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 26
Page 41
... effect evaporators and temperature of the first effect may exceed 100 ° C . In some plants the ammonia gas and acid are injected directly into the evaporator and the heat of reaction can give local hot spots . In a semi direct process ...
... effect evaporators and temperature of the first effect may exceed 100 ° C . In some plants the ammonia gas and acid are injected directly into the evaporator and the heat of reaction can give local hot spots . In a semi direct process ...
Page 54
... effect evaporators . Vinylidene chloride lined pipelines and cast CN - 7M pumps transfer the weak acid from storage to the first effect evaporator . In the evaporators the feed is based on thermal circulation and heat ex- changers are ...
... effect evaporators . Vinylidene chloride lined pipelines and cast CN - 7M pumps transfer the weak acid from storage to the first effect evaporator . In the evaporators the feed is based on thermal circulation and heat ex- changers are ...
Page 143
... effect of cathodic protection . To avoid interference effect the protected structure is either isolated electrically at the susceptible points or a metallic scrap is connected to the structure at places where the earth current leaves ...
... effect of cathodic protection . To avoid interference effect the protected structure is either isolated electrically at the susceptible points or a metallic scrap is connected to the structure at places where the earth current leaves ...
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