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磷受控对酿酒废水-微藻培育耦合体系的影响

余江 陶红群 王亚婷 王艺蒸 彭炜东 冉宗信 贺玉龙

余江, 陶红群, 王亚婷, 王艺蒸, 彭炜东, 冉宗信, 贺玉龙. 磷受控对酿酒废水-微藻培育耦合体系的影响[J]. 西南交通大学学报, 2019, 54(3): 655-662. doi: 10.3969/j.issn.0258-2724.20180585
引用本文: 余江, 陶红群, 王亚婷, 王艺蒸, 彭炜东, 冉宗信, 贺玉龙. 磷受控对酿酒废水-微藻培育耦合体系的影响[J]. 西南交通大学学报, 2019, 54(3): 655-662. doi: 10.3969/j.issn.0258-2724.20180585
YU Jiang, TAO Hongqun, WANG Yating, WANG Yizheng, PENG Weidong, RAN Zongxin, HE Yulong. Influence of Phosphorus Control on Coupling System ofWinery Wastewater and Microalgae Cultivation[J]. Journal of Southwest Jiaotong University, 2019, 54(3): 655-662. doi: 10.3969/j.issn.0258-2724.20180585
Citation: YU Jiang, TAO Hongqun, WANG Yating, WANG Yizheng, PENG Weidong, RAN Zongxin, HE Yulong. Influence of Phosphorus Control on Coupling System ofWinery Wastewater and Microalgae Cultivation[J]. Journal of Southwest Jiaotong University, 2019, 54(3): 655-662. doi: 10.3969/j.issn.0258-2724.20180585

磷受控对酿酒废水-微藻培育耦合体系的影响

doi: 10.3969/j.issn.0258-2724.20180585
基金项目: 国家自然科学基金资助项目(31100374),四川省科技重点攻关项目(2017GZ0383,2017SZ0181)
详细信息
    作者简介:

    余江(1974—),女,副教授,博士,研究方向为水污染控制,E-mail:yujianggz@163.com

  • 中图分类号: X 52

Influence of Phosphorus Control on Coupling System ofWinery Wastewater and Microalgae Cultivation

  • 摘要: 为考察酿酒废水-微藻培育耦合体系的最适磷营养条件,对莱茵衣藻、二形栅藻在单一培养和共培养条件下的生长状况进行了观察,并剖析了对酿酒废水中营养盐的吸收去除效率. 采用控制变量法对酿酒废水总磷浓度进行调控,研究了不同磷浓度对微藻的干重、比生长速率、蛋白质含量,以及对总氮(total nitrogen,TN)、总磷(total phosphorus,TP)、化学需氧量(chemical oxygen demand,COD)去除量和去除效率的影响. 研究结果表明:莱茵衣藻对磷需求总体上大于二形栅藻对磷需求,当初始总磷浓度为16.40 mg/L,初始氮磷比为2.45时,莱茵衣藻最终生物量达到839.50 mg/L,藻蛋白含量达到53.37 mg/L,对TN、TP、COD的去除率分别为93.48%、91.75%、67.90%;二形栅藻生物量最高达到650.00 mg/L,藻蛋白含量达到131.04 mg/L,对TN、TP、COD的去除率分别为95.76%、73.93%、83.43%;而两种藻在共培养条件下,其生长曲线处于单一培养两种微藻下的生长曲线之间,TP、TN的去除率分别为83.66%、95.24%,COD的去除规律与二形栅藻类似. 研究发现酿酒废水-微藻培育耦合体系,无论是单一还是共培养体系,酿酒废水总体均能达到地表水环境质量标准(GB3838—2002)的Ⅳ类水总磷要求.

     

  • 图 1  生长曲线比较

    Figure 1.  Comparison of growth curves

    图 2  不同磷浓度梯度下微藻比生长速率比较

    Figure 2.  Comparison of specific growth rates of microalgae under different phosphorus concentration gradients

    图 3  不同磷浓度梯度下的蛋白质含量比较

    Figure 3.  Comparison of protein content of microalgae under different phosphorus concentration gradients

    图 4  第17天不同磷浓度梯度下微藻对TP、TN和COD的去除率和去除量

    Figure 4.  Removal rate and removal amount of TP、TN and COD from microalgae under different phosphorus concentrations on 17th day

    图 5  不同磷浓度梯度下微藻对TP吸收速率比较

    Figure 5.  Comparison of TP uptake rate of microalgae under different phosphorus concentration gradients

    图 6  不同磷浓度梯度下TN浓度变化比较

    Figure 6.  Comparison of TN concentration in culture medium under different phosphorus concentration gradients

    图 7  不同磷浓度梯度下COD浓度变化比较

    Figure 7.  Comparison of COD concentration in culture medium under different phosphorus concentrations

    表  1  酿酒废水成分组成

    Table  1.   Composition of winery wastewater

    指标出厂水预处理后稀释2倍:50%,V/V
    pH值4.876.926.98
    COD/(mg•L–14 037.003 890.001 867.50
    TN/(mg•L–187.7684.8040.25
    TP/(mg•L–135.4134.9016.40
    下载: 导出CSV
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出版历程
  • 收稿日期:  2018-07-16
  • 修回日期:  2018-11-27
  • 网络出版日期:  2019-01-14
  • 刊出日期:  2019-06-01

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