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Thermal Properties of Bio-Cemented Sand
A series of thermal experiments was conducted to investigate the effect of ureolysis-driven calcite precipitation technique using the ureolytic bacterium Sporosarcina pasteurii on thermal properties of bio-cemented sand. The sand used in this study was Ottawa F-65 sand and thermal properties of the sand were measured using a TR-3 sensor connected to a portable, battery-operated thermal properties analyzer. The effects of different injection methods of the injected fluids on the efficiency of calcium carbonate precipitation and the uniformity of bio-cementation through the soil specimen were investigated. The amount of urea hydrolyzed, and the amount of calcium precipitated were determined using the modified colorimetric Jung assay and calcium assay, respectively. Calcium concentration along the bio-cemented soil column was determined using acid washing method followed by use of a colorimetric calcium assay. Thermal conductivity measurements were used to evaluate the changes as mineral develops in time.
Thermal Properties of Bio-Cemented Sand
A series of thermal experiments was conducted to investigate the effect of ureolysis-driven calcite precipitation technique using the ureolytic bacterium Sporosarcina pasteurii on thermal properties of bio-cemented sand. The sand used in this study was Ottawa F-65 sand and thermal properties of the sand were measured using a TR-3 sensor connected to a portable, battery-operated thermal properties analyzer. The effects of different injection methods of the injected fluids on the efficiency of calcium carbonate precipitation and the uniformity of bio-cementation through the soil specimen were investigated. The amount of urea hydrolyzed, and the amount of calcium precipitated were determined using the modified colorimetric Jung assay and calcium assay, respectively. Calcium concentration along the bio-cemented soil column was determined using acid washing method followed by use of a colorimetric calcium assay. Thermal conductivity measurements were used to evaluate the changes as mineral develops in time.
Thermal Properties of Bio-Cemented Sand
Gunyol, Pinar (author) / Khosravi, Mohammad (author) / Phillips, Adrienne (author) / Plymesser, Kathryn (author)
Geo-Congress 2022 ; 2022 ; Charlotte, North Carolina
Geo-Congress 2022 ; 356-364
2022-03-17
Conference paper
Electronic Resource
English
Thermal Properties of Bio-Cemented Sand
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