Unlocking the Potential of Microbially Induced Calcium Carbonate Precipitation (MICP) for Hydrological Applications: A Review of Opportunities, Challenges, and Environmental Considerations

IF 3.1 Q2 WATER RESOURCES Hydrology Pub Date : 2023-08-26 DOI:10.3390/hydrology10090178
C. Konstantinou, Yuze Wang
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引用次数: 1

Abstract

Microbially induced calcium carbonate precipitation (MICP) is an innovative biocementation technique that facilitates the formation of calcium carbonate within a pore network. Initially gaining prominence in the field of geotechnical engineering, MICP has attracted significant attention since its inception (the last three decades) and expanded its reach across various engineering disciplines. Examples include rock mechanics, geology and the oil and gas industry fields through the generation of rock-like specimens, and plugging of fractures, in civil and architectural engineering and material science for concrete repair, protection, and for self-healing of building materials, and in environmental engineering for the study of biomimetic materials. In response to this burgeoning interest, the current paper aims to present a comprehensive review of the main biochemical mechanisms underlying MICP (bacterial ureolytic activity, reactions duration and settling times, and chemical solution properties), their direct relevance to altering hydraulic and mechanical properties, both at the microscale and macroscale responses, and the precipitation mechanisms, particularly in relation to water resources and hydrology applications. Four main categories of relevant applications are identified, namely, the groundwater and soil remediation, the applications related to the generation of a low hydraulic conductivity barrier, those related to gaining cohesion, and the applications related to fluid flow studies in artificially generated porous media. Moreover, this comprehensive review not only aims to identify the existing applications of MICP within hydrological fields but also strives to propose novel and promising applications that can further expand its utility in this domain. Along with the investigation of the potential of MICP to revolutionize water resources and hydrology, it is imperative to delve deeper into its environmental implications to ensure sustainable and ecologically responsible implementation.
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释放微生物诱导碳酸钙沉淀(MICP)在水文应用中的潜力:机遇、挑战和环境因素综述
微生物诱导碳酸钙沉淀(MICP)是一种创新的生物胶结技术,它促进了碳酸钙在孔隙网络中的形成。MICP最初在岩土工程领域获得突出地位,自成立以来(过去三十年)引起了极大的关注,并将其影响范围扩展到各个工程学科。例子包括岩石力学、地质学和石油天然气工业领域,通过生成岩石样的样品,以及裂缝的封堵,在土木和建筑工程和材料科学中用于混凝土修复、保护和建筑材料的自愈,以及在环境工程中用于仿生材料的研究。为了回应这一新兴的兴趣,本文旨在全面回顾MICP的主要生化机制(细菌尿溶活性、反应持续时间和沉淀时间以及化学溶液性质),它们与微观和宏观反应中改变水力和力学性质的直接关系,以及降水机制,特别是与水资源和水文应用有关的机制。确定了四大类相关应用,即地下水和土壤修复、与产生低水力导率屏障有关的应用、与获得粘聚有关的应用以及与人工生成多孔介质中流体流动研究有关的应用。此外,这篇全面的综述不仅旨在确定MICP在水文领域的现有应用,而且还努力提出新的和有前途的应用,可以进一步扩大其在该领域的效用。随着MICP对水资源和水文学变革潜力的调查,深入研究其环境影响以确保可持续和生态负责任的实施势在必行。
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来源期刊
Hydrology
Hydrology Earth and Planetary Sciences-Earth-Surface Processes
CiteScore
4.90
自引率
21.90%
发文量
192
审稿时长
6 weeks
期刊介绍: Journal of Hydrology publishes original research papers and comprehensive reviews in all the subfields of the hydrological sciences, including water based management and policy issues that impact on economics and society. These comprise, but are not limited to the physical, chemical, biogeochemical, stochastic and systems aspects of surface and groundwater hydrology, hydrometeorology, hydrogeology and hydrogeophysics. Relevant topics incorporating the insights and methodologies of disciplines such as climatology, water resource systems, ecohydrology, geomorphology, soil science, instrumentation and remote sensing, data and information sciences, civil and environmental engineering are within scope. Social science perspectives on hydrological problems such as resource and ecological economics, sociology, psychology and behavioural science, management and policy analysis are also invited. Multi-and interdisciplinary analyses of hydrological problems are within scope. The science published in the Journal of Hydrology is relevant to catchment scales rather than exclusively to a local scale or site. Studies focused on urban hydrological issues are included.
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