Influence of biochar addition on the humic substances of composting manures

Waste Management
Keiji JindoMiguel Angel Sánchez-Monedero

Abstract

Application of biochar (10% v/v) to a manure composting matrix was investigated to evaluate its effect on the chemical composition of humic substances during the composting process. The characteristics of the humic acid (HA) and fulvic acid (FA) fractions were analyzed in compost mixtures originating from two different manures (poultry manure (PM) and cow manure (CM)). The C contents of HA and FA from the manure compost/biochar blends (PM+B and CM+B) were higher than those from PM and CM, with an enhanced recalcitrant fraction, as determined by thermogravimetric analysis. Spectroscopic analysis showed that enrichment of aromatic-C and carboxylic-C occurred in the FA fractions of PM+B and CM+B to a greater extent than in PM and CM. Biochar addition into the composting mixture improved the final compost quality, especially for the light humified fraction (FA).

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Citations

Jun 14, 2016·Environmental Science and Pollution Research International·Juan ZhanLi Zhao
Nov 21, 2019·Biotechnology and Applied Biochemistry·Ayodeji BelloXiuhong Xu
Jan 12, 2020·Environmental Science and Pollution Research International·Xin JiangXiuhong Xu
May 30, 2017·Environmental Science and Pollution Research International·Shaohua WuZhenfeng Han
Jun 4, 2017·Environmental Science and Pollution Research International·Mohammad WaqasAbdul-Sattar Nizami
Jun 27, 2018·Environmental Science and Pollution Research International·Wendel Paulo SilvestreCamila Baldasso
Sep 22, 2017·Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes·S Aalfin EmmanuelSung-Cheol Koh
Oct 21, 2020·The Science of the Total Environment·Yuquan WeiQing Chen
Oct 14, 2020·Journal of Environmental Management·João A AntonangeloHailin Zhang
Mar 20, 2021·The Science of the Total Environment·Meiling LiuZhiling Gao
Feb 18, 2020·Bioresource Technology·Mukesh Kumar AwasthiZengqiang Zhang
Nov 15, 2021·The Science of the Total Environment·Aleksandra RombelPatryk Oleszczuk

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