Handbook of Nonwoven Filter Media

Dedication

Memoriam

Preface

Chapter 1: Introduction to Nonwoven Filter Media

1.1 Introduction

1.2 Filtration and Separation Defined

1.3 Nonwovens Defined

1.4 Definition of Filter Media

1.5 Nonwoven Filter Media Defined

1.6 What Is Not a Nonwoven Filter Medium

1.7 Classification of Nonwovens by Process

1.8 The Challenges of Nonwoven Filter Media

Chapter 2: Filtration Mechanisms and Theory

2.1 Filtration Mechanisms

2.2 Filtration Theory

2.3 Particle Filtration

Chapter 3: Properties of Nonwoven Filter Media

3.1 Characteristics and Properties of Air Laid Webs

3.2 Characteristics and Properties of Dry Laid Webs

3.3 Characteristics and Properties of Spunbonded Webs

3.4 Characteristics and Properties of Melt-Blown Webs

3.5 Characteristics and Properties of Wet Laid Webs

3.6 Electret Filter Media

3.7 Coalescing Media

3.8 Composite Structures

3.9 Adsorptive Media

3.10 Antimicrobial Media

Chapter 4: Raw Materials for Nonwoven Filter Media

4.1 Introduction

4.2 Polymers

4.3 Fibers

4.4 Resins and Binders

4.5 Additives and Finishes

Chapter 5: Processes for Nonwoven Filter Media

5.1 Dry Formed

5.2 Wet Lay Process

5.3 Composite Structures

5.4 The Pleating Process12

Chapter 6: Testing of Nonwoven Filter Media

6.1 Grammage or Basis Weight

6.2 Volatiles and Moisture Content

6.3 Formaldehyde Content

6.4 Caliper or Thickness

6.5 Air Permeability

6.6 Density and Bulk

6.7 Solidity and Porosity

6.8 Pore Size and Pore Structure

6.9 Other Techniques for Measuring Pore Size and Structure

6.10 Strength Properties

6.11 Water Repellency and Water/Moisture Resistance

6.12 Flammability

6.13 Filter Media Filtration Testing

Chapter 7: Liquid Filter Applications

7.1 Introduction to Liquid Filter Applications

7.2 Nonwoven Filter Media for Liquid Filter Applications

7.3 Filters that Use Nonwoven Filter Media

7.4 Testing of Liquid Filters

Chapter 8: Air Filter Applications

8.1 Industrial Air Filtration

8.2 Heat Ventilation and Air Conditioning Systems

8.3 High Efficiency Air Filtration

8.4 Respirators, Gas Masks, and Facemasks

8.5 Vacuum Cleaners

8.6 Air Purifiers

8.7 Air Demisters

Chapter 9: Engine Filtration

9.1 Introduction

9.2 Lube Oil Filtration

9.3 Air Intake Filtration

9.4 Cabin Air Filtration

9.5 Fuel Filtration

9.6 Gas Turbine Air Filters

Chapter 10: Standards for Nonwoven Filter Media

10.1 Standards and Trade Organizations That Have Standards, Registrations, and/or Certifications Related to Filter Media

10.2 Standards Organizations

10.3 Standards Related to Nonwoven Filter Media

10.4 INDA – EDANA Harmonized Test Methods

Nomenclature

Glossary

References

Index