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Hydro "^ r. : : South Relief Canal Algal Turf Scrubber@ Pilot Program <br /> }j 1 <br /> ly <br /> v <br /> L i db <br /> Ce Iell <br /> ell lei <br /> l ell <br /> cY^::. dliev� g <br /> ell <br /> ell <br /> j <br /> F h <br /> lie <br /> r .�'� <br /> lee <br /> ell <br /> e , n.« 3 <br /> ` r <br /> e L a Pya G `� gyLry^di1' Ag `� x/k ps <br /> iell kx 4 x A 3 ,� of � ,� � ell <br /> L.F 'Y� ., <br /> f. sw �, yn L. 'Z ®v�`. ` , t' a 5 �,r�' i 'h.�ya `% x aa� <br /> (, e . <br /> x ' ' . ✓ 1 ;� x p 3 �y�Cs x� a sA.r <br /> ti "ems r e s5 ,.�� . � � t $. x"fi .fiyq <br /> leeet4 D' a "Mk '`a`il �ai`t'H <br /> ell <br /> wl <br /> S ,/zs a, 'ro s x f" i �i s r��r tom, aa� Q .�cpp�yy 9 �� a . <br /> Me 'ulee <br /> ell % aW eell <br /> p 'mpyS rf Rgrn � ' +. <br /> lie <br /> lee <br /> el <br /> ell <br /> ell <br /> el <br /> 'welie <br /> ell . . <br /> 'z< <br /> zz <br /> lee, ro z td . ° r <br /> , <br /> % > ' <br /> a . Algal Harvest at Flex Rake b . Mixing pile with chopped hay b . Compost Piles <br /> Illustration 2 : Typical Algal Turf Composting Operation <br /> 2 . 0 ALGAL TURF SCRUBBER@ PILOT PROGRAM PLAN OF STUDY <br /> Full scale Algal Turf Scrubber@ systems are typically composed of the following : <br /> 1 . Influent flow delivery system , which may be a low head , high flow pumping system <br /> (e . g . axial flow or Archimedes pumps ) , or a gravity conveyance system in <br /> association with a natural or structural drop in water level , (e . g . control structure , <br /> locks , reservoirs , etc . ) <br /> 2 . Intermittent release control devices or flow surger , designed to pulse flows in a <br /> manner emulative of oscillatory waves . This device is an automatic siphon <br /> mechanism placed on a surger box . The intermittent surging of water helps disrupt <br /> the algal cell wall boundary which enhances the rate of diffusion of nutrients , <br /> particularly at low concentrations . <br /> 3 . An influent distribution system designed to distribute water equitably along the width <br /> of the ATST"' floway , with flow introduced from the flow surger . <br /> 4 . A sloped ATSTM floway that typically includes a compacted soil sub- base upon <br /> which is laid an HDPE geomembrane , and over which is installed a geotextile grid , <br /> which serves as an attachment matrix for the algae . Floway length is typically no <br /> less than 250 feet , with the actual length being determined by treatment <br /> requirements and influent characteristics . <br /> Plan of Study 3 <br />