Abstract
In this study, two wetland plants (Ravenna grass and Thalia dealbata) were pyrolyzed at 300°C and 500°C for 2 h and 4 h in muffle furnace for biochar production, respectively, and their physical and chemical properties were investigated. Results revealed that the ash content, pH, C, N, CEC, EC, and P in biochars at 500°C were higher than at 300°C, while the yield, O, and H in biochars were opposite. The content of K, Mg, and Na in all types of wetland plant biochars was also higher at 500°C than at 300°C, but Mg content was not the case. However, no significant effect of pyrolysis time at both temperatures was observed in the physiochemical properties of various biochars.
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Acknowledgements
This work was financially supported by the National Key Technologies R&D Program of China (2012BAD05B04, 2012BAD15B04), the National Basic Research Program of China (2011CB100502), and the Special Fund for Agro-scientific Research in the Public Interest (201203045).
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© 2013 Zhejiang University Press and Springer Science+Business Media Dordrecht
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Muhammad, N., Dai, Z., Wang, H., Xu, F.Z., Xu, J. (2013). Impact of Pyrolysis Time and Temperature on Physicochemical Characteristics of Biochars from Wetland Plants. In: Xu, J., Wu, J., He, Y. (eds) Functions of Natural Organic Matter in Changing Environment. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-5634-2_192
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DOI: https://doi.org/10.1007/978-94-007-5634-2_192
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