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<br /> <br />CHEMICAL FEEDERS <br /> <br />MECHANICAL MIXING BASIN <br /> <br />0<['11(..1. <br />fHO <br />SUU, <br />N\':{I""0 <br />"'..... <br /> <br /> <br />~>-t'H~ <br /> <br />Y <br /> <br /> <br /><:HEMlCAL <br />CO'MVOQ <br />/ <br /> <br />1l-lE"MIXING IS1'l4EN <br />(.()NTINUEO LES9 <br />VIOlENTLV E[11..{ER 8V <br />REOUClN611<E SPEED <br />0. Tl-lE MECI-lANICAL <br />MtXERS~6'lZIG- <br />ZAG FLOW ARCOND <br />A SERlES~ PARTI- "':. <br />TIONSINABASIN. <br />11-IISADDlTIONAL MIX <br />AIDS Tl-lE REACTION <br />~ 1).(E OJ.EMrALS <br />Wm-l WE WATER'. <br /> <br />BAFFLED MIXING BASIN <br /> <br /> <br />NElC.T THE' WATE'R <br />IS VIOLENTLV <br />AGITATED l.l5l..lALLV <br />IN'S()\t\E 'TYPE a: <br />MECHANICAL <br />MIXING, BASIN <br />10 DIS~BlJIT <br />Tl-lE CHEMICALS <br />EQUALLY <br />1l4RCJt..)Gl.lOUT <br /> <br />. <br /> <br />~, <br /> <br />~. <br /> <br />I <br /> <br />'N\.IEN 1l-l.E WATER REACI-lES -mE. TREATMENT <br />PlANT,O-ew\lCA1.5lO \.IELP RfNOIE lI-IIPURlTlE'G, <br />TO KILL I4ARMR.l. BACITRlA.1O C€STROY ANY <br />BAD TASTE'SCRCl[:lC:R5.Af'.lQ IF NECE95A.R'V, TO <br />N\AJl..E lHE 'SUPR...v 9:lI=TER CRlO /'NlJ<.E rr lESS <br />RUS:r-FOR:MING, A~ADDE'D. <br /> <br />i\ <br /> <br />'1\ <br /> <br /> <br />. <br /> <br />o <br /> <br />~ .', <br /> <br /> <br />SEDIMENTATION BASIN <br /> <br /> <br />... <br /> <br /> <br />FOLl..O'N\NG CCiv'PLETION <br />OJ: 1l-lE D-u3'v\ICAL RE- <br />ACTIONf;,.l\.lEWATER <br />ENTERS 1l-lE. SEDI- <br />MENTATo..I BASINS. <br />WHERE, WIn.l.1l4E <br />WATER AlMOST STILL. <br />/II\AN'I OF ll-IE CHEM- <br />ICALLY Il?EATED 1M. <br />PURITIES '?liNK TO <br />114E BOTrOM <br /> <br />, , - - ~~ <br />~ ,,~ ! '3".. . - ,... 'J <br /> <br />FROM 1l1ER€, 1><E PARTlALL V <br />CLARtFIED WATER GOES 1HR()..)GH <br />~ILTERS. VII\-IERE ~D AND GRAVEL <br />S'T'RAIN our ~E REJ./IAlNING lMPUR- <br />rnES.IOA FILTE.~ED WATER' <br />RE~R. BECAUSE1l-IE1M- <br />PUR\TIE'S COLlECT ON"l'l4E SANQ <br />"l\.lE ~LTERS MUST BE KEPT <br />CLEAN,THIS IS OO\lE BY WASl-\- <br />IN" wlTl-I FILTERED WATEl? 1)5. <br />UALLV FORCED UPwARD1l<k0J6H <br />~E GRAVEl. AND $AND AND ll-{EN <br />DRA1NED OFF INSPEClAl.GUlTERS <br />