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Sulfate-Reducing Bacteria Isolated from an Oil Field in Kazakhstan and a Description of sp. nov.
Microorganisms
December 2024
Winogradsky Institute of Microbiology, Research Center of Biotechnology, Russian Academy of Sciences, Moscow 119071, Russia.
Sulfidogenic bacteria cause numerous issues in the oil industry since they produce sulfide, corroding steel equipment, reducing oil quality, and worsening the environmental conditions in oil fields. The purpose of this work was to isolate and taxonomically identify the sulfidogenic bacteria responsible for the corrosion of steel equipment at the Karazhanbas oil field (Kazakhstan). In this study, we characterized five sulfidogenic strains of the genera , , and isolated from the formation water of the Karazhanbas oil field (Kazakhstan).
View Article and Find Full Text PDFMicrobial Corrosion of Copper Under Conditions Simulating Deep Radioactive Waste Disposal.
Biology (Basel)
December 2024
Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 119071 Moscow, Russia.
This paper presents the results of microbial corrosion tests on M0-grade copper under conditions simulating a geological repository for radioactive waste at the Yeniseisky site (Krasnoyarsk Krai, Russia). The work used a microbial community sampled from a depth of 450 m and stimulated with glucose, hydrogen and sulfate under anaerobic conditions. It was shown that the maximum corrosion rate, reaching 9.
View Article and Find Full Text PDFEnhanced visible-light-driven photocatalytic antibacterial activity by in-situ synthesized NH-MIL-101(Al)/AgI heterojunction and mechanism insight.
Environ Res
December 2024
Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao, 266100, China. Electronic address:
Photocatalytic antibacterial technology has the potential to prevent the formation of biofilms and microbial corrosion of metals by rapidly eliminating microorganisms in a short period. In this study, novel NH-MIL-101(Al)/AgI is in-situ synthesized at ambient temperature, revealing enhanced photocatalytic antibacterial activity and cyclic stability in seawater. A low dosage of 0.
View Article and Find Full Text PDFCorrosion Characteristics of Typical Gangue Minerals in Biometallurgical Systems.
Appl Biochem Biotechnol
December 2024
School of Metallurgy, Northeastern University, Shenyang, China.
Electrochemical and shake flask tests were used to examine the corrosion characteristics of typical gangue minerals in biometallurgical systems and their impact on microbial communities. The results show that the solubility order of the three gangue minerals is feldspar, mica, and quartz in descending order. Their corrosion processes are mainly controlled by cathodic electron-donating processes.
View Article and Find Full Text PDFAdvances in the Mitigation of Microbiologically Influenced Concrete Corrosion: A Snapshot.
Materials (Basel)
November 2024
Bundesanstalt für Materialforschung und Prüfung (BAM), Unter den Eichen 87, 12205 Berlin, Germany.
Concrete, a versatile construction material, faces pervasive deterioration due to microbiologically influenced corrosion (MIC) in various applications, including sewer systems, marine engineering, and buildings. MIC is initiated by microbial activities such as involving sulfate-reducing bacteria (SRB), sulfur-oxidizing bacteria (SOB), etc., producing corrosive substances like sulfuric acid.
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