Special issue on sustainable waste treatment and management

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EDITORIAL

Special issue on sustainable waste treatment and management Ronghua Li 1 & Zengqiang Zhang 1 & Mukesh Kumar Awasthi 1 & Hailong Wang 2

# Springer-Verlag GmbH Germany, part of Springer Nature 2020

The treatment and disposal of organic solid waste are becoming a global challenge to the sustainability of societies. This special issue of Environmental Science and Pollution Research (ESPR) comprises 8 papers selected from the 3rd Subject Specialized Conference of International Bioprocessing Association and the International Conference on Sustainable Waste Treatment and Management (SWTM2019), which was held in Yangling, China, on 6–9 May 2019. The SWTM-2019 conference attracted about 250 participants from more than 20 countries. Approximately 6 special symposia covering sustainable waste treatment, management, utilization, and related environmental impact evaluation were held during the SWTM-2019 conference. With a stringent peer review, 8 original research papers focusing on 4 different topics were accepted for publication in this special issue. The first topic concerns the thermochemical conversion of biomass residues into biochar and functional materials for pollution remediation. This topic included two manuscripts. In the article entitled “Performance of the emerging biochar on the stabilization of potentially toxic metals in smelter- and mining-contaminated soils” (Ren et al. 2020), the authors prepared biochar from kiwifruit pruning branches by slow pyrolysis and used it as an amendment on in situ stabilization of potentially toxic metals (Cd, Zn, and Pb) in smelting- and mining-contaminated soils. The manuscript entitled “Characterization and adsorption capacity of modified 3D porous aerogel from grapefruit peels for removal of oils and organic solvents” (Imran et al. 2020) synthesized a hydrophobic aerogel with three-dimensional (3D) structure from Responsible Editor: Philipp Gariguess * Hailong Wang [email protected] 1

College of Natural Resources and Environment, Northwest Agriculture and Forestry University, Yangling 712100, Shaanxi, China

2

Biochar Engineering Technology Research Center of Guangdong Province, School of Environmental and Chemical Engineering, Foshan University, Foshan 528000, Guangdong, China

grapefruit peel by hydrothermal approach and used the porous aerogel as an adsorbent for removal of oils and organic solvents from polluted water. The findings of these studies benefit the agricultural waste recycling utilization and the contaminated water and soil remediation, as reported in many other studies (e.g., Bandara et al. 2020; Lehmann 2019; Lu et al. 2020; Wu et al. 2020). The second topic focused on the bioconversion of degradable organic waste to a stable carbon-rich product, which included the manuscript entitled “Comparison of molecular transformation of dissolved organic matter in vermicomposting and thermophilic composting by ESI-FT-ICR-MS” (Liu et al. 2020b). The authors comparatively discussed the differences in molecular composition and the molecular transform