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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2015.02.010
|2 doi
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|a pubmed25n0822.xml
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|a (PII)S0956-053X(15)00093-8
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Zhang, Jie
|e verfasserin
|4 aut
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|a Tracking the composition and transformation of humic and fulvic acids during vermicomposting of sewage sludge by elemental analysis and fluorescence excitation-emission matrix
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|c 2015
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 08.01.2016
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|a Date Revised 17.04.2015
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2015 Elsevier Ltd. All rights reserved.
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|a Sewage sludge (T1) and the mixture of sewage sludge and cattle dung (T2) were vermicomposted with Eisenia fetida, respectively. The transformation of humic acid (HA) and fulvic acid (FA) extracted from these two treatments were evaluated by a series of chemical and spectroscopic methods. Results indicated that the vermicomposting decreased pH, TOC, and C/N ratio, and increased EC, total extractable C, and HA contents. The FA content in treatment T1 was increased significantly, and only slight increasing was observed in treatment T2. Moreover, vermicomposting decreased H content, C/N ratio, proteinaceous and carbohydrates components, and increased the N content, C/H ratio, aromatic compounds and polycondensation structures in HA and FA. In addition, fluorescence spectra and fluorescence regional integration indicated that protein-like groups were degraded and HA compounds were formed. Furthermore, the addition of cattle dung enhanced the humification process and improved the HA quality in spite of no significant effect on the FA
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Excitation–emission matrix (EEM)
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|a Fluorescence regional integration (FRI)
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|a Fulvic acid
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|a Humic acid
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|a Sewage sludge
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|a Vermicomposting
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|a Benzopyrans
|2 NLM
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|a Humic Substances
|2 NLM
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|a Sewage
|2 NLM
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|a fulvic acid
|2 NLM
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|a XII14C5FXV
|2 NLM
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| 700 |
1 |
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|a Lv, Baoyi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xing, Meiyan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Jian
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 39(2015) vom: 04. Mai, Seite 111-8
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnas
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| 773 |
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|g volume:39
|g year:2015
|g day:04
|g month:05
|g pages:111-8
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|u http://dx.doi.org/10.1016/j.wasman.2015.02.010
|3 Volltext
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