Ball milling as a mechanochemical technology for fabrication of novel biochar nanomaterials

Bioresource Technology
Manish KumarYong Sik Ok

Abstract

Mechanochemical synthesis of nano-biochar by ball-milling technology is gaining attention for the sake of its low-cost and eco-friendly nature. Ball milling as a non-/less-solvent technology can propel environmental sustainability and waste valorization into engineered biochar for advanced applications. Scalable production of biochar nanomaterials with superior properties (e.g., 400-500 m2 g-1 surface area and 0.5-1000 nm pore sizes) enables diverse applications in the field of energy and environment. This review critically evaluates the synthesis, characterization, and application of ball-milled biochar nanomaterials based on the latest findings. Limitations such as feedstock selection, process optimization, product homogeneity and reusability, environmental risks, and sustainability assessment remain challenging for further studies. This work highlights the recent advances on mechanochemical biochar technology and offer insights into opportunities and future prospects related to sustainable and facile synthesis of biochar-based novel materials for achieving sustainable development goals.

Citations

Jan 2, 2021·The Science of the Total Environment·Lijian LengHuajun Huang
Dec 15, 2020·Journal of Hazardous Materials·Zhicheng ZhuangJingchun Tang
Apr 24, 2021·The Science of the Total Environment·Waqas AhmedDi-Yun Chen
Jul 12, 2021·Journal of Hazardous Materials·Lichun DaiHuagang Huang
Aug 13, 2021·Heliyon·Fabiana Paiva de FreitasWagner Davel Canal
Aug 28, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Deval Prasad BhattaraiGunendra Prasad Ojha
Sep 1, 2021·The Science of the Total Environment·Xueyan ChenMengfang Chen
Dec 6, 2021·The Science of the Total Environment·Shahla Hosseini BaiLukas van Zwieten
Jan 16, 2022·The Science of the Total Environment·Filippo OttaniGiulio Allesina
Jan 14, 2022·Environmental Science and Pollution Research International·Zhexi HuangZhanqiang Fang
Jan 16, 2022·Environmental Pollution·Mukesh Kumar Awasthi

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