carbonate precipitation
Geophysical monitoring and reactive transport modeling of ureolytically-driven calcium carbonate precipitation
... cium carbonate precipitation was enhanced 3 to 4 times by the urea addition, confirming the successful promotion of calcium carbonate precipitation processes during the ...
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Micro-continuum modelling of injection strategies for microbially induced carbonate precipitation
... 3. A.B. Cunningham, A.J. Phillips, E. Troyer, E. Lauchnor, R. Hiebert, R. Gerlach, L. Spangler, Wellbore leakage mitigation using engineered biomineralization, Energy Procedia. 63 (2014) 4612–4619. ...
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Rock fracture grouting with microbially induced carbonate precipitation
... induced carbonate precipitation has been proposed for soil stabilization, soil strengthening, and permeability reduction as an alternative to traditional cement and chemical ...calcium carbonate, ...
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ENZYME INDUCED CARBONATE PRECIPITATION COLUMNS: STRENGTH AND PERMEABILITY PROPERTIES
... Less number of research works has been done on the EICP technique. In this technique laboratory prepared urease enzyme is directly induced in the soil without cultivating it as in MICP. In 2015 Edward Kavazanjian and ...
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ENZYME INDUCED CARBONATE PRECIPITATION (EICP) COLUMNS FOR GROUND IMPROVEMENT: REVIEW PAPER
... Induced Carbonate Precipitation (EICP) technique the hydrolysis of urea is done from a solution of calcium chloride and urea with the help of urease ...Induced Carbonate Precipitation (MICP) ...
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Contributo biotecnológico do Microbially Induced Carbonate Precipitation (MICP) aplicada a construção civil
... “Microbial carbonate precipitation”, “Biomineralization, “Biodeposition”, “Bioremediation” “Bioconcrete” “Urea hydrolysis” e “Biotechnology” foram utilizadas para pesquisa deste ...
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Scour Mitigation using Microbially Induced Carbonate Precipitation.
... induced carbonate precipitation was investigated in a cubic-meter soil box for the scour mitigation and the erodibility improvement on sand at the zone near a ...
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Liquefaction Mitigation of Silty Sands with Microbial Induced Calcium Carbonate Precipitation.
... calcium carbonate precipitation (MICP) is a new, natural and sustainable soil improvement method, which can increase the shear strength and stiffness of ...
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Experimental and visual research on the microbial induced carbonate precipitation by Pseudomonas aeruginosa
... influences carbonate precipitation in super- saturated environments and the function of microbial processes during the mineralization process has been existing for a long ...calcium carbonate, ...
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'Microbial mortar'- restoration of degraded marble structures with microbially induced carbonate precipitation
... Ramachandran et al. [15] only observed carbonate precipitation close to the surface of the crack; similar observations were also made by Day et al. [16]. Zhong and Islam [19] investigated a range of filler ...
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Development of a reactive transport model for field-scale simulation of microbially induced carbonate precipitation
... induced carbonate precipitation (MICP) is a promising technique that could be used for soil stabilization, for permeability control in porous and fractured media, for sealing leaky hydrocarbon wells, and ...
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The influence of electromagnetic fields from two commercially available water-treatment devices on calcium carbonate precipitation
... calcium carbonate precipitation management include magnetic (permanent/electro- magnetic), Pulsed, Pulsed Electromagnetic Field (PEMF) technologies (Duda, Stout, & Vidic, 2011), solenoid coils, ...
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Coral Sand Solidification Test Based on Microbially Induced Carbonate Precipitation Using Ureolytic Bacteria
... With regard to the relationship of cell density to the specimen position at the end of the column test, the number of bacteria from the specimen top to bottom tended to be reduced in all cases except the 21-day time ...
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Rapid Screening of Calcium Carbonate Precipitation in the Presence of Amino Acids: Kinetics, Structure, and Composition
... calcium carbonate precipitated in the presence of selected amino acids as a model system, we use well plates as micro volume crystallizers, and an accurate liquid handling pipetting workstation for sample ...
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Effects of Ph on Calcium Carbonate Precipitation Under Magnetic Field
... magnetized sample’s. The higher the flow rate, the higher also the percentage of the increase of the relative precipitation between magnetized sample and the non- magnetized sample; just as it shows on table 1. ...
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An environmentally friendly soil improvement technology for sand and dust storms control
... of carbonate precipitation, MICP8 with high ability in producing urease enzyme is able to produce increased levels of precipitated carbonate, which corresponds to reduced fines ...
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Some current geotechnical research at Trinity College Dublin
... Active research areas/projects, including publications • Novel ground improvement techniques a Biopolymers, polyelectrolytes and microbial-induced carbonate precipitation; b Vacuum conso[r] ...
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Atmospheric CO2 sequestration in iron and steel slag: Consett, Co Durham, UK
... of carbonate precipitation from stream waters suggest that between 281 and 2890 tons of CO 2 have been sequestered since the work ’ s closure in 1980 (Table ...
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Applications of microbial processes in geotechnical engineering
... induced carbonate precipitation via ureolysis (MICP); while a comprehensive review of MICP is presented here, the developments which have been made regarding other microbial processes, including microbially ...
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A Review on Experimental Study of Bacterial based Self Healing Concrete
... Concrete is composite material composed of aggregate sand and water bonded by the cement which becomes hard in some time. Concrete is the most widely used conventional construction material which is widely used ...
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