Detecting Microbially Induced Calcium Carbonate Precipitation in Porous Systems Using Low-Field Nuclear Magnetic Resonance Relaxometry

Thrane, Linn W.; Thane, Abby; Kirkland, Catherine M.; McCarney, Evan R.; Dykstra, Robin; Codd, Sarah L.; Phillips, Adrienne J.

doi:10.1061/(asce)gt.1943-5606.0002226

Cited by 10 publications

(2 citation statements)

References 38 publications

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“…(negative control) ( Table 1 ). An S. pasteurii (ATCC 11859) starter culture was prepared in brain heart infusion (BHI) and precipitation was promoted using calcium mineralizing medium (CMM) as described in past studies [ 29 , 30 ].…”

Section: Methodsmentioning

confidence: 99%

Biomineralization of Plastic Waste to Improve the Strength of Plastic-Reinforced Cement Mortar

et al. 2021

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The development of methods to reuse large volumes of plastic waste is essential to curb the environmental impact of plastic pollution. Plastic-reinforced cementitious materials (PRCs), such as plastic-reinforced mortar (PRM), may be potential avenues to productively use large quantities of low-value plastic waste. However, poor bonding between the plastic and cement matrix reduces the strength of PRCs, limiting its viable applications. In this study, calcium carbonate biomineralization techniques were applied to coat plastic waste and improved the compressive strength of PRM. Two biomineralization treatments were examined: enzymatically induced calcium carbonate precipitation (EICP) and microbially induced calcium carbonate precipitation (MICP). MICP treatment of polyethylene terephthalate (PET) resulted in PRMs with compressive strengths similar to that of plastic-free mortar and higher than the compressive strengths of PRMs with untreated or EICP-treated PET. Based on the results of this study, MICP was used to treat hard-to-recycle types 3–7 plastic waste. No plastics investigated in this study inhibited the MICP process. PRM samples with 5% MICP-treated polyvinyl chloride (PVC) and mixed type 3–7 plastic had compressive strengths similar to plastic-free mortar. These results indicate that MICP treatment can improve PRM strength and that MICP-treated PRM shows promise as a method to reuse plastic waste.

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Section: Methodsmentioning

confidence: 99%

Biomineralization of Plastic Waste to Improve the Strength of Plastic-Reinforced Cement Mortar

et al. 2021

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“…2(b). The confirmation of the exact mechanism for the specimens from different soils with various cementation levels relied on the particle scale examination techniques, such as microfluidics (Wang et al 2019b, c;Marzin et al 2020;Wang et al 2021c;Xiao et al 2021aXiao et al , 2022a, nuclear magnetic resonance (Kirkland et al 2017;Thrane et al 2020), scanning electron microscopes (DeJong et al 2006;Keykha et al 2015;Montoya and DeJong 2015;Cui et al 2017;O'Donnell et al 2017b;Lam et al 2018;He et al 2020), and X-ray computed microtomography (Armstrong and Ajo-Franklin 2011;Kirkland et al 2019). In addition, potential failure mechanisms in biotreated specimens that were subjected to external loading (e.g., compression, tension, and shearing) include CaCO 3sand interfacial fracture (DeJong et al 2010;, CaCO 3 -CaCO 3 fracture (Azadi et al 2017;Xiao et al 2021f), and sand-particle breakage (Tagliaferri et al 2011;Qian et al 2018;Xiao et al 2020a), as shown in Fig.…”

Section: Introductionmentioning

confidence: 99%

Review of Strength Improvements of Biocemented Soils

Xiao

Zaman

et al. 2022

Int. J. Geomech.

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Microbially induced calcium carbonate precipitation (MICP) has attracted great attention recently for its ability to improve the mechanical properties of soils. Calcium carbonate (CaCO 3 ) precipitates that formed at the contact points and on the surface of particles or in the pore space of soil matrixes could increase the bonding strength, friction, and interlocking resistances due to the enhancement of the interparticle bonds, particle roughness, and packing density, and therefore, greatly improve the macroscopic performances of biocemented soils that were subjected to external loading. Strength is one of the key factors when determining the application of biotreatments in geotechnical engineering during the construction and operation periods. This study presented a systematic, objective, and extensive review of the strength of biocemented soils that was based on previous research. The improvement characteristics were comprehensively investigated under compression, tension, and static and cyclic shear conditions, for unconfined compressive (UCS), splitting tensile (STS), yielding, shear, and cyclic resistance strengths. Particle scale regimes were elaborated to interpret the improvement mechanism in the biotreatment and failure modes in biocemented specimens under external loading. Furthermore, the challenges of biocementation were discussed, and future investigations were envisioned.

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Beyond the Surface: Non-Invasive Low-Field NMR Analysis of Microbially-Induced Calcium Carbonate Precipitation in Shale Fractures

Willett,

Bedey,

Crandall

et al. 2024

Rock Mech Rock Eng

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Microbially-induced calcium carbonate precipitation (MICP) is a biological process in which microbially-produced urease enzymes convert urea and calcium into solid calcium carbonate (CaCO3) deposits. MICP has been demonstrated to reduce permeability in shale fractures under elevated pressures, raising the possibility of applying this technology to enhance shale reservoir storage safety. For this and other applications to become a reality, non-invasive tools are needed to determine how effectively MICP seals shale fractures at subsurface temperatures. In this study, two different MICP strategies were tested on 2.54 cm diameter and 5.08 cm long shale cores with a single fracture at 60 ℃. Flow-through, pulsed-flow MICP-treatment was repeatedly applied to Marcellus shale fractures with and without sand (“proppant”) until reaching approximately four orders of magnitude reduction in apparent permeability, while a single application of polymer-based “immersion” MICP-treatment was applied to an Eagle Ford shale fracture with proppant. Low-field nuclear magnetic resonance (LF-NMR) and X-Ray computed microtomography (micro-CT) techniques were used to assess the degree of biomineralization. With the flow-through approach, these tools revealed that while CaCO3 precipitation occurred throughout the fracture, there was preferential precipitation around proppant. Without proppant, the same approach led to premature sealing at the inlet side of the core. In contrast, immersion MICP-treatment sealed off the fracture edges and showed less mineral precipitation overall. This study highlights the use of LF-NMR relaxometry in characterizing fracture sealing and can help guide NMR logging tools in subsurface remediation efforts.

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Detecting Microbially Induced Calcium Carbonate Precipitation in Porous Systems Using Low-Field Nuclear Magnetic Resonance Relaxometry

Cited by 10 publications

References 38 publications

Biomineralization of Plastic Waste to Improve the Strength of Plastic-Reinforced Cement Mortar

Biomineralization of Plastic Waste to Improve the Strength of Plastic-Reinforced Cement Mortar

Review of Strength Improvements of Biocemented Soils

Beyond the Surface: Non-Invasive Low-Field NMR Analysis of Microbially-Induced Calcium Carbonate Precipitation in Shale Fractures

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