Abstract：
:In this study, the co-composting performance of Zn-rich antibiotic manufacturing wastes (AMW) and pig manure (PM) was evaluated. Four treatments, representing 2.5%, 5%, 10% and 20% of AMW (of PM dry weight) and control without AMW, were established during composting. Results suggested that the temperature, pH, electrical conductivity, NH4+-N and germination index in end product met the maturity and sanitation requirement. More than 99% of residual antibiotic was removed. Compared with PM composting alone, the cumulative CH4 and N2O emissions in AMW composting increased by 13.46-79.00% and 10.78-65.12%, respectively. While the higher mixing ratios of AMW (10% and 20%) presented a negative impact on composing by inhibiting organic matter (OM) degradation and higher NH3 emissions. The AMW had highly bioavailable Zn, but the exchangeable faction of Zn significantly decreased with the composting progress.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Zhao J,Sun X,Awasthi MK,Wang Q,Ren X,Li R,Chen H,Wang M,Liu T,Zhang Zdoi
10.1016/j.biortech.2018.07.088subject
Has Abstractpub_date
2018-11-01 00:00:00pages
688-695eissn
0960-8524issn
1873-2976pii
S0960-8524(18)31013-7journal_volume
267pub_type
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