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Welcome to CE488 Environmental Geotechnics Lecture #17 Dept. of Civil Engineering IIT Bombay Elements in water column Resuspension Flocculation Microbial Sedimentation activity Micr crobially ially Induced duced Cal Calcit ite Precip ecipit

  1. Welcome to CE488 Environmental Geotechnics Lecture #17 Dept. of Civil Engineering IIT Bombay

  2. Elements in water column Resuspension Flocculation Microbial Sedimentation activity

  3. Micr crobially ially Induced duced Cal Calcit ite Precip ecipit itatio ion • Bacteria as an enzyme producer • Urease enzyme required for improvement • Decomposition of urea (CO(NH 2 ) 2 ) Urea pH + CaCl 2 Urease enzyme Calcium Carbonate (CaCO 3 )

  4. Bi Biocem ocemen entati tion on Urea pH + Biocementation CaCl 2 Bioclogging Urease enzyme Calcium Carbonate (CaCO 3 ) 4

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