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Advances of Photocatalysis Science & Engineering ：Environmental pollutants


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Advances of Photocatalysis Science & Engineering ：Environmental pollutants
  • 书号：9787030498298
    作者：耿启金等
  • 外文书名：
  • 装帧：平装
    开本：16
  • 页数：316
    字数：300
    语种：en
  • 出版社：
    出版时间：2017-03-13
  • 所属分类：
  • 定价： ￥158.00元
    售价： ￥124.82元
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目录

  • Contents
    Foreword
    1Progress of Photocatalysis Science and Technology1
    Introduction1
    1.1A brief overview of photocatalysis1
    1.2Photocatalytic reactor design and application in air and waste water treatments12
    1.2.1Photon transfer limitations and overcoming measurements12
    1.2.2Mass transfer limitations and overcoming measurements25
    1.2.3Other engineering problems in reactor design30
    1.3Future prospects31
    2Fundamentals of Photocatalysis33
    Introduction33
    2.1Photocatalysis mechanism33
    2.1.1Reductive mechanism33
    2.1.2Oxidative mechanism34
    2.1.3Combined redox mechanism34
    2.2Photoelectrochemical basis of photocatalysis38
    2.3Time scales for primary processes43
    2.4Trapping of electrons and holes47
    2.5Factors affecting electron transfer efficiency50
    2.6Oxidizing species at the TiO2 surface53
    2.6.1Role of molecular oxygen57
    2.6.2Effect of crystal face61
    2.7Relation between interfacial electron transfer rate constants and driving force63
    2.8Summary65
    3Heterogeneous Photocatalytic Degradation of Waste Water Containing PhenolicCompounds66
    Introduction66
    3.1Fundamentals of photocatalysis of phenols66
    3.1.1Basic mechanism66
    3.1.2Performance of phenol, chlorophenol and nitrophenol in photocatalysis67
    3.1.3Phenol and its intermediates formed and detected68
    3.1.4Pathways of phenol photodegradation72
    3.1.5Kinetic model for phenol photodegradation75
    3.2Review of photocatalytic oxidation of phenolic compounds80
    3.3Influencing factors on photocatalytic oxidation of phenolic compounds87
    3.3.1Substituted group of phenolic compounds87
    3.3.2Structure property and composition of photocatalyst88
    3.3.3Light intensity and wavelength90
    3.3.4Initial concentration of phenolic compounds91
    3.3.5Photocatalyst loading91
    3.3.6Medium pH value94
    3.3.7Co-existing substances95
    3.3.8Oxidants/electron acceptor added96
    3.3.9Calcination temperature of photocatalyst98
    3.3.10Dopant on photocatalyst102
    3.4Conclusion and outlooks106
    4Heterogeneous Photocatalytic Degradation of Waste Water Containing Dyes107
    Introduction107
    4.1Introduction of dyes107
    4.2Experimental techniques applied in photocatalytic degradation of dye108
    4.3Mechanisms and pathways of photocatalysis113
    4.3.1Basic mechanism113
    4.3.2Possible pathways114
    4.3.3Interaction mechanism between dye molecule and inorganic ion119
    4.3.4Basic models of photocatalyses and pathways123
    4.4Operational factors influencing on the photocatalytic degradation of dyes124
    4.4.1Dye concentration124
    4.4.2Catalyst amount125
    4.4.3pH value126
    4.4.4Oxidizing agent128
    4.4.5Light intensity and irradiation time130
    4.4.6Dissolved oxygen130
    4.4.7Doped photocatalyst132
    4.4.8Dopant content150
    4.4.9Calcination temperature of photocatalyst151
    4.4.10Dye structure153
    4.4.11Molecular size of the dyes159
    4.4.12Inorganic ions added160
    4.5Conclusions and prospect172
    5Heterogeneous Photocatalytic Removal of Inorganic Ions From Waste Water173
    Introduction173
    5.1Fundamentals of As photocatalytic removal175
    5.1.1States of inorganic and organic arsenic175
    5.1.2Basic mechanisms of arsenic removal175
    5.2Review of photooxidation of As(Ⅲ) and organic arsenic181
    5.2.1Initial works and recent research advances181
    5.2.2Modified photocatalyst to enhance arsenic removal186
    5.3Influencing factors for photocatalytic oxidation of As191
    5.3.1Co-existing solutes191
    5.3.2pH value194
    5.3.3Photocatalyst size196
    5.4Conclusions and future challenges198
    5.5Review of photocatalytic removal of Cr198
    5.5.1Supported TiO2 200
    5.5.2Doped TiO2 206
    5.6Basic mechanism for photocatalytic removal of Cr(Ⅵ)209
    5.6.1Mechanism of Fe(II)/TiO2 spherical shells209
    5.6.2Synergistic mechanism of photocatalysis and adsorption on simultaneous removal of Cr(Ⅵ) and Cr(Ⅲ) with TiO2/TNTs212
    5.6.3Synergy mechanism of the simultaneous decontamination of phenol and Cr(Ⅵ)216
    5.7Influencing factors for photocatalytic oxidation of Cr217
    5.7.1pH value217
    5.7.2Amount of photocatalyst226
    5.7.3Illumination intensity227
    5.7.4Cr (Ⅵ) concentration228
    5.7.5Electrolyte231
    5.7.6Organic compounds co-existed234
    5.7.7O2 241
    5.8Conclusions and outlook241
    6Heterogeneous Photocatalytic Degradation of Gaseous Pollutants243
    Introduction243
    6.1Photocatalytic oxidation mechanism243
    6.1.1Aliphatic oxidation245
    6.1.2Aromatic oxidation248
    6.2Progress on the PCO of VOCs and NOx, SO2250
    6.3Influencing factors260
    6.3.1Light intensity and light spectrum260
    6.3.2Pollutant concentration263
    6.3.3Humidity271
    6.3.4Temperature274
    6.3.5Oxygen in photocatalytic system276
    6.3.6Additions277
    6.3.7Mass transport280
    6.3.8Photocatalysts281
    6.4Kinetic models283
    6.5Summary and future trends295
    Main References296
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