Corrosion Inhibition of Carbon Steel by Lithium Molybdate in Concentrated LiBr Solutions at Elevated Temperatures

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Other Title
  • モリブデン酸リチウムによる高温濃厚LiBr水溶液中の炭素鋼の腐食抑制
  • モリブデンサン リチウム ニ ヨル コウオン ノウコウ LiBr スイヨウエキ

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Description

Inhibition of the corrosion of carbon steels by lithium molybdate in bellow 21.4mol/kg-H2O alkaline lithium bromide aqueous solution was investigated in glass sealed tube at various temperatures. Lithium molybdate gives an excellent corrosion inhibition for carbon steel even at a concentration as low as 0.003mol/kg-H2O in the presence of 0.36mol/kg-H2O lithium hydroxide. In addition, this inhibitor is effective in the temperature range from 373 to 473K. It is concluded that the corrosion inhibition action by lithium molybdate results from the passivation of carbon steel by the compact film composed of molybdenum oxide such as MoO2 and Fe3O4 formed on the surface of carbon steel, which inhibits anodic reaction.

Journal

  • CORROSION ENGINEERING

    CORROSION ENGINEERING 39 (6), 298-302, 1990

    Japan Society of Corrosion Engineering

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