E3S Web Conf.
Volume 299, 20214th Annual International Conference on Energy Development and Environmental Protection (EDEP 2021)
|Number of page(s)||9|
|Section||Development and Utilization of Resources|
|Published online||05 August 2021|
Feasibility of Biochar Preparation with Solar Pyrolysis Method
1 School of Environmental and Chemical Engineering, Zhaoqing University, Zhaoqing 526061, China
2 The Key Lab of Marine Environmental Science and Ecology, Ministry of Education, Ocean University of China, Qingdao 266100, China ;
* Corresponding author: email@example.com
China is a large agricultural country with a large annual output of straw resources. Compared with other straw treatment technologies, pyrolysis technology has the advantages of simple operation and high utilization value of products, but the traditional pyrolysis technology takes the combustion of fossil fuels as heat source, which has the problem of high energy consumption. Solar pyrolysis has attracted much attention because of its cleanliness and sustainability. To explore the feasibility of solar pyrolysis of straw. In this paper, the corncob biochar prepared by solar pyrolysis device and traditional pyrolysis device (muffle furnace and tube furnace) were compared. The experimental results show that the solar pyrolysis device can reach the pyrolysis temperature range of biomass, and the yield and physicochemical properties of the biochar obtained by the solar pyrolysis device are similar to those obtained by the traditional pyrolysis device. Therefore, the preparation of biochar by solar pyrolysis is a feasible method.
© The Authors, published by EDP Sciences, 2021
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