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 75
... Improved material Carpenter - 20 1 to 14 JS - 700 Alloy - 20 Remarks CD4M , HV - 9 At present we are using 20-25 MTI equivalent to HV - 9 which is working satisfactorily . Its life may be considered for about 6 months . b ) Impeller 26 ...
... Improved material Carpenter - 20 1 to 14 JS - 700 Alloy - 20 Remarks CD4M , HV - 9 At present we are using 20-25 MTI equivalent to HV - 9 which is working satisfactorily . Its life may be considered for about 6 months . b ) Impeller 26 ...
Page 76
... Improved material Remarks . Butyl rubber 2 to 3 JS - 700 Alloy - 20 12 ᏟᎠᏎᎷ 2 to 3 b ) Shaft sleeve a ) Suction cover , frame cover , impeller b ) Shaft Sleeve Sus 32 ( AISI 316 ) Durimet 20 Neoprene rubber 2 to 3 12 2 to 3 P. 407 ...
... Improved material Remarks . Butyl rubber 2 to 3 JS - 700 Alloy - 20 12 ᏟᎠᏎᎷ 2 to 3 b ) Shaft sleeve a ) Suction cover , frame cover , impeller b ) Shaft Sleeve Sus 32 ( AISI 316 ) Durimet 20 Neoprene rubber 2 to 3 12 2 to 3 P. 407 ...
Page 77
... Improved material 1 . AISI 316 L About 24 months 2. Rotary pan valve AISI 316 L 3 . Filter cloth 4. Wearplate 5. Thrust and support roller Digester Tank Agitator V - 202 A. Polypropylene HA Vect About 30 to 40 days About 24 months CI ...
... Improved material 1 . AISI 316 L About 24 months 2. Rotary pan valve AISI 316 L 3 . Filter cloth 4. Wearplate 5. Thrust and support roller Digester Tank Agitator V - 202 A. Polypropylene HA Vect About 30 to 40 days About 24 months CI ...
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