Photocatalytic Degradation of 4-chlorophenol Over TiO2 Nanofibers PDF Download
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Author: Saengkae Pairattanakorn
Publisher:
ISBN: 9789749937747
Category :
Languages : en
Pages : 134
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Book Description
Author: Saengkae Pairattanakorn
Publisher:
ISBN: 9789749937747
Category :
Languages : en
Pages : 134
Get Book Here
Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 12
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Book Description
To gain useful insight into the mechanistic details of the TiO2 photocatalyzed oxidation of halogenated organic compounds, the intermediates produced during the photocatalytic degradation of 4-chlorophenol (4-CP) have been compared with those produced during [gamma]-radiolysis. Photocatalytic degradation of 4-CP produces aromatic intermediates consistent with [gamma]-radiolytic hydroxyl radical oxidation, but the distribution of the intermediates differs. The surface area of TiO2 has an important influence on the intermediate distribution suggesting that the presence of surface influences the reaction pathway. The course of photocatalytic transformation of 4-CP involves a combination of hydroxyl radical oxidation, direct electron transfer and surface chemical reactions contributing to the disappearance of 4-CP and its reaction intermediates in TiO2 slurries.
Author: M. Schiavello
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 218
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Book Description
Photocatalysis is a reaction which is accelerated by light while a heterogeneous reaction consists of two phases ( a solid and a liquid for example). Heterogeneous Photocatalysis is a fast developing science which to date has not been fully detailed in a monograph. This title discusses the basic principles of heterogeneous photocatalysis and describes the bulk and surface properties of semiconductors. Applications of various types of photoreactions are described and the problems related to the modeling and design of photoreactors are covered.
Author: Uma Shanker
Publisher: Springer Nature
ISBN: 3031161017
Category : Technology & Engineering
Languages : en
Pages : 2759
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Book Description
The Handbook of Green and Sustainable Nanotechnology presents sustainable and green technologies for the development of products and processes which are environmental friendly, economically sustainable, safe, energy-efficient, decrease waste and diminish greenhouse gas emissions. It provides the overall spectrum of fundamentals, development and applications of sustainable and green technologies. Topics such as legal, health and safety issues are discussed as well. The book elucidates paths to real time utilization of green and sustainable nanotechnology at commercial scale.
Author: Mu. Naushad
Publisher: Springer
ISBN: 3030156087
Category : Science
Languages : en
Pages : 299
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Book Description
This book presents advanced photocatalytic technologies for wastewater treatment. The fabrication, surface modification, roles and mechanisms of green catalysts are detailed. The catalysts include nanostructured catalysts, semiconductors, metal and non-metal doped catalysts, surface plasmon materials, graphene oxide-based materials, polymer-based composite materials, heterogenous type I and type II catalysts.
Author: John R. Bedford
Publisher:
ISBN:
Category :
Languages : en
Pages : 210
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Book Description
Author: Pierre Pichat
Publisher: John Wiley & Sons
ISBN: 3527645411
Category : Technology & Engineering
Languages : en
Pages : 436
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Book Description
Water is one of the essential resources on our planet. Therefore, fresh water and the recycling of waste-water are very important topics in various areas. Energy-saving green technologies are a demand in this area of research. Photocatalysis comprises a class of reactions which use a catalyst activated by light. These reactions include the decomposition of organic compounds into environmental friendly water and carbon dioxide, leading to interesting properties of surfaces covered with a photocatalyst: they protect e.g. against incrustation of fouling matter, they are self-cleaning, antibacterial and viricidal. Therefore, they are attractive candidates for environmental applications such as water purification and waste-water treatment. This book introduces scientists and engineers to the fundamentals of photocatalysis and enlightens the potentials of photocatalysis to increase water quality. Also, strategies to improve the photocatalytic efficacy are pointed out: synthesis of better photocatalysts, combination of photocatalysis with other technologies, and the proper design of photocatalytic reactors. Implementation of applications and a chapter on design approaches for photocatalytic reactors round off the book. 'Photocatalysis and Water Purification' is part of the series on Materials for Sustainable Energy and Development edited by Prof. G.Q. Max Lu. The series covers advances in materials science and innovation for renewable energy, clean use of fossil energy, and greenhouse gas mitigation and associated environmental technologies.
Author: Zhaojun Wang
Publisher: Springer Nature
ISBN: 9811395209
Category : Technology & Engineering
Languages : en
Pages : 1419
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Book Description
This book presents selected papers from the 11th International Symposium on Heating, Ventilation and Air Conditioning (ISHVAC 2019), with a focus on HVAC techniques for improving indoor environment quality and the energy efficiency of heating and cooling systems. Presenting inspiration for implementing more efficient and safer HVAC systems, the book is a valuable resource for academic researchers, engineers in industry, and government regulators.
Author: Mohamed A. Barakat
Publisher: Springer
ISBN: 3319242717
Category : Science
Languages : en
Pages : 39
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Book Description
In this brief, a comprehensive review of the UV/visible-TiO2 photocatalytic oxidation process is presented with an insight into the mechanisms involved, the role of titanium dioxide as a catalyst, irradiation sources, types of reactors, and a comparison between various modes of TiO2 application. An overview of the development and enhancement of the activity of TiO2 nanoparticles in photocatalysis is presented. The topics covered include a detailed look at the unique properties of the TiO2 nanoparticles and their relationship to photocatalytic properties. The utilization of the TiO2 nanoparticles as photocatalysts, in the non-doped and doped forms is also reviewed. Finally, the use of modified TiO2 nanoparticles has made a significant contribution in providing definitive mechanistic information regarding the visible light photocatalytic processes.
Author: Nandita Dasgupta
Publisher: Springer Nature
ISBN: 3030730107
Category : Technology & Engineering
Languages : en
Pages : 370
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Book Description
This book presents comprehensive reviews on the latest developments of nanotechnologies to detect and remove pollutants in water, air and food. Polymer nanocomposites, nanoparticles from microbes and the application of nanotechnologies for desalination and agriculture are also discussed. Pollution of water and air by contaminants and diseases is a major health issue leading globally to millions of deaths yearly according to the World Health Organization. Such issue requires advanced methods to clean environmental media.
