Guide to Cleaner Technologies: Organic Coating Removal

5,28

MB

54

stron

2292

ID

National Risk Management Research Laboratory

2000

rok

CONTENTS

Notice ii

Foreword iii

Acknowledgments iv

Section 1. Overview 1

What is Cleaner Technology? . 1

Coating Removal Applications 1

Pollution Problem 1

Solution 3

What’s In This Guide’ . 4

Other Questions Affecting Investment Decisjons . 4

Who Should Use This Guide? 4

Keywords 5

References 5

Section 2. Available Technologies 6

How To Use the Summary Tables 6

Plastic Media Blasting 12

Wheat Starch Blasting 16

Burnoff Coating Removal . 18

Molten Salt Coating Removal . 20

Sodium Bicarbonate Wet Blasting 22

Carbon Dioxide Pellet Cryogenic Blasting 25

High-Pressure Water Blasting 30

Medium-Pressure Water Blasting . 31

Liquid Nitrogen Cryogenic Blasting 32

Section 3. Emerging Technologies . 36

How To Use the Summary Tables 36

Laser Heating . .38

Flashlamp Heating 39

Ice Crystal Blasting . 39

Section 4. Pollution Prevention Strategy 41

Section 5. Cleaner Technology Transfer Considerations 43

Introduction . 43

Coating Properties 44

Part and Substrate Properties 44

Process Concerns . 44

References 45

Section 6. Information Sources 46