Výsledky vyhledávání

Anaerobic degradation of 1,2-dichloropropane in batch and continuous culture

Autor: R. Hauck, W. Hegemann

Publikováno v: Water Science and Technology. 41:7-13

Microbial degradation of 1,2-dichloropropane (DCP) was studied in a laboratory scale continuous flow fluidized bed reactor using polyurethane foam cubes as a carrier for the mixed culture. The anaerobic enrichment culture derived from Saale River sed

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fb9f26d0e69ad81ef8b0d1ccf5ea8de1
https://doi.org/10.2166/wst.2000.0229

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Abbau von Monochlornitrobenzolen durchPseudomonas acidovorans CA50

Autor: W. Hegemann, A. Kuhlmann

Publikováno v: Acta Hydrochimica et Hydrobiologica. 25:298-305

Mit der Reinkultur Pseudomonas acidovorans CA50 wurden aerobe Batch-Versuche zum Abbau von Monochlornitrobenzolen (CNB) durchgefuhrt. Die Monochlornitrobenzole wurden zu den entsprechenden Chloranilinen (CA) reduziert. Die Reduktion erfolgte nur mit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f98101a4af2932503fb4515602eb619b
https://doi.org/10.1002/aheh.19970250603

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Total reductive dechlorination of chlorobenzenes to benzene by a methanogenic mixed culture enriched from Saale river sediment

Autor: H.-J. Stan, W. Hegemann, N. H. Kirsch, J. Nowak

Publikováno v: Applied Microbiology and Biotechnology. 45:700-709

A methanogenic mixed culture enriched from Saale river sediment was able to transform all chlorobenzenes by reductive dechlorination via monochlorobenzene to unsubstituted benzene after a short lag phase of only 1 week. The formation of benzene was c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::82f5c15fce83bc7836c796685d9577e5
https://doi.org/10.1007/s002530050751

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Enhanced degradation of chlorinated ethylenes in groundwater from a paint contaminated site by two-stage fluidized-bed reactor

Autor: Yong Keun Chang, C.-R. Yin, K. Ohlen, W. Hegemann, Sung-Taik Lee

Publikováno v: Chemosphere. 58(3)

Groundwater, used in this study, contaminated predominantly with aromatic compounds, was biologically treated in a fluidized-bed reactor (FBR) with immobilized cells. The aromatics were completely decomposed, while cis-1,2-dichloroethylene (cis-DCE)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::64a484b173c778fdf09c8355407a7893
https://pubmed.ncbi.nlm.nih.gov/15581940

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Renewable energy for the aeration of wastewater ponds

Autor: I, Hobus, W, Hegemann

Publikováno v: Water science and technology : a journal of the International Association on Water Pollution Research. 48(2)

The application of a decentralised renewable energy supply for the aeration of wastewater ponds, and the influence of an unsteady oxygen supply on the specific conversion rate and biocoenose was investigated. With the discontinuous aeration the speci

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::43a2d0fe512f8b513b7332cb0d562b27
https://pubmed.ncbi.nlm.nih.gov/14510232

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Combined denitrification and excess biological phosphorus removal in discontinuous operated biofilm systems

Autor: D, Brandt, C, Sieker, W, Hegemann

Publikováno v: Water science and technology : a journal of the International Association on Water Pollution Research. 46(4-5)

The sorption-denitrification-P-removal (S-DN-P) process combines biological excess P-removal (BEPR) and denitrification using immobilized biomass. The accumulation of denitrifying polyP organisms is achieved by sequencing anaerobic/anoxic conditions.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::0ee084b329910c91781d13c7754b3e33
https://pubmed.ncbi.nlm.nih.gov/12361010

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Upgrading wastewater treatment plants

Autor: W, Hegemann

Publikováno v: Schriftenreihe des Vereins fur Wasser-, Boden- und Lufthygiene. 105

Instead of construction of new wastewater treatment plants upgrading of existing plants may increase capacity or achieve higher efficiency in meeting effluent standards. This paper describes several possibilities of upgrading existing technical waste

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::3fd27b9d02083ec52b40ea430e3c00d1
https://pubmed.ncbi.nlm.nih.gov/10842829

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