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Titolo:
Bioremediation of gasoline contaminated soil by a bacterial consortium amended with poultry litter, coir pith, and rhamnolipid biosurfactant
Autore:
Rahman, KSM; Banat, IM; Thahira, J; Thayumanavan, T; Lakshmanaperumalsamy, P;
Indirizzi:
Univ Ulster, Biotechnol Grp, Sch Environm Studies, Coleraine BT52 1SA, Londonderry, North Ireland Univ Ulster Coleraine Londonderry North Ireland BT52 1SA y, North Ireland Bharathiar Univ, Dept Environm Sci, Coimbatore 641046, Tamil Nadu, India Bharathiar Univ Coimbatore Tamil Nadu India 641046 046, Tamil Nadu, India
Titolo Testata:
BIORESOURCE TECHNOLOGY
fascicolo: 1, volume: 81, anno: 2002,
pagine: 25 - 32
SICI:
0960-8524(200201)81:1<25:BOGCSB>2.0.ZU;2-S
Fonte:
ISI
Lingua:
ENG
Soggetto:
PSEUDOMONAS-AERUGINOSA; OIL; GROWTH; BIODEGRADATION; HYDROCARBONS; SURFACTANTS;
Keywords:
bioremediation; gasoline-spilled soil; amendments; mixed consortium; poultry litter; coir pith; biosurfactant; Phaseolus aureus RoxB; plant growth parameters;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
22
Recensione:
Indirizzi per estratti:
Indirizzo: Rahman, KSM Univ Ulster, Biotechnol Grp, Sch Environm Studies, Coleraine BT52 1SA, Londonderry, North Ireland Univ Ulster Coleraine Londonderry North Ireland BT52 1SA land
Citazione:
K.S.M. Rahman et al., "Bioremediation of gasoline contaminated soil by a bacterial consortium amended with poultry litter, coir pith, and rhamnolipid biosurfactant", BIORES TECH, 81(1), 2002, pp. 25-32

Abstract

The aim of the present study was to find methods for enhancing rates of hydrocarbon biodegradation in gasoline contaminated soil by ex situ bioremediation. Red soil (RS) was treated with gasoline-spilled soil (GS) from a gasoline station and different combinations of amendments were prepared using (i) mixed bacterial consortium (MC), (ii) poultry litter (PL), (iii) coir pith (CP) and (iv) rhamnolipid biosurfactant (BS) produced by Pseudomonas sp. DS10-129. The study was conducted for a period of 90 days during which bacterial growth, hydrocarbon degradation and growth parameters of Phaseolus aureus RoxB including seed germination, chlorophyll content, shoot and rootlength were measured. Approximately 67% and 78% of the hydrocarbons were effectively degraded within 60 days in soil samples amended with RS+GS+MC+PLCP+BS at 0.1% and 1%. Maximum percentage of seed germination, shoot length, root length and chlorophyll content in P. aureus were recorded after 60 days in the above amendments. Further incubation to 90 days did not exhibit significant improvements. Statistical analysis using analysis of variance (ANOVA) and Duncan's multiple range test (DMRT) revealed that the level of amendments, incubation time and combination of amendments significantly influenced bacterial growth, hydrocarbon degradation, seed germination and chlorophyll content at a 1% probability level. All tested additives MC, PL, CP and rhamnolipid BS had significant positive effects on the bioremediation of GS. (C) 2001 Elsevier Science Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 31/03/20 alle ore 05:04:52