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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Results 1-3 of 17
Page 23
... potential of the metal towards cathode is obtained . With 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 ...
... potential of the metal towards cathode is obtained . With 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 ...
Page 130
... potential on a structure immersed in water . Galvanic or two metal corrosion occurs , when dissimilar metals are brought in electrical contact and when exposed to a corrosive electrolyte . The less noble metal corrodes faster and the ...
... potential on a structure immersed in water . Galvanic or two metal corrosion occurs , when dissimilar metals are brought in electrical contact and when exposed to a corrosive electrolyte . The less noble metal corrodes faster and the ...
Page 143
... potentials at different points of the 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 ...
... potentials at different points of the 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 ...
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