In this section, you can access to the latest technical information related to the FUTURE project topic.

Hydrothermal pretreatment contributes to accelerate maturity during the composting of lignocellulosic solid wastes

The aim of this work was to study the optimal conditions and mechanism of lignocellulose degradation in the hydrothermal pretreatment coupled with aerobic fermentation (HTPAF). The optimized process parameters in the hydrothermal pretreatment (HTP) were discussed. The response relationship between enzyme activity and microbial community in HTPAF were explored. The results showed that with the moisture content of 50%-90%, the lignin content decreased by 150?mg/g after treatment at 120??C for 6?h, and a loose pore structure was formed on the surface of the chestnut shells after HTP. The compost maturity time was shortened to 12?days. The dominant microbial genera in HTPAF were Gallicola, Moheibacter and Atopostipes, which were significant different with that of the traditional composting. HTPAF is beneficial to increase the maximum temperature of aerobic fermentation and quickly degrade lignin to shorten the maturity time.

» Author: Chengze Yu, Mingxiao Li, Bin Zhang, Yanjun Xin, Wenbing Tan, Fanhua Meng, Jiaqi Hou, Xiaosong He

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