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FIGURE 17.4 Geobacter sulfurreducens is the dominant metal-reducing microorganism isolated from subsurface environments and aquifers. It oxidizes aromatic hydrocarbons with Fe(III) as the electron acceptor. It can also oxidize organic pollutants while reducing other metals such as Mn(IV), U(VI), Te(VII), Co(VI), and Au(III). (Image courtesy of D. Lovely, University of Massachusetts. Reproduced from Anonymous (2003.)

TABLE 17.8 Environmental Conditions Influencing Biodegradation


Condition required for microbial activity

Optimum for oil degradation

Soil moisture

25-28% of water holding capacity


Soil pH

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Worm Farming

Worm Farming

Do You Want To Learn More About Green Living That Can Save You Money? Discover How To Create A Worm Farm From Scratch! Recycling has caught on with a more people as the years go by. Well, now theres another way to recycle that may seem unconventional at first, but it can save you money down the road.

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