Section 1: Physico-chemical properties of biochar 1.1 Biochar production: Recent developments, applications, and challenges 1.2 Physico-chemical interaction between biochar and adsorbate in solution 1.3 Chemical regeneration of biochar as sustainable adsorbent 1.4 Advanced production and characterizations of nano-biochar 1.5 Environmental benefits/impacts of emerging applications of biochar 1.6 Biochar aspects in the sustainability of agriculture and environment Section 2: 2. Application of biochar as adsorbents in wastewater treatment 2.1 Removal of microplastics from aquatic environment by biochar 2.2 Elimination of inorganic pollutants using biochar-based composite. 2.3 Treatment of wastewater laden with dyes using Fe(0)-functionalized biochar 2.4 Magnetically assisted biochar for remediation of aquatic environment 2.5 Biochar-based composite for efficient oil decontamination 2.6 Application of nano-biochar in wastewater treatment 2.7 Integrated biochar and advanced oxidation process for wastewater treatment 2.8 Phosphorus removal from wastewater using biochar-ased composites 2.9 Negative emission technologies using nano-biochar towards carbon neutrality Section 3. Biochar as soil conditioner 3.1 Phosphorus-modified biochar as a soil amendment 3.2 Effects of biochar amendment on soil properties and its aggregates 3.3 Application of biochar to improve crop yield and soil carbon sequestration 3.4 Effects of biochar applications in soil on nitrogen leaching and its consumption 3.5 Effect of biochar amendment on soil properties 3.6 Effect of biochar amendment on tropical soil properties 3.7 Reclamation of heavy metal contaminated soil using biochar 3.8 Agricultural application of biochar as soil amendment 3.9 Ecotoxicological assessment and agricultural potential of nano-biochar 3.10 Life-cycle assessment and circular economy of nano-biochar based environmental remediation 3.11 Technoeconomic benefits of biochar as soil conditioner 3.12 Techno-economic analysis of biochar production and applications 3.13 Lifecycle analysis of biochar applications as soil amendment 3.14 Biochar application to arable land: A case study for Sweden 3.15 Biochar from rice husk for soil amendment: A pilot-scale case study in Jinhua, China Section 4. Attaining carbon neutrality through biochar utilization 4.1 Challenges and bottlenecks of decarbonization in wastewater treatment 4.2 Emerging opportunities of biochar in wastewater treatment 4.3 Ways forward for biochar in promoting carbon neutrality 4.4 Biochar-assisted anaerobic membrane for energy recovery 4.5 Thermal energy recovery and valorisation of biomass stem for biochar production 4.6 Technological innovation and its role in biochar management and carbon neutrality 4.7 Application of biochar for energy storage and conversion 4.8 Engineered biochar: A multifunctional material for energy storage 4.9 Techno-economic analysis of biochar in water treatment 4.10 Biochar management for CO2 emissions reduction 4.11 Policy reforms in biomass management in response to carbon neutrality

Provides an extensive literature survey on biochar composites, its properties, and applications related to waste management Offers a comprehensive overview with critical analysis of biochar production, its modification, and application for water treatment along with its regeneration and after-use fate based on resource recovery and the circular economy Gives insights about challenges, research direction, outlook, and further perspectives on biochar-based adsorbents