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 19
... increase or de- crease in carbon content the time of cracking increases . In laboratory tests steel containing below 0.02 % C and those above 0.25 % have shown high resistance to attack . Welded constructions are preferred to rivetted ...
... increase or de- crease in carbon content the time of cracking increases . In laboratory tests steel containing below 0.02 % C and those above 0.25 % have shown high resistance to attack . Welded constructions are preferred to rivetted ...
Page 23
... increasing current the rate of dissolution increases accompanied by slow change in potential . After certain potential and current density a rapid increase in potential is observed with increase in the current . This phenomenon is ...
... increasing current the rate of dissolution increases accompanied by slow change in potential . After certain potential and current density a rapid increase in potential is observed with increase in the current . This phenomenon is ...
Page 88
... increase the creep resistant properties . However , increase in chromium content has further beneficial effect . Nickel is also added to improve the physical and mechanical properties but the nickel content should be kept lower , as in ...
... increase the creep resistant properties . However , increase in chromium content has further beneficial effect . Nickel is also added to improve the physical and mechanical properties but the nickel content should be kept lower , as in ...
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