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4 produkter
4 produkter
Microbial Synthesis of Chalcogenide Nanoparticles
Combining Bioremediation and Biorecovery of Chalcogen in the Form of Chalcogenide Nanoparticles
Häftad, Engelska, 2018
1 105 kr
Skickas inom 10-15 vardagar
Recent years have seen a growing interest in the application of chalcogenide nanoparticles (NPs), e.g. Se, Te, CdSe and CdTe NPs, in various industrial sectors including energy, petroleum refining and in the field of biology and medicine. Moreover, due to the high toxicity of chalcogen oxyanions, their release into the environment is of great concern. Thus, emphasis was given in this study on the development of a novel microbial synthesis process of chalcogenide NPs by combining biological treatment of Se/Te containing wastewaters with biorecovery in the form of Se NPs, Te NPs and CdSe NPs. Enrichment of Se-oxyanion reducing microorganisms was carried out to simultaneously remove selenite (Se(IV)) and cadmium (Cd(II)) from wastewaters by combining bioremediation of toxic Se-rich wastewater with the biorecovery of Se as CdSe NPs. The results showed compositional changes in the extracellular polymeric substances (EPS) matrix of the anaerobic granular sludge upon exposure to Cd(II) and Se(IV) and identified the roles of EPS fractions in the biogenesis of CdSe NPs. Besides, it was found that the EPS on the surface of the biogenic Se NPs play a major role in lowering the bioavailability and toxicity of biogenic Se(0) compared to chemogenic Se(0) NPs. An upflow anaerobic sludge blanket (UASB) reactor was used for the first time to continuously remove tellurite from wastewater and recover biogenic Te(0).
Emerging Trends in Microbial Electrochemical Technologies for Sustainable Mitigation of Water Resources Contamination
Microbial Electrochemical Technologies in Wastewater Treatment
Inbunden, Engelska, 2024
2 310 kr
Skickas inom 7-10 vardagar
The book aims to highlight the application of microbial electrochemical technologies, their fundamental to advanced, recent applications, management strategies, and relevant case studies.
2 100 kr
Skickas inom 10-15 vardagar
This book covers broader application of biotechnology for the protection of environment through different bioremediation and biodegradation techniques developed for removal of environmental contaminants including the recently discovered contaminants.
2 100 kr
Skickas inom 10-15 vardagar
This book covers broader application of biotechnology for the protection of environment through different bioremediation and biodegradation techniques developed for removal of environmental contaminants including the recently discovered contaminants. The book offers a comprehensive overview of environmental pollutants including their fate, behavior, environmental and associated health risks. It is useful reading material for postgraduate and graduate students of environmental biotechnology, environmental microbiology and ecology. Young researchers also find the chapters useful understanding the latest developments.