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Summary The potential of microbial degradation of PCB in contaminated actual site soil was investigated by incubation in percolation columns for 10 months. The addition of traces of mineral salts and nutrients resulted in a significant increase of the degradation of PCB congeners up to 5 Cl-atoms caused by the naturally occurring bacteria in the soil matrix. If only tap water was recycled the degree of PCB degradation was negligible. 相似文献
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Detlef Schulze Martina Menkhaus Rainer Fiebig Hanswerner Dellweg 《Applied microbiology and biotechnology》1988,29(5):506-510
Summary Anaerobic treatment of gelatine-containing model waste water and baker's yeast manufacturing effluent was investigated in upflow anaerobic sludge blanket (UASB) reactors. During start up a correlation between coenzyme F
420 content and methane production in the reactor was observed. By monitoring coenzyme F
420 concentrations a certain prediction of methanogenic activities was possible. 相似文献
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Hanswerner Kesseler 《Helgoland Marine Research》1960,7(3):114-124
Ohne Zusammenfassung(Mit 14 Abbildungen im Text)Herrn Professor Dr.A. Bückmann zum 60. Geburtstag gewidmet. 相似文献
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Hanswerner Kesseler 《Helgoland Marine Research》1962,8(2):243-256
Ohne Zusammenfassung(Mit 3 Abbildungen) 相似文献
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Summary Utilization and fermentation of xylose by the yeasts Pachysolen tannophilus I fGB 0101 and Pichia stipitis 5773 to 5776 under aerobic and anaerobic conditions are investigated. Pa. tannophilus requires biotin and thiamine for growth, whereas Pi. stipitis does not, and growth of both yeasts is stimulated by yeast extract. Pi. stipitis converts xylose (30 g/l) to ethanol under anaerobic conditions with high yields of 0,40 and it produces only low amounts of xylitol. The yield coefficient is further increased at lower xylose concentrations.Publication Nr. 2 of this series: Eur. J. Appl. Microbiol. Biotechnol. (1983) 17, 287–291. 相似文献