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玉米芯为碳源铁屑协同生物麦饭石活化颗粒的硫酸盐还原动力学及其锰离子响应实验

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狄军贞, 安文博, 戴男男, 朱志涛, 江富, 任亚东, 赵前程. 玉米芯为碳源铁屑协同生物麦饭石活化颗粒的硫酸盐还原动力学及其锰离子响应实验[J]. 环境工程学报, 2016, 10(3): 1103-1108. doi: 10.12030/j.cjee.20160316
引用本文: 狄军贞, 安文博, 戴男男, 朱志涛, 江富, 任亚东, 赵前程. 玉米芯为碳源铁屑协同生物麦饭石活化颗粒的硫酸盐还原动力学及其锰离子响应实验[J]. 环境工程学报, 2016, 10(3): 1103-1108. doi: 10.12030/j.cjee.20160316
shu
Di Junzhen, An Wenbo, Dai Nannan, Zhu Zhitao, Jiang Fu, Ren Yadong, Zhao Qiancheng. Experiment of reduction kinetics of SO42- and response of Mn2+ on scrap iron cooperative biological medical stone activation particles with corncob as carbon source[J]. Chinese Journal of Environmental Engineering, 2016, 10(3): 1103-1108. doi: 10.12030/j.cjee.20160316
Citation: Di Junzhen, An Wenbo, Dai Nannan, Zhu Zhitao, Jiang Fu, Ren Yadong, Zhao Qiancheng. Experiment of reduction kinetics of SO42- and response of Mn2+ on scrap iron cooperative biological medical stone activation particles with corncob as carbon source[J]. Chinese Journal of Environmental Engineering, 2016, 10(3): 1103-1108. doi: 10.12030/j.cjee.20160316
shu

玉米芯为碳源铁屑协同生物麦饭石活化颗粒的硫酸盐还原动力学及其锰离子响应实验

  • 1.

    辽宁工程技术大学建筑工程学院, 阜新 123000

  • 基金项目:

    国家自然科学基金资助项目(41102157,51304114)

    辽宁省自然科学基金项目资助(2015020619)

    同济大学污染控制与资源化研究国家重点实验室开放课题(PCRRF12015)

  • 中图分类号: X703

Experiment of reduction kinetics of SO42- and response of Mn2+ on scrap iron cooperative biological medical stone activation particles with corncob as carbon source

  • 1.

    College of Architecture Engineering, Liaoning Technical University, Fuxin 123000, China

  • Fund Project:

  • 摘要: 利用聚乙烯醇和饱和硼酸,添加30%SRB污泥、5%玉米芯、2%铁屑和3%麦饭石包埋制备内聚营养源的SRB固定颗粒,将完全活化的SRB颗粒作为研究对象,探究活化颗粒对SO42-反应动力学过程及其对高浓度Mn2+离子响应机制。结果表明:活化颗粒还原SO42-的过程符合一级动力学模型,最大还原速率为94.88 mg/(L·h);高浓度Mn2+可抑制活化颗粒的pH提升能力,延缓碳源的水解速率及SO42-的还原速率,而不会抑制水解过程并延长缓滞期,更不能降低最终去除效果。可见,以玉米芯为碳源的铁屑协同生物麦饭石颗粒处理煤矿酸性废水是有效并可行性的。
    Abstract: When adding 30% SRB sludge, 5% corncob, 2% scrap iron, and 3% medical stone to prepared fixed particles on SRB with an inner cohesive carbon source, taking activation particles as the research object, polyvinyl alcohol and saturated boric acid were used to explore the reaction dynamics of SO42- and response mechanism of high-concentration Mn2+ to activation particles. The results showed that the reductive process of SO42- by activation particles was well fitted by the first-order kinetic model, and the maximum reduction rate was 94.88 mg/(L·h). The adsorption isotherm could describe the adsorption characteristics of Mn2+ perfectly; the maximum adsorption was 0.998 mg/g. High-concentration Mn2+ can inhibit the hoisting capacity of pH and lower the hydrolysis rate of the carbon source and reduction rate of SO42-, but cannot inhibit hydrolysis, prolong the slowing phase, and maximize removal rates. Therefore, using corncob as the carbon source, scrap iron cooperative biological medical stone is effective and feasible for repairing acid mine drainage.
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  • 收稿日期:  2015-06-15
  • 刊出日期:  2016-03-18
狄军贞, 安文博, 戴男男, 朱志涛, 江富, 任亚东, 赵前程. 玉米芯为碳源铁屑协同生物麦饭石活化颗粒的硫酸盐还原动力学及其锰离子响应实验[J]. 环境工程学报, 2016, 10(3): 1103-1108. doi: 10.12030/j.cjee.20160316
引用本文: 狄军贞, 安文博, 戴男男, 朱志涛, 江富, 任亚东, 赵前程. 玉米芯为碳源铁屑协同生物麦饭石活化颗粒的硫酸盐还原动力学及其锰离子响应实验[J]. 环境工程学报, 2016, 10(3): 1103-1108. doi: 10.12030/j.cjee.20160316
shu
Di Junzhen, An Wenbo, Dai Nannan, Zhu Zhitao, Jiang Fu, Ren Yadong, Zhao Qiancheng. Experiment of reduction kinetics of SO42- and response of Mn2+ on scrap iron cooperative biological medical stone activation particles with corncob as carbon source[J]. Chinese Journal of Environmental Engineering, 2016, 10(3): 1103-1108. doi: 10.12030/j.cjee.20160316
Citation: Di Junzhen, An Wenbo, Dai Nannan, Zhu Zhitao, Jiang Fu, Ren Yadong, Zhao Qiancheng. Experiment of reduction kinetics of SO42- and response of Mn2+ on scrap iron cooperative biological medical stone activation particles with corncob as carbon source[J]. Chinese Journal of Environmental Engineering, 2016, 10(3): 1103-1108. doi: 10.12030/j.cjee.20160316
shu

玉米芯为碳源铁屑协同生物麦饭石活化颗粒的硫酸盐还原动力学及其锰离子响应实验

  • 1. 辽宁工程技术大学建筑工程学院, 阜新 123000
  • 收稿日期:  2015-06-15
基金项目:

国家自然科学基金资助项目(41102157,51304114)

辽宁省自然科学基金项目资助(2015020619)

同济大学污染控制与资源化研究国家重点实验室开放课题(PCRRF12015)

摘要: 利用聚乙烯醇和饱和硼酸,添加30%SRB污泥、5%玉米芯、2%铁屑和3%麦饭石包埋制备内聚营养源的SRB固定颗粒,将完全活化的SRB颗粒作为研究对象,探究活化颗粒对SO42-反应动力学过程及其对高浓度Mn2+离子响应机制。结果表明:活化颗粒还原SO42-的过程符合一级动力学模型,最大还原速率为94.88 mg/(L·h);高浓度Mn2+可抑制活化颗粒的pH提升能力,延缓碳源的水解速率及SO42-的还原速率,而不会抑制水解过程并延长缓滞期,更不能降低最终去除效果。可见,以玉米芯为碳源的铁屑协同生物麦饭石颗粒处理煤矿酸性废水是有效并可行性的。

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