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Article Dans Une Revue Journal of Crystal Growth Année : 2014

Inhibition of calcium carbonate precipitation by aqueous extract of Paronychia argentea

Résumé

This paper focuses on the development of a new green inhibitor "aqueous extract of Paronychia argentea" for reducing calcium carbonate scale formation on metallic surfaces. The effects of temperature and biocides on the efficiency of the inhibitor were investigated. Their antiscaling properties have been evaluated by the chronoamperometry method and the calcareous layers were characterized by scanning electron microscopy observations. A complete scaling inhibition was obtained with a concentration of 70 ppm of green inhibitor for calcocarbonically pure water at 20 °C and 45 °C. However, its efficiency was decreased at 60 °C. Different commercially available biocides named B310, B320, B330 and B340 were also tested. The biocide B340 was the only found not compatible with green inhibitor.

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Dates et versions

hal-00944045 , version 1 (04-11-2014)

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Zineb Belarbi, Jean Gamby, Laid Makhloufi, Bruno Sotta, Bernard Tribollet. Inhibition of calcium carbonate precipitation by aqueous extract of Paronychia argentea. Journal of Crystal Growth, 2014, 386, pp.208-214. ⟨10.1016/j.jcrysgro.2013.09.048⟩. ⟨hal-00944045⟩
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