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 41
... sulphuric acid . The liquor at about 50 ° C is led to a single effect evaporator where it is evaporated under vacuum , or ammonia gas may be absorbed directly in 6 % sulphuric acid in a low differential saturator . The suitability of ...
... sulphuric acid . The liquor at about 50 ° C is led to a single effect evaporator where it is evaporated under vacuum , or ammonia gas may be absorbed directly in 6 % sulphuric acid in a low differential saturator . The suitability of ...
Page 51
... acids . Behaviour of sulphuric acid has attracted wide attention55 . Lead can be used suitably at temperatures of 220 ° C in concentrations up to 95 % . Copper alloys have useful applications in dilute acid . Performance of austenitic ...
... acids . Behaviour of sulphuric acid has attracted wide attention55 . Lead can be used suitably at temperatures of 220 ° C in concentrations up to 95 % . Copper alloys have useful applications in dilute acid . Performance of austenitic ...
Page 126
... sulphuric acid , can the delegates suggest a suitable method for storage of this acid of 98 % concentration at about 75 ° C ? We are at present using acid resistant brick lining but it becomes necessary to replace often due to corrosion ...
... sulphuric acid , can the delegates suggest a suitable method for storage of this acid of 98 % concentration at about 75 ° C ? We are at present using acid resistant brick lining but it becomes necessary to replace often due to corrosion ...
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