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 19
... anneal of the entire vessel is safer . Under certain conditions caustic embrittlement can also be avoided by adding inhibitors , e.g. , tannins , waste sulphate liquor , sodium nitrate , sodium phosphate , etc. Stainless Steel ...
... anneal of the entire vessel is safer . Under certain conditions caustic embrittlement can also be avoided by adding inhibitors , e.g. , tannins , waste sulphate liquor , sodium nitrate , sodium phosphate , etc. Stainless Steel ...
Page 21
... annealed metal as a result of localized residual stresses set up from denting or crimping during transport , storage or assembly . This has often occurred in austenitic stainless steel heat - exchanger tubing . 9 ) Don't use cleaning ...
... annealed metal as a result of localized residual stresses set up from denting or crimping during transport , storage or assembly . This has often occurred in austenitic stainless steel heat - exchanger tubing . 9 ) Don't use cleaning ...
Page 31
... anneal of the welded portions . Another remedy would be the replacement of mild steel tubes and headers " with those of aluminium , since no corrosion has been observed with aluminium coolers . Change over to stainless steel has been ...
... anneal of the welded portions . Another remedy would be the replacement of mild steel tubes and headers " with those of aluminium , since no corrosion has been observed with aluminium coolers . Change over to stainless steel has been ...
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