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CGA P 8.4 : 2013

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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SAFE OPERATION OF REBOILERS/CONDENSERS IN AIR SEPARATION UNITS

Superseded date

08-07-2020

Superseded by

CGA P-8.4:2020

Published date

12-01-2013

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1 Introduction
2 Scope and purpose
3 Definitions
4 Reboiler Incidents
5 Air contaminants
6 Design consideration
7 Operations
8 References
9 Additional References
Appendix A - Plugging, flammable and corrosive
             contaminants of air
Appendix B - Properties of air contaminants
Appendix C - Adsorption of air contaminants
Appendix D - Typical default air quality design
             basis (for adsorptive FEP system)
Appendix E - Maximum contaminant levels in liquid
             oxygen thermosyphon reboiler operation at
             1.2 bar, abs
Appendix F - Maximum contaminant levels in liquid
             oxygen downflow reboiler operation at 1.2
             bar, abs
Appendix G - Representation of reboiler core
             submergence

Deals with the operation of the reboilers of air separation plants. Includes a summary of current knowledge and industrial practices used in their safe application. Specifically applies to the main reboiler and oxygen product reboilers in which the oxygen concentration is above 75% in the liquid phase.

DocumentType
Standard
PublisherName
Compressed Gas Association
Status
Superseded
SupersededBy

CGA G 4.8 : 2013 SAFE USE OF ALUMINUM-STRUCTURED PACKING FOR OXYGEN DISTILLATION
ASTM G 94 : 2005 : R2014 Standard Guide for Evaluating Metals for Oxygen Service
ASTM G 94 : 2005 Standard Guide for Evaluating Metals for Oxygen Service
CGA P 8.6 : 2015 UNMANNED AIR GAS PLANTS - DESIGN AND OPERATION
CGA F 2 : 2017 GUIDELINE FOR FOOD GASES PRODUCT HAZARD ANALYSIS AND RISK-BASED PREVENTIVE CONTROL (HARPC) PROGRAM
CGA P 8.8 : 2017 SAFE DESIGN AND OPERATION OF CRYOGENIC ENCLOSURES
ASTM G 88 : 2013 : REDLINE Standard Guide for Designing Systems for Oxygen Service
CGA TR 3 : 2014 THE IMPACT OF AMBIENT AIR CONTAMINANTS ON VALIDATION REQUIREMENTS FOR THE AIR SEPARATION PROCESS
CGA P 8 : 2013 SAFE PRACTICES GUIDE FOR CRYOGENIC AIR SEPARATION PLANTS

CGA P 8 : 2013 SAFE PRACTICES GUIDE FOR CRYOGENIC AIR SEPARATION PLANTS
CGA G 4.8 : 2013 SAFE USE OF ALUMINUM-STRUCTURED PACKING FOR OXYGEN DISTILLATION
CGA G 4.1 : 2009 CLEANING EQUIPMENT FOR OXYGEN SERVICE

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