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Presentation on Cathodic Protection System, at IOCL KBPL Kandla. Dt. 19.04.2006. By Corrosion Matters Hyderabad An Advisory services company. Cathodic Protection. Welcome. CORROSION. “The deterioration of a material, usually a metal, that results from a reaction with its environment.”.

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cathodic protection
Presentation on Cathodic Protection System,

at IOCL KBPL Kandla.

Dt. 19.04.2006

By

Corrosion Matters

Hyderabad

An Advisory services company.

Cathodic Protection
corrosion

CORROSION

“The deterioration of a material, usually a metal, that results from a reaction with its environment.”

some variables in the corrosion control process
pH

OXYGEN

RESISTIVITY

TEMPERATURE

COATING PROPERTIES

ELECTROLYTE MOISTURE CONTENT

ANODE MATERIAL

ANODE LOCATION

ANODE SIZE

ANODE SHAPE

STRUCTURE MATERIAL

BACTERIA

OTHER MINERALS IN ELECTROLYTE

SOME VARIABLES IN THE CORROSION CONTROL PROCESS
corrosion control measures
CORROSION CONTROL MEASURES
  • MATERIALS SELECTION
  • DESIGN CONSIDERATIONS
  • PROTECTIVE COATINGS AND LININGS
  • CATHODIC PROTECTION
  • INHIBITORS
some cp design considerations
SOME CP DESIGN CONSIDERATIONS
  • ELECTROLYTE RESISTIVITY
  • SYSTEM LIFE REQUIREMENTS
  • COATING EFFICIENCY
  • CURRENT REQUIRED FOR PROTECTION
  • ECONOMIC FACTORS
  • PHYSICAL CONFIGURATION OF STRUCTURE
  • MATERIALS USED IN STRUCTURE.
  • ANODE CHARACTERISTICS
cp construction considerations
CP CONSTRUCTION CONSIDERATIONS
  • PREPARATION OF METAL SURFACE FOR COATING
  • PROPER SELECTION AND APPLICATION OF COATING
  • PROCUREMENT OF CP EQUIPMENT MEETING SPECIFICATIONS
  • SUPERVISION OF INSTALLATION BY QUALIFIED PERSONNEL
  • ENERGIZING, ADJUSTMENT, AND TESTING BY QUALIFIED PERSONNEL
maintenance and repair considerations
MAINTENANCE AND REPAIR CONSIDERATIONS
  • WEEKLY RECTIFIER READINGS RECORDED AND SENT TO DISTRICT CP SPECIALIST FOR REVIEW
  • ANNUAL PROTECTIVE POTENTIAL SURVEY PERFORMED BY QUALIFIED PERSONNEL
  • NECESSARY SYSTEM ADJUSTMENTS MADE BY QUALIFIED PERSONNEL
  • NECESSARY REPAIRS MADE AS SOON AS POSSIBLE AND RETEST IF NECESSARY
summary
SUMMARY
  • THERE ARE MANY FORMS AND MECHANISMS THAT CAUSE CORROSION.
  • PROPER CORROSION CONTROL SAVES MONEY, AND IMPROVES OPERABILITY AND SAFETY AND PROTECTS THE ENVIRONMENT.
  • CATHODIC PROTECTION IS A PROVEN EFFECTIVE METHOD OF CORROSION CONTROL.
  • CORROSION CONTROL IS COMPLEX, REQUIRING SPECIAL EXPERTISE FOR SUCCESSFUL DESIGN, CONSTRUCTION, AND MAINTENANCE
slide32
End.

Thank You

We also make Electro Chlorination Systems