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Corrosion studies under conditions of thermal desalination I. Pilot test loops for the simulation of plant conditions

✍ Scribed by Dr. R. Manner; Prof. Dr. E. Heitz

Publisher
John Wiley and Sons
Year
1978
Tongue
German
Weight
949 KB
Volume
29
Category
Article
ISSN
0947-5117

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✦ Synopsis

Abstract

In a pilot test loop conditions of thermal sea‐water desalination were simulated, i. e., temperatures between room temperature and 120°C, oxygen contents between saturation and 2 ppb, flow velocities up to 6 m/s and various pH values were controlled over a long time with appropriate regulation devices. In two specimen chambers of different design corrosion rates of non alloyed and low alloyed steels were measured and compared by weight loss and polarisation resistance. Good agreement was obtained in 100 hr experiments and short duration parameter studies. This work contains the experimental and methodical requirements for investigation into the influence of oxygen, flow velocity, pH value and impurities during sea‐water desalination which will be presented in part II of the publication.

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