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 18
Page 29
... thickness had reduced to 3/16 " 1/6 " from an initial thickness of 1/4 inch . The central downcomer pipe was also badly corroded and had reduced to 1 to 3 mm from an initial thickness of 10 mm . At several places the metal had been ...
... thickness had reduced to 3/16 " 1/6 " from an initial thickness of 1/4 inch . The central downcomer pipe was also badly corroded and had reduced to 1 to 3 mm from an initial thickness of 10 mm . At several places the metal had been ...
Page 52
... thickness of the pipe varied from 7/8 " to 1 " . Metallographic examination of the smaller secondary cracks showed them to coincide in position with graphitic flakes and in general these cracks occurred along inter - linking flakes ...
... thickness of the pipe varied from 7/8 " to 1 " . Metallographic examination of the smaller secondary cracks showed them to coincide in position with graphitic flakes and in general these cracks occurred along inter - linking flakes ...
Page 156
... thickness of on - stream equipment , specially in case of those which are under pressure and temperature . In our coking unit in the Barauni Refinery we experienced similar difficulties but with the help of ultrasonic thickness ...
... thickness of on - stream equipment , specially in case of those which are under pressure and temperature . In our coking unit in the Barauni Refinery we experienced similar difficulties but with the help of ultrasonic thickness ...
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