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This book provides an overview of the different aspects of microbial bioconversion methodologies for valorization of underutilized wastes of varied nature. It covers microbiological/biotechnological aspects, environmental concerns, bioprocess development, scale-up aspects, challenges, and opportunities in microbial valorization at commercial scale. It explains sustainable microbiological processes for bioconversion and valorization of the wastes for production of various products of commercial interests, including biofuels, bioenergy, and other platform chemicals. The book • presents potential biotechnological topics and strategies for the valuation of agricultural waste materials; • provides technical concepts on the production of various commercially significant bioproducts; • introduces various microbial bioprocesses to sustainably valorize various potential wastes as renewable feedstocks for production of biofuels and biochemicals; • explores the relevant scale-up opportunities, commercialization aspects, and critical technological advances; and • explains concepts and recent trends in life cycle analyses in waste valorization. It is aimed at researchers and graduate students in bioengineering, biochemical engineering, microbial technology/microbiology, environmental engineering, and biotechnology.
This book covers sustainable approaches for industrial transformation pertaining to valorization of agro-industrial byproducts. Divided into four sections, it starts with information about the agro/food industry and its byproducts, including their characterization, followed by different green technologies (principle, process strategies and extraction of bioactive compounds) applied for the management of agro industry byproducts. It further explains biotechnological interventions involved in the value addition of these byproducts. Various regulatory and environmental concerns related to by-product management along with biorefinery concept and future strategies are provided as well. Features: Provides extensive coverage of agro-industrial by products and their environmental impact Details production of value-added products from agro-industrial waste Describes environmental legislations and future strategies Presents multidisciplinary approaches from fundamental to applied and addresses the biorefinery and circular economy Includes innovative approaches and future strategies for management of agro-industrial waste This book is aimed at researchers, graduate students and professionals in food science/food engineering, bioprocessing/biofuels/bioproducts/biochemicals and agriculture, bioeconomy, food waste processing, post-harvest processing, and waste management.
This proposed book chapter is expected to provide the readers with wide aspects of green technologies for industrial waste remediation. The first chapter is dedicated to the introduction to the title of the book. The chapter discusses various green technologies for industrial waste remediation. After that, the second chapter emphasizes the different types of applications of microorganisms in industrial waste treatment. After that, chapters emphasize the specific area of the title, including the micro and nanofiltration technology for the treatment of industrial wastewater, methods for the recovery and removal of heavy metals from industrial effluents, algal photobioreactor technology for industrial wastewater treatment, carbon capture and energy recovery, bioremediation of radioactive wastes, membrane-based technologies for industrial waste management, valorization of agro-industrial wastes for biorefinery products, bioaccumulation and detoxification of metals through genetically engineered microorganism, application of biochar in waste remediation, constructed wetlands for industrial wastewater remediation, bioelectrochemical treatment of recalcitrant pollutants, microplastics, petrochemicals including BTEX, applications of biosorbents in industrial wastewater treatment, Microbial biofilm reactor for sustainable wastewater treatment, dye adsorption and degradation using microbial consortium, sustainable treatment of endocrine disruptive chemicals released from industries, biological nanomaterials for industrial wastewater management, vermifiltration as a natural, cost-effective and green technology for biomanagement of industrial wastewater, biocatalytic remediation of industrial pollutants, and green treatment of poly aromatic hydrocarbons released from industrial waste. All the chapters cover various aspects of sustainable management of industrial wastes covering relevant literature and data. Further, this book discusses the various advanced techniques/methods adopted for the enhancement of waste management, like the application of nanoparticles. This book discusses other related topics such as algal photobioreactors for carbon dioxide sequestration. Further, chapters are included to discuss about life cycle assessment of the wastewater treatment tools and commercialization aspects.
This book explores the concept and methods of waste management with a new approach of biological valorization. Waste valorization is a process that aims to reduce, reuse, and recycle the waste into usable, value-added, and environmental benign raw materials which can be a source of energy. The book brings together comprehensive information to assert that waste can be converted into a resource or a raw material for value addition. Waste valorization imbibes the natural recycling principles of zero waste, loop closing, and underlines the importance of sustainable and environmentally friendly alternatives. Drawing upon research and examples from around the world, the book is offering an up-to-date account, and insight into the contours of waste valorization principles, biovalorization technologies for diverse group of wastes including agricultural, municipal, and industrial waste. It further discusses the emerging paradigms of waste valorization, waste biorefineries, valorization technologies for energy, biofuel, and biochemical production. The book meets the growing global needs for a comprehensive and holistic outlook on waste management. It is of interest to teachers, researchers, scientists, capacity builders and policymakers. Also, the book serves as additional reading material for undergraduate and graduate students of biotechnology and environmental sciences.
This book, besides discussing challenges and opportunities, will reveal the microbe-metal interactions and strategies for e-waste remediation in different ecosystems. It will unveil the recent biotechnological advancement and microbiological approach to sustainable biorecycling of e-waste such as bioleaching for heavy metal extraction, valorization of precious metal, biodegradation of e-plastic, the role of the diverse microbial community in e-waste remediation, genetically engineered microbes for e-waste management, the importance of microbial exopolysaccharides in metal biosorption, next-generation technologies, omics-based technologies etc. It also holds the promise to discuss the conservation, utilization and cataloging indigenous microbes in e-waste-polluted niches and promising hybrid technology for sustainable e-waste management. Revolution in the area of information technology and communication is constantly evolving due to scientific research and development. Concurrently, the production of new electrical and electronic equipment also thus uplifting in this era of revolution. These technological advancements certainly have problematic consequences which is the rise of huge amounts of electronic obsoletes or electronic waste (e-waste). Improper management of both hazardous and nonhazardous substances of e-waste led to a major concern in our digital society and environment. Therefore, a sustainable approach including microbial candidates to tackle e-waste is the need of the hour. Nevertheless, the continuous demand for new-generation gadgets and electronics set this high-tech evolution to a new frontier in the last few years. With this continuing trend of technological development, e-waste is expanding exponentially worldwide. In the year of 2019, the worldwide generation of e-waste was approximately 53.6 Mt, of which only about 17.4% of e-waste was collected and recycled, and the other 82.6% was not even documented. E-waste contains various heterogeneous waste complexes such as metals (60%), blends of many polymers (30%) and halogenated compounds, radioactive elements and other pollutants (10%), respectively. The sustainable, efficient, and economic management of e-waste is thus, a challenging task today and in the coming decades. Conventional techniques such as the use of chemicals, incineration and informal ways of e-waste dismantling trigger serious health risks and contamination to the human population and environment, respectively due to the liberation of toxic and hazardous substances from the waste. In this context, bio-candidates especially microorganisms could be sharp-edged biological recycling tools to manage e-waste sustainably. As microbes are omnipresent and diverse in their physiology and functional aspects, they offer a wide range of bioremediation.
Enzymes play a vital role in the enzymatic hydrolysis of waste for its conversion to useful value-added products. Enzymatic Hydrolysis of Waste for Development of Value-added Products focusses on the role of key enzymes such as cellulase, hemicellulases, amylases, and auxiliary enzymes (LMPOs), used in the hydrolysis step of the biorefinery setup. Further, it discusses the role of enzymes in the generation of reducing sugars and value-added compounds, with major emphasis on recent advances in the field. The mechanism, importance, type, evolution, and role of enzymes in hydrolysis constitute the crux of this volume, which is illustrated with examples and pertinent case studies. Features: • Explores the role of hydrolyzing enzymes in the breakdown and transformation of biomass hydrolysis. • Discusses the potential of auxiliary enzymes (LPMOs) for enhancing hydrolysis potential. • Covers recent developments in the field of enzymatic-assisted hydrolysis of waste for conversion of waste to value-added products. • Deliberates all possible products that can be generated from enzymatic hydrolysis of waste and their potential utilization. • Elucidates the limitations and advantages of enzyme-based hydrolysis and possible strategies for moving from the laboratory to large scale industries. This book is aimed at graduate students, researchers and related industry professionals in biochemical engineering, environmental science, wastewater treatment, biotechnology, applied microbiology, biomass-based biorefinery, biochemistry, green chemistry, sustainable development, waste treatment, enzymology, microbial biotechnology, and waste valorization.