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 71
DISCUSSION Mr . R . S . Raman ( E . I . D . Parry , Madras ) In our phosphoric
acid plant the rock phosphate and sulphuric acid of 70 % concentration are
agitated in vats . Due to the presence of the acid and chloride , the rotar vanes
made of ...
DISCUSSION Mr . R . S . Raman ( E . I . D . Parry , Madras ) In our phosphoric
acid plant the rock phosphate and sulphuric acid of 70 % concentration are
agitated in vats . Due to the presence of the acid and chloride , the rotar vanes
made of ...
Page 138
If we examine those inhibitors , which are in most general usage , we will find that
all of them employ chromate or phosphate alone or in combination with other
materials or as mixtures of phosphate and chromate with or without other
inhibitors ...
If we examine those inhibitors , which are in most general usage , we will find that
all of them employ chromate or phosphate alone or in combination with other
materials or as mixtures of phosphate and chromate with or without other
inhibitors ...
Page 153
Regarding mixed chromate / phosphate inhibitor I would like to mention that if
water is flowing the quantity of ... only important point is that the ratio of calcium
and phosphate is to be maintained and as long as the calcium content is not too
low ...
Regarding mixed chromate / phosphate inhibitor I would like to mention that if
water is flowing the quantity of ... only important point is that the ratio of calcium
and phosphate is to be maintained and as long as the calcium content is not too
low ...
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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
Bibliographic information
| Title | 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 |
| Editors | K. N. P. Rao, A. K. Lahiri |
| Contributor | Corrosion Advisory Bureau |
| Publisher | Corrosion Advisory Bureau, 1969 |
| Original from | the University of Wisconsin - Madison |
| Digitized | 27 Feb 2008 |
| Length | 159 pages |
| Export Citation | BiBTeX EndNote RefMan |