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Degradation of PAH by white-rot fungi. Abbau von polyzyklischen aromatischen Kohlenwasserstoffen durch Weissfaeulepilze

Journal Article:

Abstract

The reports on exciting good results on degradation of xenobiotic substances by Phanaerochaete chrysosporium obtained in the early eighties in liquid cultures were confirmed for a wide spectrum of white-rot fungi under soil conditions. The substance classes which were successfully degraded were: PAH, PCB and TNT. The results obtained in the laboratory could in the case of PAH be transfered to a larger scale. The addition of known inducers of lignolytic enzymes did not increase the rate of degradation of xenobiotics of the white-rot fungi. The most critical parameter is the oxygen supply. For improving the economics of the process, cheap methods of growing the fungi were developed, such as the treatment of the substrate with detergents or the supplementing with potato pulp. These treatments have the advantage that they do not require expensive thermal activation of the substrate. Both processes provide excellent growth of the fungi without additional treatments. The at present best process for bioremediation of soils with white-rot fungi includes the following steps: liquification of the soil to a slurry, addition of the fungi together with possibly other substances e.g. tensides, solidification of the slurry by the addition of a lignocellulosic substrate which converts the slurry to  More>>
Authors:
Majcherczyk, A; [1]  Zeddel, A; [1]  Kelschebach, M; [1]  Loske, D; [1]  Huettermann, A [1] 
  1. Goettingen Univ. (Germany). Arbeitsgruppe Technische Mykologie
Publication Date:
Apr 01, 1993
Product Type:
Journal Article
Reference Number:
DE-93-0G0506; EDB-93-132367
Resource Relation:
Journal Name: Bio Engineering Forschung und Praxis; (Germany); Journal Volume: 9:2
Subject:
09 BIOMASS FUELS; 54 ENVIRONMENTAL SCIENCES; POLYCYCLIC AROMATIC HYDROCARBONS; BIODEGRADATION; BENCH-SCALE EXPERIMENTS; FIELD TESTS; FUNGI; GAS CHROMATOGRAPHY; LAND POLLUTION CONTROL; POLYCHLORINATED BIPHENYLS; AROMATICS; CHEMICAL REACTIONS; CHLORINATED AROMATIC HYDROCARBONS; CHROMATOGRAPHY; CONTROL; DECOMPOSITION; HALOGENATED AROMATIC HYDROCARBONS; HYDROCARBONS; ORGANIC CHLORINE COMPOUNDS; ORGANIC COMPOUNDS; ORGANIC HALOGEN COMPOUNDS; PLANTS; POLLUTION CONTROL; SEPARATION PROCESSES; TESTING; 090900* - Biomass Fuels- Processing- (1990-); 540220 - Environment, Terrestrial- Chemicals Monitoring & Transport- (1990-)
OSTI ID:
6118134
Country of Origin:
Germany
Language:
German
Other Identifying Numbers:
Journal ID: ISSN 0178-2029; CODEN: BENGEQ
Submitting Site:
DE
Size:
Pages: 27-31
Announcement Date:
Nov 01, 1993

Journal Article:

Citation Formats

Majcherczyk, A, Zeddel, A, Kelschebach, M, Loske, D, and Huettermann, A. Degradation of PAH by white-rot fungi. Abbau von polyzyklischen aromatischen Kohlenwasserstoffen durch Weissfaeulepilze. Germany: N. p., 1993. Web.
Majcherczyk, A, Zeddel, A, Kelschebach, M, Loske, D, & Huettermann, A. Degradation of PAH by white-rot fungi. Abbau von polyzyklischen aromatischen Kohlenwasserstoffen durch Weissfaeulepilze. Germany.
Majcherczyk, A, Zeddel, A, Kelschebach, M, Loske, D, and Huettermann, A. 1993. "Degradation of PAH by white-rot fungi. Abbau von polyzyklischen aromatischen Kohlenwasserstoffen durch Weissfaeulepilze." Germany.
@misc{etde_6118134,
title = {Degradation of PAH by white-rot fungi. Abbau von polyzyklischen aromatischen Kohlenwasserstoffen durch Weissfaeulepilze}
author = {Majcherczyk, A, Zeddel, A, Kelschebach, M, Loske, D, and Huettermann, A}
abstractNote = {The reports on exciting good results on degradation of xenobiotic substances by Phanaerochaete chrysosporium obtained in the early eighties in liquid cultures were confirmed for a wide spectrum of white-rot fungi under soil conditions. The substance classes which were successfully degraded were: PAH, PCB and TNT. The results obtained in the laboratory could in the case of PAH be transfered to a larger scale. The addition of known inducers of lignolytic enzymes did not increase the rate of degradation of xenobiotics of the white-rot fungi. The most critical parameter is the oxygen supply. For improving the economics of the process, cheap methods of growing the fungi were developed, such as the treatment of the substrate with detergents or the supplementing with potato pulp. These treatments have the advantage that they do not require expensive thermal activation of the substrate. Both processes provide excellent growth of the fungi without additional treatments. The at present best process for bioremediation of soils with white-rot fungi includes the following steps: liquification of the soil to a slurry, addition of the fungi together with possibly other substances e.g. tensides, solidification of the slurry by the addition of a lignocellulosic substrate which converts the slurry to a crumbly solid which can be well areated. The mass is then transferred to a closed container and incubated under controlled aeration. The problems being unsolved are: upscaling to the cubic meter scale, the lack of bioavailability of the xenobiotics in many soils, the lack of information about the degradation products and the most suitable way of determining the residual toxicity of the treated soils. (orig.)}
journal = {Bio Engineering Forschung und Praxis; (Germany)}
volume = {9:2}
journal type = {AC}
place = {Germany}
year = {1993}
month = {Apr}
}