Review of High-Performance Biochar Production from Municipal and Plastic Waste

This review explores producing high-performance #biochar from municipal #solidwaste and plastic waste through thermochemical methods like pyrolysis and gasification. It highlights recent technological advancements, feedstock challenges, and biochar applications, advocating for interdisciplinary collaboration to advance sustainable #wastemanagement practices.

July 14, 2024

1–2 minutes

Razzak (2024) Municipal Solid and Plastic Waste Derived High-Performance BiocharBiochar is a carbon-rich material created from biomass decomposition in low-oxygen conditions. It has important applications in environmental remediation, soil improvement, agriculture, carbon sequestration, energy storage, and sustainable materials, promoting efficiency and reducing waste in various contexts while addressing climate change challenges. More Production: A Comprehensive Review. Journal of Analytical and Applied PyrolysisPyrolysis is a thermochemical process that converts waste biomass into bio-char, bio-oil, and pyro-gas. It offers significant advantages in waste valorization, turning low-value materials into economically valuable resources. Its versatility allows for tailored products based on operational conditions, presenting itself as a cost-effective and efficient More. https://doi.org/10.1016/j.jaap.2024.106622

The increasing accumulation of Municipal Solid Waste (MSW)Municipal Solid Waste (MSW) is the everyday trash or garbage produced by households and businesses. It includes a variety of materials, such as food scraps, paper, plastics, and yard waste. MSW forms a potential feedstock category for biochar production provided that it should be free More and Plastic Waste (PW) poses significant environmental challenges. Traditional waste disposal methods like landfilling and incineration are unsustainable due to their harmful effects on ecosystems and public health. Thermochemical conversion for biochar production offers a promising solution.

A comprehensive review highlights the potential of producing high-performance biochar from MSW and PW using thermochemical methods such as pyrolysis and gasificationGasification is a high-temperature, thermochemical process that converts carbon-based materials into a gaseous fuel called syngas and solid by-products. It takes place in an oxygen-deficient environment at temperatures typically above 750°C. Unlike combustion, which fully burns material to produce heat and carbon dioxide (CO2), gasification More. These processes convert waste materials into valuable products like biochar, syngasSyngas, or synthesis gas, is a fuel gas mixture consisting primarily of hydrogen and carbon monoxide. It is produced during gasification and can be used as a fuel source or as a feedstock for producing other chemicals and fuels. More, and bio-oil. The review emphasizes the roles of temperature, pressure, and residence timeResidence time refers to the duration that the biomass is heated during the pyrolysis process. The residence time can influence the properties of the biochar produced. More in these conversion processes, discussing recent technological advancements and innovations.

The study explores the characteristics and challenges of MSW and PW feedstocks, noting that biochar produced from these materials can have enhanced properties, including increased surface area, carbon retention, and diverse functional groups. These properties make biochar suitable for various applications, including soil amendmentA soil amendment is any material added to the soil to enhance its physical or chemical properties, improving its suitability for plant growth. Biochar is considered a soil amendment as it can improve soil structure, water retention, nutrient availability, and microbial activity. More, carbon sequestration, and pollution remediation. It also has potential uses in renewable energy, water treatment, and advanced materials synthesis.

Despite the progress in biochar production from MSW and PW, the review identifies technological barriers and research gaps that need addressing. It advocates for interdisciplinary collaboration to advance sustainable waste management practices. By synthesizing existing knowledge and pinpointing research gaps, the review aims to guide future investigations and promote the development of innovative waste management strategies.

In summary, the review consolidates current research, provides fresh insights, and encourages collaborative efforts to tackle environmental challenges through innovative waste management practices.