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化工进展  2015 

Ni-P化学镀层表面黏液形成菌微生物污垢特性

DOI: 10.16085/j.issn.1000-6613.2015.11.043, PP. 4089-4095

Keywords: 化学镀Ni-P,微生物污垢,黏液形成菌,抗垢性,耐蚀性

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Abstract:

为了研究化学镀Ni-P换热器上黏液形成菌微生物污垢的特性,利用化学镀Ni-P的方式对低碳钢表面进行改性。采用微生物污垢对比实验,对低碳钢片和具有Ni-P镀层低碳钢片拍摄扫描电镜图,利用称重法记录污垢变化情况和光电比浊法记录黏液形成菌的数量变化情况。结果表明,Ni-P镀层表面形貌明显好于低碳钢;Ni-P镀层相比于碳钢具有很好的耐蚀性和抗微生物污垢特性;黏液形成菌生长繁殖旺盛和细菌代谢产物多时,微生物污垢的形成就快。相反,微生物污垢形成就慢。

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