Molecular diversity of liquid digestate from anaerobic digestion plants for biogenic waste

被引：13
作者：
He, Pinjing [1 ,3 ]
Huang, Yulong [1 ]
Qiu, Junjie [1 ]
Zhang, Hua [1 ,2 ,3 ]
Shao, Liming [1 ,3 ]
Lu, Fan [1 ,2 ,3 ]
机构：
[1] Tongji Univ, Inst Waste Treatment & Reclamat, Shanghai 200092, Peoples R China
[2] Shanghai Inst Pollut Control & Ecol Secur, Shanghai 200092, Peoples R China
[3] Shanghai Engn Res Ctr Multisource Solid Wastes Co, Shanghai 200092, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2022年 / 347卷
基金：
中国国家自然科学基金;
关键词：
Food waste; Biowaste; Non-target; Plant hormones; Xenobiotic compounds; DISSOLVED ORGANIC-MATTER; RESOLUTION MASS-SPECTROMETRY; HORMONES; TRANSFORMATION; PATHWAYS; AMMONIUM; NITROGEN; CARBON; MANURE; ACIDS;
D O I：
10.1016/j.biortech.2021.126373
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
The treatment and valorization of liquid digestate (ADLD) after anaerobic digestion of biogenic waste are challenging. This study used ultra-high resolution mass spectrometry to determine the molecular characteristics of ADLD collected from different full-scale plants for food waste treatment. The results indicated that there were regular differences in the dissolved organic matter (DOM) indicators among the samples from dry and wet anaerobic processes. ADLD DOM had higher H/C and O/C, and contained more easily degradable proteins. In addition, sCOD and pH were the drivers of the molecular distribution of ADLD common compounds. The same common compounds were present in the ADLD from different anaerobic digestion plants. They had a significant correlation with physicochemical characteristics. The compounds relating to plant hormones and nutrients as well as xenobiotics were both identified, suggesting that comprehensive considerations should be taken into account for the land application of ADLD.
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页数：9
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