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Article
Environmental Sciences
Yanan Yin et al.
Summary: This study investigated the effects of adding wheat straw biochar and bamboo charcoal on the transformation of phosphorus fractions during composting, as well as the role of phoD-harboring bacterial community. The addition of biochar reduced the available phosphorus content in the compost products. Redundancy analysis showed that alkaline phosphatase content and pH were important factors affecting the transformation of phosphorus fractions. The addition of biochar also resulted in changes in the composition and structures of the phoD-harboring bacteria communities.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Review
Agricultural Engineering
Yue Li et al.
Summary: This article provides an overview of the application of biochar for organic waste co-composting and its biochemical transformation mechanism. Biochar functions in the adsorption of nutrients, retention of oxygen and water, and promotion of electron transfer as a composting amendment. It mediates resistance genes, mobile gene elements, and biochemical metabolic activities of organic matter degrading. Biochar enrichment enhances the α-diversity of microbial communities throughout composting stages, ultimately reflecting high β-diversity. Easy and convincing methods for biochar preparation and its characteristics need to be explored for in-depth study of the mechanism of biochar on composting microbes at the microscopic level.
BIORESOURCE TECHNOLOGY
(2023)
Article
Agricultural Engineering
Lihua Zhang et al.
Summary: The addition of FeONPs during agricultural waste composting increases the abundance of thermophilic microorganisms for organic matter degradation and promotes amino acid metabolism. Moisture, OM, and NO3--N are the most significant factors influencing bacterial composition and metabolism in different treatment groups. The relationships between compost properties, bacterial community, and metabolism are altered by FeONPs.
BIORESOURCE TECHNOLOGY
(2022)
Article
Agricultural Engineering
Jing He et al.
Summary: This study investigated the effects of composite microbes on humification during co-composting of biogas residue, spent mushroom substrate, and rice straw. The results showed that the inoculation of composite microbes increased the degradation of cellulose, hemicellulose, and lignin, as well as the content of humus and humic acid. The addition of composite microbes also increased the abundance of bacteria and fungi associated with the degradation of refractory macromolecules and cellulose, and promoted the pathways of xenobiotics biodegradation and metabolism.
BIORESOURCE TECHNOLOGY
(2022)
Article
Environmental Sciences
Mukesh Kumar Awasthi
Summary: This review comprehensively discusses the synthesis methods and applications of engineered biochar in the fields of energy and environment. The synthesis and activation of engineered biochar through various methods have positive impacts on composting, anaerobic digestion, soil microbial communities, and enzymatic activities. However, there are still knowledge gaps and challenges regarding the application of engineered biochar that require urgent attention in future research.
ENVIRONMENTAL POLLUTION
(2022)
Article
Environmental Sciences
Ning Wang et al.
Summary: The management of digestate from food waste (DFW) is a global challenge. Pyrolysis is a promising technology for producing biochar from DFW. However, the high salt and moisture content in DFW affects the properties of biochar generated. This study found that increasing moisture content resulted in more micropore and mesopore structures in the biochar, increasing the surface area. Moisture also promoted changes in oxygen-containing functional groups and the formation of amorphous carbon structures, enhancing the adsorption properties of the biochar. Pyrolysis stabilized metals in the biochar, unaffected by moisture content.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Engineering, Environmental
Ning Wang et al.
Summary: The addition of biochar derived from food waste (BC-DFW) in the composting process of digestate from food waste (DFW) can reduce the emissions of ammonia and volatile sulfur compounds, shorten the composting duration, and promote the degradation of organic matter and humification.
JOURNAL OF HAZARDOUS MATERIALS
(2022)
Article
Environmental Sciences
Lingxu Meng et al.
Summary: This study investigated the impact of interactions between microbial taxa on lignocellulose degradation during composting. The results showed that co-occurrence networks and bacterial-fungal interactions played significant roles in lignocellulose degradation, while microbial diversity had a relatively minor effect. Moreover, low-abundance taxa were found to influence microbial interactions driving lignocellulose degradation.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Agricultural Engineering
Xia Huang et al.
Summary: This study evaluates the effects of biochar and microbial agents on food waste composting, showing that their combined use increases temperature, organic matter degradation rate, enzymatic activity, and degradation of volatile fatty acids. Microbial analysis demonstrates the increase of certain microbial abundances and their strong interaction with the environment. Combined addition of biochar and inoculation has positive synergistic effects on composting.
BIORESOURCE TECHNOLOGY
(2022)
Article
Agricultural Engineering
Ning Zhu et al.
Summary: The study demonstrated that thermal pretreatment accelerated temperature rise and enhanced degradation of cellulose, hemicellulose, and lignin during dairy manure composting. Additionally, thermal pretreatment significantly improved humification degree and increased the abundance of thermophilic bacteria involved in lignocellulose degradation and humification. Canonical correspondence analysis indicated that thermal pretreatment shifted the main factor affecting bacterial community evolution from dissolved organic carbon in traditional composting to temperature in thermal pretreatment composting.
BIORESOURCE TECHNOLOGY
(2021)
Article
Agricultural Engineering
Qianqian Chen et al.
Summary: In this study, agricultural wastes were composted in an ectopic fermentation bed system with continuous addition of nitrogen, resulting in decreased NH4+-N concentration and increased NO3--N concentration. Changes in the activities of protease, urease, and nitrate reductase were observed during the fermentation process. Metagenomic analysis showed that the composts had a predominance of COGs involved in nitrification and denitrification compared to ammonification. Microbial diversity and COGs played a key role in NH3 removal in the EFBS system.
BIORESOURCE TECHNOLOGY
(2021)
Review
Agricultural Engineering
Yuwen Zhou et al.
Summary: This review provides a holistic view of biochar, including its production, applications, and future prospects, with a focus on engineering strategies and development potential. It highlights the promising alternatives of biochar as a cheap source of carbon-based products, and discusses future strategies and ideas for engineering biochar production techniques and application.
BIORESOURCE TECHNOLOGY
(2021)
Article
Environmental Sciences
Yanan Yin et al.
Summary: Microbial enzymes play a crucial role in material biotransformation during composting. This study found that adding bamboo charcoal at a specific concentration significantly increased cellulose and urease activities, altered bacterial community structure, and enhanced degradation rates of carbohydrates and amino acids. The results suggest that BC10 is effective in improving composting efficiency by influencing both enzyme activity levels and bacterial community dynamics.
JOURNAL OF ENVIRONMENTAL SCIENCES
(2021)
Article
Engineering, Environmental
Yuwen Zhou et al.
Summary: This study investigated the succession of heavy metal resistant bacteria (HMRB) communities during poultry manure composting by adding different concentrations of chicken manure biochar. The bacterial diversity was higher in biochar treatments, with T4 treatment showing the best results. High temperature periods were positively correlated with Proteobacteria and Actinobacteria, suggesting an improvement in bacterial abundance and composting efficiency.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Article
Environmental Sciences
Ning Wang et al.
Summary: The study investigated the long-term characteristics of digestate from food waste (DFW) from an industrial-scale AD plant in China for 16 months, and found that DFW contains abundant organic matter and nutrients. Pyrolysis and composting were evaluated as optional conversion ways of DFW, with pyrolysis recommended for biochar production and composting offering the best potential for nutrient recovery.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Review
Biotechnology & Applied Microbiology
Hong Liu et al.
Summary: Biochar has gained significant interest due to its ability to mediate microbial degradation and sequester carbon. This review evaluates its potential advantages and future perspectives, focusing on resource recovery and waste recycling. Current breakthroughs in engineered biochar application techniques for sustainable technology are highlighted, demonstrating its importance in promoting a circular bioeconomy.
Article
Agricultural Engineering
Yu-Xin Guo et al.
Summary: Short-term composting for oyster mushroom cultivation media in China relies heavily on bacterial abundance over fungi, with key factors shifting from moisture to total nitrogen, temperature, and lignin during the composting process. The microbial communities involved in lignocellulosic degradation include Firmicutes, Actinobacteria, Proteobacteria, Eurotiomycetes, and Sordariomycetes. Carbohydrate and amino acid metabolism were identified as the main pathways in bacterial function prediction analysis.
BIORESOURCE TECHNOLOGY
(2021)
Article
Engineering, Environmental
Xiaoyan Wu et al.
Summary: The study found that adding bamboo sphere to food waste composting can accelerate organic matter decomposition, promote seed germination, and increase the production of humic substances.
Article
Agricultural Engineering
Jiao Li et al.
BIORESOURCE TECHNOLOGY
(2020)
Article
Agricultural Engineering
Yumin Duan et al.
BIORESOURCE TECHNOLOGY
(2019)
Article
Engineering, Environmental
Neslihan Akdeniz
Article
Agricultural Engineering
Jishao Jiang et al.
BIORESOURCE TECHNOLOGY
(2019)
Article
Agricultural Engineering
Yumin Duan et al.
BIORESOURCE TECHNOLOGY
(2019)
Article
Engineering, Environmental
Hassan Hashemi et al.
JOURNAL OF ENVIRONMENTAL ENGINEERING
(2018)
Article
Engineering, Environmental
Hassan Hashemi et al.
JOURNAL OF ENVIRONMENTAL ENGINEERING
(2018)
Article
Ecology
Adrian Langarica-Fuentes et al.
