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Effect of ElasticFiller on Pollutant Removal in Each Compartment of ABR

Author

Listed:
  • Chao Zhang

    (School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China)

  • Guozhen Zhang

    (School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
    Engineering Research Center for Comprehensive Utilization of Water Resource in Cold and Arid Regions of Ministry of Education, Lanzhou 730070, China)

  • Fuping Wu

    (School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China)

  • Tianhong Zhou

    (School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China)

Abstract

This study was aimed to explore the effect of elastic filler on pollutant removal in each compartment of anaerobic baffled reactor (ABR), ABR with elastic filler, and ABR without elastic filler were compared. The result showed that elastic filler increased the removal rate of chemical oxygen demand (COD) and suspended solid (SS) in the first compartment, decreased the removal rate of COD and SS in the second and third compartments, and had little effect on the removal rate of COD and SS in the fourth compartment. Elastic filler increased the increase rate of ammonia nitrogen in the first and second compartments, decreased the increase rate of ammonia nitrogen in the third and fourth compartments; elastic filler had little effect on the nitrate nitrogen, nitrite nitrogen, total nitrogen and total phosphorus in each compartment of ABR. In general, elastic filler could improve the removal rate of COD and SS of ABR but had little effect on the increase rate of ammonia nitrogen, the removal rate of nitrate nitrogen, nitrite nitrogen, total nitrogen and total phosphorus. Elastic filler slightly increased the concentration of formic acid, acetic acid, propionic acid, and butyric acid in the first compartment of ABR, and slightly decreased the sum of formic acid and acetic acid in the second, hird and fourth compartments. Elastic filler did not change the composition of dissolved organic matter (DOM)in each compartment of ABR, but changed the kinds and contents of aromatic proteins, soluble microbial products and humic acids in each compartment of ABR. Elastic filler had little effect on ABR in the removal of aromatic proteins, but they could improve the removal rate of soluble microbial products and humicacids. Elastic filler slightly increased the degree of DOM humification (or maturity) in ABR effluent, but did not change the main source of humus like substance and DOM in ABR effluent.

Suggested Citation

  • Chao Zhang & Guozhen Zhang & Fuping Wu & Tianhong Zhou, 2020. "Effect of ElasticFiller on Pollutant Removal in Each Compartment of ABR," Sustainability, MDPI, vol. 12(6), pages 1-16, March.
    • Handle: RePEc:gam:jsusta:v:12:y:2020:i:6:p:2325-:d:333274
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    Cited by:

    1. Yasmin Saif & Mahwish Ali & Ian M. Jones & Safia Ahmed, 2021. "Performance Evaluation of a Field-Scale Anaerobic Baffled Reactor as an Economic and Sustainable Solution for Domestic Wastewater Treatment," Sustainability, MDPI, vol. 13(18), pages 1-11, September.

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