单宁酸锌(TZn)对热带海水中低碳钢防污性能的研究

IF 0.2 Q4 MULTIDISCIPLINARY SCIENCES Suranaree Journal of Science and Technology Pub Date : 2023-05-29 DOI:10.55766/sujst-2023-02-e02063
Mohammad Fakhratul Ridwan Zulkifli, W. M. N. Wan Nik, Siti Hajar Abdullah, S. Jusoh, S. Abdullah, Adi Hafizamri Ariffin
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引用次数: 0

摘要

本研究旨在探讨从红树林树皮(Rhizophora apiculata sp.)中提取的单宁作为防污剂的潜力。利用自然资源作为防污剂在工业应用中是一种环保的选择。提取的单宁在易获得的环氧涂层中配制,然后涂覆在低碳钢样品上。样品在陈令港和马朗码头海水中浸泡60天。通过抗生物膜试验方法进行筛选试验,以表征抗菌能力。单宁酸锌提取物对蜡样芽孢杆菌和沙门氏菌的IC50分别为2.6 mg/ml和28.75 mg/ml。研究发现,在陈岭港,受周围水体物理参数的影响,污垢附着更为明显。此外,在陈令港获得的重量百分比高于在马朗码头。使用数码照片和扫描电子显微镜(SEM)的表面检查显示,在没有TZn的衬底上有更密集的管虫和软体动物附着。单宁浓度越高,防污潜力越大。总之,研究结果表明,TZn作为一种防污添加剂在商业船舶涂料中具有很大的潜力。
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ANTIFOULING STUDY OF ZINC TANNATE (TZn) FOR MILD STEEL IN TROPICAL SEAWATER
This study was coordinated to investigate the potential of tannin extracted from mangrove bark (Rhizophora apiculata sp.) as an antifouling agent. Using natural resources as antifouling agents is an environmentally friendly alternative in industrial applications. Extracted tannin was formulated in a readily available epoxy coating and then coated on the mild steel samples. The samples were immersed in seawater for 60 days in Chendering Port and Marang Jetty. A screening test was performed via the anti-biofilm assay method to characterise the antimicrobial abilities. The IC50 of zinc tannate extract against Bacillus Cereus and Salmonella sp was 2.6 mg/ml and 28.75 mg/ml, respectively.  It was discovered that fouling attachment is more noticeable in Chendering Port due to the physical parameters of the surrounding waters. Furthermore, the percentage of the weight acquired at Chendering port is higher than at Marang jetty. Surface inspection using digital photographs and scanning electron microscopy (SEM) reveals a denser tubeworm and mollusc attachment on the substrate without TZn. Higher tannin concentration has resulted in greater antifouling potential. Overall, the findings implicate that TZn has great potential as an antifouling additive in commercial marine coating.
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来源期刊
Suranaree Journal of Science and Technology
Suranaree Journal of Science and Technology MULTIDISCIPLINARY SCIENCES-
CiteScore
0.30
自引率
50.00%
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0
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