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 45
... sheet in front of the cool half to keep it warm . The sheets could be made of any of the stainless steel types 304L , 321 and 347 as they do not require heat treatment . By keeping the metal above dew point ( about 250 ° F ) the ...
... sheet in front of the cool half to keep it warm . The sheets could be made of any of the stainless steel types 304L , 321 and 347 as they do not require heat treatment . By keeping the metal above dew point ( about 250 ° F ) the ...
Page 54
... sheets and impregnated graphite tubes held in place with neoprene grommets . Vapour bodies are natural rubber lined ... sheet and tubes but after two months the tubes failed . Several materials were tested but no conclusion could be ...
... sheets and impregnated graphite tubes held in place with neoprene grommets . Vapour bodies are natural rubber lined ... sheet and tubes but after two months the tubes failed . Several materials were tested but no conclusion could be ...
Page 111
... sheets . The cross - section of the tube at the transition zone from elliptical to circular section has the shape of ... sheet and the remaining portion of the tubes were found unaffected . Reformer heater tubes We have been experiencing ...
... sheets . The cross - section of the tube at the transition zone from elliptical to circular section has the shape of ... sheet and the remaining portion of the tubes were found unaffected . Reformer heater tubes We have been experiencing ...
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