HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Abstract Full Text Free Full Text (PDF) Free Alert me when this article is cited Alert me if a correction is posted Services Similar articles in this journal Similar articles in ISI Web of Science Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via ISI Web of Science (6) Citing Articles via Google Scholar Google Scholar Articles by Zhou, L. X. Articles by Zhan, X. H. Search for Related Content PubMed PubMed Citation Articles by Zhou, L. X. Articles by Zhan, X. H. Agricola Articles by Zhou, L. X. Articles by Zhan, X. H. Related Collections Municipal Waste Bioremediation and Biodegradation Heavy Metals Soil Pollution Soil Chemistry

Sorption and Biodegradability of Sludge Bacterial Extracellular Polymers in Soil and Their Influence on Soil Copper Behavior

College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China

View larger version (27K): [in a new window]   Fig. 1. The initial mass isotherm of sludge bacterial extracellular polymers (BEP) and dissolved organic matter (DOM) onto the Cu-contaminated sandy loam at 22°C with an equilibrium time of 2 h.

View larger version (22K): [in a new window]   Fig. 2. Degradation of sludge bacterial extracellular polymers (BEP) and dissolved organic matter (DOM) in the Cu-contaminated sandy loam under (A) aerobic and (B) anaerobic incubation at 22°C.

View larger version (21K): [in a new window]   Fig. 3. Water-soluble Cu in the Cu-contaminated soil as affected by different concentrations of sludge bacterial extracellular polymers (BEP) and dissolved organic matter (DOM).

View larger version (24K): [in a new window]   Fig. 4. The change of soluble Cu in Cu-contaminated sandy loam amended with sludge bacterial extracellular polymers (BEP) and dissolved organic matter (DOM) with the increase of (A) aerobic and (B) waterlogged incubation time.

View larger version (22K): [in a new window]   Fig. 5. The relative comparison of soluble Cu and dissolved organic carbon (DOC) levels in the soil receiving sludge (A) dissolved organic matter (DOM) and (B) bacterial extracellular polymers (BEP) as sludge DOM and BEP biodegradation under aerobic incubation conditions at 22°C.

View larger version (32K): [in a new window]   Fig. 6. The correlation between Cu dissolution from Cu-contaminated sandy loam and remaining dissolved organic carbon (DOC) in the soil under aerobic and waterlogged incubation conditions.

View larger version (19K): [in a new window]   Fig. 7. Adsorption isotherms of sludge bacterial extracellular polymers (BEP) and sludge dissolved organic matter (DOM) with Cu at pH = 5 and 25°C.