Jellyfish Compliance with SQIDEP · MCU15/0122

Australian Journal of Water Research
ISSN: 2203-9482 (Print) ISSN: 2203-9490 (Online)

4.3 Comparison of Treatment Performance
Event based performance of a treatment device can be influenced by a range of factors including inflow
concentration, flow rate and the characteristics of the events that the device has treated. This paper
compares the field performance of the Jellyfish® Filter under Southeast Queensland climatic
conditions with the performance shown in the Florida study. As the study is still ongoing, it is expected
that further detailed analysis of treatment performance will be undertaken in the future.


Table 6. Comparison of Pollutant Removal Performance
                                                Median Removal Efficiency (%)
Monitoring Program                  TSS                    TN                              TP
Florida                              89                         51                         59
Ipswich (SEQ)                        89                         55                         65

Table 6 presents the median pollutant removal efficiencies in relation to TSS, TN and TP. It is evident
that all three removal efficiencies are of a similar order for both monitoring programs. TSS and TN
removal efficiencies are closely comparable and can be primarily attributed to having similar inflow
quality as shown in Figures 5 and 6. TP removal efficiency does not show a significant difference even
though inflow concentrations of phosphorous in Florida are significantly higher compared to the
Ipswich values.


5. Summary
The treatment performance under SEQ climatic conditions are being assessed by undertaking a field
monitoring program centered on a device installed at Ipswich in South East Queensland. The findings
to date of the field monitoring are as follows:


    •    For the seven qualifying events monitored, median concentration reduction efficiencies for
         TSS, TN and TP are 89%, 55% and 65%, respectively.
    •    Comparison of monitored rainfall events suggests that these are within the envelope of typical
         rainfall events for Brisbane and are equivalent to events monitored in Florida where a
         comprehensive field monitoring program was undertaken.
    •    Monitored stormwater quality in terms of TSS, TN and TP are well within the expected
         stormwater treatment quality for the Brisbane region.
    •    Performance characteristics observed in this monitoring study are comparable with the
         performance reported in the previous Florida study.


MUSIC nodes have been created for the Jellyfish Filter treatment device based on all of the field test
data, which can be found at the following location.
http://www.humes.com.au/precast-solutions/stormwater/stormwater-treatment/tertiary.html




Australian Society for Commerce Industry & Engineering
www.scie.org.au
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