By Olen L. Riggs Jr., Carl E. Locke, Norman E. Hamner (auth.)
The ambitions of this publication are to offer technical information regarding anodic seasoned tection, clarify how financial analyses are made to figure out even if it may be used, and describe the various functions and kit. Lim itations of the strategy may be mentioned. Technological alterations that experience led to larger temperatures, pres sures, and velocities elevate corrosion premiums and markedly impression fabrics choice and layout judgements. non-stop cycle platforms impose elevated calls for on approach reliability. New approaches require extra subtle apparatus made from dearer metals that are frequently in brief provide and topic to the vagaries of overseas trade. The influence of constant inflation affects judgements relating to capital costs and upkeep bills. a few difficulties as a result of those issues might be solved, or strategies simplified, by way of anodic safety. Technical and clinical info is gifted on functions to commercial apparatus, economics, layout and set up, operation and upkeep, electrochemical ideas, laboratory assessments and systems. A old precis, patent record, word list of phrases, and a topic index are incorporated. you will need to recognize that a lot of the data has been from the unique paintings of others, together with the courses of many friends.
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Extra info for Anodic Protection: Theory and Practice in the Prevention of Corrosion
It is the expectation of the authors of this book that more extensive use of anodic protection will follow a better understanding of its principles, its application parameters, and economic benefits. References I. 2. 3. 4. 5. 6. G. Fontana, Ind. Eng. Chern. 43(8), 652 (1951). E. P. C. French, Mater. Prot. 3(6), 50 (1964). A. Foroulis, Ind. Eng. Chern. Process Des. Dev. 4( I), 20 (1965). O. F. Brady, Corrosion 19, 37t (1963). D. Fyfe, R. Vanderland, and J. Rodda, Chern. Eng. Prog. 73(3), 65 (1977).
Clark, B. O. F. S. Patent No. 3,347,768, October 17 1967. V. Rybshenkov, et al .. Zashch. Met. 7(6), 718 (1971). E. S. Patent No. 3,375,178, March 261963. D. Perrigo, Mater. Prot. 5(5), 73 (1966). S. G. Komornikova, Zashch. Met. 5(3), 300 (1969). A. Robinson, and L. Golant, Proceedings o/the 2nd International Congress 0/ Metallic Corrosion. New York. /963. NACE, pp. 290-299, Houston, TX ( 1963). S. A. Kachanov, Zashch. Met. 2(3), 358 (1966). S. Kuzub, et al .. Zashch. Met. 4(2), 199 (1968). S. Kuzub, et al ..
Fyfe et at. found that the iron content of the acid also affected the rate, as shown in Figure 2-3. Corrosion rates of steel in sulfuric acid are characteristically low because of the ferrous sulfate corrosion product in the acid which, when deposited on surfaces, acts as a diffusion barrier and thus lowers the rate. This relatively soft film can be easily swept away at low velocities, so equipment such as pumps have much higher attack rates. ,s under inlet nozzles located near a vessel sidewall.