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
alloys aluminium amine ammonia ammonium nitrate ammonium sulphate anodic protection attack austenitic bacteria brass carbon dioxide carbon steel cast iron cathodic protection cause caustic cell chemical chloride chromium coatings concentration condensate containing cooling copper Corpn corrosion due corrosion problems corrosion rate corrosion resistance distillation effective environment epoxy equipment erosion evaporator failure fertiliser flow galvanic gases graphite Hastelloy high temperatures hydrochloric acid hydrogen sulphide increase inhibitor intergranular layer liquor material of construction metal surface mild steel Monel nickel nitric acid nitrogen occurred operating oxide oxygen paint petroleum industry phenol phosphate phosphoric acid pipe pipelines pitting plant plates polyester potential presence pressure Prot pumps reaction reboiler reduced refinery resin rubber saturation sea water shell Sindri sodium solution stainless steel steam storage tanks stress corrosion cracking structure sulphuric acid tower tubes type of corrosion upto velocity welding zinc