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2007, Handbook of Environmental Engineering Volume 5
In Advanced Physiochemical Treatment Technologies, leading pollution control educators and practicing professionals describe how various combinations of different cutting-edge process systems can be arranged to solve air, noise, and thermal pollution problems. Each chapter discusses in detail the three basic forms in which pollutants and waste are manifested: gas, solid, and liquid. This book includes the following chapters: (1) Pressurized Ozonation; (2) Electrochemical Wastewater Treatment Processes; (3) Irradiation; (4) Nonthermal Plasma Technology; (5) Thermal Distillation and Electrodialysis Technologies for Desalination; (6) Reverse Osmosis Technology for Desalination; (7) Emerging Biosorption, Adsorption, Ion Exchange, and Membrane Technologies; (8) Fine Pore Aeration of Water and Wastewater; (9) Emerging Flotation Technologies; (10) Endocrine Disruptors; (11) Filtration Systems for Small Communities; (12) Chemical Feeding System; (13) Wet Air Oxidation for Waste Treatment; and (14) Lime Calcination.
This chapter first describes the background information about the environmental concern caused by the inadequate release of several different toxic antropic substances in different water bodies. The environmental demand for the pollution-free waste discharge to different receiving water bodies is discussed and the development of integrated treatment process using the advanced chemical oxidation technology in combination with the well-established biochemical processes is introduced as a top challenge in order to provide an adequate pollution control in residuary waters. Ozone application aiming to provide removal of pathogenic agents and degradation of refractory pollutants is presented in order to emphasize its potentialities when compared to other oxidation processes based on application of chlorine and its derivates. An overview concerning the advanced chemical oxidation technologies based on ozonation and other advanced oxidation processes is presented, as well as some guidelines...
2021
The increasing trends in gas pollution, water pollution, and solid waste pollution have an adverse impact on human health and ecological habitats [...]
Water Environment Research, 2019
Water and Wastewater Treatment
The future of renewable energy in Africa is at risk at a time when evidences suggest that African continent needs "just renewable energy transition" more than ever before. Many studies have confirmed the benefits of switching to renewable energy.Studies at a global level indicate that renewable energy is the answer to the challenges associated with climate change and a critical step towards attaining climate neutrality. Despite the availability of such evidence, African nations and Nigeria in particular, have done little to ensure that full adoption of renewable energy transition is sufficient to meet current and future energy needs. The need to switch to renewables is expected to grow at a faster rate in Africa, while the continent's abundance of renewables is underutilized. Reasons behind these untapped renewable resources are multi-faceted. Key factors include inadequate policy implementation, low technological advancement, inadequate skilled manpower, insufficient funds, initial capital costs of installations, lack of sufficient maintenance service and infrastructure as well as pricing instabilities which have placed renewable energy at a disadvantage. Hence, comprehensive strategies are needed to halt and reverse the challenges faced with full adoption of renewable energy transition in Africa, Nigeria in particular. This paper offers a set of policy recommendations to address the challenges facing renewable energy transition in Africa using Nigeria as a case study. I.
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