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Assessment of Physicochemical and Nutritional Characteristics of Waste Mushroom Substrate Biochar under Various Pyrolysis Temperatures and Times

Author

Listed:
  • Rubab Sarfraz

    (Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China)

  • Siwei Li

    (Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China)

  • Wenhao Yang

    (Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China)

  • Biqing Zhou

    (Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China)

  • Shihe Xing

    (Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China)

Abstract

The prime objective of biochar production is to contribute to nutrients recycling, reducing waste and converting useful bio-wastes into carbon rich products in the environment. The present study was intended to systematically evaluate the effect of pyrolysis conditions and characteristics of feedstock influencing the generation of biochar. The study revealed the nutritional importance of waste mushroom substrate (WMS) biochar which may elevate soil nutritional status and soil quality. The results showed that the yields and properties of WMS biochar depended principally on the applied temperature where pyrolysis at higher temperatures, that is, 600 °C and 700 °C produced biochar having high ash, P and K contents. Moreover, numerous useful macro and micro nutrients such as Ca, Mg, Fe and Zn were observed to positively correlate with the increase in temperature. The WMS biochar in our study is highly alkaline which can be used to rectify acidic soil pH. Overall our results suggest that WMS biochar being a rich source of nutrients can be the best remedy to maintain and further enhance the soil nutritional status. Thus by interpreting biochar feedstock characteristics and pyrolysis conditions, the regulation of tailored WMS biochar manufacturing and application in soil can be facilitated.

Suggested Citation

  • Rubab Sarfraz & Siwei Li & Wenhao Yang & Biqing Zhou & Shihe Xing, 2019. "Assessment of Physicochemical and Nutritional Characteristics of Waste Mushroom Substrate Biochar under Various Pyrolysis Temperatures and Times," Sustainability, MDPI, vol. 11(1), pages 1-14, January.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:1:p:277-:d:195632
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    Citations

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    Cited by:

    1. Chenglin Yuan & Siqi Liang & Xiaohong Wu & Taimoor Hassan Farooq & Tingting Liu & Yu Hu & Guangjun Wang & Jun Wang & Wende Yan, 2022. "Land Use Changes Influence the Soil Enzymatic Activity and Nutrient Status in the Polluted Taojia River Basin in Sub-Tropical China," IJERPH, MDPI, vol. 19(21), pages 1-10, October.
    2. Haiyu Meng & Heng Yang & Zhiqiang Wu & Danting Li & Zhe Wang & Dongqi Wang & Hui Wang & Huaien Li & Jiake Li, 2024. "Co-Pyrolysis of Mushroom Residue Blended with Pine Sawdust/Wheat Straw for Sustainable Utilization of Biomass Wastes: Thermal Characteristics, Kinetic/Thermodynamic Analysis, and Structure Evolution o," Sustainability, MDPI, vol. 16(15), pages 1-30, August.
    3. Lening Hu & Shuangli Li & Ke Li & Haiyan Huang & Wenxin Wan & Qiuhua Huang & Qiuyan Li & Yafen Li & Hua Deng & Tieguang He, 2020. "Effects of Two Types of Straw Biochar on the Mineralization of Soil Organic Carbon in Farmland," Sustainability, MDPI, vol. 12(24), pages 1-18, December.
    4. Xinxin Tang & Xuesong Wei & Songying Chen, 2019. "Continuous Pyrolysis Technology for Oily Sludge Treatment in the Chain-Slap Conveyors," Sustainability, MDPI, vol. 11(13), pages 1-10, July.

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