n IMIESA - Geosynthetic concrete blocks enhance biofiltration : product news

Volume 30, Issue 8
  • ISSN : 0257-1978
  • Author
  • Source : IMIESA, Volume 30, Issue 8, Aug 2005, p. 48 - 49
  • Accreditation : Department of Higher Education and Training (DHET)



Extracted from text ... PRODUCT NEWS Geosynthetic concrete blocks enhance biofiltration Biofiltering is a wastewater treatment system that biodegrades organic matter. The conventional biofilter design consists of a large diameter, solid, reinforced concrete structure filled with ballast-size stone. Wastewater is piped to an overhead rotating distributor and dispersed onto the stone fill. It then trickles through the stone bed into an outlet system at the bottom, where micro-organisms in the wastewater attach themselves to the bacteria-surrounded stone. The bacteria subsequently break down the microorganisms, which results in the removal of pollutants from the wastewater. However, high oxygen levels are required to ensure the effectiveness ..

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