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 95
... treatment of distillates Acid treatment of lubricating oils and other distillates is usually done with successive addition of sulfuric acid of 90-100 % concentration . Temperatures usually range from atmospheric to 65 ° C but may go as ...
... treatment of distillates Acid treatment of lubricating oils and other distillates is usually done with successive addition of sulfuric acid of 90-100 % concentration . Temperatures usually range from atmospheric to 65 ° C but may go as ...
Page 136
... treatment on a par with softening , deaeration or deoxygenation . The degree of efficiency of inhibi- tion varies over a wide range , from the action of a passivator to the beheviour of calcium carbonate when the initial attack may ...
... treatment on a par with softening , deaeration or deoxygenation . The degree of efficiency of inhibi- tion varies over a wide range , from the action of a passivator to the beheviour of calcium carbonate when the initial attack may ...
Page 155
... treatment . In fact we ourselves are considering the problem . In heat exchanger systems involving number of metals , saturation may arise where hydrochloric acid may attack some metals . So we have to find an inhibitor which will ...
... treatment . In fact we ourselves are considering the problem . In heat exchanger systems involving number of metals , saturation may arise where hydrochloric acid may attack some metals . So we have to find an inhibitor which will ...
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