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 23
... flow , which is equivalent to decrease in corrosion rate , is observed . This potential range where the current flow is very small can be utilised to decrease corrosion and this method is known as anodic protection and is done by ...
... flow , which is equivalent to decrease in corrosion rate , is observed . This potential range where the current flow is very small can be utilised to decrease corrosion and this method is known as anodic protection and is done by ...
Page 135
... flow speed is less than 3 ft / sec . The addition of about 0.04 percent arsenic to admiralty brass inhibits dezinci- fication but it is still susceptible to impingement . Nevertheless with additions of arsenic , antimony or phosphorus ...
... flow speed is less than 3 ft / sec . The addition of about 0.04 percent arsenic to admiralty brass inhibits dezinci- fication but it is still susceptible to impingement . Nevertheless with additions of arsenic , antimony or phosphorus ...
Page 143
... flow through the electrolyte to the structure for protection causes potential changes in the electrolyte resulting in flow of current to the neighbouring structures which are corroded . This is known as interference effect of cathodic ...
... flow through the electrolyte to the structure for protection causes potential changes in the electrolyte resulting in flow of current to the neighbouring structures which are corroded . This is known as interference effect of cathodic ...
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