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 1968 |
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Page 49
In some cases the gases are cooled and heat is recovered by waste heat boiler .
In one case several premature failures of the waste heat boiler tubes occurred
because of pitting . Pitting was caused by mill scales on the tube surfaces ...
In some cases the gases are cooled and heat is recovered by waste heat boiler .
In one case several premature failures of the waste heat boiler tubes occurred
because of pitting . Pitting was caused by mill scales on the tube surfaces ...
Page 54
Impregnated graphite tubes have excellent resistance and are standard material
of construction throughout phosphate industry but because of matte finish the
gypsum tends to adhere reducing tube diameters and affect heat transfer .
Impregnated graphite tubes have excellent resistance and are standard material
of construction throughout phosphate industry but because of matte finish the
gypsum tends to adhere reducing tube diameters and affect heat transfer .
Page 111
Air - fin type of condenser tubes Within a period of 2 years of operation , many of
the tubes in the crude overhead air - fin condensers developed leaks which are
still occurring . Hydrocarbon vapour and steam leave the top of crude fractionator
...
Air - fin type of condenser tubes Within a period of 2 years of operation , many of
the tubes in the crude overhead air - fin condensers developed leaks which are
still occurring . Hydrocarbon vapour and steam leave the top of crude fractionator
...
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Contents
INTRODUCTION | 3 |
CHEMICAL CORROSION AND ITS PREVENTION | 13 |
DISCUSSION | 22 |
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 give given handling heat hydrogen hydrogen sulphide increase industry inhibitor iron lead less 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