Efficiency Of Biosurfactants Applied By Means Of Electrokinetics
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Efficiency Of Biosurfactants Applied By Means Of Electrokinetics
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Author : Lin Ju
language : en
Publisher:
Release Date : 1999
Efficiency Of Biosurfactants Applied By Means Of Electrokinetics written by Lin Ju and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Biosurfactants categories.
An evaluation of the efficiency of rhamnolipids (biosurfactants) used in electrokinetic remediation of soil contaminated with phenanthrene was presented. Bench scale tests were conducted using four experimental series in order to determine the feasibility and mechanisms of biosurfactant-enhanced phenanthrene removal from mica soil. The bench-scale study showed that bacteria (Pseudomonas aeruginosa) could survive to a certain extent when a low voltage DC electric field was applied. In addition, it was found that these bacteria could produce rhamnolipids in the clayey soil under the electric field. Experimental results showed that during the 14-day experimental period, phenanthrene was partially removed. The highest removal was achieved in the cathode area (85% removal). These promising results are an indication that this process can be applied as an in-situ enhancement technique for improving the efficiency of electrokinetic soil remediation. It was proved that bio-micelles, formed due to the introduction of ex-situ produced biosurfactants, could be transported to the electrode areas due to both electroosmotic and electrophoretic phenomena. It also indicated that the electrokinetic introduction of engineering produced biosurfactants into the contaminated clayey soil was feasible. The mechanisms involved in the formation of bio-micelles, were described in a bench-scale test using Fourier Transform Infrared Spectrometers (FTIR) and Atomic Force Microscopy (AFM). Results permitted to describe that the transformation of bio-micelles kinetically changed under the electric field. It was found that spherical, bilayer, and multi-lamellar micelles were formed at different phases of the electrokinetic experiment. The presence of clayey particles and the electric field attenuated and deferred the formation of bio-micelles. Knowledge of the kinetics of bio-micelle formation process are paramount to the accurate application of biosurfactants in electrokinetic remediation of PAH contaminated clayey soil. The effort to desorb and solubilize phenanthrene, by promoting the formation of bilayer bio-micelles, became successful in bench-scale electrokinetic experiments. In addition, the successful ex-situ production of biosurfactants can be used on an industrial scale for electrokinetic soil remediation. The above-described developments can be applied as a new in-situ remediation technology: bio-electrokinetics.
Microbial Biosurfactants And Their Environmental And Industrial Applications
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Author : Ibrahim M. Banat
language : en
Publisher: CRC Press
Release Date : 2019-01-15
Microbial Biosurfactants And Their Environmental And Industrial Applications written by Ibrahim M. Banat and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-01-15 with Science categories.
Microbial biosurfactants are green molecules with high application potential in environmental and industrial sectors. Chemical diversity of biosurfactants allows them versatility and broad range surfactants capability without compromising performance or economic viability. Biosurfactants are used as emulsifiers, dispersants, wetting agents, oil recovery agents, biopesticides, stabilizers, solubilizers, and bioremediation agents (pesticide, heavy metals and oil spill cleanup). This comprehensive book on biosurfactants and their environmental and industrial applications offers a broad spectrum of information on potential applications of biosurfactants in various fields and related technological developments.
Dissertation Abstracts International
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Author :
language : en
Publisher:
Release Date : 2002
Dissertation Abstracts International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Dissertations, Academic categories.
Biosurfactants And Sustainability
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Author : Paulo Ricardo Franco Marcelino
language : en
Publisher: John Wiley & Sons
Release Date : 2023-05-09
Biosurfactants And Sustainability written by Paulo Ricardo Franco Marcelino and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-05-09 with Science categories.
Biosurfactants and Sustainability A timely and authoritative collection of resources on the sustainable production of biosurfactants In Biosurfactants and Sustainability, a team of distinguished researchers presents emerging themes in the rapidly evolving field of biosurfactants. The editors have chosen work that focuses on biosurfactants as eco-friendly and versatile compounds of interest in societies seeking sustainable forms of development. The book examines biosurfactants in the context of biorefineries and in the exploration of extremophilic microorganisms for biosurfactant production. The included works discuss biosurfactant production from different lignocellulosic and amylaceous raw materials, as well as oilseeds and other agro-industrial byproducts. Readers will also find: A thorough introduction to microorganisms producing biosurfactants, as well as sustainable biosurfactant production in biorefineries Comprehensive explorations of the challenges of biosurfactant production in fermentation processes Practical discussions of bioreactors and metabolic engineering used in biosurfactant production Fulsome treatments of biosurfactant production using enzyme and novel biosurfactant applications in nanotechnology, health, agriculture, and environmental cleanup Perfect for researchers and professionals with an interest in biosurfactant application and biotechnology processes, Biosurfactants and Sustainability will also benefit academic researchers, industry scientists, and engineers in biotechnology, microbiology, biomass conversion, environmental science and engineering.
Advancements In Biosurfactants Research
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Author : Ruby Aslam
language : en
Publisher: Springer Nature
Release Date : 2023-01-25
Advancements In Biosurfactants Research written by Ruby Aslam and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-01-25 with Science categories.
This book presents numerous uses of biosurfactants as potential alternatives to synthetic surfactants in food, textile, biomedical and therapeutic applications as well as in bioremediation and waste management. Divided into four parts, the book explores a wide range of biosurfactants as sustainable materials, starting with an overview of biosurfactants’ production, in which readers will find topics such as characterization, purification, sustainable production, biodegradation, and cytotoxic aspects of biosurfactants. Part 2 presents the latest applications of biosurfactants in food and textile industries, as well as their application in nanoparticle synthesis, heavy metal remediation, drug absorption, waste treatment, agriculture management, marine sediment remediation of organic pollutants, emulsification and biofuel production, and as anti-corrosive agents. Part 3 traces current biomedical applications of biosurfactants, including their use as biocidal, wound healing, and anti-tumour agents. In this part, readers will also discover further applications of biosurfactants in oral cavity care, and biofilm prevention and disruption. The final part of the book discusses the main advantages and disadvantages of biosurfactants over synthetic surfactants, the current challenges in biosurfactant research, and prospects for their commercialization. This book will be a valuable resource for students, scholars and researchers working in the fields of colloidal and interface science, chemistry and chemical engineering. Professionals and scholars alike will appreciate the latest research findings that it presents.
Rhizomicrobiome Dynamics In Bioremediation
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Author : Vivek Kumar
language : en
Publisher: CRC Press
Release Date : 2021-04-19
Rhizomicrobiome Dynamics In Bioremediation written by Vivek Kumar and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-04-19 with Technology & Engineering categories.
Intensified agrarian and industrial activity has led to earth's soil and groundwater resources becoming polluted with hazardous materials. Bioremediation delivers a green technology using dynamics of living organisms, typically bacteria, fungi, microalgae and also plants to eliminate contaminants from ecosystem. This biological know-how is not only cost-effective compared to conventional physico-chemical approaches, but also very successful and is being employed in the field. This book focuses on important issues for several critical and common environmental pollutants, resulting in a compilation having recent updates on the bioremediation applications towards green and clean environment. This volume also describes updates on various novel approaches of bioremediation including nanotechnology, rhizomicrobiome technology, composting, metagenomics, and biosurfactants-based bioremediation. This volume is a resource for researchers, environmentalists, professionals and policy makers.
Rhizobiont In Bioremediation Of Hazardous Waste
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Author : Vivek Kumar
language : en
Publisher: Springer Nature
Release Date : 2021-05-22
Rhizobiont In Bioremediation Of Hazardous Waste written by Vivek Kumar and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-05-22 with Science categories.
This book describes many novel approaches of microbial bioremediation including conventional and modern approaches, metagenomics, biosurfactants and nano-based bioremediation. Also presents up-to-date knowledge about biodegradation of solid and liquid contaminants in the rhizospheric zone by plant (rhizo)-microbiome interface. It also illustrates communication pathways based on evolving methodologies, bioinformatic tools which provides insights into the functional dynamics of bioremediation process by the host-microbiome interface. The different chapters explain the mechanism and outcomes during the process of bioremediation. The book broadly depicts the following: Advances in bioremediation through nanoremediation, rhizo-remediation, bioremediation of different ecosystems like polluted waters, industrial effluents, bioremediation of metal and organic pollutants, toxic dyes etc. The book is very useful for researchers and students in the fields of applied and environmental microbiology. It is also meant for industry experts and professionals working in the field of bioremediation and waste management.
American Doctoral Dissertations
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Author :
language : en
Publisher:
Release Date : 1999
American Doctoral Dissertations written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Dissertation abstracts categories.
Bio Organic Amendments For Heavy Metal Remediation
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Author : Allah Ditta
language : en
Publisher: Elsevier
Release Date : 2024-07-23
Bio Organic Amendments For Heavy Metal Remediation written by Allah Ditta and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-07-23 with Science categories.
Bio-organic Amendments for Heavy Metal Remediation: Water, soil and plant focuses on these core continuum media to explore remediation options using microbial, organic and combined approached. A volume in the Plant Biology, Sustainability and Climate Change series, this book offers a comprehensive view of techniques and approaches for addressing contamination by heavy metals.As anthropogenic activities increasingly negatively impact natural resources, there has been significant disturbance of water, soil, and plant continuum due to the accumulation of heavy metals. The bioaccumulation of heavy metals in the food chain could pose life-threatening effects on plants as well as humans, and there is need to find effective and sustainable remediation options. The application of bio-organic amendments could serve as a sustainable solution to this problem.Employing microbial, organic and combined approaches to reduce the accumulation of heavy metals in the food chain ultimately would lead to the production of safe food for humans.This book provides a comprehensive view of the challenge with a focus on the bioremediation of heavy metals contamination using ecotechnological approaches to protecting the soil, water and plant continuum. Highlights remediation techniques/approaches for heavy metals under water, soil and plant continuums Presents case-studies for real-world insights as well as current practices Includes regulatory aspects for ensuring safe implementation
Encyclopedia Of Environmental Health
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Author :
language : en
Publisher: Elsevier
Release Date : 2019-08-22
Encyclopedia Of Environmental Health written by and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-08-22 with Science categories.
Encyclopedia of Environmental Health, Second Edition, Six Volume Set presents the newest release in this fundamental reference that updates and broadens the umbrella of environmental health, especially social and environmental health for its readers. There is ongoing revolution in governance, policies and intervention strategies aimed at evolving changes in health disparities, disease burden, trans-boundary transport and health hazards. This new edition reflects these realities, mapping new directions in the field that include how to minimize threats and develop new scientific paradigms that address emerging local, national and global environmental concerns. Represents a one-stop resource for scientifically reliable information on environmental health Fills a critical gap, with information on one of the most rapidly growing scientific fields of our time Provides comparative approaches to environmental health practice and research in different countries and regions of the world Covers issues behind specific questions and describes the best available scientific methods for environmental risk assessment