电容去离子
热解
活性炭
吸附
烧焦
微型多孔材料
比表面积
海水淡化
化学工程
原材料
材料科学
生物量(生态学)
打赌理论
多孔性
碳纤维
制浆造纸工业
化学
复合材料
有机化学
膜
催化作用
工程类
地质学
海洋学
复合数
生物化学
作者
Manfredi Picciotto Maniscalco,Chiara Corrado,Roberto Volpe,Antonio Messineo
标识
DOI:10.1016/j.biteb.2020.100435
摘要
A study on a possible new biomass waste to be used as electrode material for capacitive deionization (CDI) processes was performed. Raw almond shells were pyrolyzed at 800, 900 and 1000 °C and then activated through CO2. Carbon activation is used to develop porosity inside the material, increasing the specific surface area and the adsorption performances. In this work, authors tried to correlate the effects of pyrolysis and activation temperature on the ion storage capacity. Results from the desalination tests indicated that the best performance in terms of ion adsorption was obtained when the bio-char was activated at the temperature of 900 °C. Brunauer-Emmet-Teller (BET) and Barret-Joyner-Halenda (BHJ) analysis confirmed the trend of the CDI tests, reporting the highest surface area and share of micropore sites for the 900 °C samples. Salt adsorption capacity was found to be in the range of 13.7 to 19.2 mg g−1.
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