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Show r ~ ' IROD~CT 10'- A ~ A~A~YS:S OF ~ETA~ P~~7!TIO ~ ~~~ IN A HAZARDOUS WASTE INSINERATION SYSTEM c. C. Lee, Ph. D. Hazardous Waste Engineering Research Laboratory u. S. Ey,v i rC:oY,r,1ey,t;;.1 Pt- c:,t ect i C,y, A ~ EY,cy Cincinnati, Ohio 45268 It is well recc';Y,ized that iYIClY,eratlC01"r eof w~~. tes cor C'cofn:)I ... tstico·l", c,f ct:., ~ls resl.\lt~ iy, t"-'ace rf,Etals ernissicoYls. Iy, his stuay eof c.trr',':oSP:-'Er- ic metals KCo\lOi~lc=yk <Ref. 1) ccoY,cll:ded that cC:o~l cO:ornbllsticoYI ccoy,trlb\,.tte::: rn::,s~ c,f the icociY,e (I), arsEy,ie (As). ay,d seley.iur" (5e); blc,wy, sColl cCoY',t t" ~b'_lte~ ~ -, E:- pco t~~, ~~ur(l (-0, "'~~9 '(,'Es;'lir," (ty;~) ., ~1"'C f't1 aY"9aY : E' ~. E' ( ";n ); .,...·E7u r"e ir,C1Y,E · ' C:-'·~ J ·:: 0 ·(. CC'l",t r i out. ec the z i l",C (Zy.), cadrn i Lun (Co), ay,d By,t i , .. ICoY,y (Sb); ay.d Co i 1 ccor,,::,ustlC'Y, ccor,trlbuted the var'ddiufIl (V) ay.e:; y,ic'k.el \Nl). Data frc'~11 t;-,e Shireo incin~.,...ation stucles inClcated that ~poroxiMately 50 percent of th~ lead (~c) anC 5 percent of the mercury (Hg) partltloned int~ bottom ash (Ref. 2). Merel.lt-·y ba 1 al".ee C,Y, ~ 1 arE e p'.Il vet' i Zc-C ee.a 1 fUrYloCE i 1",C 1 cc.~" E-C t~~t partltloning of mercury into tne bottom BS~ is aoproximat£ly 1 pe~ce~ t (Ref. 3). AlthC:olIQr. the EY.virc'Y,rneYlt~l Prcotec:t.ic·Y, ApE?Y,cy (EPA) and tr-.E' orlva-: e sectt:'·,... have beEY. CC.y.d'-'ctiYI~ iY',C1Ylet-atic'YI y· eser.~rch siy.ce the eYI~C'tr'1p ·(', t c,f t :-,e ResC:"_lrc'e CCoYlse ... ' vat i CoY, ay.d Recc.vs-ry Act (RCRA) t ~e elti iss. i CoY'S c·f t rae E r,:~:~; :;, ft'c'f(} haza.,. .... ccous wastE ir.ciY,et-aticon ~ave Y,c,t beEY, eXcHI'tly,eC to:o ar,y g 'r e-at exte'nt. A reVlew cof exist iy,g 1 ite-ratllre' s~cowec tnat iY'lfc.rrr-;c-t leor, eo'(', tra=e Me~al eMission froM field ineinerat~r operation or trial burn stuc~eE is Ve 'i~ y liuiited ay.d lS higi'lly vaY ' i~blE iY'1 l'tc.tl.ll''''e. Feo'r' £xar,1;:,!e, !e-ad e ffi lSSlon data ~t four ~ifferent inciner~tor site~ wlth ~ir pollut:eoYt cc'Y,-:l" 'col (APe) Clevices sr'lCowec ernissic,Y'. rates raY'.giy,g frcor.l B perC'eY',t tc, ~:!. Qer CEnt of t~e input eonce~tyatlon (Refs. 4, 5). Data frOM the C:-O~DUS~~Gl"1 cof waste c:,ilS iY. sm~ll cc.rnmercial bcoile.,...·s i'~ six c.liffel-·eY".t sites 1E.,:')Cowe-C c.. l"aY'lpe- c.f 11. 2 u~/,.'\3 tCI 665 ug/,,,3 fcor at.. .. sey.ic ay,d 5390 u;/rl13 tc. 72, 40,) ll~/r,)3 fcot"' lead iYI the stack gase~ (Ref. ~). Alse" cl.lrre1".t. iYlciYIE'ratco't- f,let.al e r,~ is5iC:'l"1 d~ta de. YIC.t explaiTI hc.w r"etals oartitic.Y, (whet"e metals ~Co al"lC ir. wnat form) curing inci~eration. TrC\ce metals such as ay.ti,,,c,Y".y, aY'seY'lic, oe'rylliurn, cacH,ilurr., C~'l"~C'i!1lll;'I-" :e~. c, ay.c ,,,ercury itYld r,clTI,netallic ele,.,ey.ts such as c::h lCol'-' irlE, brc·rl~ll".e a1"lc fluorine may be present in hazardous wastes. These inorganic~ C\re partitione~ into gas and s~lid phases durin~ incineratlon. FiQuy~ ~ lS 6 siMplified schematic:: of an incineration systeM showing the yariou~ pl~ces wt-.ere 'netal~ wcould part it iC.Y'h Sc.rl1e ,.,ettills rnay stay with bc.tto'i. a;,~" s,:.r,~e May vc.latili::=e at the ir.ciT.er~tie,y. ternperature ay.d sL\bsequerltly c::cOYlceY".s,e onteo fly ash particulates and SOMe may be pre~ent in the gas phase a~ vapcors. The particulates ay.d vapc·rs rnay be oisscolved ir.tc. the 5>':'P''r',t wat.e r" , Ccr,otI.IY·e-C by the air pc.lluticoY. cc.r.trc.l devices, c.r ultimately er,lit.te: c· t.co t.:-,E alr. ~nE release of these particulates and vapors into the atMos~~~r~ ca~ 1 havr- a dlrec·t 1f,'p~ct OY. hUhlal"l health. The metals which rer,ia:.Y. \l>;lth the MS·-, 4 |