Corrosion in Fertiliser and Petroleum Industry: Proceedings of Short Course on "Corrosion in Fertiliser and Petroleum Industry" Organised by the Corrosion Advisory Bureau at Udyogamandal from 20th to 24th December 1968 |
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Page 86
Characteristics of Corrosion In case of acid attack by hydrochloric acid or carbon
dioxide in the condensate formed on the metal surface at lower temperatures ,
the attack is characterised by both pitting and general attack . In crude distillation
...
Characteristics of Corrosion In case of acid attack by hydrochloric acid or carbon
dioxide in the condensate formed on the metal surface at lower temperatures ,
the attack is characterised by both pitting and general attack . In crude distillation
...
Page 98
( b ) Corrosion by Chlorine Compounds The principle corrodent , hydrogen
chloride occurs in areas where the temperature is below the dew point of water .
It is quite severe in accumulators , where it causes pitting . It may also cause
stress ...
( b ) Corrosion by Chlorine Compounds The principle corrodent , hydrogen
chloride occurs in areas where the temperature is below the dew point of water .
It is quite severe in accumulators , where it causes pitting . It may also cause
stress ...
Page 146
Protection of aluminium Cathodic protection is being used for reducing the pitting
corrosion of aluminium with current density controlled just sufficient to maintain
the protective potential . The effect of excess current density tends to activate the
...
Protection of aluminium Cathodic protection is being used for reducing the pitting
corrosion of aluminium with current density controlled just sufficient to maintain
the protective potential . The effect of excess current density tends to activate the
...
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Contents
INTRODUCTION | 3 |
CHEMICAL CORROSION AND ITS PREVENTION | 13 |
DISCUSSION | 22 |
9 other sections not shown
Common terms and phrases
addition alloys aluminium ammonia ammonium amount anodic application attack bottom carbon steel cast iron cathodic protection cause chemical chloride chromium coatings concentration construction containing cooling corrosion problems corrosion rate cracking crude developed distillation effective environment epoxy equipment exchangers failure fertiliser flow give given handling heat hydrogen hydrogen sulphide increase industry inhibitor iron lead less material metal method mild steel Monel months natural observed occurred operating organic oxide oxygen paint petroleum phosphate pipe pitting plant plates potential practice presence pressure prevent pumps range reaction reduced refinery removal resistance rubber severe shell showing solution specially stainless steel steam storage tanks stress corrosion structure suitable sulphuric acid surface Table tanks temperature tests thickness tower treatment tubes unit various welding zinc