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 51
... concentrations up to 95 % . Copper alloys have useful applications in dilute acid . Performance of austenitic stainless steel is affected by concentration , velocity , degree of aeration and presence of harmful impurities . Type 316 ...
... concentrations up to 95 % . Copper alloys have useful applications in dilute acid . Performance of austenitic stainless steel is affected by concentration , velocity , degree of aeration and presence of harmful impurities . Type 316 ...
Page 137
... concentration of 50 ppm ( as P2O5 ) and calcium or zinc at a concentration of 30 ppm . This method of inhibition is effective over a range of flow velocity from 0.04 to 7 ft . per sec . , and at the latter speed the rate of attack at ...
... concentration of 50 ppm ( as P2O5 ) and calcium or zinc at a concentration of 30 ppm . This method of inhibition is effective over a range of flow velocity from 0.04 to 7 ft . per sec . , and at the latter speed the rate of attack at ...
Page 138
... concentration rises about 0.4 ppm . Concentration by evaporation may increase the original chloride and sulphate content to a level as high as 10 times the original value . Corrosion may be retarded by the addition of lime and make the ...
... concentration rises about 0.4 ppm . Concentration by evaporation may increase the original chloride and sulphate content to a level as high as 10 times the original value . Corrosion may be retarded by the addition of lime and make the ...
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