Pollution Control of Polybrominated Diphenyl Ethers among New Pollutants.

Format:

Book

Author/Creator:

LU, Guining.

Contributor:

WANG, Rui.

HUANG, Kaibo.

DU, Xiaodong.

LIANG, Jiahao.

Dang, Zhi.

Series:

Current Natural Sciences Series

Language:

English

Subjects (All):

Polybrominated diphenyl ethers.

Persistent pollutants.

Physical Description:

1 online resource (432 pages)

Edition:

1st ed.

Place of Publication:

Les Ulis : EDP Sciences, 2025.

Summary:

This book addresses the control of polybrominated diphenyl ethers (PBDEs) in electronic waste. Drawing on the pollution characteristics of PBDEs and related remediation technologies, it systematically summarizes the authors' research on PBDE pollution control.

Contents:

Cover-1

Cover-2

Pollution Control of Polybrominated Diphenyl Ethers Among New Pollutants

Preface

Foreword

Contents

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 NaBH4-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 onmetal-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

6.3 Effects of resuscitation-promoting factor on strain GYP4

6.3.1 Identification of Rpf extraction

6.3.2 Effects of Rpf on BDE-47 biodegradation

6.3.3 Characterization of strain 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 effluentusing molecularly imprinted polymers

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

Page vierge.

Notes:

Description based on publisher supplied metadata and other sources.

Part of the metadata in this record was created by AI, based on the text of the resource.

ISBN:

2-7598-3915-X

9782759839155

OCLC:

1545255984