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 142
... structure by what is known as current drainage survey . Orders of magnitude of current density re- quired for protecting the steel structure in different environments have been given in table 4 which may be considered as a rough ...
... structure by what is known as current drainage survey . Orders of magnitude of current density re- quired for protecting the steel structure in different environments have been given in table 4 which may be considered as a rough ...
Page 143
... structure is unavoidable but spacing of anode is made such that no place should exhibit potential less than the protective value . To maintain such a condition certain portions of the structure , specially near the source of current ...
... structure is unavoidable but spacing of anode is made such that no place should exhibit potential less than the protective value . To maintain such a condition certain portions of the structure , specially near the source of current ...
Page 150
... structures . Now - a - days cathodic protection is also extensively used for the underground and immersed structures . CORROSION OF FOUNDATION STRUCTURE Considerable damage caused by the corrosion of reinforced steel rods in concrete ...
... structures . Now - a - days cathodic protection is also extensively used for the underground and immersed structures . CORROSION OF FOUNDATION STRUCTURE Considerable damage caused by the corrosion of reinforced steel rods in concrete ...
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