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1 <br /> Hydrorl<;n lo South Relief Canal Algal Turf Scrubber® Pilot Program <br /> phosphorus , increased dissolved oxygen levels , and attenuation of toxic influences . <br /> Recovered biomass can be processed into marketable end products including high grade <br /> compost ( Illustration 2 ) , livestock feed or biomass energy products such as biogas or liquid <br /> fuels . <br /> . . <br /> , <br /> IV <br /> eel <br /> 11". <br /> V <br /> 1119 , <br /> q u <br /> SYS <br /> N �v <br /> �o <br /> 8n dm, r gg <br /> 7s '^ `fit <br /> tit 4 , <br /> If <br /> 19 <br /> Fat " Sx y <br /> I IN <br /> .A3Je <br /> �%r <br /> If I <br /> XqE}z 3-3 jwrr z Aa rn'+VKkwM' �5 a . F XtF <br /> #� s$ *d <br /> Ifi 4 f r ilk. ri <br /> i " d - ' 5 mho..' I`�f 3 11' �� 4t � 8 >. 9 ' 9 2 <br /> , �Mo J„r' 1& �' S '4. .� zn & rai ' "� . e '1 e <br /> s.. y x .. ., R xr. o y yr fi .i, : : a A . . , a„ , WVf <br /> Illustration 'I : Typical Algal Turf associated with Indian River County' s Egret Marsh Algal <br /> Turf ScrubberTM <br /> The Algal Turf Scrubber@ offers the advantage of high areal removal rates for both nitrogen <br /> and phosphorus , which results in reduced land area requirements and treatment costs <br /> when compared to passive wetland systems . Also , as noted , effluent from the ATSTM <br /> process is highly oxygenated , usually exceeding saturation during the daytime , and above <br /> 5 mg /I dissolved oxygen ( DO) during the nighttime . The high level of oxygen eliminates <br /> toxic influences typically associated with low DO , reducing environments , including the <br /> presence of un - ionized hydrogen sulfide and ammonia . In summary , the ATSTM technology <br /> was specifically developed to offer low cost treatment even under low nitrogen and <br /> phosphorus conditions , and is well suited for both stormwater and advanced wastewater <br /> treatment applications , and is a reasonable candidate for resolution of nutrient and toxicity <br /> issues associated with the South Canal stormwater and the RO concentrate as previously <br /> mentioned . <br /> Plan of Study 2 <br />