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响应面分析法优化絮凝酵母SPSC01去除Cr(Ⅵ)

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陈丽杰, 汤晓燕, 袁文杰, 王晓珊. 响应面分析法优化絮凝酵母SPSC01去除Cr(Ⅵ)[J]. 环境工程学报, 2015, 9(8): 3773-3779. doi: 10.12030/j.cjee.20150830
引用本文: 陈丽杰, 汤晓燕, 袁文杰, 王晓珊. 响应面分析法优化絮凝酵母SPSC01去除Cr(Ⅵ)[J]. 环境工程学报, 2015, 9(8): 3773-3779. doi: 10.12030/j.cjee.20150830
shu
Chen Lijie, Tang Xiaoyan, Yuan Wenjie, Wang Xiaoshan. Response surface methodology for optimizing Cr(Ⅵ) removal by flocculating yeast SPSC01[J]. Chinese Journal of Environmental Engineering, 2015, 9(8): 3773-3779. doi: 10.12030/j.cjee.20150830
Citation: Chen Lijie, Tang Xiaoyan, Yuan Wenjie, Wang Xiaoshan. Response surface methodology for optimizing Cr(Ⅵ) removal by flocculating yeast SPSC01[J]. Chinese Journal of Environmental Engineering, 2015, 9(8): 3773-3779. doi: 10.12030/j.cjee.20150830
shu

响应面分析法优化絮凝酵母SPSC01去除Cr(Ⅵ)

  • 1.

    大连理工大学生命科学与技术学院, 大连 116024

  • 基金项目:

    辽宁省科学技术计划项目(2012229008)

  • 中图分类号: X52;X172

Response surface methodology for optimizing Cr(Ⅵ) removal by flocculating yeast SPSC01

  • 1.

    School of Life Science and Biotechnology, Dalian University of Technology, Dalian 116024, China

  • Fund Project:

  • 摘要: 采用响应面法对絮凝酵母SPSC01去除水中Cr(Ⅵ)的条件进行优化。根据Box-Behnken Design的中心组合实验设计原理,采用三因素三水平的响应面分析方法,优化絮凝酵母SPSC01对Cr(Ⅵ)的去除。二阶模型的方差分析表明,预测响应值和实际值相符合,针对初始浓度为50 mg/L的Cr(Ⅵ)废水,在絮凝酵母SPSC01用量为10.89 g/L 干重、温度为40℃、初始pH为2时的去除条件最优,二阶模型分析预测絮凝酵母SPSC01在4 h时对Cr(Ⅵ)去除率可达95.47%,在此条件下,实测Cr(Ⅵ)的去除率达93.06%,说明利用响应面法优化絮凝酵母SPSC01对Cr(Ⅵ)的去除条件是可行的。
    Abstract: In this study, the response surface methodology was employed to optimize Cr(Ⅵ) removal by flocculating yeast. Experiments were conducted based on Box-Behnken design and three independent factors viz flocculating yeast dosage, initial pH and temperature were investigated. At an initial Cr(Ⅵ) concentration of 50 mg/L, up to 93.06% of Cr(Ⅵ) was removed under optimal conditions of flocculating yeast dosage of 10.89 g/L,under pH 2, and temperature of 40℃, in good agreement with the predicted value of 95.47% by the quadratic model. These results demonstrated that the response surface methodology was a useful tool for optimizing Cr(Ⅵ) removal by flocculating yeast SPSC01.
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  • 收稿日期:  2015-04-12
  • 刊出日期:  2015-08-13
陈丽杰, 汤晓燕, 袁文杰, 王晓珊. 响应面分析法优化絮凝酵母SPSC01去除Cr(Ⅵ)[J]. 环境工程学报, 2015, 9(8): 3773-3779. doi: 10.12030/j.cjee.20150830
引用本文: 陈丽杰, 汤晓燕, 袁文杰, 王晓珊. 响应面分析法优化絮凝酵母SPSC01去除Cr(Ⅵ)[J]. 环境工程学报, 2015, 9(8): 3773-3779. doi: 10.12030/j.cjee.20150830
shu
Chen Lijie, Tang Xiaoyan, Yuan Wenjie, Wang Xiaoshan. Response surface methodology for optimizing Cr(Ⅵ) removal by flocculating yeast SPSC01[J]. Chinese Journal of Environmental Engineering, 2015, 9(8): 3773-3779. doi: 10.12030/j.cjee.20150830
Citation: Chen Lijie, Tang Xiaoyan, Yuan Wenjie, Wang Xiaoshan. Response surface methodology for optimizing Cr(Ⅵ) removal by flocculating yeast SPSC01[J]. Chinese Journal of Environmental Engineering, 2015, 9(8): 3773-3779. doi: 10.12030/j.cjee.20150830
shu

响应面分析法优化絮凝酵母SPSC01去除Cr(Ⅵ)

  • 1. 大连理工大学生命科学与技术学院, 大连 116024
  • 收稿日期:  2015-04-12
基金项目:

辽宁省科学技术计划项目(2012229008)

摘要: 采用响应面法对絮凝酵母SPSC01去除水中Cr(Ⅵ)的条件进行优化。根据Box-Behnken Design的中心组合实验设计原理,采用三因素三水平的响应面分析方法,优化絮凝酵母SPSC01对Cr(Ⅵ)的去除。二阶模型的方差分析表明,预测响应值和实际值相符合,针对初始浓度为50 mg/L的Cr(Ⅵ)废水,在絮凝酵母SPSC01用量为10.89 g/L 干重、温度为40℃、初始pH为2时的去除条件最优,二阶模型分析预测絮凝酵母SPSC01在4 h时对Cr(Ⅵ)去除率可达95.47%,在此条件下,实测Cr(Ⅵ)的去除率达93.06%,说明利用响应面法优化絮凝酵母SPSC01对Cr(Ⅵ)的去除条件是可行的。

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