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 1968K. N. P. Rao, A. K. Lahiri |
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Page 86
... pitting and general attack . In crude distillation column , where the temperatures may range from about 90 ° C at the top to 450 ° C and above at the bottom , the acid attack is concentrated in the cooler region in the upper section ...
... pitting and general attack . In crude distillation column , where the temperatures may range from about 90 ° C at the top to 450 ° C and above at the bottom , the acid attack is concentrated in the cooler region in the upper section ...
Page 98
... pitting . It may also cause stress corrosion cracking of austenitic stainless steel . In the top portion of fractionating towers , corrosion due to chloride usually occurs below the tray liquid level and on the shell , or the top head ...
... pitting . It may also cause stress corrosion cracking of austenitic stainless steel . In the top portion of fractionating towers , corrosion due to chloride usually occurs below the tray liquid level and on the shell , or the top head ...
Page 146
... Pitting and stress corrosion of stainless steel It has been shown that pitting or crevice attack of stainless steel in sea water or in brine solu- tion can be effectively reduced by the application of cathodic protection . Stress ...
... Pitting and stress corrosion of stainless steel It has been shown that pitting or crevice attack of stainless steel in sea water or in brine solu- tion can be effectively reduced by the application of cathodic protection . Stress ...
Contents
INTRODUCTION | 3 |
CHEMICAL CORROSION AND ITS PREVENTION | 13 |
CORROSION PROBLEMS IN THE MANUFACTURE OF NITROGEN BASED FERTILIZER | 27 |
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 formation give given handling heat higher hydrogen hydrogen sulphide increase industry inhibitor iron lead 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