Nutrient transformation during aerobic composting of pig manure with biochar prepared at different temperatures

The effects of the corn stalk charred biomass (CB) prepared at different pyrolysis temperatures as additives on nutrient transformation during aerobic composting of pig manure were investigated. The results showed that the addition of CB carbonized at different temperatures to pig manure compost sig...

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Veröffentlicht in:Environmental technology. - 1998. - 36(2015), 5-8 vom: 03. März, Seite 815-26
1. Verfasser: Li, Ronghua (VerfasserIn)
Weitere Verfasser: Wang, Quan, Zhang, Zengqiang, Zhang, Guangjie, Li, Zhonghong, Wang, Li, Zheng, Jianzhong
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Environmental technology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't biochar carbonized temperature compost nutrient transformation pig manure Manure Nitrogen Compounds Soil mehr... Charcoal 16291-96-6 Copper 789U1901C5 Pentetic Acid 7A314HQM0I Zinc J41CSQ7QDS
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245 1 0 |a Nutrient transformation during aerobic composting of pig manure with biochar prepared at different temperatures 
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520 |a The effects of the corn stalk charred biomass (CB) prepared at different pyrolysis temperatures as additives on nutrient transformation during aerobic composting of pig manure were investigated. The results showed that the addition of CB carbonized at different temperatures to pig manure compost significantly influenced the compost temperature, moisture, pH, electrical conductivity, organic matter degradation, total nitrogen, [Formula: see text] and NH3 variations during composting. Compared with control and adding CB charred at lower temperature treatments, the addition of CB prepared over 700°C resulted in higher pH (over 9.2) and NH3 emission and lower potherb mustard seed germination index value during the thermophilic phase. Peak temperatures of composts appeared at 7 days for control and 11 days for CB added treatments. During 90 days composting, the organic matter degradation could be increased over 14.8-29.6% after adding of CB in the compost mixture. The introduction of CB in pig manure could prolong the thermophilic phase, inhibit moisture reduce, facilitate the organic matter decomposition, reduce diethylene triamine pentaacetic acid (DTPA) extractable Zn and Cu contents in pig manure composts and increase ryegrass growth. The study indicated that the corn stalk CB prepared around 500°C was a suitable additive in pig manure composting 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a biochar 
650 4 |a carbonized temperature 
650 4 |a compost 
650 4 |a nutrient transformation 
650 4 |a pig manure 
650 7 |a Manure  |2 NLM 
650 7 |a Nitrogen Compounds  |2 NLM 
650 7 |a Soil  |2 NLM 
650 7 |a biochar  |2 NLM 
650 7 |a Charcoal  |2 NLM 
650 7 |a 16291-96-6  |2 NLM 
650 7 |a Copper  |2 NLM 
650 7 |a 789U1901C5  |2 NLM 
650 7 |a Pentetic Acid  |2 NLM 
650 7 |a 7A314HQM0I  |2 NLM 
650 7 |a Zinc  |2 NLM 
650 7 |a J41CSQ7QDS  |2 NLM 
700 1 |a Wang, Quan  |e verfasserin  |4 aut 
700 1 |a Zhang, Zengqiang  |e verfasserin  |4 aut 
700 1 |a Zhang, Guangjie  |e verfasserin  |4 aut 
700 1 |a Li, Zhonghong  |e verfasserin  |4 aut 
700 1 |a Wang, Li  |e verfasserin  |4 aut 
700 1 |a Zheng, Jianzhong  |e verfasserin  |4 aut 
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