| Preface |
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xi | |
| Acknowledgments |
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xiii | |
| Author |
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xv | |
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1 | (2) |
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3 | (14) |
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2.1 Basics of Aqueous Metallic Corrosion |
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3 | (1) |
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4 | (3) |
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2.3 Polarization and Corrosion Rates |
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7 | (3) |
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2.3.1 Concept of Polarization |
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7 | (1) |
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2.3.1.1 Causes of Cathodic Polarization |
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7 | (1) |
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2.3.1.2 Polarization Diagram |
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7 | (2) |
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9 | (1) |
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2.3.3 Factors Affecting Corrosion Rate |
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9 | (1) |
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2.4 Hydrogen-Release Corrosion and Oxygen-Consumption Corrosion |
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10 | (2) |
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2.4.1 Hydrogen-Release Corrosion |
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10 | (1) |
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2.4.2 Oxygen-Consumption Corrosion |
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11 | (1) |
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12 | (3) |
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2.5.1 Corrosive Environments |
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14 | (1) |
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2.6 Corrosion Protection Methods |
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15 | (2) |
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Chapter 3 External Corrosion Protection |
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17 | (82) |
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17 | (5) |
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3.1.1 Considerations for Material Selection |
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18 | (2) |
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3.1.1.1 Material Selection Criteria for Metal Alloys |
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20 | (1) |
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3.1.1.2 Materials with High Corrosion Resistance |
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20 | (2) |
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22 | (23) |
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22 | (3) |
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3.2.2 Coating Philosophy and Selection |
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25 | (1) |
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3.2.3 Coal Tar and Asphalt Coatings |
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26 | (1) |
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26 | (1) |
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26 | (1) |
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3.2.3.3 Advantages and Disadvantages |
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27 | (1) |
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3.2.3.4 Field Joints and Coating Repairs |
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27 | (1) |
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3.2.4 Fusion Bonded Epoxy Coatings |
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27 | (1) |
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27 | (1) |
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3.2.4.2 Advantages and Disadvantages |
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28 | (1) |
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3.2.4.3 Field Joints and Coating Repairs |
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29 | (1) |
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3.2.5 Polyethylene Coatings |
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29 | (1) |
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29 | (1) |
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3.2.5.2 Advantages and Disadvantages |
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30 | (1) |
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3.2.5.3 Field Joint and Coating Repair |
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30 | (1) |
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31 | (1) |
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3.2.6.1 Self-Adhesive Bituminous Laminate Tapes |
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31 | (1) |
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3.2.7 Epoxy and Urethane Liquid Coatings |
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31 | (1) |
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31 | (1) |
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3.2.7.2 Advantages and Disadvantages |
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32 | (1) |
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3.2.7.3 Field Joint and Coating Repairs |
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32 | (1) |
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3.2.8 Coal Tar Epoxy Coatings |
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32 | (1) |
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3.2.8.1 Advantages and Disadvantages |
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32 | (1) |
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3.2.9 Mill-Applied Tape Coating Systems |
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33 | (1) |
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3.2.9.1 Advantages and Disadvantages |
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33 | (1) |
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3.2.10 Extruded Polyolefin Systems |
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33 | (1) |
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3.2.10.1 Crosshead-Extruded Polyolefin with Asphalt/Butyl Adhesive |
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33 | (1) |
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3.2.10.2 Dual-Side-Extruded Polyolefin with Butyl Adhesive |
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34 | (1) |
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3.2.11 Multilayer Epoxy/Extruded Polyolefin Systems |
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34 | (1) |
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3.2.11.1 Advantages and Disadvantages |
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35 | (1) |
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3.2.12 Elastomer Coatings |
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35 | (1) |
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3.2.12.1 Field Joint and Coating Repairs |
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35 | (1) |
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3.2.13 High-Temperature Coatings |
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36 | (1) |
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36 | (1) |
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3.2.13.2 Coating Philosophy and Selection |
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37 | (1) |
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3.2.13.3 Polypropylene Coatings |
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38 | (2) |
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3.2.13.4 Polyurethane Elastomer |
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40 | (1) |
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40 | (2) |
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42 | (1) |
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3.2.13.7 Epoxy Phenolic Coatings |
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42 | (1) |
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3.2.13.8 Epoxy Novolac Coatings |
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43 | (1) |
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3.2.13.9 Silicone Coatings |
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43 | (1) |
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3.2.13.10 Modified Silicone Coatings |
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43 | (1) |
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3.2.13.11 Multi-Polymeric Matrix Coatings |
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44 | (1) |
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44 | (1) |
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3.2.14.1 Concrete Weight Coatings |
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44 | (1) |
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45 | (50) |
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3.3.1 Main Parameters of Cathodic Protection |
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46 | (1) |
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3.3.1.1 Natural Potential |
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46 | (1) |
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3.3.1.2 Minimum Protective Potential |
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46 | (1) |
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3.3.1.3 Maximum Protective Potential |
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46 | (1) |
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3.3.1.4 Minimum Protective Current Density |
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46 | (1) |
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3.3.1.5 Instant Switch-Off Potential |
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47 | (1) |
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3.3.2 Sacrificial Anode Cathodic Protection System |
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47 | (1) |
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48 | (1) |
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48 | (1) |
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3.3.3 Impressed Current Cathodic Protection System |
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48 | (1) |
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49 | (1) |
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49 | (1) |
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3.3.4 Offshore Cathodic Protection |
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49 | (1) |
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50 | (1) |
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3.3.4.2 Anode Design and Attachment |
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51 | (1) |
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52 | (1) |
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3.3.4.4 Monitoring of Offshore Cathodic Protection System |
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53 | (1) |
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3.3.4.5 Criteria for Cathodic Protection |
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54 | (1) |
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3.3.5 Onshore Cathodic Protection |
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54 | (1) |
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54 | (3) |
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3.3.5.2 Monitoring of Onshore Cathodic Protection System |
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57 | (3) |
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3.3.5.3 Criteria for Cathodic Protection |
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60 | (1) |
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3.3.5.4 Protective Potential Value (NACE RP 0169-96, SY/T0036) |
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61 | (1) |
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61 | (1) |
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3.3.6 Reference Electrode |
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62 | (1) |
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3.3.6.1 Application and Maintenance |
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63 | (2) |
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3.3.7 Groundbed Site Selection and Design |
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65 | (1) |
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3.3.7.1 Ground Resistance Measurement of Anode Bed |
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66 | (3) |
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3.3.7.2 Ground Resistance Measurement of Sacrificial Anode |
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69 | (1) |
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3.3.8 Transformer-Rectifier |
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70 | (1) |
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70 | (3) |
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73 | (1) |
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74 | (2) |
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76 | (1) |
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3.3.9.1 Backfilling Selection |
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77 | (1) |
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3.3.10 Auxiliary Facilities of Cathodic Protection |
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77 | (1) |
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3.3.10.1 Insulation Device |
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77 | (2) |
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3.3.10.2 CP Measuring Devices |
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79 | (1) |
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3.3.11 Satisfying the Current Output Requirement |
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80 | (1) |
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3.3.12 Design of Offshore Cathodic Protection System |
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81 | (1) |
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81 | (2) |
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3.3.12.2 Design Procedure |
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83 | (4) |
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3.3.12.3 Optimizing Design Calculations |
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87 | (1) |
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3.3.13 Design of Onshore Cathodic Protection System |
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87 | (1) |
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3.3.13.1 Impressed Current Cathodic Protection System Design |
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88 | (5) |
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3.3.13.2 Sacrificial Anode Cathodic Protection System Design |
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93 | (2) |
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3.4 Galvanic Zinc Application |
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95 | (4) |
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3.4.1 Zinc Metallizing (Plating) |
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95 | (1) |
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96 | (1) |
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3.4.3 Hot-Dip Galvanizing |
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96 | (3) |
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Chapter 4 Internal Corrosion Protection |
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99 | (34) |
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99 | (8) |
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100 | (1) |
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4.1.2 Benefits of Internal Coating to Gas Pipelines |
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100 | (3) |
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4.1.3 Benefits of Internal Coating to Water Pipelines |
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103 | (1) |
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104 | (1) |
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104 | (1) |
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104 | (1) |
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4.1.5.2 In Situ Surface Preparation |
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105 | (1) |
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105 | (1) |
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4.1.5.4 Pipeline Design for In Situ Coating |
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105 | (1) |
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4.1.5.5 Testing In Situ Coating |
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106 | (1) |
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106 | (1) |
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107 | (19) |
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4.2.1 Corrosion Inhibitor |
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107 | (1) |
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4.2.1.1 Types of Corrosion Inhibitors |
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107 | (2) |
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4.2.1.2 Applications of Corrosion Inhibitors |
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109 | (1) |
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109 | (1) |
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110 | (2) |
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4.2.3.1 Hydrate Formation and Inhibition |
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112 | (1) |
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4.2.3.2 Conditions Necessary for Hydrate Formation |
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113 | (1) |
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4.2.3.3 Types of Hydrates |
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113 | (1) |
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4.2.3.4 Methods of Hydrate Inhibition |
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113 | (1) |
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4.2.3.5 Hydrate Inhibition |
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114 | (2) |
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116 | (2) |
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118 | (1) |
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119 | (1) |
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119 | (6) |
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4.2.6.2 Wax Crystal Modifier Additives |
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125 | (1) |
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4.2.6.3 Heavy and Asphaltic Crudes |
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125 | (1) |
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126 | (1) |
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126 | (4) |
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4.3.1 Reason for Dehydrating the Gas |
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127 | (1) |
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4.3.2 Common Gas Dehydration Methods |
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127 | (1) |
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4.3.2.1 Glycol Dehydration |
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127 | (2) |
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4.3.2.2 Adsorption on Solid Bed (e.g., Molecular Sieves) |
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129 | (1) |
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4.3.2.3 Low Temperature Separator (LTS) with Glycol Injection System |
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130 | (1) |
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130 | (2) |
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132 | (1) |
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Chapter 5 Atmospheric Corrosion |
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133 | (10) |
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5.1 Atmospheric Corrosion Inspection |
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134 | (1) |
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5.2 Causes of Atmospheric Corrosion |
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134 | (1) |
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5.3 Methods of Preventing Atmospheric Corrosion |
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134 | (5) |
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135 | (1) |
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135 | (1) |
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135 | (1) |
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136 | (1) |
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5.3.5 Conversion Coatings |
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136 | (1) |
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137 | (1) |
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5.3.7 Sacrificial Coating |
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137 | (1) |
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5.3.8 Temporary Protectives |
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137 | (1) |
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138 | (1) |
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5.3.10 Control Relative Humidity |
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138 | (1) |
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138 | (1) |
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5.3.12 Atmospheric Control |
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139 | (1) |
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5.4 Atmospheric Corrosion Repair |
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139 | (4) |
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5.4.1 Surface Preparation |
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139 | (1) |
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140 | (1) |
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140 | (1) |
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140 | (1) |
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5.4.4.1 Environmental Protection |
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141 | (2) |
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Chapter 6 Stray Current Corrosion |
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143 | (6) |
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6.1 Stray Current Sources |
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143 | (1) |
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6.2 Stray Current Corrosion Prevention |
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143 | (6) |
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6.2.1 Construction Technique |
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143 | (1) |
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6.2.2 Corrosion and Prevention of DC Stray Current |
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143 | (1) |
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6.2.3 AC Interference Hazard and Protection |
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144 | (1) |
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6.2.3.1 Electric Field Effect |
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144 | (1) |
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6.2.3.2 Earth Electric Effect |
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144 | (1) |
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6.2.3.3 Electromagnetic Effect |
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144 | (3) |
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147 | (2) |
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149 | (10) |
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149 | (4) |
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7.1.1 External Corrosion Coupons |
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150 | (2) |
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7.1.2 History of Metal Loss |
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152 | (1) |
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153 | (4) |
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7.2.1 Laboratory Testing: Major Findings |
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153 | (1) |
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7.2.2 Electrochemical Impedance Spectroscopy (EIS) |
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153 | (4) |
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157 | (1) |
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157 | (2) |
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Chapter 8 Corrosion Failures: Gas Pipeline Explosion |
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159 | (2) |
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159 | (1) |
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8.1.1 Events Leading to the Accident |
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160 | (1) |
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160 | (1) |
| References |
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161 | (2) |
| Key Terms and Definition |
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163 | (4) |
| Index |
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167 | |