KOH活化法制备沙柳枝木活性炭的研究

doi:10.11924/j.issn.1000-6850.casb14120151

中国农学通报 ›› 2015, Vol. 31 ›› Issue (22): 26-31.doi: 10.11924/j.issn.1000-6850.casb14120151

KOH活化法制备沙柳枝木活性炭的研究

朱亚红^1,2,孙权^2,3,朱铭强⁴,王锐²

(¹渭南师范学院,陕西渭南 714000；²宁夏大学农学院,银川 750021；³西北退化生态系统恢复重建教育部重点试验室,银川 750021；⁴西北农林科技大学林学院,陕西杨陵 712100）

收稿日期:2014-12-23 修回日期:2015-07-10 接受日期:2015-04-24 出版日期:2015-08-20 发布日期:2015-08-20
通讯作者: 孙权
基金资助:
渭南师范学院大学生创新训练项目“林木废弃物热解生产生物油和生物炭的研究”(12XK074)。

Preparation of Activated Carbon from Salix psammophila Wood with Potassium Hydroxide as Activation Agent

Zhu Yahong^1,2, Sun Quan^2,3, Zhu Mingqiang⁴, Wang Rui¹

(¹Weinan Normal University, Weinan Shaanxi 714000; ²School of Agriculture, Ningxia University, Yinchuan 750021;³Key Laboratory for Restoration and Reconstruction of Degraded Ecosystem in North-western China of Ministry of Education, Yinchuan 750021; ⁴College of Forestry, Northwest A&F University, Yangling Shaanxi 712100)

Received:2014-12-23 Revised:2015-07-10 Accepted:2015-04-24 Online:2015-08-20 Published:2015-08-20

摘要/Abstract

摘要： 活性炭是一种疏松多孔的碳单质，具有吸附作用，已在诸多领域广泛应用，例如，食品加工、军事化学防护、环境保护等。针对沙柳枝木的利用现状，选取KOH为活化剂并且采用微波法制备沙柳枝木活性炭，研究了活化剂辐射时间、质量浓度、液料比、辐射功率、浸渍时间等因素对活性炭吸附性能的影响，通过对单因素试验结果的正交优化，得出活性炭制备的最佳方法如下：KOH活化法制备沙柳枝木活性炭的最佳工艺条件为：液料比4:1、浸渍时间18 h、辐照功率560 W、辐照时间20 min，该工艺条件下所制备的活性炭成品碘吸附值为1011.01 mg/g，达到了GB/T 13803.2—1999中一级品标准。

关键词: 灌草丛, 灌草丛, 生态位, 生态位宽度, 生态位重叠, 草地植被

Abstract: Activated carbon is a kind of porous carbon with adsorption simple substance, and has been widely used in food processing, military chemistry, environmental protection, etc. Through the utilization of Salix psammophila wood, the author selected potassium hydroxide as the activating agent, prepared sand willow wood activated carbon, and investigated the effect of microwave irradiation, activator concentration, liquid-solid ratio, dipping time, radiation time, radiation power and other factors on the adsorption properties of activated carbon prepared by orthogonal optimization of the results of single factor test. The optimum technological condition for preparing sand willow wood activated carbon through activation of potassium hydroxide was: liquid-solid ratio 4:1, soaking time 18 h, irradiation power 560 W, irradiation time 20 min; under this condition, the activated carbon iodine adsorption value was 1011.01 mg/g, reaching the GB/T 13803.2—1999 standard.

朱亚红,孙权,朱铭强,王锐. KOH活化法制备沙柳枝木活性炭的研究[J]. 中国农学通报, 2015, 31(22): 26-31.

Zhu Yahong,Sun Quan,Zhu Mingqiang and Wang Rui. Preparation of Activated Carbon from Salix psammophila Wood with Potassium Hydroxide as Activation Agent[J]. Chinese Agricultural Science Bulletin, 2015, 31(22): 26-31.

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KOH活化法制备沙柳枝木活性炭的研究

Preparation of Activated Carbon from Salix psammophila Wood with Potassium Hydroxide as Activation Agent

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