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基于油酸钙加强析出及微生物絮凝剂GA1去除孔雀石绿的方法

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肖怀香, 杨朝晖, 宋佩佩, 徐锐, 熊炜平, 李鑫, 张燕茹. 基于油酸钙加强析出及微生物絮凝剂GA1去除孔雀石绿的方法[J]. 环境工程学报, 2018, 12(6): 1619-1628. doi: 10.12030/j.cjee.201711071
引用本文: 肖怀香, 杨朝晖, 宋佩佩, 徐锐, 熊炜平, 李鑫, 张燕茹. 基于油酸钙加强析出及微生物絮凝剂GA1去除孔雀石绿的方法[J]. 环境工程学报, 2018, 12(6): 1619-1628. doi: 10.12030/j.cjee.201711071
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XIAO Huaixiang, YANG Zhaohui, SONG Peipei, XU Rui, XIONG Weiping, LI Xin, ZHANG Yanru. Method for malachite green removal by enhanced precipitation of calcium oleate and microbial flocculant GA1 flocculation[J]. Chinese Journal of Environmental Engineering, 2018, 12(6): 1619-1628. doi: 10.12030/j.cjee.201711071
Citation: XIAO Huaixiang, YANG Zhaohui, SONG Peipei, XU Rui, XIONG Weiping, LI Xin, ZHANG Yanru. Method for malachite green removal by enhanced precipitation of calcium oleate and microbial flocculant GA1 flocculation[J]. Chinese Journal of Environmental Engineering, 2018, 12(6): 1619-1628. doi: 10.12030/j.cjee.201711071
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基于油酸钙加强析出及微生物絮凝剂GA1去除孔雀石绿的方法

  • 1.

    湖南大学环境科学与工程学院，长沙 410082

  • 2.

    湖南大学环境生物与控制教育部重点实验室，长沙 410082

  • 3.

    山东农业大学资源与环境学院，泰安 271018

  • 基金项目:

    国家自然科学基金资助项目 (51378189，51578223，51521006)

Method for malachite green removal by enhanced precipitation of calcium oleate and microbial flocculant GA1 flocculation

  • 1.

    College of Environmental Science and Engineering, Hunan University, Changsha 410082, China

  • 2.

    Key Laboratory of Environmental Biology and Pollution Control, Ministry of Education, Hunan University, Changsha 410082, China

  • 3.

    College of Resources and Environment, Shandong Agricultural University, Tai'an 271018, China

  • Fund Project:

  • 摘要: 提出利用油酸钙(Ca(OL)2)加强析出和微生物絮凝剂GA1(MBFGA1)絮凝作用去除水溶液中阳离子染料孔雀石绿(MG)的方法。该方法将油酸纳(NaOL)对MG的增溶作用和Ca2+对增溶了MG的NaOL胶团(NaOL-MG胶团)的作用结合起来，使MG以吸附在Ca(OL)2上的悬浮颗粒物的形式从水溶液中析出，随后利用微生物絮凝剂GA1(MBFGA1)将其絮凝沉降。考察了各因素NaOL、Ca2+、MBFGA1的投加量对MG去除率及NaOL与Ca2+相互作用的影响。基于这些研究，利用响应面分析法(RSM)和环境扫描电镜分析(ESEM)对MG去除机理及NaOL与Ca2+之间结合机理进行了探讨。在最优的反应条件下，MG 0.14 mmol·L-1，NaOL 9 mmol·L-1，Ca2+ 9 mmol·L-1，MBFGA1 4 mL，MG去除率可达98.13%。实验结果显示该方法高效环保，在实际染料废水处理中具有较大的应用潜力。
    Abstract: Malachite green (MG), a hazardous cationic dye, was removed from aqueous solution by a novel method containing calcium oleate (Ca(OL)2) enhanced precipitation and microbial flocculant GA1 (MBFGA1) flocculation. This method combined the solubilization effect of sodium oleate (NaOL) micelles on MG and the Ca2+ effect on NaOL micelles including the solubilized MG (NaOL-MG micelles) to make MG separated out from aqueous solution in a form of suspended particles, which then were flocculated and settled out by MBFGA1. The effects of factors, including NaOL, Ca2+, and MBFGA1 dosage, on the MG removal and the interaction between NaOL and Ca2+ were investigated. Based on these investigations, MG removal mechanism and the interactive mechanism between NaOL and Ca2+ were discussed and confirmed by the response surface methodology (RSM) and environmental scanning electron microscope (ESEM). Under the optimum conditions of MG initial concentration 0.14 mmol·L-1, NaOL dosage 9 mmol·L-1, Ca2+ dosage 9 mmol·L-1 and MBFGA1 dosage 4 mL, experimental results suggested that the MG removal rate would acquire 98.13%. These results showed that the method was highly efficient and environmentally friendly, and it seemed to hold strong applied potential to the treatment of real dye wastewater.
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  • 刊出日期:  2018-06-18

基于油酸钙加强析出及微生物絮凝剂GA1去除孔雀石绿的方法

  • 1. 湖南大学环境科学与工程学院，长沙 410082
  • 2. 湖南大学环境生物与控制教育部重点实验室，长沙 410082
  • 3. 山东农业大学资源与环境学院，泰安 271018
基金项目:

国家自然科学基金资助项目 (51378189，51578223，51521006)

摘要: 提出利用油酸钙(Ca(OL)2)加强析出和微生物絮凝剂GA1(MBFGA1)絮凝作用去除水溶液中阳离子染料孔雀石绿(MG)的方法。该方法将油酸纳(NaOL)对MG的增溶作用和Ca2+对增溶了MG的NaOL胶团(NaOL-MG胶团)的作用结合起来，使MG以吸附在Ca(OL)2上的悬浮颗粒物的形式从水溶液中析出，随后利用微生物絮凝剂GA1(MBFGA1)将其絮凝沉降。考察了各因素NaOL、Ca2+、MBFGA1的投加量对MG去除率及NaOL与Ca2+相互作用的影响。基于这些研究，利用响应面分析法(RSM)和环境扫描电镜分析(ESEM)对MG去除机理及NaOL与Ca2+之间结合机理进行了探讨。在最优的反应条件下，MG 0.14 mmol·L-1，NaOL 9 mmol·L-1，Ca2+ 9 mmol·L-1，MBFGA1 4 mL，MG去除率可达98.13%。实验结果显示该方法高效环保，在实际染料废水处理中具有较大的应用潜力。

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