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From Oil to Physiology: Anaerobes, Hydrocarbons, Sulfur and Iron. With respect for Georgii Aleksandrovich Zavarzin. _. _. NO 3. NO 2. Microbiology. кто ? где ? как ?. S. H 2 S. CH 4. _. _. NO 3. NO 2. Microbiology. Basic + Applied. Basic. Applied. кто ? где ? как ?. S.
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From Oil to Physiology: Anaerobes, Hydrocarbons, Sulfur and Iron With respect forGeorgii Aleksandrovich Zavarzin
_ _ NO3 NO2 Microbiology кто? где? как? S H2S CH4
_ _ NO3 NO2 Microbiology Basic+Applied Basic Applied кто? где? как? S H2S CH4
_ _ NO3 NO2 Microbiology Basic+Applied Basic Applied £ ¥ кто? где? как? € Руб $ S H2S CH4
Microbiology for ... Food Water Health
Microbiology for ... Food Water Health Cu, Sn, ... Nd ... ? Raw materials Energy
C6H12O6 CH3CH2OH CH4
Average110 W / m2 Losses CH4 ≤ 1 W / m2 (Efficiency: <1%)
Sea 0.3 mM O2 28 mM SO42 SO42 H2S Pipeline SO42 H2S
Processing O i l Water From oil field
Processing H2S O i l Water From oil field
from Postgate (1984) Oil Water Water
from Postgate (1984) Oil Water Water H2S Oil Water FeS Water Fe(II)
Sea 0.3 mM O2 28 mM SO42 SO42 H2S Pipeline SO42 H2S Who causes the infection? Isolate!
Hydrocarbon-degrading microorganisms
Anoxicchamber ... helps, but not really necessary
Modified Hungate technique Cotton Liquid hydrocarbon Medium N2, CO2, etc.
Modified Hungate technique Cotton Liquid hydrocarbon Medium N2, CO2, etc.
Liquid hydrocarbon Medium Medium
Liquidenrichmentculture 106 dilution Incubation Medium with agar
N2 Liquidenrichmentculture 106 dilution Incubation What you expect Medium with agar
N2 Liquidenrichmentculture 106 dilution Incubation What you get Medium with agar
Pure cultures CO2 << NO3N2 SO42H2S
COO COO COO COO Toluene-degrading Alkane-degrading COO COO COO COO CO2 CO2 Heider & colleagues
COO COO COO COO COO COO Toluene-degrading Alkane-degrading COO COO COO COO COO COO CO2 CO2 Heider & colleagues
28 mM SO42 Millions of years ago Today
Seawater: 0.3 mM O228 mM SO42 Oil O2 20% CO2 H2O
2 SO4 Seawater: 0.3 mM O228 mM SO42 Oil O2 20% CO2 H2O Oil 20% CO2 H2S
T h a n k s t o . . . Max Planck Institute for Marine Microbiology, Bremen: Ralf Rabus (now University of Oldenburg) Aleksandr Galouchko Florin Musat Olaf Kniemeyer ... and others GeoForschungsZentrum Potsdam: Heinz Wilkes
1.4 1.2 1.0 World production 109 t a1 0.8 Fe 0.6 0.4 0.2 Al Cr Cu 0.0
Reducing ESHE Oxidizing 0 2 11 12 13 14 1 3 4 5 6 7 8 9 10 pH
1.0 0.8 Reducing 0.6 0.4 0.2 ESHE [V] 0.0 + 0.2 + 0.4 + 0.6 + 0.8 Oxidizing + 1.0 + 1.2 0 2 11 12 13 14 1 3 4 5 6 7 8 9 10 pH
1.0 Fe0 0.8 Reducing 0.6 Fe(OH)2 0.4 0.2 ESHE [V] 0.0 Fe2+ + 0.2 + 0.4 Fe(OH)3 + 0.6 + 0.8 Oxidizing + 1.0 Fe3+ + 1.2 0 2 11 12 13 14 1 3 4 5 6 7 8 9 10 pH
1.0 Fe0 0.8 Reducing 0.6 Fe(OH)2 0.4 H2O 0.2 ESHE [V] 0.0 Fe2+ + 0.2 + 0.4 Fe(OH)3 + 0.6 + 0.8 Oxidizing + 1.0 Fe3+ + 1.2 0 2 11 12 13 14 1 3 4 5 6 7 8 9 10 pH
1.0 H2 Fe0 0.8 H2 Reducing H2 0.6 Fe(OH)2 H2 0.4 H2O H2 0.2 ESHE [V] 0.0 Fe2+ + 0.2 + 0.4 Fe(OH)3 + 0.6 O2 + 0.8 Oxidizing O2 O2 + 1.0 Fe3+ O2 O2 + 1.2 0 2 11 12 13 14 1 3 4 5 6 7 8 9 10 pH
Iron Air Oil ( a n o x i c ) Water Soil Isolation: Corg , H2 CO2 2 SO4 H2S Sulfate-reducing bacteria: Desulfovibrio
a) Indirect mechanism (organotrophic) Organiccompounds CO2 SO42 H2S Fe Fe Fe Fe Fe Fe Fe Fe
a) Indirect mechanism (organotrophic) Organiccompounds CO2 SO42 H2S H2 H2 FeS H2 H2 Fe Fe Fe Fe Fe Fe Fe Fe
a) Indirect mechanism (organotrophic) 2 CH2O 2 CO2 , 2 H2O SO42 H2S H2 FeS Fe Fe Fe Fe Fe Fe Fe Fe
b) Direct mechanism (lithotrophic) 4 Fe2+ 4 Fe Fe Fe Fe 8 e Fe Fe Fe Fe