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
addition alloys aluminium ammonia ammonium amount anodic application attack bottom carbon steel cast iron cathodic protection cause chemical chloride chromium coatings concentration construction containing cooling corrosion problems corrosion rate cracking crude developed distillation effective environment epoxy equipment exchangers failure fertiliser flow formation give given handling heat higher hydrogen hydrogen sulphide increase industry inhibitor iron lead material metal method mild steel Monel months natural observed occurred operating organic oxide oxygen paint petroleum phosphate pipe pitting plant plates potential practice presence pressure prevent pumps range reaction reduced refinery removal resistance rubber severe shell showing solution specially stainless steel steam storage tanks stress corrosion structure suitable sulphuric acid surface Table tanks temperature tests thickness tower treatment tubes unit various welding zinc