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 44
... nitric acid reboilers has been reported1o . A reboiler was installed on a 40 to 50 % nitric acid distillation column . The reboiler was operated at a temperature of about 275 ° F . Steam was passed through the reboiler tubes and nitric ...
... nitric acid reboilers has been reported1o . A reboiler was installed on a 40 to 50 % nitric acid distillation column . The reboiler was operated at a temperature of about 275 ° F . Steam was passed through the reboiler tubes and nitric ...
Page 45
... nitric acid and ammonium nitrate industries are type 430 stainless steel ( over 15 % Cr and low carbon ) . Carr41 describes the failure of stainless steel in nitric acid . Most of the acid used is in the 57 % range but more corrosion ...
... nitric acid and ammonium nitrate industries are type 430 stainless steel ( over 15 % Cr and low carbon ) . Carr41 describes the failure of stainless steel in nitric acid . Most of the acid used is in the 57 % range but more corrosion ...
Page 46
... nitric acid plant . The flooring was subjected to the spillage and drips of hot nitric acid from the storage and after it became saturated with the acid the structural steel supports started corroding . A stationary coat of polyester ...
... nitric acid plant . The flooring was subjected to the spillage and drips of hot nitric acid from the storage and after it became saturated with the acid the structural steel supports started corroding . A stationary coat of polyester ...
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