 382 |
Release | : 2013-06-14 |
Genre | : Technology & Engineering |
ISBN | : 9789535111542 |
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This book contains a collection of different biodegradation research activities where biological processes take place. The book has two main sections: A) Polymers and Surfactants Biodegradation and B) Biodegradation: Microbial Behaviour.
Surfactant Biodegradation
![Surfactant Biodegradation](https://youbookinc.com/wp-content/uploads/2024/06/cover.jpg)
Author | : R. D. Swisher |
Publsiher | : Unknown |
Total Pages | : 496 |
Release | : 1987 |
Genre | : Electronic Book |
ISBN | : OCLC:1123476870 |
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Surfactant Science and Technology
Author | : Drew Myers |
Publsiher | : John Wiley & Sons |
Total Pages | : 416 |
Release | : 2020-08-04 |
Genre | : Technology & Engineering |
ISBN | : 9781119465850 |
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A solid introduction to the field of surfactant science, this new edition provides updated information about surfactant uses, structures, and preparation, as well as seven new chapters expanding on technology applications. Offers a comprehensive introduction and reference of the science and technology of surface active materials Elaborates, more fully than prior editions, aspects of surfactant crystal structure as well as their effects on applications Adds more information on new classes and applications of natural surfactants in light of environmental consequences of surfactant use
Handbook of Biodegradable Materials
Author | : Gomaa A. M. Ali,Abdel Salam H. Makhlouf |
Publsiher | : Springer Nature |
Total Pages | : 1704 |
Release | : 2023-02-20 |
Genre | : Technology & Engineering |
ISBN | : 9783031097102 |
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This Handbook discusses the recent advances in biodegradation technologies and highlights emerging sustainable materials, including environmentally friendly nano-based materials for replacing plastics. It is useful to scientists, engineers, biologists, medical doctors and provides alternative eco-friendly materials to replace the currently used ones with harmful impact on the environment and life. The chapters present different types of alternative materials in diverse areas, such as food packaging materials, materials for construction and agricultural materials. The principles and types of biodegration technologies are described in depth.
Novel Surfactants
Author | : Krister Holmberg |
Publsiher | : CRC Press |
Total Pages | : 659 |
Release | : 2003-07-03 |
Genre | : Science |
ISBN | : 9780824756215 |
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Holberg (materials and surface chemistry, Chalmers U. of Technology, Sweden) presents updated versions of the first edition's eleven chapters and includes six new chapters, mostly dealing with the concept of natural surfactants. Each chapter deals with a particular class of surfactant and is present.