TECHNICAL GUIDELINES FOR ENVIRONMENTALLY SOUND

1,21
MB MANAGEMENT OF PERSISTENT ORGANIC POLLUTANT WASTES

102
stron

397
ID SENES Consultants Limited

2002
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TABLE OF CONTENTS

FOREWORD AND ACKNOWLEDGEMENTSE-1

EXECUTIVE SUMMARYE-2

1.0 INTRODUCTION..1-1

1.1 Project Objectives1-1

1.2 Background.1-2

1.3 Overview of POPs1-4

1.3.1 Intentionally-produced POPs - on Annex A..1-5

1.3.1.1 Aldrin.1-5

1.3.1.2 Chlordane1-6

1.3.1.3 Dieldrin.1-7

1.3.1.4 Endrin1-7

1.3.1.5 Heptachlor..1-8

1.3.1.6 Mirex..1-8

1.3.1.7 Toxaphene1-9

1.3.1.8 HCB – An Industrial Chemical and a Pesticide1-10

1.3.1.9 PCBs1-10

1.3.2 Intentionally Produced POPs on Annex B1-11

1.3.2.1 DDT.1-11

1.3.3 Unintentionally-produced POPs - Industrial Waste By-Products on Annex C.1-12

1.3.3.1 Dioxins and Furans..1-12

1.3.3.2 PCBs and HCB..1-13

1.4 POPs Wastes Generators1-13

1.5 Scope and Methodology1-18

2.0 BASEL AND STOCKHOLM CONVENTIONS2-1

2.1 Basel Convention.2-1

2.2 Stockholm Convention..2-3

2.3 Basel and Stockholm Conventions Interrelationships..2-4

3.0 ENVIRONMENTALLY SOUND MANAGEMENT..3-1

3.1 Environmentally Sound Management (ESM) Principles.3-1

3.2 Steps for Identification and Characterisation.3-2

3.2.1 Identification and Characterisation of Pesticide Wastes..3-2

3.2.2 Identification and Characterisation of PCB Wastes3-4

3.2.3 Identification and Characterisation of HCB Wastes..3-8

3.2.5 Typical Sampling Procedures:3-10

3.3 Handling, Storage and Transportation3-11

3.3.1 Storage of POPs wastes in warehouses/ sheds3-11

3.3.2 Handling and transportation.3-13

33212 - DRAFT – October 2002 i SENES Consultants Limited Technical Guidelines for

Environmentally Sound Management of Persistent Organic Pollutants Wastes

3.3.3 Disposal of Pesticide Containers..3-14

4.0 TECHNOLOGIES FOR THE ENVIRONMENTALLY SOUND MANAGEMENT OF POPS

WASTES4-1

4.1 Background.4-1

4.2 Management of POPs Wastes – Requirements, Concerns, and Criteria for Performance and

Evaluation..4-1

4.3 Technologies for POPs Waste Management..4-3

4.4 Technologies for the Destruction and/or Irreversible Transformation of POPs Wastes 4-5

4.4.1 Incineration.4-6

4.4.1.1 Hazardous Waste Incinerators..4-6

4.4.1.2 Cement Kilns.4-7

4.4.2 Gas Phase Chemical Reduction (GPCR).4-8

4.4.3 Electrochemical Oxidation..4-9

4.4.4 Molten Materials Processes.4-10

4.4.5 Solvated Electron Technology4-12

4.4.6 Plasma Arc Systems.4-14

4.4.7 Chemical Dehalogenation Processes..4-15

4.4.7.1 Base-Catalysed Decomposition.4-15

4.4.7.2 Glycolate/Alkaline Polyethylene Glycol..4-16

4.5 Technologies for the Sequestration of POPs Wastes.4-17

4.5.1 Engineered Landfills4-17

4.5.2 Long Term Storage..4-18

4.5.3 Deep Well Injection.3-18

4.5.4 In-situ Vitrification..4-20

4.6 Pre-treatment Technologies for the Concentration of POPs Wastes.4-21

4.6.1 Electro-osmosis..4-21

4.6.2 Thermal Desorption.4-22

4.6.3 Low-temperature Rinsing and Materials Recovery for electrical equipment contaminated with

PCBs4-22

4.7 Other Technologies..4-23

4.7.1 Bioremediation4-23

4.7.2 Phytoremediation..4-24

Technologies Under Development..4-25

4.8 Selection of Environmentally Sound Disposal Methods..4-25

4.9 Opportunities for 3R’s (reuse, recover and recycle)4-27

5.0 ESTABLISHING APPROPRIATE CONCENTRATION LEVELS5-1

REFERENCES CITED:B-1

BIBLIOGRAPHY..B-7