This book highlights ways to evaluate circular economy using global standard and footprints the way global firms are using to ensure the measurement of the impact. It presents various case studies from different sectors with the efforts made to contribute to circular economy and at the same time its contribution to minimize carbon and water footprints.

Current Developments in Biotechnology and Bioengineering: Resource Recovery from Wastes includes the latest and innovative research and technological developments in the biotechnology and bioengineering pertaining to various resource(s) recovery from wastes. The contents are organized into two broader sections covering resource recovery from industrial wastewater and resource recovery from solid wastes. Sections cover energy, bioproducts, nutrients, municipal food wastes, electronic wastes, agricultural waste and others. The state-of-the-art situation, potential advantages and limitations are also provided, along with strategies to overcome limitations. This book is a useful guide into research demands in solid and liquid waste treatment and management for environmental/economic sustainability.

Current wastewater treatment technologies are not sustainable simply due to their high operational costs and process inefficiency. Integrated Microbial Fuel Cells for Wastewater Treatment is intended for professionals who are searching for an innovative method to improve the efficiencies of wastewater treatment processes by exploiting the potential of Microbial Fuel Cells (MFCs) technology. The book is broadly divided into four sections. It begins with an overview of the "state of the art" bioelectrochemical systems (BESs) as well as the fundamentals of MFC technology and its potential to enhance wastewater treatment efficiencies and reduce electricity generation cost. In section two, discusses the integration, installation, and optimization of MFC into conventional wastewater treatment processes such as activated sludge process, lagoons, constructed wetlands, and membrane bioreactors. Section three outlines integrations of MFCs into other wastewater processes. The final section provides explorative studies of MFC integrated systems for large scale wastewater treatment and the challenges which are inherent in the upscaling process.

Agrochemicals Detection, Treatment and Remediation focuses on the latest research surrounding the detection and remediation of a new generation of agrochemical contaminants. The book defines the occurrence, sources, types and effects of agrochemicals, including herbicides, insecticides, fungicides and soil fumigants in the environment. The book covers both advanced physical and chemical methods for the abatement of these emerging contaminants in environmental media. Environmental Engineers and Researchers will find this to be a valuable reference on advanced processes for resource recovery, including nanotechnology for the recovery of phosphate from fertilizer industry wastewater.

Emerging and Nanomaterial Contaminants in Wastewater: Advanced Treatment Technologies describes the state-of-the-art of remediation technologies, such as those involving nanotechnology, filtration devices (e.g. membranes), strategies involving adsorption and precipitation processes, development of new sorbents, nanosorbents, biosorbents, green technology, bio-electrokinetics, degradation of pollutants, advanced oxidative process, oxidative electrochemical and photocatalytic processes, catalytic degradation, and emerging hybrid technologies, such as photocatalyst membrane photoreactors using TiO2. Scientists and researchers in academia and industry will benefit from this comprehensive resource on the fundamental science behind the mechanisms at which wastewater sources can be purified from emerging contaminants.

Plastic Waste and Recycling: Environmental Impact, Societal Issues, Prevention, and Solutions begins with an introduction to the different types of plastic materials, their uses, and the concepts of reduce, reuse and recycle before examining plastic types, chemistry and degradation patterns that are organized by non-degradable plastic, degradable and biodegradable plastics, biopolymers and bioplastics. Other sections cover current challenges relating to plastic waste, explain the sources of waste and their routes into the environment, and provide systematic coverage of plastic waste treatment methods, including mechanical processing, monomerization, blast furnace feedstocks, gasification, thermal recycling, and conversion to fuel. This is an essential guide for anyone involved in plastic waste or recycling, including researchers and advanced students across plastics engineering, polymer science, polymer chemistry, environmental science, and sustainable materials.

Handbook of Electronic Waste Management: International Best Practices and Case Studies begin with a brief summary of the environmental challenges associated with the approaches used in international e-waste handling. The book's authors offer a detailed presentation of e-waste handling methods that also includes examples to further demonstrate how they work in the real world. This is followed by data that reveals the geographies of e-waste flows at global, national and subnational levels. Users will find this resource to be a detailed presentation of e-waste estimation methods that also addresses both the handling of e-waste and their hazardous effect on the surrounding environment.

This volume provides a collection of research findings on the distribution and risk associated with emerging contaminants (ECs) in water and wastewater across the globe, and effective remediation techniques and technologies. The book covers various monitoring techniques for ECs in water and wastewater and its related impacts on the ambient environment, and offers valuable information on cost-effective monitoring techniques and sustainable treatment technologies for ECs. The authors detail the risks and biological effects of ECs and legacy persistent organic pollutants (POPs) in freshwater and marine systems, including their adverse interactions with aquatic organisms, while also discussing the associated impacts on human health. The book comprehensively covers current research outcomes on treatment methods, cost-effectiveness, and infrastructure needs for effective removal of ECs. It will be of interest to students, researchers, and scholars in environmental science and engineering, water and wastewater, toxicology, environmental biotechnology, soil sciences, and microbial ecology.

This book highlights the significance of urban agricultural production, the technologies and methods for supplying organic materials to the farmland, recovering plant nutrients and energy in cities, and systems for sustaining farmlands in order to produce agricultural crops and supply safe food to citizens. Focusing on the effective recycling of biomass waste generated in cities for use in organic farming, it discusses alternatives to traditional composting, such as carbonizing organic waste, which not only produces recyclable materials but also converts organic waste into energy. Recycling discarded organic matter appropriately and reusing it as both material and energy is the basis of new urban organic farming, and represents a major challenge for the next generation of urban agriculture. As such, the book presents advanced research findings to facilitate the implementation of safe, organic agricultural production with only a small environmental load.

Sustainable Resource Recovery and Zero Waste Approaches covers waste reduction, biological, thermal and recycling methods of waste recovery, and their conversion into a variety of products. In addition, the social, economic and environmental aspects are also explored, making this a useful textbook for environmental courses and a reference book for both universities and companies.

Waste: A Handbook for Management, Second Edition, provides information on a wide range of hot topics and developing areas, such as hydraulic fracturing, microplastics, waste management in developing countries, and waste-exposure-outcome pathways. Beginning with an overview of the current waste landscape, including green engineering, processing principles and regulations, the book then outlines waste streams and treatment methods for over 25 different types of waste and reviews best practices and management, challenges for developing countries, risk assessment, contaminant pathways and risk tradeoffs. With an overall focus on waste recovery, reuse, prevention and lifecycle analysis, the book draws on the experience of an international team of expert contributors to provide reliable guidance on how best to manage wastes for scientists, managers, engineers and policymakers in both the private and public sectors.

Science of Carbon Storage in Deep Saline Formations: Process Coupling across Time and Spatial Scales summarizes state-of-the-art research, emphasizing how the coupling of physical and chemical processes as subsurface systems re-equilibrate during and after the injection of CO2. In addition, it addresses, in an easy-to-follow way, the lack of knowledge in understanding the coupled processes related to fluid flow, geomechanics and geochemistry over time and spatial scales. The book uniquely highlights process coupling and process interplay across time and spatial scales that are relevant to geological carbon storage.

Key features: 1. Reviews recently developed approaches/strategies/ technologies to solve five major trends in the field of wastewater treatment, including nutrient removal and resource recovery, organometallic compounds detoxification, energy-saving and production, sustainability, and community involvement. 2. Useful for students, researchers, scientists a wide range of professionals responsible for regulating, monitoring, and designing industrial waste facilities. 3. Provides a comprehensive review of new trends and advances in microbial biotechnology through discussion of recent developments in this field of wastewater treatment, recycling, and reuse for sustainable development.

Advanced Oxidation Processes for Waste Water Treatment: Emerging Green Chemical Technology is a complete resource covering the fundamentals and applications of all Advanced Oxidation Processes (AOPs). This book presents the most up-to-date research on AOPs and makes the argument that AOPs offer an eco-friendly method of wastewater treatment. In addition to an overview of the fundamentals and applications, it details the reactive species involved, along with sections on reactor designs, thus helping readers understand and implement these methods.

In this first volume, various materials such as chitosan, lignin-based biomaterials, cellulosic based bio materials, carbon materials, Polysaccharide-composites materials, Aromatic-Based Synthetic Macromolecules, Agricultural wastes, etc for treating textile waste water are highlighted. One of the major pollutants in the textile and fashion industry is (textile) waste water. Textile wastewater can lead to serious environmental issues if discharged without proper and sufficient treatment. The materials employed along with the technologies available to trate waste water are the key. There are a lot of advancements in terms materials, technologies employed for textile waste water treatment. Sustainable bio-nano materials and macro molecules play a major role in the efficient treatment of textile waster.

Current Developments in Biotechnology and Bioengineering: Waste Treatment Processes for Energy Generation provides extensive research on the role of waste management processes/technologies for energy generation. The enormous increase of waste materials generated by human activity and its potentially harmful effects on the environment and public health have led to an increasing awareness of an urgent need to adopt scientific methods for the safe disposal of wastes. This book outlines the basic knowledge, processes and technologies for the generation of energy from waste and functions as an important reference for academics and practitioners at varying levels of interest and knowledge. The book's content encompasses all issues for energy recovery from waste in a very clear and simple manner, acting as a comprehensive resource for anyone seeking an understanding on the topic.

Remediation of wastewater is important to ensure that pollutants generated in industry do not effect our environment negatively. Traditional wastewater remediation is not a sustainable process, however by using biological means the sustainability can be improved. This book explores how bioremediation biotechnology is used to remove pollutants in wastewater. Both conventional methods bioremediation technologies are discussed.

This book addresses the need for a technical guided thought on production, consumption, and waste management of plastic and polymers in the African continent. Issues such as resource availability, processing technologies, plastic policies, and much more are covered in the book. While Africa is made up of several different countries which might be different from each other in many ways, these countries within the African continent have some commonalities such as region, some shared history, resources, and some shared policies through organizations such as the African Union, African Free trade Zone, and ECOWAS. With a population of over a billion, the African continent has become an attractive market for various businesses. Several publications in recent years have pushed for the advancement of the African continent toward increased manufacturing as a road to development. This inevitably includes the plastics and other polymers industry. Careful consideration must be taken to ensure that this growth will focus on more sustainable and greener manufacturing; otherwise, this anticipated growth in the plastics and polymer industry will only spell increased pollution and worsening of the environment.

This book describes a simplified approach to the modelling and process design of a fixed bed hybrid bioreactor for wastewater treatment. In this work a simplified model for hybrid bioreactor is developed to determine output parameters like exiting substrate concentration in bulk liquid, average substrate flux in the biofilm, effective and total biofilm thickness. The model is based on mass balance of both carbonaceous substrate and biomass under suspended and attached growth simultaneously along with substrate mass transport into the biofilm. The proposed model has also been validated with the results obtained from experimental study with municipal wastewater considering as a low strength wastewater with no inhibition. There is a flexibility of the proposed model making it a versatile one to find out the exiting substrate concentration both in hybrid bioreactor as well as in a completely mixed biofilm reactor (CMBR). The book caters to academics and practitioners working in the field of advanced wastewater treatment.

This book addresses recycling technologies for many of the valuable and scarce materials from spent lithium-ion batteries. A successful transition to electric mobility will result in large volumes of these. The book discusses engineering issues in the entire process chain from disassembly over mechanical conditioning to chemical treatment. A framework for environmental and economic evaluation is presented and recommendations for researchers as well as for potential operators are derived.

A technical and economic review of emerging waste disposal technologies

Intended for a wide audience ranging from engineers and academics to decision-makers in both the public and private sectors, "Municipal Solid Waste to Energy Conversion Processes: Economic, Technical, and Renewable Comparisons" reviews the current state of the solid waste disposal industry. It details how the proven plasma gasification technology can be used to manage Municipal Solid Waste (MSW) and to generate energy and revenues for local communities in an environmentally safe manner with essentially no wastes.

Beginning with an introduction to pyrolysis/gasification and combustion technologies, the book provides many case studies on various waste-to-energy (WTE) technologies and creates an economic and technical baseline from which all current and emerging WTE technologies could be compared and evaluated.

Topics include:

Pyrolysis/gasification technology, the most suitable and economically viable approach for the management of wastes

Combustion technology

Other renewable energy resources including wind and hydroelectric energy

Plasma economics

Cash flows as a revenue source for waste solids-to-energy management

Plant operations, with an independent case study of Eco-Valley plant in Utashinai, Japan

Extensive case studies of garbage to liquid fuels, wastes to electricity, and wastes to power ethanol plants illustrate how currently generated MSW and past wastes in landfills can be processed with proven plasma gasification technology to eliminate air and water pollution from landfills.

Provides information regarding bioelectrochemical systems mediated value-added chemical synthesis and waste remediation and resource recovery approaches Covers the use of microbial biofilm and algae-based bioelectrochemical systems for bioremediation and co-generation of valuable chemicals Explains waste to energy related concepts to treat industrial effluents along with bioenergy generation Deals with various engineering approaches for chemicals production in eco-friendly manner Discusses emerging electro-fermentation technology

"Enzymes in Valorization of waste: Enzymatic pre-treatment of waste for development of enzyme based biorefinery" focusses on the role of key delignifying enzymes (Laccase, MnP, LiP and LPMO's) involved in biomass pre-treatment. The role of these enzymes such as hemicellulose, chitinases, and pectinases are discussed exhaustively including enzyme assisted recovery of high value phenolic compounds and value-added compounds generated during the pre-treatment process. All chapters cover broad topics and thematic areas associated with the pre-treatment step of biorefinery including enzyme mediated water treatment and its associated applications in biofuels, biorefineries and bioconversion. Features: Highlights mechanistic approach how the enzyme being able to regulate the delignification. Discusses advantages of the enzymatic delignification over other physical and chemical methods. Illustrates role of enzymes such as pectinase and chitinases and breaking down of biomass recalcitrance due to presence of pectin and chitin. Consolidates details on de-lignifying enzymes ((Laccase, MnP, LiP and LPMO's) suitable in biomass pretreatment. Explores role of delignifying enzymes in high value phenolic compounds recovery during the enzymatic delignification. This book aims 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.