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 5
The formation of discrete cathodic and anodic zones on a metallic surface is
caused by various factors , e . g . , different thermal and metallurgical treatment ,
local differences in surface roughness , presence of local scratches , presence of
...
The formation of discrete cathodic and anodic zones on a metallic surface is
caused by various factors , e . g . , different thermal and metallurgical treatment ,
local differences in surface roughness , presence of local scratches , presence of
...
Page 51
Performance of austenitic stainless steel is affected by concentration , velocity ,
degree of aeration and presence of harmful impurities . Type 316 stainless steel
is preferred to type 304 but is liable to intergranular attack . Special ' 20 ' alloys
are ...
Performance of austenitic stainless steel is affected by concentration , velocity ,
degree of aeration and presence of harmful impurities . Type 316 stainless steel
is preferred to type 304 but is liable to intergranular attack . Special ' 20 ' alloys
are ...
Page 92
FLUID CATALYTIC CRACKING Fluid catalytic cracking is also used to convert
high boiling gas oils into low boiling hydrocarbons in presence of finely divided
solid catalyst at a temperature of 430° - 520°C . The crackinz oil vapour also ...
FLUID CATALYTIC CRACKING Fluid catalytic cracking is also used to convert
high boiling gas oils into low boiling hydrocarbons in presence of finely divided
solid catalyst at a temperature of 430° - 520°C . The crackinz oil vapour also ...
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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