Author:
Feng Anwen,Qiao Xiaokang,Qin Wu,Sun Huahai,Han Bing,Zeng Zongming,Wang Xiaoqiang
Abstract
Abstract
Preparation of activated carbon from biomass ash residue can effectively treat solid waste and improve the economics of the biomass power generation industry. However, the low thermal conductivity of activated carbon (AC) cannot make it widely used. A strategy was reported herein modify the activated carbon by AlN increase its thermal conductivity. Effects of reaction temperature, nitriding time, and nitrogen flow rate on the formation AlN and summarized the optimal process of AlN modified activated carbon. The result showed that the optimal preparation process is to inject nitrogen at a rate of 300 ml/min, under the condition of 1550°C, nitriding reaction for 50 min. The thermal conductivity of AlN-modified activated carbon prepared by this process is twice that of unmodified activated carbon.
Subject
General Physics and Astronomy
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