Studies of Benzotriazole and Tolytriazole as Inhibitors for Copper Corrosion in Deionized Water

ABSTRACTGenerators of steam turbines play a key role in power plants. Deionized water is normally used as the cooling media in cooling systems of generators of steam turbines. The quality of cooling water is checked to ensure that the concentration of Cu2+ is no more than 40 ppb and conductivity is...

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Bibliographic Details
Published in:Corrosion (Houston, Tex.) Tex.), 2003-04, Vol.59 (4), p.314-318
Main Authors: Yu, P., Liao, D.-M., Luo, Y.-B., Chen, Z.-G.
Format: Article
Language:English
Subjects:
Applied sciences
Benzotriazole
Copper
Corrosion
Corrosion environments
Corrosion inhibitors
Corrosion prevention
Deionization
Exact sciences and technology
Hydrophobicity
Metals. Metallurgy
Temperature dependence
Time dependence
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Summary:ABSTRACTGenerators of steam turbines play a key role in power plants. Deionized water is normally used as the cooling media in cooling systems of generators of steam turbines. The quality of cooling water is checked to ensure that the concentration of Cu2+ is no more than 40 ppb and conductivity is 6 ppm) to deionized water. The thermodynamic parameters of adsorption of BTA and TTA were also calculated.EXPERIMENTAL PROCEDURESExperimental MethodsSpecimens (dimensions: 25 by 25 by 1.5 mm) were prepared from oxygen-free, high-conductivity (OFHC) copper. The copper composition was pure copper (99.99%). Specimens were polished with P 1200-grade silicon carbide (SiC) paper, degreased with analytical reagent (AR)-grade acetone (CH3COCH3), and rinsed with deionized water. The specimens were immersed in 250-mL glass beakers (with lids) containing 250 mL of test solutions at different concen-
ISSN:0010-9312
1938-159X
DOI:10.5006/1.3277563