BIOREMEDIATION OF Cr(VI) CONTAMINATED SOIL AND AQUIFERS

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Variation of Cr (VI) concentration with respect to time in wells 11 – 14 (molasses as carbon source) 150 Cr(Vl) concentration for well 11,12,13 and 14 125 well 11 Cr(VI) , mg/L 100 75 50 T well 12 well 13 well 14 25 0 0 20 40 60 80 100 Time,d
COD Variation in various wells COD for wells 1 and 2 COD for wells 3,4 ,5 and 6 cod(mg/l) 1400 1200 1000 800 600 400 w ell 1 w ell 2 cod(mg/l) 90000 80000 70000 60000 50000 40000 30000 w ell 3 w ell 4 w ell 5 w ell 6 200 20000 0 10000 0 20 40 60 80 100 0 Time(d) 0 20 40 60 80 100 Time(d) COD for wells 7,8,9 and 10 4500 4000 2500 Cod for wells 11,12,13 and14 cod(mg/l) 3500 3000 2500 2000 1500 well 7 well 8 well 9 well 10 cod(mg/l) 2000 1500 1000 well 11 well 12 well 13 well 14 1000 500 500 0 -10 10 30 50 70 90 110 130 time(d) 0 0 20 40 60 80 100 120 140 Time(d)
Page 1 and 2:
BIOREMEDIATION OF Cr(VI) CONTAMINAT
Page 3 and 4:
Prof. Ligy Philip Prof. B.S. Murty
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: Cr(Vl) concentration for wells 3,4
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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