wastewater Table 1. Macleay Island Biowater™ - a ggregate sam ples, March to Dece mber 04. Date Sampled
3-Mar-04 10-Mar-04 17-Mar-04 24-Mar-04 31 -Mar-04 7-Apr-04 14-Apr-04 21-Apr-04 29-Apr-04 15-Jun-04 14-Jul-04 11-Auq-04 8-Sep-04 20-Oct-04 24-Nov-04 22-Dec-04
Sample No
S28115 S28187 S28245 S28301 S28336 S28425 S28503 S28524 S28639 S28989 S29235 S29466 S29724 S30087 S30091 S30598 Average
oH
TSS
VSS
BOD
5.5 5.9 6.2 5.1 5.0 6 .0 5.5 5.9 4.9 6.2 6.5 6.6 6.4 6.3 6.3 6.3 5.9
mall 26 7 5 8 5 6 2.0 4 12 2.0 4 7 3 4 2 2 4.9
mall 8 4
mail 11 3 <3 5 3 4 4.0 2.0 ND 5 3 5 2 3 3 3 3.2
4
3 4
4 2.0 3 4 2.0 2 6 3 3 2 2 3.2
Dean Cameron, inventor, in front of the cross-section of the Biolytix Waste Treatment System that he made to show on The New Inventors. By the time the sewage has reached the top layer it is cleaner than septic output in a tank twice its size. By the second
Macleay Island Biowater™
layer it is as clean as secondary waste treatment and by the third stage it is as clean as sand filter output.
Aggregate samples from March to December 04
Instead of exporting primary rreared effluent fo r further rrearmenr, which is the most common practice in the US, Biowarer produces high secondary effl uent onsire suitabl e for drip irrigation without supplementary fi ltration. Biowarer™ has advanced significantly on rhe best practice decentralised solutions evolved in th e US. An AWIT, Redlands and BiolyrixTM fu nded demonstration Biowarer ™ System was ins talled on Queensland's Macleay Island in late 2003. Ir rakes sewage from 20 homes an d the Golf Club House and treats it to irrigate the
Sampling and resti ng by Red land Water. Independent monitoring has confirmed ch ar the process and perfo rmance have nor missed a beat, an impressive start up record fo r any sanitation im plementation. ln rhe Macleay Island trial half of rhe houses and rhe Gol f C lub Ho use have In Sink Erators for food waste disposal. The residents were deliberately nor given instructions on how to use their systems, they were simply rold to use the systems as if they were on sewerage. T here has been no odour or operational problems. T he Biowam·TM system has produced drip irrigation standard effluent without any odour conti nuously - something few centralised plants cou ld gua rantee.
local golf course. The initial results were described by Professor Ted Loudon of Michigan Scare University as " remarkably good " with BiowarerTM outperform ing conventional systems.
COD/Tl mqll 47 39 34 33 31 32 44
29 28 29 43 50 36 35 36 36 35.7
Turbiditv
TN
TP
NTU 29 7 5 12 5 9 3 2 31
mqil 46.4 29.1 42.7 44.6 56.2 40.3 55.3 46.6 ND 61 .2 55.9 62.5 63.6 55.5 49 36.8 50.0
mall 7.9 5.7 3.2 3.8 10.3 7.3 11.4 9 .1 ND 12.2 13.5 16.5 3.3 15.6 15 10.3 9.1
4
5 3 2 2 2 2 6.3
DO mail 4 0.6 4.3 4 3.9 4.1 4.0 4.1 4.6 2.8 1 1.3 0.1 0.7 2.1 1.1 2.6
The MED U design for the Macl eay Island Project used a conservative 2 mm/day DIR with nitrogen being the constraining nutrient. In rhe fu tu re, some bore log work may confirm whether this loadi ng rare is too conservative, which is likely if it is to irrigate a home orchard or gardens. This assumption is based on establ ished crop nitrogen requirements fo r productive citrus trees of more t han l kgN/yr. The CRC fo r Waste Management and Pollution Control and G HD engineers have both looked at the economics of Biowarer™ and concluded rhar it can save up to 60% in rhe up fron t capital required for co nventional graviry sewerage. Their independent feasibili ty reporrs a re avai lable on www.biolytix.com or directly from these orga nisations.
The Author Dean Cameron is an invenror and Managing Director of Biolyrix TM T echnologies. He spent 11 years developing the BiolytixTM Filter. Email deanc@biolytix.com
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