Effect of bio-charcoal on the trans of polycyclic aromatic hydrocarbons in soil-plant system with composted sludge application
The effects of bio-charcoal acted as sludge-composting additive on soil characteristics and plant growth were studied. Compared with the treatment of composted sludge without bio-charcoal, soil cation exchange capacity in treatment of composted sludge with bio-charcoal increased over 5% and 10% respectively and soil nitrogen content increased 13% and 18% respectively for two kind soils. The composted sludge with bio-charcoal also resulted in 23% higher enhancement on ryegrass biomass and 8%-10% higher enhancement on ryegrass chlorophyll content. In addition, with the amendment of bio-charcoal, the bioavailability of polycyclic aromatic hydrocarbons (PAHs) in composted sludge was decreased, which resulted in the lower absorption and accumulation of ryegrass to PAHs. Compared with the control, the PAHs concentration in ryegrass amended composted sludge with bio-charcoal decreased 27%-34%. The results indicated that composted sludge with bio-charcoal resulted in much more improvement on the plant growth as well as less negative effect on environment. Therefore, biocharcoal was in favor of the safe land application of sewage sludge.
| Medienart: |
Artikel |
|---|
| Erscheinungsjahr: |
2009 |
|---|---|
| Erschienen: |
2009 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:30 |
|---|---|
| Enthalten in: |
Huan jing ke xue= Huanjing kexue - 30(2009), 8 vom: 15. Aug., Seite 2419-24 |
| Sprache: |
Chinesisch |
|---|
| Beteiligte Personen: |
Hua, Li [VerfasserIn] |
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| Themen: |
16291-96-6 |
|---|
| Anmerkungen: |
Date Completed 29.09.2010 Date Revised 16.11.2017 published: Print Citation Status MEDLINE |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM19177975X |
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| 100 | 1 | |a Hua, Li |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Effect of bio-charcoal on the trans of polycyclic aromatic hydrocarbons in soil-plant system with composted sludge application |
| 264 | 1 | |c 2009 | |
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| 500 | |a Date Completed 29.09.2010 | ||
| 500 | |a Date Revised 16.11.2017 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a The effects of bio-charcoal acted as sludge-composting additive on soil characteristics and plant growth were studied. Compared with the treatment of composted sludge without bio-charcoal, soil cation exchange capacity in treatment of composted sludge with bio-charcoal increased over 5% and 10% respectively and soil nitrogen content increased 13% and 18% respectively for two kind soils. The composted sludge with bio-charcoal also resulted in 23% higher enhancement on ryegrass biomass and 8%-10% higher enhancement on ryegrass chlorophyll content. In addition, with the amendment of bio-charcoal, the bioavailability of polycyclic aromatic hydrocarbons (PAHs) in composted sludge was decreased, which resulted in the lower absorption and accumulation of ryegrass to PAHs. Compared with the control, the PAHs concentration in ryegrass amended composted sludge with bio-charcoal decreased 27%-34%. The results indicated that composted sludge with bio-charcoal resulted in much more improvement on the plant growth as well as less negative effect on environment. Therefore, biocharcoal was in favor of the safe land application of sewage sludge | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 7 | |a Fertilizers |2 NLM | |
| 650 | 7 | |a Polycyclic Aromatic Hydrocarbons |2 NLM | |
| 650 | 7 | |a Sewage |2 NLM | |
| 650 | 7 | |a Soil |2 NLM | |
| 650 | 7 | |a Soil Pollutants |2 NLM | |
| 650 | 7 | |a Charcoal |2 NLM | |
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| 700 | 1 | |a Chen, Ying-xu |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, Wei-xiang |e verfasserin |4 aut | |
| 700 | 1 | |a Ma, Hong-rui |e verfasserin |4 aut | |
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