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Books > Professional & Technical > Environmental engineering & technology > Sanitary & municipal engineering > Waste treatment & disposal > General
This book describes how psychiatric pharmaceuticals, namely antidepressants, anxiolytics, sedatives and hypnotics are among the most prescribed active substances due to the higher occurrence of psychiatric disorders throughout the world. It goes on to demonstrate how patients' excretion of the active compounds along with several metabolites is considered to be the main pathway for the occurrence of these emerging pollutants in wastewater treatment plant effluents, surface and drinking water, soils and sediments. Further chapters are devoted to an exploration of these pharmaceuticals' high persistence, toxicity and intrinsic biological activity, which can affect the nervous and endocrine systems of terrestrial and aquatic non-target organisms, the dissemination of these compounds in environment matrices and the growing number of associated problems and concerns. The remainder of the book describes how conventional wastewater treatment processes are generally inefficient when it comes to the removal of this type of pollutants, giving rise to the demand for implementing alternative or complementary treatment technologies. Extensive research studies on the efficiency of the degradation and/or removal of these pollutants are summarized, and adsorption, membrane and advanced oxidation processes (AOP) are proposed. Given its content and structure, the book offers a concise summary of the most significant findings on psychiatric pharmaceutical removal in wastewater.
Contamination of aqueous environments by hazardous chemical compounds is the direct cause of the decline of safe clean water supply throughout the globe. The use of unconventional water sources such as treated wastewater will be a new norm. Emerging nanotechnological innovations have great potential for wastewater remediation processes. Applications that use smart nanomaterials of inorganic and organic origin improve treatment efficiency and lower energy requirements. This book describes the synthesis, fabrication, and application of advanced nanomaterials in water treatment processes; their adsorption, transformation into low toxic forms, or degradation phenomena, and the adsorption and separation of hazardous dyes, organic pollutants, heavy metals and metalloids from aqueous solutions. It explains the use of different categories of nanomaterials for various pollutants and enhances understanding of nanotechnology-based water remediation to make it less toxic and reusable.
Dross is waste: solid impurities that form on the surface of the smelting pot. While most is thrown away, some is reusable or recyclable. Hence 'DrossScape', a term conceived by land economist Alan Berger. Working off Berger's theories, this book explores the concept of waste-culture, where entire cities are built atop of mountains of their own refuse. Photographs depict wastelands as places removed from the urban sprawl, as well as islands within it - hidden away or in plain sight. But in all cases, these dilapidated landscapes have latent potential. Dross City works towards a new urban metabolism. It includes projects and research that interrogate the current and future city, its geographical structure, infrastructures, and forms of settlements. It looks at recycling strategies and multi-scalar design approaches, with the intention of encouraging interest in the DrossScape.
This publication suggests how Pakistan could strengthen solid waste management and in doing so reduce its greenhouse gas (GHG) emissions. It provides guidance on improving and expanding waste collection and disposal services for municipal, industrial, electronic, and hospital waste. It outlines waste management options and key considerations in setting up a waste management system. The publication also discusses consolidating data on the waste generated, calculating historical emissions from the waste sector and projections, and establishing an institutional framework.
"One smart book...delving deep into the history and implications
of a daily act that dare not speak its name."--"Newsweek
Ecosystem services provide benefits to humans, including--provisioning services (food, water, timber, fibre and genetic resources), regulating services (regulation of climate, floods, diseases and water quality), cultural services (recreational, aesthetic and spiritual), and support services (soil formation, pollination and nutrient cycling). Promoting the concept of ecosystem services reveals the potential of its contribution to environmental wellbeing for conservation and sustainability. Humans, as users of the provided services, benefit from ecosystem services, fostering dependency on nature. The use of ecosystem services may lead to unintended environmental consequences throughout the supply chain. Hence, this book will focus on the services provided for human wellbeing and a multilayer association with human problems worldwide when supply chains are disturbed. Carbon emissions from city areas are responsible for 75% of world carbon dioxide emissions, making them a significant contributor to climate change. Urban populations are early responders to the impacts of climate change. In addition, ecosystem services are influenced by human activities. Domestic and industrial water pollution has led to the contamination of drinking water in many parts of the world. Waste management, such as solid waste management and biomedical waste management, is considered crucial for balancing ecosystem services as a consequence of human activities. In addition, air pollution has become part of ecosystem service disturbance, as it has become a worldwide problem and a major threat to the surrounding environment and human health. The major sources of air pollutants are mobile sources and stationary and transboundary emissions. Human activities, such as mining and exploration, have brought naturally occurring radioactive elements, such as gamma rays, which are present at relatively low concentrations in many geologic formations and earth materials, to the surface and have become a threat to human health. Among others, loud noise exposure in occupational settings has been found to be hazardous to hearing organs. Environmental stressors that lead to ecosystem changes have been shown to trigger noncommunicable diseases, such as cardiovascular disease and cancer. The emergence and re-emergence of vector-borne diseases, such as Zika, Dengue and Malaria, are rapidly influenced by changes in ecosystem services. Many studies have been conducted to develop effective vaccines to combat such diseases. New drugs have been developed from natural resources with the aim of combating drug resistance, enhancing efficacy and reducing toxicity. In addition, a health education programme (HEP) is also being developed to improve the quality of life of patients. A broad spectrum of research is reported in this book covering environmental monitoring, modelling, molecular research, natural product discovery and health education programmes, showing the importance of support from ecosystem services that must be preserved for future wellbeing.
This publication guides users on applying the Screening Tool for Energy Evaluation of Projects (STEEP), which is designed to support efforts to improve energy use efficiency in water and wastewater treatment systems. The publication provides a detailed overview of STEEP and explains how to navigate the tool's various interfaces when conducting energy use assessments of proposed or existing water supply and wastewater treatment systems. Since 2017, STEEP has been under continuous development based on pilot assessments carried out in various projects financed by the Asian Development Bank. STEEP is available online and can be downloaded for free.
A central concern that has remained relevant in recent years has been the management of waste and pollution. Improper disposal methods such as open-air burning and unsafe recycling have led to significant public and environmental health issues including respiratory disorders, resource depletion, and infant mortality. Adopting new waste management techniques is a necessity in order to preserve the health of the global community and ecosystem. Waste Management Techniques for Improved Environmental and Public Health provides innovative insights into the advancing methods and technologies of reducing pollution and promoting sustainable development. The content within this publication examines ecological technologies, risk assessment, and green operation. It is designed for ecologists, biologists, researchers, enterprises, academicians, policymakers, scientists, environmental engineers, and students seeking current research on developing theories and techniques within waste moderation and environmental protection.
Pass your wastewater certification exam the first time! This study guide is specially developed to give wastewater operators practice answering questions that are similar in format and content to the questions that appear on certification exams. Sample questions are provided for grades 1, 2, 3, and 4 wastewater operator certification exams, so you can study the questions that are specific to your grade level. Answers and references are included for questions. Math questions include the method to solve. AWWA's most popular operator training aid, this study guide is specially designed to give water operators and students practice in answering questions that are similar in format and content to the questions that appear on state certification exams. Sample questions and answers for both wastewater treatment and collections systems are included.
This book provides authoritative information, techniques and data necessary for the appropriate understanding of biomass and biowaste (understood as contaminated biomass) composition and behaviour while processed in various conditions and technologies. Numerous techniques for characterizing biomass, biowaste and by-product streams exist in literature. However, there lacks a reference book where these techniques are gathered in a single book, although such information is in increasingly high demand. This handbook provides a wealth of characterization methods, protocols, standards, databases and references relevant to various biomass, biowaste materials and by-products. It specifically addresses sampling and preconditioning methods, extraction techniques of elements and molecules, as well as biochemical, mechanical and thermal characterization methods. Furthermore, advanced and innovative methods under development are highlighted. The characterization will allow the analysis, identification and quantification of molecules and species including biomass feedstocks and related conversion products. The characterization will also provide insight into physical, mechanical and thermal properties of biomass and biowaste as well as the resulting by-products.
Comprises the proceedings of a conference on geotechnical waste management and contamination. Coverage ranges from remediation of contaminated sites to design and management of landfills. There are also papers dealing with case histories and research. Contents: Groundwater contamination flow; Regulatory, & non regulatory controls for contaminated sites; Remediation of contaminated sites; Ground modification techniques in waste management;
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