Impact of colony morphologies and disinfection on biological clogging in porous media

Article Abstract:

This article examines research on biological clogging of porous media.

Ecological Sciences, Statistical Data Included, Environmental sciences

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Biologically enhanced dissolution of tetrachloroethene DNAPL

Article Abstract:

Researchers from Stanford University conducted experiments on the biological dehalogenation of saturated tetrachloroethene contamination in aquifers and its effect on other competing microorganisms.

Administration of Air and Water Resource and Solid Waste Management Programs, Industrial Organic Chemicals, Cyclic Crude and Intermediate Manufacturing, Water Pollution R&D, Olefins, Chemical industry, Water pollution research, Alkenes, Stanford University

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Competition for hydrogen within a chlorinated solvent dehalogenating anaerobic mixed culture

Article Abstract:

A study found that dehalogenators fared best in the competition for hydrogen among other microorganisms in an anaerobic mixed bacteria culture. A hydrogen threshold of 2-11 nM allowed dehalogenators to compete most successfully with Homoacetogens and methanogens. Batch studies revealed that a CSTR utililized hydrogen three times more efficiently than when batch reactors were used.

Pollution Control R&D, Pollution control research

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