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Soil Stabilization
Soil Stabilization
Soil Reinforcement Applying MICP to improve the mechanical properties of loose sandy soil, increasing shear strength and load-bearing capacity for ground improvement.
Bio-Bricks
Bio-Bricks
Sustainable Bio-Construction Materials Developing unfired "bio-bricks" using bacteria and sand. This process eliminates the need for high-temperature kilns, significantly reducing CO2 emissions.
Coral Restoration
Coral Restoration
Artificial Reefs & Marine Restoration Utilizing the natural calcification process to create eco-friendly artificial substrates that support coral attachment and marine ecosystem recovery.
PROJECT OF 2026-2027
PROJECT OF 2026-2027
Investigation of Carbonate Precipitation by Sporosarcina pasteurii DSM33 in Saline Conditions using Oyster Shell-Derived Calcium
Investigation of Carbonate Precipitation by Sporosarcina pasteurii DSM33 in Saline Conditions using Oyster Shell-Derived Calcium
Objective
Objective
To evaluate the calcification efficiency of S. pasteurii in high-salinity environments using a sustainable calcium source extracted from discarded oyster shells, aiming to replace expensive industrial chemicals like Calcium Chloride (CaCl2).
Methodology
Methodology
Calcium Extraction: Treating waste oyster shells with acid to recover Calcium ions (Ca2+).
Bacterial Acclimatization: Culturing S. pasteurii in media with varying salinity levels (simulating seawater or saline soil).
Precipitation Test: Measuring calcite production and analyzing crystal morphology using SEM/XRD.
Significance
Significance
Waste Valorization: Transforming seafood waste into valuable construction resources.
Cost Reduction: Lowering the material cost of the MICP process.
Marine Application: Opening potential for bio-consolidation in coastal and marine environments.
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