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I hc hpical prcc;ut tilonnl�iltcr unit is composcd af thrcc scctions: thc cncrgy dissipatcr. <br /> ihc tillration hac, and Ihc outict sump. As Stunn��a�cr cnlcn thc inlct of thc SturmPiltcr <br /> vault �hrough Ihc inlcl pipc, slonmvatcr is Jircctcd ihrough ihc cncrgy dissipalcr imo thc <br /> filtra�inn ha� �chcrc trcatmcnt ��ill lakc placc. Oncc in thc liltralion bay, �hc storm��atcr <br /> hcgins to punJ and percolatc horizontally throu�h �hc mcdia containcJ in thc StunnPiltcr <br /> carlridgcs. Aflcr passin� Ihrough thc mcJia, ihc trcatcd �ealcr in cach cariridgc collccts in <br /> thc cartriJ�c's ccnicr Iubc from �chcrc it is directcd into thc outict sump h� a I ligh Plo�c <br /> ('�,nJuit wiJcr-Jrain maniti�IJ. 'I'hc Ircalcd �ratcr in �lic ou�lct sump is �hcn dischargcJ <br /> �i,��,���i, �i,� ���,�i< <,���i�� n�r� ��, a collcciion pipc or to an opcn chmmcl drainagc �aa�. In <br /> wmc npplicatiuns��hcrc hcavy grit Iu.iJs ure anticipa�cd, prctrcauncnt hy sclUin� nui� hc <br /> nrccssan. <br /> .rss.w �M <br /> sw <br /> �� <br /> sr� � <br /> mr <br /> e��s <br /> r� <br /> r�� <br /> � <br /> sw r�� <br /> �w <br /> � <br /> I�M <br /> MAYIIY <br /> Fi�,urr 2. 'fhr 5�onnPiltcr('nrlriJ�c <br /> ('artriJ};c Oper:Uinn: <br /> �s Ihc��aicr Ir�cl in ihc liltr:uiun ha� hcgins W rix, sturm��alcr cntc;s thc tilurnil iltcr <br /> r:ir�riJgr. ti�arm��a;cr in ihc cariridgc percol;ucs hurizuntall} Ihraugh Ihc lil�cr mcJia anJ <br /> �,assrs intu Ihc cartridgc's crnlcr�uhc. ��hcrr thc Ilaat in Ihc car�ridgc is in a cluscd <br /> (J�,�cm�:irJ) p��yiuun. As d�c ��atcr Ic�cl in thc filtratiun h;iy conlinucs to risc. nwrc �catcr <br /> pa,scs Ihruugh Ihc liltcr mcJia nnJ intu�hc canriJgc's ccntcr tuhc. 'I hc air in thc <br /> r;irtridgc is Jis�,laerd h� ihc��;rt�r anJ purEcJ Gum hcncath Ihc �iltcr hood through thc <br /> unr•�c;i� chcc6 vohc Incatcd in thc cap. Oncc Ihc ccnlcr Iuhr is IiIIcJ ��itli ��atcr thcrc is <br /> cnuugh huu�an� li,rcr an tlic Il�,:u ro i�pcn thc iloa� valvc anJ ailo�c thc trc�ucJ �caicr to <br /> Ilm� inlu Ihc un�icrdrain m;miti�ld. As Ihc ircatcJ ��atcr drains. it trics io pull in ain c�l.�nd <br /> ii. I his causrs thc ehrcl. �al�c tu clusc. inilia�in� a siphun Uial Jra��s pullulcd ��atcr <br /> ihmugh��ut ihr tull surl;irc arc:i and vulumc of Ihc lihcr. 'I hus. Ihc cntirc tiltcr cartridgc is <br /> u+cd �u liltcr��atcr thruu�haul thr Juration uflhc sturm, rcgarJlcss u(thc ��atcr surf:icc <br /> cic�:uinn in Ihc tilir:uiun hac. I'his cnntinucs until thc ��atcr surfacc cic�atiun Jrops lo <br /> ihc rlccati�,n ul �hc scruhhing rcgulaturs. Al Ihis puinl. Uic si�hon hegins lo hrcak and air <br /> is yuirl.h Jra��n hrncalh thc hnuJ�hrough �hc scrubhing regulaturs, c;wsing cncrgctic <br /> s <br /> % I <br />