响应面法优化玉米穗轴活性炭的微波制备工艺

doi:10.11894/1005-829x.2012.32(3).55

工业水处理 ›› 2012, Vol. 32 ›› Issue (3): 55-58. doi: 10.11894/1005-829x.2012.32(3).55

响应面法优化玉米穗轴活性炭的微波制备工艺

蒋莉¹, 马飞^1,2, 叶招莲¹, 顾爱军¹, 孙佳晶¹

1．江苏技术师范学院化学与环境工程学院, 江苏常州 213001;
2．河海大学水利水电工程学院, 江苏南京 210098

收稿日期:2011-11-22 出版日期:2012-03-20 发布日期:2012-03-19
作者简介:蒋莉(1973-),1997年毕业于西北纺织工学院,硕士,副教授.电话:13585352606,E-mail:jl@jstu.edu.cn.
基金资助:
江苏省自然科学基金项目(BK2009106);江苏技术师范学院基础及应用基础项目(KYY11063);江苏省大学生实践创新训练计划项目

Optimization of the preparation conditions for the activated carbon from corn cob through microwave radiation by response surface method

Jiang Li¹, Ma Fei^1,2, Ye Zhaolian¹, Gu Aijun¹, Sun Jiajing¹

1. School of Chemistry&Environmental Engineering, Jiangsu Teachers University of Technology, Changzhou 213001, China;
2. The College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China

Received:2011-11-22 Online:2012-03-20 Published:2012-03-19

摘要/Abstract

摘要：

以玉米穗轴为原料、碳酸氢钠为化学活化剂通过微波辐照制备活性炭,采用中心组合设计(CCD),运用响应面法(RSM)进行工艺参数优化。考察了辐照功率、辐照时间和浸渍比对亚甲基蓝(MB)吸附值和产率的影响,通过模型优化确定最佳工艺参数为:辐照功率为385.74 W,辐照时间为5 min,浸渍比为4,该条件下制备的活性炭的亚甲基蓝(MB)吸附值和产率的实验结果和预测值分别为241.76 mg/g、27.39%和253 mg/g、28.28%,二者基本相符,验证了模型的有效性。

关键词: 玉米穗轴, 活性炭, 微波, 响应面法

Abstract:

The conditions for the preparation of activated carbon from corn cob as raw material,treated with NaHCO3 as activating agent,through microwave radiation have been optimized by response surface method(RSM) and central composite design(CCD).The effects of the radiation power,radiation time,and impregnation ratio on the adsorption capacity and yield results are investigated.The optimum conditions for preparing activated carbon from corn cob are as follows:radiation power is 385.74 W,radiation time 5 min and impregnation ratio 4.The experimental and predicted results for the adsorption capacity on methylene blue(MB) and yield of AC are 241.76 mg/g,27.39% and 253 mg/g,28.28%,respectively.The predicted adsorption capacity and yield after process optimization conform to the experimental values,verifying the efficiency of the model.

Key words: corn cob, activated carbon, microwave, response surface method

中图分类号:

X712
O613.71

蒋莉, 马飞, 叶招莲, 顾爱军, 孙佳晶. 响应面法优化玉米穗轴活性炭的微波制备工艺[J]. 工业水处理, 2012, 32(3): 55-58.

Jiang Li, Ma Fei, Ye Zhaolian, Gu Aijun, Sun Jiajing. Optimization of the preparation conditions for the activated carbon from corn cob through microwave radiation by response surface method[J]. INDUSTRIAL WATER TREATMENT, 2012, 32(3): 55-58.

https://www.iwt.cn/CN/Y2012/V32/I3/55

参考文献

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［13］杨文雄，高彦祥. 响应面法及其在食品工业中的应用［J］. 中国食品添加剂，2005（2）：268-271.

［14］ Ahmadi M，Vahabzadeh F，Bonakdarpour B，et al. Application of the central composite design and response surface methodology to the advanced treatment of olive oil processing wastewater using Fenton’s peroxidation［J］. J. Hazard. Mater.，2005，123（1/2/3）：187-195.

［15］ Sudaryanto Y，Hartono S B，Irawaty W，et al. High surface area activated carbon prepared from cassava peel by chemical activation［J］. Bioresour. Technol.，2006，97（5）：734-739.

［16］ Vargas A M M，Garcia C A，Reis E M，et al. NaOH-activated carbon from flamboyant（Delonix regia） pods：Optimization of preparation conditions using central composite rotatable design［J］. Chemical Engineering Journal，2010，162（1）：43-50.

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响应面法优化玉米穗轴活性炭的微波制备工艺

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