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 45
... heat treatment . By keeping the metal above dew point ( about 250 ° F ) the condensation was prevented . Cracking from repeated heating and cooling was another problem . Several curved plates operating in the 800-100 ° F zone usually ...
... heat treatment . By keeping the metal above dew point ( about 250 ° F ) the condensation was prevented . Cracking from repeated heating and cooling was another problem . Several curved plates operating in the 800-100 ° F zone usually ...
Page 49
... heat is recovered by waste heat boiler . In one case several premature failures of the waste heat boiler tubes occurred because of pitting . Pitting was caused by mill scales on the tube surfaces . Failure of the tubes permit- ted water ...
... heat is recovered by waste heat boiler . In one case several premature failures of the waste heat boiler tubes occurred because of pitting . Pitting was caused by mill scales on the tube surfaces . Failure of the tubes permit- ted water ...
Page 146
... Heat exchanger The environment of the heat exchanger is most severe from the point of view of corrosion . Presence of bi - metallic contact , high water temperature , high water velocity , etc. , make the problem more complex . For the ...
... Heat exchanger The environment of the heat exchanger is most severe from the point of view of corrosion . Presence of bi - metallic contact , high water temperature , high water velocity , etc. , make the problem more complex . For the ...
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