Nanotechnology has progressed to the point where it can mimic natural systems such as porous membranes or the structure of leaves. Technological advances have resulted in a boom in the use of nanotechnology in different areas of engineering, including water purification systems. This book explores nanomaterials used for removing various textile dyes from water. It compiles 8 chapters that discuss the materials and nano systems used in these processes. This reference is designed to provide answers to common questions for scholars, academicians and technologists about fundamentals of nanoscience and nanomaterial induced removal of textile dyes. College students (physics, chemistry and materials science, engineering) will be able to easily understand the subject matter. Key Features: - Covers the basics of nano systems, from synthesis to applications - Explains the basics of nanomaterial behavior and characterization - Describes the classifications of dyes - Explains the interactions nanomaterials with different dyes - Explains the reaction mechanisms of photocatalysis and the kinetics behind adsorption - two important methods for removing dyes from water - Discusses nano systems that are useful for textile dye removal from water. 3 types of nano systems are included: carbon based, oxide based, polymer based or nitride based systems - Includes references for further reading - Simple presentation for easy and quick understanding of the subject.

Photocatalytic Degradation of Dyes: Current Trends and Future Perspectives covers in detail current trends and future aspects on photocatalytic degradation of organic dyes using novel photocatalytic techniques such as metallic nanoparticles, heterogeneous and hybrid systems using visible light irradiation. It highlights the most recent scientific and technological achievements and importance of degradation of dyes in the textile effluent by simple environmental friendly approaches using eco-friendly catalysts. It is of assistance to everyone interested in bioremediation of effluents: professionals, consulting engineers, academicians, and research scholars as well. - Describes the basic photocatalytic techniques and their application in wastewater treatment - Covers the key reactive species accounting for the photodegradation of different dyes, providing helpful guidelines that could be applied to foster the development of efficient photodegradation systems - Includes Description of a wide variety of catalysts and their application in degradation of dyes in the effluent of variable matrices (such as textile effluent, pharmaceutical industry effluent, food industry effluent) - Presents the application of doped semiconductors in the degradation of dyes, hybrid systems and their importance in the dye degradation - Describes the biological synthesis of metallic nanostructures and their use in dye degradation using visible range of light irradiation - Discusses the mechanistic aspect of the dye degradation using photo catalysts

The book compiles scientific articles describing advances in nanomaterial synthesis and their application in water remediation. The publications treat diverse problems such as dye degradation, heavy metal ion, as well as radioactive element capture and sequestration. There are 10 original research articles and one review article. The latter proposes graphene/CNT and Prussian blue nanocomposites for radioactive 137-cesium extraction from aqueous media. All reports thoroughly characterize the nanomaterials post-synthesis and describe their catalytic, photocatalytic, or ion exchange activities in contaminated water. The dyes studied in the collection are azo dyes, i.e. methylene blue and orange, rhodamine B, phenolic dyes viz. bromophenol blue, and other dyes with sulfonyl groups. Extraction of radioactive elements, including cationic 137Cs+ and anionic 125I−, is also investigated. The omnipresence of ZnO nanoparticles in everyday products and their effects in wastewater are also evaluated. Layered double hydroxide are capable of capturing Ag ions, which then has a catalytic effect on dye degradation. The nanomaterials considered are varied, viz., graphene, CNT, Prussian blue, nanoporous carbon, layered double hydroxides, magnetite, ferrites, organic powders, polymer membranes, bacteria, and inorganic nanomaterials such as MnO and Ag. The book targets an interdisciplinary readership.

Nanotechnology has attracted attention of textile and polymer scientists and has been playing extraordinary role over the past few decades in the functional finishing of different textile materials. Nanoparticles due to their diverse functions have not only imparted flame retardant, UV-blocking, water repellent, self-cleaning, and antimicrobial properties to the textiles, but also have greater affinity for fabrics leading to an increase in durability of the functions. This book emphasizes recent approaches and strategies that are currently at operation to functionalize both natural and synthetic textile materials using diverse nanoparticles and their composites with polymers. The book concludes by paying attention towards removal of toxic chemicals using state-of-the-art nano-adsorbents. Main Topics 1. Textile dyeing using metallic nanoparticles 2. Metal oxide nanoparticles for multifunctional finishing 3. New approaches to produce UV protective textiles 4. Polymeric nanocomposites for antimicrobial finishing 5. Self-cleaning of textiles using advanced nanoparticles 6. Silver nanoparticles in dyeing and finishing applications 7. Zinc Oxide – prospects in textile industry 8. Titanium dioxide: Next generation photo-catalysts 9. Textile effluent using chitosan nanocomposites 10. Recent advances in remediation of textile effluents using nano-catalysts

In this second volume, various materials such as Magnetic-based biocomposites, wheat bran/straw-based biomaterials, peel-based biomaterials, luffa Based Biomaterials, composite polymeric membranes, rice husk, hydroxyapatite etc for treating textile waste water are highlighted. One of the major pollutants in the textiles and fashion sector 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 the 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 textile waste treatment.

This book presents a complete state of the art for different types of nanomaterial, their environmental fate, and their use in textile waste remediation. Nano-engineered materials including nanoparticles, nanofibers, nanotubes have been used extensively for a variety of applications. Environmental concerns have been noted mainly due to the discharge of textile waste. Nanotechnology is fast growing on research and bringing sustainable solution in minimizing the waste. This also minimizes the risk of exposure and health hazards. With the development of industry, environmental pollution and energy shortage have raised awareness of a potential global crisis. So, it is urgent to develop a simple and effective method to address these current issues. Nano-engineered materials can be better solution in finding solution of environmental sustainability more specific to the textile waste remediation. Nano-engineered materials have emerged as pioneering photocatalysts and account for most of the current research in this area. This can provide large surface areas, diverse morphologies, abundant surface states, and easy device modeling, all of which are properties beneficial to photodegradation. Furthermore, the stability and cost of nano-engineered materials are critical factors. Therefore, it is a challenge of great importance to identify and design nano-engineered materials that are efficient, stable, and abundant for the remediation of textile waste.​

p="" This monograph focuses on recent development of nanomaterials and nanocomposites for pollution measurement and their control in water, air, and soil. The contents incorporate carbon-based, metal-based, and metal-organic framework based nanomaterials and nanocomposites for emerging contaminants (pharmaceuticals and personal care products) degradation, disinfection, and other traditional pollutants degradation and removal. The book also offers updated literature for researchers and academicians working in the field of environmental remediation by nanomaterials. Readers will learn about different metal and non-metal based nanoparticles for environmental remediation. It will be a useful guide for professionals, and post-graduate students involved in material science & engineering, chemical engineering and environmental nanotechnology research. ^

A holistic approach covering a wide range of environmental microbial applications along with current and future trends In Microbial Biotechnology: Role in Ecological Sustainability and Research, a team of distinguished researchers delivers an authoritative overview of the role of microbial biotechnology in the pursuit of environmental and ecological sustainability. The book provides readers with compelling presentations of microbial technology, including its applications in the removal of environmental pollutants, and sustainable agriculture using microbial biocontrol agents or bio-fertilizers. Readers will also be able to explore the microbial reduction of greenhouse gases and a wide range of other cutting-edge applications, including the removal of various toxic environmental contaminants, such as antibiotics, pesticides, dyes, and heavy metals. Microbial Biotechnology provides: A thorough introduction to microorganisms, their metabolic engineering, the human microbiome, and other foundational topics An in-depth exploration of environmental management, including bioremediation through a nexus approach A fulsome treatment of current trends in microbial biotechnology and its role in sustainable production Perfect for professionals in applied microbiology, biotechnology, environmental engineering, green chemistry, and soil science, Microbial Biotechnology: Role in Ecological Sustainability and Research will also earn a place in the libraries of research scholars, scientists, and academicians with an interest in environmental microbiology and ecology.

This book covers the various aspects of nanohybrid materials and its composites for their application in treatment of toxic textiles dyes for cleaning the environment especially water and wastewater. The book first looks into the various preparation and characterization techniques for nanohybrid materials. The replacement of other conventional materials with highly efficient (high surface area, pore size, and chemical and mechanical strength) nanohybrid materials and their application in the field of environmental purification through treatment of textile dyes is highlighted in the later part of the book. The book caters to students, researchers, and scientists who are working in the field of wastewater treatment for incorporating novel materials to remove toxic textile dyes from contaminated wastewater.

Nanostructured Materials for Visible Light Photocatalysis describes the various methods of synthesizing different classes of nanostructured materials that are used as photocatalysts for the degradation of organic hazardous dyes under visible light irradiation. The first three chapters include a general introduction, basic principles, mechanisms, and synthesis methods of nanomaterials for visible light photocatalysis. Recent advances in carbon, bismuth series, transition metal oxide and chalcogenides-based nanostructured materials for visible light photocatalysis are discussed. Later chapters describe the role of phosphides, nitrides, and rare earth-based nanostructured-based materials in visible light photocatalysis, as well as the characteristics, synthesis, and fabrication of photocatalysts. The role of doping, composites, defects, different facets, morphology of nanostructured materials and green technology for efficient dye removal under visible-light irradiation are also explored. Other topics covered include large-scale production of nanostructured materials, the challenges in present photocatalytic research, the future scope of nanostructured materials regarding environmental hazard remediation under visible light, and solar light harvesting. This book is a valuable reference to researchers and enables them to learn more about designing advanced nanostructured materials for wastewater treatment and visible-light irradiation. - Covers all the recent developments of nanostructured photocatalytic materials - Provides a clear overview of the mechanism of visible light photocatalysis and the controlled synthesis of nanostructured materials - Assesses the major challenges of creating visible light photocatalysis systems at the nanoscale