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Flamingo 6C:Chloride Saline Systems for the reticulation and treatment of domestic and industrial effluents
Expanded Title:Based on recommendations of the “Salinity, Sanitation and Sustainability” study, Project K5/1621 investigated “Biotechnology of Saline Wastewater Treatment” culminating in the current two-volume report series. Volume 1 of project K5/1621 deals with the evaluation of the ASPAM system at pilot-scale at the Environmental Biotechnology Research Unit (EBRU) at Rhodes University in Grahamstown using synthetic wastewater feed. The operation of the anaerobic unit of the system functioned well, producing sulphide through the sulphate reduction reaction process. Evidence of elemental sulphur in the settled sludge suggests this may be where the residual sulphur is located. The metal removal studies reported here demonstrated, not only the removal of metals in a synthetic influent stream, but showed that metal hydroxide precipitates may be used to remove sulphides from the final stream of a biological acid mine drainage (AMD) treatment operation. This study showed that the basic concept of using algal ponding systems in general, and the IAPS design in particular, as a process design basis for the extensive, and possibly low-cost, treatment of mine drainage wastewaters, has been demonstrated. The second part of Project K5/1621 investigated the use of chloride saline wastewaters for the reticulation and treatment of domestic and industrial effluents. A range of saline adapted culture innocula was sourced to initiate the study. Results of the pilot-scale study obtained thus far suggest that the saline IAPS has the capacity to effectively treat domestic wastewater reticulated in either sea water or possibly other brackish water sources of similar salinity, and to be able to meet discharge standards which are currently required for receiving fresh waters. However, further investigations will need to be done to understand floc formation and algal biomass settling.
Date Published:01/04/2009
Document Type:Research Report
Document Subjects:Wastewater Management - Industrial, Mine water - Mine water treatment
Document Format:Report
Document File Type:pdf
Research Report Type:Technical
WRC Report No:TT 403/09
ISBN No:978-1-77005-860-6
ISBN Set No:978-1-86845-853-9
Authors:Wells CD; Render D; Rose PD
Project No:K5/1456
Originator:WRC
Organizations:Environmental Biotechnology Research Unit Rhodes University
Document Size:970 KB
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