Treatment of wastewater using vermifiltration technology

M. M. Manyuchi, N. Mupoperi, C. Mbohwa, E. Muzenda

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

This chapter focuses on an alternative biological method for wastewater treatment using the vermifiltration system. The vermifiltration system must meet the desired process and design parameters for optimum wastewater treatment. A case study for swine wastewater treatment using a 3-stage vermifiltration process was used. Three vermifilters with media which is comprised of Eisenia fetida earthworms, garden soil, sand and quartz stones were used as the filtration media. The swine wastewater chemical oxygen demand (COD), biological oxygen demand (BOD5), total suspended solids (TSS), total dissolved solids (TDS), electrical conductivity (EC) and dissolved oxygen (DO) values were measured before and after treatment with the vermifiltration at each stage. The parameters were measured using standard methods. Treatment using a 3-stage vermifilter connected in series resulted in 99.2% reduction in COD, 99.4% in BOD5, 99.2% in TSS, 80.2% in TDS and 86.9% in EC. The DO concentration increased by > 345.5%. Application of the vermifiltration technology in swine wastewater treatment allows for effective biological contaminants, and the technology is easily adoptable in developing countries due to its simplicity and treats water to acceptable standards.

Original languageEnglish
Title of host publicationWater Conservation, Recycling and Reuse
Subtitle of host publicationIssues and Challenges
PublisherSpringer Singapore
Pages215-230
Number of pages16
ISBN (Electronic)9789811331794
ISBN (Print)9789811331787
DOIs
Publication statusPublished - Mar 9 2019

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Environmental Science(all)
  • Medicine(all)
  • Agricultural and Biological Sciences(all)

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  • Cite this

    Manyuchi, M. M., Mupoperi, N., Mbohwa, C., & Muzenda, E. (2019). Treatment of wastewater using vermifiltration technology. In Water Conservation, Recycling and Reuse: Issues and Challenges (pp. 215-230). Springer Singapore. https://doi.org/10.1007/978-981-13-3179-4_12