BIOREMEDIATION OF Cr(VI) CONTAMINATED SOIL AND AQUIFERS

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<strong>BIOREMEDIATION</strong> Degradation/transformation of organic/inorganic contaminants by indigenous or inoculated micro-organisms. 1. Bio-Stimulation 2. Bio-Augmentation Types of bioremediation * In-situ bioremediation * Ex-situ bioremediation
Prof. Ligy Philip Prof. B.S. Murty Dr. R. Elangovan Dr. S. Shashidhar Research Team Mr. Shourirajan Mr. Ramakrishna Dr. J. Jeyasing Mr. Somasundaram Funding Department of Biotechnology (DBT), Govt. of India Ministry of Water Resources (MoWR), Govt. of India Central Pollution Control Board (CPCB), India
Page 1: BIOREMEDIATION OF Cr(VI) CONTAMINAT
Page 5 and 6: MOTIVATION TamilNadu Chromate Chemi
Page 7 and 8: Chromium Leachate in Ground Water
Page 9: Many Cr(VI) contaminated sites are
Page 12 and 13: Schematic Representation of a Perme
Page 14 and 15: TASKS 1 Isolation and Enrichment of
Page 16 and 17: Biotic Reduction Advantages Less co
Page 18 and 19: Mechanism of Cr(VI) Reduction by SR
Page 20 and 21: 2 BATCH STUDIES • Bio-kinetic par
Page 22 and 23: Cr(VI) Reduction in Aerobic Conditi
Page 24 and 25: Growth of CRB+IRB+SRB under Anaerob
Page 26 and 27: ⎟ ⎟ ⎟ ⎟ ⎠ ⎞ ⎜ ⎜ ⎜
Page 28 and 29: 3 BENCH SCALE STUDIES
Page 30 and 31: Inlet Reservoir Perforate plate Sam
Page 32 and 33: 25 25 Cr(VI) concentration, mg/L 20
Page 34 and 35: max max 6 2 2 1 max ] [ 1 0.63 0 0
Page 36: 4 PILOT SCALE STUDIES
Page 39 and 40: Location of Wells
Page 41 and 42: Cr (VI) Concentration after the Bio
Page 43 and 44: Cr (VI) Concentration in the Blank
Page 45 and 46: Cr (VI) Concentration in Reactor be
Page 47 and 48: MATHEMATICAL MODEL R cr ∂Cr ∂t
Page 49 and 50: Cr(VI), mg/L 1 0.9 0.8 0.7 0.6 0.5
Page 51 and 52: Cr(VI) , mg/L 300 250 200 150 100 5
Page 53 and 54:
Cr(VI) , mg/L 300 250 200 150 100 5
Page 55 and 56:
SCOPE • Remediation of at least 5
Page 57 and 58:
RESULTS Soil Remediation 312.5 kg 3
Page 59 and 60:
Remediated and un-remediated soils
Page 61 and 62:
Cr(Vl) concentration for wells 3,4
Page 63 and 64:
COD Variation in various wells COD
Page 65 and 66:
Water samples before and after Reme
Page 67 and 68:
COD values during well recovery COD
Page 69 and 70:
Bioremediation using Sugar as the C
Page 71 and 72:
Total Cr concentrations in various
Page 73 and 74:
Water samples from various wells af
Page 75 and 76:
IN THIS FIELD LEVEL STUDY, WE HAVE
Page 78 and 79:
Hydro-Geological Conditions
Page 80 and 81:
MAP OF LOHIANAGAR AND ADJOINING ARE
Page 83 and 84:
Our Research •Bioremediation of c
Page 85 and 86:
M/S FUTURA POLYESTERS, MANALI, CHEN
Page 87:
SOURCES OF PESTICIDE POLLUTION * Ag
Page 90 and 91:
Photographs of bench scale and pilo
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BIOREMEDIATION OF Cr(VI) CONTAMINATED SOIL AND AQUIFERS

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