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Recovery and recycling of valuable metals
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Year: 2022 Publisher: Basel : MDPI - Multidisciplinary Digital Publishing Institute,

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Metals have always played a significant role in human life, and the current global growth and prosperity are directly dependent on these materials. With the rapidly growing global demand for metals, their extraction from natural minerals (as their primary sources) has been enhanced, causing a significant reduction in the grade and quality of the ores in ore deposits and leading to the production of huge amounts of waste, which requires management. In light of this, new proposals to develop more advanced metal recovery technologies from minerals are needed. Additionally, the huge quantity of waste generated through all steps of metal production is known to be a source of environmental pollution, while its valorization can create value via recycling metals or even though use in the production of other valuable materials. Such waste valorization is also in line with the United Nations' Sustainable Development Goals (SDGs), as well as the implementation of the Paris Agreement. In this regard, the recycling of end-user products in order to reproduce valuable metals can also create significant value and reduce mining activities, and thus, their harmful consequences worldwide. Therefore, research and development in the state-of-the-art technologies for the recovery and recycling of metals are absolutely necessary. The aim of this Special Issue was to collect a range of articles on different aspects of valuable metal recovery and recycling from primary and secondary sources, as well as to decipher all new methods, processes, and knowledge in valuable metal production. We hope that this open access Special Issue will provide a great opportunity to demonstrate the work of researchers working in this area all around the world and help to provide new ideas for researchers who are working in the areas of hydrometallurgy, mineral processing, and waste recycling and valorization.


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Behavioral Insights to Reduce Open Waste Burning in Lao PDR : Behavioral Insights and Policy Options
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Year: 2022 Publisher: Washington, D.C. : World Bank,

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In order to promote environmentally friendly behaviors, it is fundamental not only to consider and modify already existing infrastructure and facilities, or rethink physical prompts and cues in the environment, but also contemplate and target the cognitive traits inherent to any human being. Sustainable behaviors such as recycling, reusing, and composting are driven by different motivations and beliefs. In the past few decades, scholars have also devoted significant attention to identify and describe major socio-psychological and situational determinants of sustainable behaviors, such as age, gender, cultural background, attitudes, knowledge, motivation, social influence and others. In this report, the authors provide a description of how behavioral science was used to generate insights on factors that influence open burning in the population of Lao People's Democratic Republic (PDR). This report will walk the reader through the different phases of the behavioral method applied to open burning in Lao PDR. In the definition phase the behavior is outlined, and the social, psychological, and contextual factors that influence it are studied. In the second phase, an intervention based on the hypotheses is designed. Finally, the intervention is implemented and evaluated in order to adapt the solutions to the current reality of the population.

Keywords

Air --- Waste disposal. --- Pollution.


Book
Recovery and recycling of valuable metals
Author:
Year: 2022 Publisher: Basel : MDPI - Multidisciplinary Digital Publishing Institute,

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Abstract

Metals have always played a significant role in human life, and the current global growth and prosperity are directly dependent on these materials. With the rapidly growing global demand for metals, their extraction from natural minerals (as their primary sources) has been enhanced, causing a significant reduction in the grade and quality of the ores in ore deposits and leading to the production of huge amounts of waste, which requires management. In light of this, new proposals to develop more advanced metal recovery technologies from minerals are needed. Additionally, the huge quantity of waste generated through all steps of metal production is known to be a source of environmental pollution, while its valorization can create value via recycling metals or even though use in the production of other valuable materials. Such waste valorization is also in line with the United Nations' Sustainable Development Goals (SDGs), as well as the implementation of the Paris Agreement. In this regard, the recycling of end-user products in order to reproduce valuable metals can also create significant value and reduce mining activities, and thus, their harmful consequences worldwide. Therefore, research and development in the state-of-the-art technologies for the recovery and recycling of metals are absolutely necessary. The aim of this Special Issue was to collect a range of articles on different aspects of valuable metal recovery and recycling from primary and secondary sources, as well as to decipher all new methods, processes, and knowledge in valuable metal production. We hope that this open access Special Issue will provide a great opportunity to demonstrate the work of researchers working in this area all around the world and help to provide new ideas for researchers who are working in the areas of hydrometallurgy, mineral processing, and waste recycling and valorization.


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Mine waste utilization
Authors: --- ---
ISBN: 1003268498 1003268498 1000602729 1000602737 Year: 2022 Publisher: Boca Raton, Florida : CRC Press,

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Book
Recovery and recycling of valuable metals
Author:
Year: 2022 Publisher: Basel : MDPI - Multidisciplinary Digital Publishing Institute,

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Bookmark

Abstract

Metals have always played a significant role in human life, and the current global growth and prosperity are directly dependent on these materials. With the rapidly growing global demand for metals, their extraction from natural minerals (as their primary sources) has been enhanced, causing a significant reduction in the grade and quality of the ores in ore deposits and leading to the production of huge amounts of waste, which requires management. In light of this, new proposals to develop more advanced metal recovery technologies from minerals are needed. Additionally, the huge quantity of waste generated through all steps of metal production is known to be a source of environmental pollution, while its valorization can create value via recycling metals or even though use in the production of other valuable materials. Such waste valorization is also in line with the United Nations' Sustainable Development Goals (SDGs), as well as the implementation of the Paris Agreement. In this regard, the recycling of end-user products in order to reproduce valuable metals can also create significant value and reduce mining activities, and thus, their harmful consequences worldwide. Therefore, research and development in the state-of-the-art technologies for the recovery and recycling of metals are absolutely necessary. The aim of this Special Issue was to collect a range of articles on different aspects of valuable metal recovery and recycling from primary and secondary sources, as well as to decipher all new methods, processes, and knowledge in valuable metal production. We hope that this open access Special Issue will provide a great opportunity to demonstrate the work of researchers working in this area all around the world and help to provide new ideas for researchers who are working in the areas of hydrometallurgy, mineral processing, and waste recycling and valorization.


Book
Nuclear waste : management, disposal and governance
Authors: ---
ISBN: 0750330945 0750330953 Year: 2022 Publisher: Bristol [England] (Temple Circus, Temple Way, Bristol BS1 6HG, UK) : IOP Publishing,

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Nuclear waste management is an interdisciplinary issue requiring a variety of approaches and a holistic understanding of the field. In this edited volume, Klaus-Jürgen Röhlig brings together leading researchers from geoengineering, nuclear physics, materials science and the social sciences to provide an overview of the terminology and concepts required to engage in the field.


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Water and Wastewater Management
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ISBN: 9783030952884 Year: 2022 Publisher: Cham Springer International Publishing :Imprint: Springer

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Water and wastewater management : global problems and measures
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ISBN: 3030952878 3030952886 Year: 2022 Publisher: Cham, Switzerland : Springer,

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Recent advances in distillery waste management for environmental safety
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ISBN: 1003029884 1003029884 1000421554 Year: 2022 Publisher: Boca Raton, Florida ; London ; New York : CRC Press,

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"The safe disposal of distillery waste into the environment, as well as their recycling and management, has become a hot topic in developing countries including India. This gross misconduct creates serious environmental and public health hazards. Thus, adequate management of waste has become a priority of environmental engineers and biotechnologists for environmental safety and sustainable development. Recent Advances in Distillery Waste Management for Environmental Safety covers specific, advanced, and updated knowledge on various developed individual and/or innovative, green, and emerging plant-microbes based technologies uses for management and recycling of distillery waste in an environmentally-friendly and cost-effective manner for sustainable development. Moreover, this book provides comprehensive state-of-the-art information on the physicochemical properties, chemical composition, and environmental risks associated with distillery waste. Moreover, the book also discusses various existing methods and technologies, up-gradation of existing technologies, the advent of newer technologies for the treatment, processing, and disposal of distillery waste, and focus areas for further development. This broad and unique coverage allows treatment firms and regulatory authorities to determine and develop appropriate treatment strategies for site-specific problems of distillery waste remediation. Features: Provides practical solutions for the treatment and recycling of distillery waste illustrated by specific case studies. Focuses on recent industry practices and preferences, along with newer approaches for wastewater treatment. An instructive compilation of treatment approaches, including advanced physicochemical and integrated/sequential methods. Covers biocomposting of sludge and effluent and biodiesel production from distillery waste for recycling and sustainable development. Emphasizing the relationship of metagenomics with organometallic compounds of distillery waste. Discusses the role of ligninolytic enzymes and bioreactors in distillery wastewater treatment. This book serves an accessible reference to assist, engineering consultants, industrial waste managers, policy-makers, environmental engineers, government implementers, researchers, scientists, and a wide range of professionals responsible for regulating, monitoring, and designing industrial wastewater treatment techniques, who aspire to work on the reclamation, recycling, and management of distillery waste or wastewater pollutants for environmental safety and sustainable development"--


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Construction and demolition waste management in Australia
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ISBN: 9781685074456 Year: 2022 Publisher: New York : Nova Science Publishers, Inc.,

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"Due to the increase in construction activities worldwide and in Australia, the generation rate of construction and demolition (C&D) waste has significantly grown in recent years. In Australia, construction projects (i.e. housing, buildings and transport infrastructure) are being delivered at an unprecedented rate. Between 2009 and 2019, the annual average growth rate in this industry was 3.33%. The industry is identified as the fourth largest contributor to Australia's growth domestic product (GDP). Unsurprisingly, this quantity of construction brings about a considerable quantity of waste. In 2019, the construction industry generated 27 million tons (or megatonnes) of waste from construction and demolition activities in Australia. Given the size of the construction market and waste generated in this industry, any change will create huge impacts. The adequate management of such a quantity has now become a priority for policymakers around the world. A holistic national approach is required to handle the growing issue of C&D waste management in Australia. Therefore, this book identifies discrepancies and inconsistencies related to C&D waste management in different Australian jurisdictions. The included chapters discuss regulations governing the C&D waste stream, discrepancies in defining waste, Australia's place in the worldwide C&D waste market, opportunities for reducing C&D waste, and the perception among C&D waste stakeholders on relevant issues and proposed reforms, among other topics. Overall, the book contributes to the Australian understanding of effective management of C&D waste by providing a clear picture of C&D waste state of play. The book can benefit policymakers and whoever is interested in C&D waste to better plan for innovative and efficient C&D waste resulting in the further diversion of C&D waste from landfills"--

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