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内容大纲
该书以多溴联苯醚污染控制为主线,归纳了目前多溴联苯醚的污染现状以及控制策略,总结了多溴联苯醚污染处理技术的原理与应用,报道了围绕多溴联苯醚污染控制开展的多溴联苯醚热解污染产生过程研究、基于零价铁的多溴联苯醚的还原处理研究、多溴联苯醚的直接光降解机理研究、多溴联苯醚的光催化处理技术研究、多溴联苯醚的微生物降解研究、多溴联苯醚的化学氧化研究、表面活性剂洗脱液中多溴联苯醚的处理研究等开展的大量应用基础性研究工作,重点介绍了多种方法对于多溴联苯醚的处理的效果以及多溴联苯醚在处理过程中的转化机制。 -
作者介绍
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目录
Preface
Foreword
Chapter 1 Occurrence and Pollution Control of PBDEs
1.1 Occurrence of PBDEs
1.1.1 Physiochemical properties of PBDEs
1.1.2 Legislation of PBDEs
1.1.3 History of PBDEs production
1.1.4 The release of PBDEs
1.1.5 Toxicity of PBDEs
1.2 PBDE pollution in the environment
1.2.1 Air pollution
1.2.2 Water pollution
1.2.3 Soil pollution
1.2.4 Sediment pollution
1.2.5 Biological uptake
1.2.6 Human exposure
1.3 PBDE prevention and control techniques
1.3.1 Chemical methods
1.3.2 Biological methods
1.4 Main points of interest in this book
1.4.1 The mechanism of degradation of PBDEs by pyrolysis
1.4.2 The mechanism of degradation of PBDEs by chemical and photochemical methods
1.4.3 The mechanism of degradation of PBDEs by selected bacteria
1.4.4 The application of physiochemical methods for degradation of PBDEs in surfactant solution
Chapter 2 Transformation of PBDEs Under High Temperature
2.1 Formation of brominated products from PBDE pyrolysis
2.1.1 Effect of pyrolysis temperature
2.1.2 Formation mechanisms of PBDFs
2.1.3 Formation mechanisms of PBDDs
2.1.4 Formation of polybromobenzenes
2.2 Formation of chloro-bromo-mixed products from PBDE pyrolysis
2.2.1 Formation of PBCDEs
2.2.2 Formation of PBCDD/Fs
2.2.3 Formation of other products
2.2.4 Formation mechanism of PBCDD/Fs
Chapter 3 Degradation of PBDEs by Single Zero-valent Metals and Bimetals
3.1 Degradation of PBDEs by zero-valent zinc
3.1.1 Characterization of zinc powder
3.1.2 Debromination of BDE-47 by zinc
3.1.3 Effect of pH on the debromination of BDE-47 by zinc
3.1.4 Relationships between molecular properties and reaction rate constants
3.1.5 The debromination pathway of BDE-47 by zinc
3.1.6 Using the SOMO of PBDE anions to predict debromination pathways by e-transfer mechanism
3.2 Debromination of PBDEs by n-ZVI and n-ZVI/Pd particles
3.2.1 Debromination pathways of PBDEs by n-ZVI and n-ZVI/Pd particles
3.2.2 Debromination of PBDEs in a palladium-H2 system
3.2.3 Predicting the dominant debromination pathway (e-transfer or H-transfer) of PBDEs
3.2.4 Explanation for why Mulliken charges can be used to predict debromination pathways
3.3 Debromination of PBDEs in various iron-based bimetallic systems
3.3.1 Characterization of different bimetallic particles
3.3.2 Influence of metal catalysts on reaction rates for BDE-47 reduction
3.3.3 Debromination of BDE-47 in metal-H2 systems
3.3.4 Debromination pathways of BDE-47 in various bimetallic systems
3.3.5 Debromination pathways of BDE-47 in NaBH?-metal systems
3.4 Debromination of PBDEs by zero-valent zinc (ZVZ) and ZVZ-based bimetal (Pd/ZVZ)
3.4.1 Characterization of different particles
3.4.2 Influence of loading rate of catalysts on reaction rates for BDE-47 debromination
3.4.3 The degraded reaction of lightly substituted BDEs in ZVZ and Pd/ZVZ systems
3.4.4 Debromination pathway of BDEs in the two materials
3.4.5 The different influence on reaction rate of BDE-47 with varied pH in ZVZ and Pd/ZVZ systems
Chapter 4 Degradation of PBDEs by UV Light
4.1 Debromination behavior of PBDEs by UV light
4.1.1 Degradation kinetics of BDE isomers in pure methanol
4.1.2 Debromination pathways of BDE-47 and using Mulliken charges to predict them
4.1.3 Effect of water content in the degradation of PBDEs
4.1.4 Debromination pathways of BDE-47 in different organic solvents
4.2 Generation of PBDFs during photolysis of PBDEs under UV light
4.2.1 Degradation of PBDEs without an ortho-bromine substituent
4.2.2 Degradation of BDEs with one ortho-bromine substituent
4.2.3 Degradation of BDEs with two ortho-bromine substituents
4.2.4 The photochemical reaction of PBDFs
4.2.5 The effect of solvents on the formation of PBDFs during the photolysis of PBDEs
4.2.6 Insights into the mechanism of formation of PBDFs from the photolysis of PBDEs using computational chemistry
4.3 Photodegradation of decabrominated diphenyl ether in soil suspensions
4.3.1 BDE-209 photodegradation in soil suspensions
4.3.2 The effect of HA on BDE-209 photodegradation in soil suspensions
4.3.3 The effects of metal ions on BDE-209 photodegradation in soil suspensions
4.3.4 The products of BDE-209 degradation in soil suspensions
Chapter 5 Degradation Behavior of PBDEs by Metal-doped TiO2
5.1 Preparation and characterization of four metal-doped TiO2 nanocomposites
5.2 Mechanism of photocatalytic debromination of BDE-47 on TiO2 and metal-doped TiO2
5.2.1 Enhanced photocatalytic debromination of BDE-47 on TiO2 and metal-doped TiO2
5.2.2 Mechanistic discussion of debromination co-catalyzed by different metals
5.3 Environmental factors in the debromination of BDE-47 on metal-doped TiO2
5.3.1 The effect of oxygen on the debromination of BDE-47 on metal-doped TiO2
5.3.2 The discussion of the merits and demerits of each metal-doped TiO2
5.4 Photocatalytic degradation of other brominated flame retardants
Chapter 6 Microbial Degradation of PBDEs
6.1 Microbial screening and identification
6.1.1 Microbial screening
6.1.2 Identification of strain GYP4
6.1.3 Biodegradation of BDE-47
6.2 Rapid biodegradation of BDE-47 by strain GYP4
6.2.1 Effects of environmental factors
6.2.2 Probable metabolism pathways
6.2.3 The “viable but non-culturable” state of frozen GYP4
Chapter 7 Degradation of PBDEs by Advanced Oxidation Process—Feasibility of Thermally Activated Persulfate Method
7.1 Degradation kinetics of PBDE in TAP system
7.1.1 Effect of acetonitrile
7.1.2 Effect of PDS dosage and activation temperature
7.1.3 Effect of initial pH
7.2 Identification of reactive species
7.3 Identification of oxidation products
7.4 Oxidation mechanisms of BDE-47 in the TAP system
7.4.1 BDE-47 reactive site prediction
7.4.2 Possible reaction mechanisms of hydroxyl radical
7.4.3 Possible reaction mechanisms of sulfate radical
7.4.4 Possible single e-transfer reaction mechanisms
7.5 Degradation of other PBDEs in the TAP system
Chapter 8 Degradation of PBDEs in Surfactant Solutions
8.1 ZVI degradation of PBDEs in surfactant solutions
8.1.1 Preparation and characterization of Ag/Fe bimetals
8.1.2 Effect of different surfactants on BDE-47 degradation
8.1.3 Adsorption of the TX-100 onto n-Ag/Fe particles
8.1.4 Effects of different concentrations of TX-100 on BDE-47 degradation
8.1.5 PBDE product degradation by Ag/Fe
8.2 UV degradation of PBDEs in surfactant solutions
8.2.1 PBDE photodegradation in surfactant solutions
8.2.2 Effects of pH on PBDE photodegradation
8.2.3 The PBDE photodegradation products in surfactant micelles
8.2.4 The loss and products of surfactant solutions during UV treatment
8.2.5 The reuse of photo-treated surfactant solutions
8.2.6 Toxicity assessment of photo-treatment surfactant solutions
8.3 Effect of nitrate on the photo-treatment of PBDEs in surfactant solution
8.3.1 Effects of nitrate on BDE-15 photodegradation and loss of TX-100
8.3.2 Effects of nitrite
8.3.3 Effects of TX-100 on nitrate transformation
8.3.4 Effects of pH and dissolved oxygen
8.3.5 Effects of nitrate on the products of BDE-15
8.3.6 Effects of nitrate on products of TX-100
8.3.7 Toxicity assessment
8.4 Effect of ferric ion on the photo-treatment of PBDEs in surfactant solution
8.4.1 Effects of ferric iron on the photodegradation of BDE-47 and loss of Brij 35
8.4.2 Effects of Brij 35 on BDE-47 degradation and ferric ion transformation
8.4.3 Effects of pH, ferric species, and dissolved oxygen
8.4.4 The photoproducts of BDE-47 in Brij 35 containing Fe3+ during UV irradiation
8.4.5 The photoproducts of Brij 35
8.4.6 The mechanism of BDE-47 photodegradation in Fe3+-Brij 35 solution
8.5 Ag/TiO2 photocatalytic degradation of PBDEs in surfactant solution
8.5.1 Preparation and characterization of Ag/TiO2
8.5.2 TX-100 and BDE-47 adsorption on Ag/TiO2
8.5.3 Photocatalytic degradation of BDE-47 by Ag/TiO2 in TX-100 solution
8.5.4 Effects of TX-100 on BDE-47 photodegradation
8.5.5 The photoproducts of BDE-47 and the mechanism of Ag/TiO2 photolysis
8.5.6 The photostability of the photocatalyst and the selection of additives
8.6 Selective removal of PBDEs from soil washing effluent using
8.6.1 Characterization of imprinted adsorbents
8.6.2 Adsorption of PBDEs on MIPS from surfactants
8.6.3 Selective removal of PBDEs
8.6.4 Effect of temperature and pH
8.6.5 Adsorption mechanism
8.6.6 Application of magnetic molecularly imprinted polymers
References
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