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Article

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

Fujian Provincial Key Laboratory of Soil Environmental Health and Regulation, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China
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Sustainability 2019, 11(1), 277; https://doi.org/10.3390/su11010277
Received: 24 December 2018 / Revised: 30 December 2018 / Accepted: 2 January 2019 / Published: 8 January 2019
(This article belongs to the Collection Trends in Municipal Solid Waste Management)
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. View Full-Text
Keywords: FTIR; aromatic structure; atomic absorption spectroscopy; biochar nutrients FTIR; aromatic structure; atomic absorption spectroscopy; biochar nutrients
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MDPI and ACS Style

Sarfraz, R.; Li, S.; Yang, W.; Zhou, B.; Xing, S. Assessment of Physicochemical and Nutritional Characteristics of Waste Mushroom Substrate Biochar under Various Pyrolysis Temperatures and Times. Sustainability 2019, 11, 277. https://doi.org/10.3390/su11010277

AMA Style

Sarfraz R, Li S, Yang W, Zhou B, Xing S. Assessment of Physicochemical and Nutritional Characteristics of Waste Mushroom Substrate Biochar under Various Pyrolysis Temperatures and Times. Sustainability. 2019; 11(1):277. https://doi.org/10.3390/su11010277

Chicago/Turabian Style

Sarfraz, Rubab, Siwei Li, Wenhao Yang, Biqing Zhou, and Shihe Xing. 2019. "Assessment of Physicochemical and Nutritional Characteristics of Waste Mushroom Substrate Biochar under Various Pyrolysis Temperatures and Times" Sustainability 11, no. 1: 277. https://doi.org/10.3390/su11010277

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