Electrochemical study of AISI 304 stainless steel during the exposure at the disinfectant solutions with fungal suspensions / M. Stoica in Materials and corrosion, Vol. 61 N° 12 (Décembre 2010)  

Public ISBD [article]  inMaterials and corrosion > Vol. 61 N° 12 (Décembre 2010) . - pp. 1017–1025 Titre : Electrochemical study of AISI 304 stainless steel during the exposure at the disinfectant solutions with fungal suspensions Type de document : texte imprimé Auteurs : M. Stoica, Auteur ; M. Bruma, Auteur ; G. Cârâc, Auteur Année de publication : 2011 Article en page(s) : pp. 1017–1025 Note générale : Génie mécanique Langues : Anglais (eng) Mots-clés : Corrosion rate  disinfectant  fungal suspensions  polarization curves  stainless steel Résumé : The effect of fungal suspensions on the disinfectant solution (Actisept with sodium dichloroisocyanurate as active substance, which releases 140 ppm active chlorine) and the corrosion behavior of type AISI 304 stainless steel (SS) were evaluated through linear polarization. The work presents a study of biocide Actisept solution as reference solution and the mixed solutions: reference biocide Actisept solution with three fungal suspensions (10 vol%), Aspergillus niger, Candida mycoderma, and Saccharomyces cerevisiae. The fungal suspension has an important influence on the synergistic effect of the SS corrosion in the following order: Saccharomyces cerevisiae > Candida mycoderma > Aspergillus niger. The Ecorr values from the mixed solutions decreased with immersion time of the samples. In the case of Aspergillus niger, the corrosion rate was lower than that of any other type of fungal suspension tested, because the arrangement in solutions, the size and composition of Aspergillus niger spores were more favorable to protect the spores of the chemical and the electrical stressing. The results showed that there is a synergistic effect between the active substances from the disinfectant, fungal suspensions and applied potential, thus this effect can be taken into consideration for the hygienic and safety food industry. En ligne : http://onlinelibrary.wiley.com/doi/10.1002/maco.201005809/abstract [article] Electrochemical study of AISI 304 stainless steel during the exposure at the disinfectant solutions with fungal suspensions [texte imprimé] / M. Stoica, Auteur ; M. Bruma, Auteur ; G. Cârâc, Auteur . - 2011 . - pp. 1017–1025. Génie mécanique Langues : Anglais (eng) in Materials and corrosion > Vol. 61 N° 12 (Décembre 2010) . - pp. 1017–1025 Mots-clés : Corrosion rate  disinfectant  fungal suspensions  polarization curves  stainless steel Résumé : The effect of fungal suspensions on the disinfectant solution (Actisept with sodium dichloroisocyanurate as active substance, which releases 140 ppm active chlorine) and the corrosion behavior of type AISI 304 stainless steel (SS) were evaluated through linear polarization. The work presents a study of biocide Actisept solution as reference solution and the mixed solutions: reference biocide Actisept solution with three fungal suspensions (10 vol%), Aspergillus niger, Candida mycoderma, and Saccharomyces cerevisiae. The fungal suspension has an important influence on the synergistic effect of the SS corrosion in the following order: Saccharomyces cerevisiae > Candida mycoderma > Aspergillus niger. The Ecorr values from the mixed solutions decreased with immersion time of the samples. In the case of Aspergillus niger, the corrosion rate was lower than that of any other type of fungal suspension tested, because the arrangement in solutions, the size and composition of Aspergillus niger spores were more favorable to protect the spores of the chemical and the electrical stressing. The results showed that there is a synergistic effect between the active substances from the disinfectant, fungal suspensions and applied potential, thus this effect can be taken into consideration for the hygienic and safety food industry. En ligne : http://onlinelibrary.wiley.com/doi/10.1002/maco.201005809/abstract

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