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 28
Page 34
... oxygen the corrosivity of low pH water increased . The gas also contained 191 ppm of hydrogen sulphide . In the presence of oxygen sulphuric acid may be formed but with little or no oxygen , sulphides would be preferentially formed ...
... oxygen the corrosivity of low pH water increased . The gas also contained 191 ppm of hydrogen sulphide . In the presence of oxygen sulphuric acid may be formed but with little or no oxygen , sulphides would be preferentially formed ...
Page 118
... oxygen concentrations occur on the metal surface due to a change in the type of soil and surface conditions . Corrosion occurring by difference in oxygen concentration is accelerated in areas where the oxygen is shielded from the metal ...
... oxygen concentrations occur on the metal surface due to a change in the type of soil and surface conditions . Corrosion occurring by difference in oxygen concentration is accelerated in areas where the oxygen is shielded from the metal ...
Page 130
... Oxygen reduction is mostly responsible for the corrosion of metals in natural waters which have an approximately neutral reaction i.e. , are only sightly acidic or alkaline . Under these conditions , by interaction between the anodic ...
... Oxygen reduction is mostly responsible for the corrosion of metals in natural waters which have an approximately neutral reaction i.e. , are only sightly acidic or alkaline . Under these conditions , by interaction between the anodic ...
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