CORROSION INHIBITION OF CARBON STEEL BY MOLYBDATE-BENZOTRIAZOLE MIXED INHIBITOR IN CONCENTRATED LITHIUM BROMIDE SOLUTION AT ELEVATED TEMPERATURE.

被引：0
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作者：
Ito, Masahiko [1 ]
Aizawa, Michihiko [1 ]
Tanno, Kazuo [1 ]
机构：
[1] Hitachi Ltd, Hitachi, Jpn, Hitachi Ltd, Hitachi, Jpn
来源：
| 1600年 / 36期
关键词：
CORROSION PROTECTION - Inhibitors - LITHIUM COMPOUNDS - STEEL CORROSION - Electrolytic;
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摘要：
Sodium molybdate gives excellent corrosion inhibition for carbon steel in the presence of lithium hydroxide in a solution of 12. 45 mol/l lithium bromide at 160 degree C which is the operating condition of a two stage absorption refrigerator. However, in a low concentration, 0. 001 mol/l, of sodium molybdate the effect decreases. In the presence of 0. 15 mol/l lithium hydroxide, the most effective solution is the 0. 001 mol/l sodium molybdate with added 0. 0015 to 0. 0075 mol/l benzotriazole. In addition, this mixed inhibitor is also effective for galvanic and crevice corrosion inhibition.
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