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Effect of inorganic additives (rock phosphate, PR and boron waste, BW) on the passivation of Cu, Zn during pig manure composting
Wang, Lixia1; Liu, Hongtao2; Prasher, Shiv O.3; Ou, Yang1; Yan, Baixing1; Zhong, Rongzhen1
2021-05-01
Source PublicationJOURNAL OF ENVIRONMENTAL MANAGEMENT
ISSN0301-4797
Volume285Pages:7
Corresponding AuthorWang, Lixia(lxwang@iga.ac.cn) ; Liu, Hongtao(liuht@iganrr.ac.cn)
AbstractThe bioavailability of heavy metals in compost is critical for their agronomic value. The effect of inorganic additives (rock phosphate, PR and boron waste, BW) on Copper (Cu) and Zinc (Zn) bioavailability during co-compost of swine manure and rice straw was assessed using sequential extraction procedure (European Community Bureau of Reference). The result showed that both additives, applied at rates of 2.5%-7.5% (w/w) could promote the change of exchangeable Cu and reducible Cu into oxidizable Cu, thereby reducing their bioavailability factor (BF) by 15.5%-47.2%. While additives provided no significant reduction in BF of Zn, the shift from exchangeable Zn into reducible Zn can still reduce the mobility of Zn. Based on redundancy analysis (RDA), organic matter (OM) and electrical conductivity (EC) were identified as the most important controlling factors for redistribution of Cu and Zn fractions during composting. The inorganic additives strengthened the passivation of Cu and Zn bioavailability by stimulating OM degradation. The 7.5% (w/w) rock phosphate showed best passivating effect on the bioavailability of Cu.
KeywordCompost Cu and Zn Passivate effect Rock phosphate Boron waste Redundancy analysis
DOI10.1016/j.jenvman.2021.112101
Indexed BySCI
Language英语
Funding ProjectStrategic Priority Research Program of the Chinese Academy Sciences[XDA23070502] ; National Key Research and Development Program of China[2018YFD0500205]
Funding OrganizationStrategic Priority Research Program of the Chinese Academy Sciences ; National Key Research and Development Program of China
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000632614300001
PublisherACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/161867
Collection中国科学院地理科学与资源研究所
Corresponding AuthorWang, Lixia; Liu, Hongtao
Affiliation1.Chinese Acad Sci, Northeast Inst Geog & Agroecol, Key Lab Wetland Ecol & Environm, Changchun 130102, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
3.McGill Univ, Bioresource Engn Dept, Macdonald Campus, Montreal, PQ H9X 3V9, Canada
Recommended Citation
GB/T 7714
Wang, Lixia,Liu, Hongtao,Prasher, Shiv O.,et al. Effect of inorganic additives (rock phosphate, PR and boron waste, BW) on the passivation of Cu, Zn during pig manure composting[J]. JOURNAL OF ENVIRONMENTAL MANAGEMENT,2021,285:7.
APA Wang, Lixia,Liu, Hongtao,Prasher, Shiv O.,Ou, Yang,Yan, Baixing,&Zhong, Rongzhen.(2021).Effect of inorganic additives (rock phosphate, PR and boron waste, BW) on the passivation of Cu, Zn during pig manure composting.JOURNAL OF ENVIRONMENTAL MANAGEMENT,285,7.
MLA Wang, Lixia,et al."Effect of inorganic additives (rock phosphate, PR and boron waste, BW) on the passivation of Cu, Zn during pig manure composting".JOURNAL OF ENVIRONMENTAL MANAGEMENT 285(2021):7.
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