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首页> 外文期刊>International Biodeterioration & Biodegradation >A green biocide enhancer for the treatment of sulfate-reducing bacteria (SRB) biofilms on carbon steel surfaces using glutaraldehyde
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A green biocide enhancer for the treatment of sulfate-reducing bacteria (SRB) biofilms on carbon steel surfaces using glutaraldehyde

机译：一种绿色杀菌剂增强剂，用于使用戊二醛处理碳钢表面上的硫酸盐还原细菌（SRB）生物膜

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Generally speaking, a much higher concentration of biocide is needed to treat biofilms compared to the dosage used to for planktonic bacteria. With increasing restrictions of environmental regulations and safety concerns on large-scale biocide uses such as oil field applications, it is highly desirable to make more effective use of biocides. In this paper a green biocide enhancer ethylenediaminedisuccinate (EDDS) that is a biodegradable chelator, was found to enhance the efficacy of glutaraldehyde in its treatment of sulfate-reducing bacteria (SRB) biofilms. Experiments were carried out in 100 ml anaerobic vials with carbon steel coupons. The ATCC 14563 strain of Desulfovibrio desulfuricans was used. Biofilms on coupon surfaces were visualized using scanning electron microscopy (SEM). Experimental results showed that EDDS reduced the glutaraldehyde dosages considerably in the inhibition of SRB biofilm establishment and the treatment of established biofilms on carbon steel coupon surfaces.
机译：一般而言，与用于浮游细菌的剂量相比，处理生物膜需要更高浓度的杀菌剂。随着环境法规的限制和对大规模杀生物剂用途（例如油田应用）的安全性关注，迫切需要更有效地使用杀生物剂。在本文中，发现一种绿色的杀菌剂增强剂乙二胺二琥珀酸酯（EDDS）是一种可生物降解的螯合剂，可增强戊二醛治疗硫酸盐还原细菌（SRB）生物膜的功效。实验是在带有碳钢试样的100 ml厌氧小瓶中进行的。使用了脱硫脱硫弧菌的ATCC 14563菌株。使用扫描电子显微镜（SEM）观察试样表面的生物膜。实验结果表明，EDDS可以显着降低戊二醛的剂量，从而抑制SRB生物膜的形成并处理碳钢试样表面上已建立的生物膜。

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