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
alloys aluminium amine ammonia ammonium nitrate ammonium sulphate anodic protection attack austenitic bacteria brass carbon dioxide carbon steel cast iron cathodic protection cause caustic cell chemical chloride chromium coatings concentration condensate containing cooling copper Corpn corrosion due corrosion problems corrosion rate corrosion resistance distillation effective environment epoxy equipment erosion evaporator failure fertiliser flow galvanic gases graphite Hastelloy high temperatures hydrochloric acid hydrogen sulphide increase inhibitor intergranular layer liquor material of construction metal surface mild steel Monel nickel nitric acid nitrogen occurred operating oxide oxygen paint petroleum industry phenol phosphate phosphoric acid pipe pipelines pitting plant plates polyester potential presence pressure Prot pumps reaction reboiler reduced refinery resin rubber saturation sea water shell Sindri sodium solution stainless steel steam storage tanks stress corrosion cracking structure sulphuric acid tower tubes type of corrosion upto velocity welding zinc