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
... temperatures prevailing in cracking plants . These acids are corrosive pri- marily at low temperatures in presence of water and is in direct contrast to the high temperature corrosion by napthenic acids . Napthenic acid corrosion is ...
... temperatures prevailing in cracking plants . These acids are corrosive pri- marily at low temperatures in presence of water and is in direct contrast to the high temperature corrosion by napthenic acids . Napthenic acid corrosion is ...
Page 98
... temperature below dew point of water and ( 2 ) at temperature above 500 ° F ( 260 ° C ) . The latter occurs in fractionators , heater coils , catalytic and thermal cracking units , coking units and in thermal reactors . This type of ...
... temperature below dew point of water and ( 2 ) at temperature above 500 ° F ( 260 ° C ) . The latter occurs in fractionators , heater coils , catalytic and thermal cracking units , coking units and in thermal reactors . This type of ...
Page 154
... temperature and if the water is regulated to a known saturation value ( i.e. , slight tendency to form scale ) at higher temperature the same water may become scale forming . What has been suggested is that pK , -pK , varies with ...
... temperature and if the water is regulated to a known saturation value ( i.e. , slight tendency to form scale ) at higher temperature the same water may become scale forming . What has been suggested is that pK , -pK , varies with ...
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