Technological Solutions for Water Sustainability: Challenges and Prospects: Towards a Water-secure India
This book provides an overview of technical sustainable water management in the Global South, mainly in India, and is structured in five sections:
The current status and challenges for sustainable water management in India
New-age materials for water and wastewater treatment
New technologies for water and wastewater treatment
Sensors for water quality monitoring
Urban water management
Section 1 provides the latest information about the status and challenges for sustainable water management in India from the perspective of water quality, industrial and domestic wastewater treatment, urban water infrastructure and policy and governance towards water security. Section 2 discusses new framework solids for water purification, new materials for arsenic and fluoride removal, nanocomposites for water and wastewater treatment and removal of hazardous materials, and toxicity of these materials. Section 3 presents the new technologies developed for water and wastewater treatment; dealing with pulsed power technology, constructed wetlands, nutrient recovery, low-cost filters and pollution abatement using waste derived materials. Section 4 focuses on sensors, including the development of low-cost colorimetric sensors for eutrophying ions, sensors for conductivity and flow parameters, and multi-analyte assessment for water quality. Finally, Section 5 addresses the issues related to urban water infrastructure, sustainable urban drainage and integrated flood and water scarcity management.
This section also discusses virtual water.
The unique feature of this edited volume is its special perspective on emerging economies in the Global South, such as India. It provides information about adaption of technologies, development of new technologies, and management practices which are context driven and region specific. It also deals with economical and easy to use sensors for large-scale monitoring of water quality and water quantity parameters.
ISBN: 9781789063707 (paperback)
ISBN: 9781789063714 (eBook)
Chapter 9: Bio-polymer-reinforced nanocomposites for water and wastewater treatment: applications and future prospects
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Published:November 2023
M. S. V. Naga Jyothi, P. Amesh, Shihabudheen M. Maliyekkal, 2023. "Bio-polymer-reinforced nanocomposites for water and wastewater treatment: applications and future prospects", Technological Solutions for Water Sustainability: Challenges and Prospects: Towards a Water-secure India, Ligy Philip, Thalappil Pradeep, S. Murty Bhallamudi
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Providing clean water to every citizen is a mammoth task due to the increasing pollution and the shrinking and non-uniform distribution of freshwater reserves. It is affecting and threatening environmental well-being and economic growth. The treatment of water and wastewater is essential, along with other measures, to achieve desired water quality. Nanoscale materials-enabled water and wastewater treatment are attractive due to their enhanced ability to scavenge or degrade pollutants. However, the development of practical and sustainable nanomaterials plays a crucial role in the success of the process. Biopolymer-reinforced nanocomposites (BPNC) are gaining interest as practical adsorbents and catalysts for water and wastewater treatment due to their versatility, the ability to contain a wide range of nanomaterials, abundant availability, eco-friendliness, and low cost. BPNCs can be tailored into various forms, including granules with different shapes and sizes, hydrogels, membranes, and coated substrates. Grafting or immobilization of bio-polymer onto nanomaterials prevents aggregation and shapes functionality, selectivity, physical stability, and controlled pore size. This chapter briefly reviews various BPNCs reported for removing contaminants in water and wastewater. The synthesis protocols, challenges, and the associated prospects of BPNCs in the field application are discussed.