1
|
Guo D, Zhang Y, Dong X, Liu X, Pei Y, Duan J, Guan F. Accelerated deterioration corrosion of X70 steel by oxidation acid-producing process catalyzed by Acinetobacter soli in oil-water environment. Bioelectrochemistry 2023; 154:108539. [PMID: 37579554 DOI: 10.1016/j.bioelechem.2023.108539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 07/31/2023] [Accepted: 08/02/2023] [Indexed: 08/16/2023]
Abstract
Deterioration corrosion occurs between the external surface of oil pipelines and aerobic oil-degrading microorganisms in oil fields. Microorganisms with aerobic oil pollution remediation capabilities may catalyze more serious anaerobic microbial corrosion due to the carbon source supply. In this study, Acinetobacter soli strains were isolated from oil-contaminated environments, and their role in the deterioration corrosion behavior of X70 steel in an oil-water environment was investigated using the EDS multipoint scanning method. The presence of oil controls the deposition of carbon and phosphorus and diffusion of oxygen, leading to significant adhesion attraction and initial growth inhibition of biofilm on the metal surface. A. soli facilitates oxygen transfer and iron ion dissolution, thereby accelerating the pitting corrosion of X70 steel. This corrosion of the X70 steel, in turn, further accelerates the microbial degradation of oil, inhibiting the appearance of calcareous scale in the later stage of corrosion. The corrosion of X70 steel is influenced by microbial degradation, and the specific corrosion behaviors are related to the activity of A. soli in the petroleum environment. This study sheds light on the corrosion mechanisms of X70 steel by A. soli at different stages, providing insights into the interactions between microorganisms, oil pollution, and metal corrosion in oil fields.
Collapse
Affiliation(s)
- Ding Guo
- Key Laboratory of Marine Environmental Corrosion and Biofouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China; Pilot National Laboratory for Marine Science and Technology(Qingdao), Qingdao, China; University of Chinese Academy of Sciences, Beijing, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, China
| | - Yimeng Zhang
- Key Laboratory of Marine Environmental Corrosion and Biofouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China; Pilot National Laboratory for Marine Science and Technology(Qingdao), Qingdao, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, China.
| | - Xucheng Dong
- Key Laboratory of Marine Environmental Corrosion and Biofouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China; Pilot National Laboratory for Marine Science and Technology(Qingdao), Qingdao, China; University of Chinese Academy of Sciences, Beijing, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, China
| | - Xiangju Liu
- Key Laboratory of Marine Environmental Corrosion and Biofouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China; Pilot National Laboratory for Marine Science and Technology(Qingdao), Qingdao, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, China
| | - Yingying Pei
- Key Laboratory of Marine Environmental Corrosion and Biofouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China; Pilot National Laboratory for Marine Science and Technology(Qingdao), Qingdao, China; University of Chinese Academy of Sciences, Beijing, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, China
| | - Jizhou Duan
- Key Laboratory of Marine Environmental Corrosion and Biofouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China; Pilot National Laboratory for Marine Science and Technology(Qingdao), Qingdao, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, China.
| | - Fang Guan
- Key Laboratory of Marine Environmental Corrosion and Biofouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China; Pilot National Laboratory for Marine Science and Technology(Qingdao), Qingdao, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, China
| |
Collapse
|
2
|
Chang SY, Huang SY, Chu YR, Jian SY, Lo KY, Lee YL. Antimicrobial and Anticorrosion Activity of a Novel Composite Biocide against Mixed Bacterial Strains in Taiwanese Marine Environments. MATERIALS 2021; 14:ma14206156. [PMID: 34683748 PMCID: PMC8541478 DOI: 10.3390/ma14206156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 10/12/2021] [Accepted: 10/14/2021] [Indexed: 12/02/2022]
Abstract
Taiwan is an island with a humid subtropical climate. The relatively warm seawater results in biofouling of the surfaces of marine facilities. Biocide application is a common practice for combating and eliminating adhesive fouling. However, a single type of biocide may have limited antimicrobial effects due to the relatively high microbial diversity in marine environments. Therefore, applying a mixture of various biocides may be necessary. In this study, the antimicrobial and anticorrosion properties of a newly designed composite biocide, namely a combination of thymol and benzyldimethyldodecylammonium chloride, were investigated by applying the biocide to 304 stainless steel substrates immersed in inocula containing bacterial strains from Tamsui and Zuoying harbors. The ability of 3TB and 5TB treatments to prevent sessile cells and biofilm formation on the 304 stainless steel coupon surface was determined through scanning electron microscopy investigation. In addition, confocal laser scanning microscopy indicated that the 5TB treatment achieved a greater bactericidal effect in both the Tamsui and Zuoying inocula. Moreover, electrochemical impedance spectroscopy revealed that the diameter of the Nyquist semicircle was almost completely unaffected by Tamsui or Zuoying under the 5TB treatment. Through these assessments of antimicrobial activity and corrosion resistance, 5TB treatment was demonstrated to have superior bactericidal activity against mixed strains in both southern and northern Taiwanese marine environments.
Collapse
Affiliation(s)
- Soul-Yi Chang
- Department of Engineering Science and Ocean Engineering, National Taiwan University, Taipei City 106, Taiwan; (S.-Y.C.); (S.-Y.H.); (Y.-R.C.)
| | - Shih-Yen Huang
- Department of Engineering Science and Ocean Engineering, National Taiwan University, Taipei City 106, Taiwan; (S.-Y.C.); (S.-Y.H.); (Y.-R.C.)
| | - Yu-Ren Chu
- Department of Engineering Science and Ocean Engineering, National Taiwan University, Taipei City 106, Taiwan; (S.-Y.C.); (S.-Y.H.); (Y.-R.C.)
| | - Shun-Yi Jian
- Department of Chemical & Materials Engineering, Chung Cheng Institute of Technology, National Defense University, Taoyuan City 335, Taiwan;
| | - Kai-Yin Lo
- Department of Agricultural Chemistry, National Taiwan University, Taipei City 106, Taiwan
- Correspondence: (K.-Y.L.); (Y.-L.L.)
| | - Yueh-Lien Lee
- Department of Engineering Science and Ocean Engineering, National Taiwan University, Taipei City 106, Taiwan; (S.-Y.C.); (S.-Y.H.); (Y.-R.C.)
- Correspondence: (K.-Y.L.); (Y.-L.L.)
| |
Collapse
|
3
|
Well-Doublets: A First-Order Assessment of Geothermal SedHeat Systems. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11020697] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Renewable and sustainable energy sources can play an important role in meeting the world’s energy needs and also in addressing environmental challenges such as global warming and climate change. Geothermal well-doublet systems can produce both electrical and thermal energy through extracting heat from hot-water aquifers. In this paper, we examine some potential challenges associated with the operation of well-doublet systems, including heat conductivity, chemical, and mechanical issues. In these systems, geomechanics issues such as thermal short-circuiting and induced seismicity arise from temperature and pressure change impacts on the stress state in stiff rocks and fluid flow in fractured rock masses. Coupled chemical processes also can cause fluid channeling or formation and tubular goods plugging (scaling) with precipitates. Mechanical and chemical disequilibrium conditions lead to increased production uncertainties; hence risk, and therefore coupled geo-risk assessments and optimization analyses are needed for comparative commercialization evaluations among different sites. The challenges related to heat transfer processes are also examined. These studies can help better understand the issues that may arise during the operation of geothermal well-doublet systems and improve their effectiveness, subsequently reducing associated costs and risks.
Collapse
|