Effect of surface characteristics of carbon fiber on immobilization of facultative and anaerobic aerobes

Chin J Mater Res

2004, Vol. 18

Issue (1): 60-60 DOI:

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Effect of surface characteristics of carbon fiber on immobilization of facultative and anaerobic aerobes

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北京化工大学材料科学与工程学院

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;. Effect of surface characteristics of carbon fiber on immobilization of facultative and anaerobic aerobes. Chin J Mater Res, 2004, 18(1): 60-60.

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Abstract Different oxygenic functional groups and their content on the surface of CF influence distinctly average thickness of immobilized biofilm. Proper content of surface oxygenic functional groups and proper moisture, obtained by modifying the surface of polyacrylonitrile(PAN)-CF, are beneficial to immobinization of by denitrifying microorganism. Anaerobic methane bacteria can immobilize the surface of CF easier compared to the surface of plastics with similar moisture. And with the increase in element content of nitrgen and oxygen on th e surface of CF, its moisture increases and immobilized ability for methane bacteria weakens. The experiment showes that PAN-based high strength CF modified by air of high temperature is a kind of high quality carrier with good biocompatibility, highly immobilized ability and resisting chemical erosion, decomposition of microorganism and strong hydraulic impaction for denitrifying biofilm. PAN-based high strength CF, however, which hasn't be treated, is a high quality carrier for anaerobic methane bacteria.

Key words: inorganic non-metallic materials carbon fiber(CF) surface functional groups biofilm immobilization

Received: 08 September 2003

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