[1]陈俊英冯向应史召霞.响应面法优化混合活化剂制备脱硅稻壳基活性炭[J].郑州大学学报(工学版),2015,36(02):120-124.[doi:10.3969/ j.issn.1671 -6833.2015.02.026]
 CHEN Jun-ying,FENG Xiang-ying,SHI Zhao-xia,et al.Optimization of Activated Carbon Preparation from Desilicon Rice Huskvia Compound Agents by Response Surface Methodology[J].Journal of Zhengzhou University (Engineering Science),2015,36(02):120-124.[doi:10.3969/ j.issn.1671 -6833.2015.02.026]
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响应面法优化混合活化剂制备脱硅稻壳基活性炭()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
36卷
期数:
2015年02期
页码:
120-124
栏目:
出版日期:
2015-04-30

文章信息/Info

Title:
Optimization of Activated Carbon Preparation from Desilicon Rice Huskvia Compound Agents by Response Surface Methodology
作者:
陈俊英1冯向应2史召霞3
1.郑州大学化工与能源学院,河南郑州450001; 2.山东新华医药化工设计公司,山东淄博255086;3.山东洁晶集团股份公司,山东日照276826;4.车用燃料技术国家重点实验室,河南南阳473000
Author(s):
CHEN Jun-ying1FENG Xiang-ying12SHI Zhao-xia’13FANG Shu-qi1HAN Xiu-li1 WANG Duo1
1.School Of Chemical Engineering and Energy , Zhengzhou University , Zhengzhou 450001 ,China; 2. Shandong Xinhua Phar-maceutical Chemical Engineering Design Co. Ld., Zibo 255086 , Chinma; 3. Shandong Jiejing Group Co.L.d.,Rizhao 276826,China;4.State Key Laboratory of Motor Vehicle Biofuel Technology,Nanyang 473000,China
关键词:
响应面﹔混合碱活化脱硅稻壳活性炭表征
Keywords:
response surface method compound activating agent desilicon rice huskactivatedcarbon characterization
分类号:
TQ424
DOI:
10.3969/ j.issn.1671 -6833.2015.02.026
文献标志码:
A
摘要:
对以脱硅稻壳为原料、NaOH和Na,CO,为混合活化剂制备活性炭的工艺进行了4因素(活化温度、活化时间、活化剂混合比,浸渍液质量分数)3水平的响应面优化研究.结果显示:活化温度和浸渍液质量分数对活性炭的碘吸附值有显著地影响.在活化温度635℃,活化时间35 min ,混合比4∶1,浸渍液质量分数40%时碘吸附值出现极值,验证实验的碘平均值为1383.5 mg/g,与预测值基本吻合.另外对所制活性炭进行了性能表征,采用SEM表征了活性炭的形貌,BET法计算了活性炭的比表面积,BJH方程计算出活性炭的孔径分布.得到其比表面积为1 566.1 m’/g,平均孔径为2.05 nm,总孔容为0.80 cm’/g.
Abstract:
The activated carbon was prepared from desilicon rice husk by compound activating agents ( NaOHand Na,CO,). The influence of four factors ( activation temperature,activation time,mixed ratio,mass con-centration of the impregnating solution) and three levels w investigated. The process was optimized by re-sponse surface methodology. The results showed that activation temperature and concentration of the impregna-ting solution were important factors on iodine adsorption value of activated carbon. The best conditions of pre-paring activated carbon the activation temperature of 635℃,activation time of 35 min,the mixing ratio of 4 :l,mass concentration of the impregnating solution of 40%.The iodine adsorption value was 1383.5 mg/g,which was consistent with the predicted values. The structure and morphology of samples characterized bySEM. The specific surface area and pore-size distribution calculated by the methods of BET and BJH, respec-tively. The activated rice husk carbon exhibit a high specific surface area of 1566.1m /g,average pore diam-eter of 2. 05 nm ,total pore volume of 0.80 cm’/ g.
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