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 87
... compounds into hydrogen sulphide at high pressures in presence of catalysts . Napthenic acid corrosion is encountered mainly in crude distilling plants and in high vacuum distilling plants processing certain sour crudes or derivatives ...
... compounds into hydrogen sulphide at high pressures in presence of catalysts . Napthenic acid corrosion is encountered mainly in crude distilling plants and in high vacuum distilling plants processing certain sour crudes or derivatives ...
Page 94
... compounds ) , solvent extraction , dewaxing etc. Caustic soda and sulphuric acid are more commonly used but other chemicals like phosphoric acid , hydrofluoric acid , and aluminium chloride and hydrochloric acid mixture are also used ...
... compounds ) , solvent extraction , dewaxing etc. Caustic soda and sulphuric acid are more commonly used but other chemicals like phosphoric acid , hydrofluoric acid , and aluminium chloride and hydrochloric acid mixture are also used ...
Page 135
... compounds . Arsenical copper con- taining 0.15 to 0.5 percent arsenic has a higher strength and fatigue limit but still retains ductility . Its main use is in condensers and heat exchangers for use in fresh water . It is not recommended ...
... compounds . Arsenical copper con- taining 0.15 to 0.5 percent arsenic has a higher strength and fatigue limit but still retains ductility . Its main use is in condensers and heat exchangers for use in fresh water . It is not recommended ...
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