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Sewage sludge biochar: Nutrient composition and its effect on the leaching of soil nutrients
Yuan, Haoran1,2; Lu, Tao1,2,3; Wang, Yazhuo1,2; Chen, Yong1,2; Lei, Tingzhou4
2016-04-01
发表期刊GEODERMA
卷号267页码:17-23
摘要Biochar was prepared by the pyrolysis of sewage sludge at temperatures ranging between 300 and 700 degrees C. Extraction and column leaching experiments were then conducted to investigate the amount of nitrogen (N), phosphorus (P), and potassium (K) as well as the water-soluble contents of the nutrients in the sewage sludge biochar. In addition, the retention effect of these sewage sludge biochar samples on the leaching of ammonium (NH4+), nitrate (NO3-), phosphate (PO43-), and potassium (K+) ions from Typic Plinthudult soil was determined. The higher-temperature sewage sludge biochar contained less N but more P and K, as well as less water-soluble N, and more water-soluble P and K. As nutrients were released from this sewage sludge biochar, so the nutrient value of the Typic Plinthudult soil was enhanced. Although the sewage sludge biochar produced at 300 degrees C had little effect on the retention of NO3-, the sewage sludge biochars produced at 500 and 700 degrees C reduced the Typic Plinthudult soil leaching of NE4+, NO3-, PO43-, and K+. However, this retention effect varied little when the cumulative water volume exceeded 1000 mL. Thus, adding the sewage sludge biochar to the Typic Plinthudult soil might be advantageous in retaining nutrients in the long term. (c) 2015 Elsevier B.V. All rights reserved.
文章类型Article
关键词Sewage Sludge Pyrolysis Biochar Nutrient Soil
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1016/j.geoderma.2015.12.020
研究领域[WOS]Agriculture
关键词[WOS]PYROLYSIS TEMPERATURE ; NITRATE-NITROGEN ; AMENDMENT ; REMOVAL ; MANURE ; WASTE ; AVAILABILITY ; REMEDIATION ; RETENTION ; INCREASES
收录类别SCI
语种英语
WOS类目Soil Science
WOS记录号WOS:000369473100003
引用统计
被引频次:27[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/11015
专题中国科学院广州能源研究所
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Key Lab Renewable Energy & Nat Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Henan Acad Sci, Zhengzhou 450002, Peoples R China
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GB/T 7714
Yuan, Haoran,Lu, Tao,Wang, Yazhuo,et al. Sewage sludge biochar: Nutrient composition and its effect on the leaching of soil nutrients[J]. GEODERMA,2016,267:17-23.
APA Yuan, Haoran,Lu, Tao,Wang, Yazhuo,Chen, Yong,&Lei, Tingzhou.(2016).Sewage sludge biochar: Nutrient composition and its effect on the leaching of soil nutrients.GEODERMA,267,17-23.
MLA Yuan, Haoran,et al."Sewage sludge biochar: Nutrient composition and its effect on the leaching of soil nutrients".GEODERMA 267(2016):17-23.
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