Influence of consortium culture and mixed culture on carbon steel corrosion in B30 storage system

IF 5.4 2区医学 Q1 BIOPHYSICS

Colloids and Surfaces B: Biointerfaces Pub Date : 2025-02-21 DOI:10.1016/j.colsurfb.2025.114587

Ardiyan Harimawan, Hary Devianto, Byan Baihaqi, Nilam Khairon Nisa, Christian Aslan

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引用次数: 0

Abstract

B30, which consisted of 30 %-v biodiesel and 70 %-v petrodiesel, is a renewable fuel that is being developed in Indonesia. In the B30 storage system, microbes utilize B30 and cause corrosion of carbon steel. This research aims to compare the interaction effect of consortium culture (S. marcescens – B. megaterium and S. marcescens – B. licheniformis) and mixed culture on the corrosion of carbon steel in the B30 storage system. The experiment was carried out by immersing carbon steel ST-37 specimens in B30 test medium for 21 days. Sample testing and analysis includes the number of microbial colonies, chemical bonds of biofilm composition, morphology of biofilms and metal surfaces, corrosion rate and corrosion products. The results shows that antagonistic interactions occurred in the consortium culture, resulting in the decrease of corrosion rate. Meanwhile, synergistic interaction occurred between the microbes in the mixed culture, resulting in higher corrosion rate. The corrosion mechanism that occurs in consortium culture and mixed culture involves the same electrochemical reactions.

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B30 由 30%-v 生物柴油和 70%-v 汽油组成，是印度尼西亚正在开发的一种可再生燃料。在 B30 储存系统中，微生物利用 B30 导致碳钢腐蚀。本研究旨在比较联合培养（S. marcescens - B. megaterium 和 S. marcescens - B. licheniformis）和混合培养对 B30 储藏系统中碳钢腐蚀的交互影响。实验方法是将碳钢 ST-37 试样在 B30 试验培养基中浸泡 21 天。样品测试和分析包括微生物菌落数量、生物膜成分的化学键、生物膜和金属表面的形态、腐蚀速率和腐蚀产物。结果表明，联合体培养中出现了拮抗作用，导致腐蚀速率降低。同时，混合培养中微生物之间发生了协同作用，导致腐蚀速率提高。联合培养物和混合培养物的腐蚀机理涉及相同的电化学反应。

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来源期刊

Colloids and Surfaces B: Biointerfaces 生物-材料科学：生物材料

CiteScore

11.10

自引率

3.40%

发文量

730

审稿时长

42 days

期刊介绍： Colloids and Surfaces B: Biointerfaces is an international journal devoted to fundamental and applied research on colloid and interfacial phenomena in relation to systems of biological origin, having particular relevance to the medical, pharmaceutical, biotechnological, food and cosmetic fields. Submissions that: (1) deal solely with biological phenomena and do not describe the physico-chemical or colloid-chemical background and/or mechanism of the phenomena, and (2) deal solely with colloid/interfacial phenomena and do not have appropriate biological content or relevance, are outside the scope of the journal and will not be considered for publication. The journal publishes regular research papers, reviews, short communications and invited perspective articles, called BioInterface Perspectives. The BioInterface Perspective provide researchers the opportunity to review their own work, as well as provide insight into the work of others that inspired and influenced the author. Regular articles should have a maximum total length of 6,000 words. In addition, a (combined) maximum of 8 normal-sized figures and/or tables is allowed (so for instance 3 tables and 5 figures). For multiple-panel figures each set of two panels equates to one figure. Short communications should not exceed half of the above. It is required to give on the article cover page a short statistical summary of the article listing the total number of words and tables/figures.