Document wdb51yRQk115ZMny9n9K4ML3

LIA09856 siX.i i* f " .-.r rr ' * 5? e pels e? twiess tr?w# 6&"'! e4sS* e. c.` Lr Si.-';kei <> Uj"- r* * U* twh t'; :~-c WJ-C'i i-;. V !} 113 y~i! '._5 IS E.W- ;Ct s,:i icsi %iaisrM t!C tsrilk: f- - ik' = 'e t&;.* g(*,,js1l eas*&Sias? cs-:.i iayia; tasiirr <rs.%z <f -. fes-ir- ?.v" -f. ~a cwft e? t&a Scad Iia?A t*"it tosrersa ;evi 3 tactics t f*suu.? 5v iva iaprojar 6&itc-a coca ia-erusWas tsad wsriiljp^sos to re. eieh Vftc'cet or troy to ciioa? ts*oc? rssajers c? si4a posts,, pit;.;. LI'Ally (.Xccj ths tc.rjf sides, is tole* tha acra.plag ctCsti of tea voedan gal assf inw ... * . l Load pips baa tlrca good asrrias is this plant. Esrereg la talrea they tero 8! replaced IkJ aeota with rubber. yenaerly Ic&d llaod voir boxes voro sued, heovrer f tiisco foiled e.s tha c&o Inch holes la tiw faofflo plate* celargod by orosioa and acid fits cirruster1tie# wore distorted* B, JCTgOasWH 11 loo gsl Is as absorbent prepared froa ths senpuleties of a soil oilal selt tica of silicic cold. It is a isrd glassy subatesea, tha tens "gal* nercly ledioitea ths osr.'.itiea of tho satarial during eaa stag* of its awrofcctura* It rsaeahlee k clear e- .rtr *i.nd and tec the *hstiG&l aoc,j*5aitiea, BVX,, Ellloa g*l is a highly porous sU-aoters with unlfora ki-ra&gssast tod cits of tlx* ports. Firipelpel of silica gel is for tha cbsrrptiea cf smlfVr dioxide, tsatecoj baatlr-s end cthr eatcrlals. It la Mtlnotad that 1 gma of tllUs gsl las ftt esp361 (sw'Y-t* eras. of 60 sq. ft* This fw.tx.rs enables It to cet as a t&talyob oi-rrler for plr.tlraa used la tl ovat et prsesss for sulf-srla .ail tsufs4rtr0t Fe tro.'-r-.c r-tv'lr;, cj'tsn dlosiio purif ioitloci aad Otswreus oth-.-r proosam e,-V ct t; ; ~,,'i .v prop-rtio* of tUSii gel. It 1# later.** to Rato tlr.t eset of tts t-'i sol'.-;-; la EJ*tii lajflsa ar *do la rctaas trturo illue (1 it far Iss Stylrot: ...j cf dir to redaas tM b'dn&Uty to os la m l^t ! N3124 LIA09857 ___ *'...:. ('*'\ Chasifcl fcUette Bo* XT a 6# mr . * zessuessshs , A csrfctia Rscant f eor-asy **esMjr pwsto isnsiry Sato tho teJttid jr?^* of t'n r..s*e tt:> produsUea of. silica r.r* by rtt&.<& cf eerteia js'iy.r-..ifc'Si ef IS:- ,,i ej-Vm siitoais* with sulfurlo esii tdiw# pHoe wvis? >*;-:; ly t>-, ; lei c-r.-C'.v' '.`'rf-a l...'? eJavc^ is eca'dlot'.iS i*to a V>i?c;-sb v^'.k;. te;;>4 th? ftr, c? ; ttlifi y ^ in itj-Wta1 by 6 ts istf-, 5&! Sa fcrsl-aR s~* pr.i vs;' ;d - t<s pr?.r.t\ tho fc^'-Og ferasd ia .tho $fea hyireg*! esEtei&a fci^ aUf eis* - 2f$ silica* fhs wnxh tewor* oro gccfr&Up osretpsd la groups chlah eet togiMiiar m 6 izitt a i&a Xtare*' trwp* t*r m oipst vwar*, e&o tbfcys sapty* tfeo eifcv? mws. cj?.'s>isi"r weodea boxes partially filled tdth g*l la toritta *te'-?o f fi 40 i.?> esiic^ cysts* St* hcS (143 ITS0 f.) Ciisto EjSO* wo*h eeJaUca (4 |l) is . jKri tlr^.3 ta first tow. whioh oeetaiss si that te.eV.iVrgrass *11 tao previous wteJiii.r' stegos* The nsld wash soluti 1* etUl fairly clean tad it 1* yaes< threc^i the seat tower which ewrtalaa gel that lias wsiergeso til proricsia sashing tte&3 but esc* This oatirwc# to tho kit totir vhero to* nearly spent told washes freshly cade ill it* gel *nd 1* then discorded* Is this say tits clean* froth acid first oorrtacts ths slaost oacplctoly washed gel fer 6 to 9 hour* prior to it* r*~ botoI for drying and pooling* i .i Two large wood boxes r partially filled with unwashed gsl snd these sr* pissed la the towers for washing (see drawing)* forserly Id trays of gel were put in eseh wash Xonr, but the stsoling of these was eftea ur.Tcn or bceasa so ia fcaaa- Cilisg *ad ss offset tray with its brass fittings la the ocr.iere could gouge or tear the lead lining as the trey* vsre plnood la or withdrawn fras the toww* Very ro; *stly the ehnege has bo aaia Craa 28 treys to 2 boxes, the boxes har* elote i eleoronse with ths lend tower well end ore liftod out by aoone of brass rods ia the fora of on lzrrorted "V" on two sides cf the bex# JLn oTorhood treTelling eru&o truns* ports the boros to the unloading st&ti. Wash sold 1* proparod eontinueusly in a largo wooden open top tank by adding a trioklo of ocneoctretcd sulfurie aeld to inflowing ttronat of sold actor and low pres sure stern. This hot solution is pvapod through stool plpo to * stool hoedor tank fraa srtiieh it flor* by grerity through lead plpo to a stool* rubber ocrorod wolr boot whoro a series of 1 in* holes out on the diagonal of a sector plate ecatrol the flow, rTM tho woir beet* wash liquor floor through load pipo by gravity to a lead lined flew distribution box and then into the cash towars as shown oa the drawing* A fless dlstributlon box with otnooetions as shoao In tho drawing Is looato4 at tho working floor lord near cash wish t<wor. Dilute cold for washing is routed through those boxos frees tewor to tow tad also fro* tho woir box to tho initial tarer and to tho drain frow tho final wash towor. d. KyiiTHTST Dsscaimoa , Tho wash towers ore aide of 8 lb. ehenlrei shout lead ' j?? wtod ly a erlbblng of 8 x 8 la. yollcw pino tlabors. Tho drewiry gires a gu^r.-l Idea of tho oonstruo* iQtioo but docs net atirspt to i 11us tre to all tho plpo eennotions froa towers to *, - jj | I i [ i { L I A09858 /sodesl foiXletln Be. If S .has* S* 1D47 is$Ttlv':im t-ww The taw are 4 ft* 8 la. equero eafi IS ft. ds>sp aad are pro* vii..-i r?.v.i a light voteas ecr-sr. la the bottoa twm&r at Pish tess? tissre i<3 & 1 "? w.'.''lo osrsot ' r stop whloi act* as * support fer the &'<!* l-suss e4 oHsts eirrsc-ii'.ia ef the liqold threujh the ec&ter area ef the Vcs* A e!.e 6-.h teri.-i -l-;.;vs er4 Uxsf ei&aa Is jwooss&ry to ft a k^eu fZ:v ef y - valss**' Enr.';r- ?n tia lead* especially is the mcMa fees bees eseecc? v'2*cs wt* ik-j ti- r..i-.:: i la flao* wrcisa hoses w to 14 tswyj fe4sh fbsEcl? tas<? 1..* t-izsi - cf e?i v.^h bas. TJ*m* tray* hsl ferese fitting* la thalr ecrsssfs ninh tsar/the lirir? solace they vara feusdled with great acre Utk 1* ecrtoJ&ljf lease*! cbkm asei t; - ./* Ecfapo ate^tej to the beaos It m eoeosacry to lead csd wslcad tS*tr&i-2 la tv-rocs filial vine's tash eolation fcsaplsg thsa allied h btet tta eC^ss v? ecr&tve v.vaXd prejaet eat to rip the lend. Tso wooden toesa era jsesr uses! a eksaa la toe <T. .- aad tro handled by assst ef kmi rede- ca tar* eidoa which &. ksa&& to ca c^'-ieidxA toerellog eras*. So fsr as ould be secs* th&re w%ra so g&jp feresa edges exposed on the boxes sow bslag used whish sould damage toe lead* A alight decrease la dsaage to the lead m gained by using a double thle!l> Mil of lead la the earners. tkvt-rw, this la sot e solution to the prcbliss* nor haa th* change from a ausber ef treya to too bexea oenplatoly allalaatod to* <fce3.j- lag e raplag effoet. Tha flea dlatrlbutlea box le also fabrleated fro* 8 lb. sheet laad end la roughly 14 x 10 la. by 10 la. daep. too ef those la located about too feet frm eaeh toear ead alio ha* a rood aeror. Various routings ef ttio vash liquid eon be ebtolaed ) "by Bcens ef this box tad thas ellalix-to sororal Talres por u_sh teeor. This la 1> I ^xa-tiat ehoa you eoasldor ralrlag oaah of too 69 wash teevrs uaod la thla proeota. fho voir box vaa formerly of all lucd eecstruetloa but the 1 la. holes sot ea the diagonal of the oootor pi-.to eroded clth tho floe of hot sold aad beeaae an* largsd. This resulted la Irregular sold flee and to oorreet it* steel boxes eas plstoly rubber oorered were aubstltutod. these hare glrea exeellent serrloe aad It 1* unlikely tret laad aaa iup-plant rubber bare. i \ lead pipe of t aad S la. sites* l/t-ln. wall* giro* good serrloe La thla plant. Bills ttOKeaaa lead rslros hare glrea good serrloe exoopt that the lead teat* j wore out In 4 to S aoaths Theeo teats wore replaaod with rubber sad tha ttao nJLrec j hr.TO alno* glrea good torrleo. for p'japs they hare usoJ Bastelloy C, Illlvtt aad stalalost stool* 3/ld la. thlsk. Senll praps ef Illlia hare glrea tho best scrrlee la 10 years of operation* although told to coot #2200. t. organs mm la a lnrgor portion ef tho plant, slllen gola.of other gyndoe are propared. These do not require the sash sold to be orer 120s T, aad eonorete tanks lined with a nestle natarlal, said to be supplied by the Ralph V. Kulon Ccrrpany of Phlladslphta* ar* glrlng rsry good *errlet. Tsnperature is the forming faotor hore as the settle will not stand up at teaperature* orar 120 f Theta tank* ar* quit* large (roughly 10 ft. eq.) and the gel it rored by ne&ns ef * olss shell buekst. Osmg* to the sastl* lining 1* prerun ted by a eotsplete eorerage ef hesry tlator. The tanks were built la 1H3 and only an oeoasloac.1 tlnber It replaeod* usually tram dosage ,Joo* by ths slos shell buskat. . < LIA 098 59 Chrcclonl Pollotia So, If r. covcLosiata *4 Am* 8, 1MT 1* Suh fowora THoro la co problem of oerrealea of lead Involved, Dicestirfa*Lica lto load results fress it* ueo wht-ro t>o provides hac boon oado for prot^iiaa cgalset t-o&rfcg cf too load tJ5.ll -- to cerroet this, buffer* should bo saoC, eitoar vood rtgsr.cr# la the corner* or ctrlp* of rubber would soon to bo a vary eisplo aar-fig of protecting tho lead. .* 4 - . Kir ton* Whilo loaf was fonecrly wood, eroalca of tho boloa la too coster plats doatroyad flew ehcrcotcristlas cad too ensuteg *huigo to robber haa proved very cat* i*ftstory, Thoco night still bo load unit* If dotlpnod properly uic$ caotsse? E2 tcrial to fom too odgoa of too boles whore crealoa later ruled load ooejjlotoljr eat cf too pioturo. S, Pipe -- folroa -- Pa^a too cad throo lash load plpo haa prorod actUfaetory boro* Load vclvoa have flrca good aorrleo except tost too coats voro out la throo to four uoctoa* Tho aaao vclvca hero given cxocllest gerrioc alto too nao of rubber coots, raw If cay puEpi la thia plant aro of load, Baetelloy C, atalaloaa etcol cad mitee have 1 given good aorrloc, Xllliaa p-stoa cro too noct expose ivo but have given tho t ccrvloo la headline too cold wash water. { LIA 09860 ACC- CV"^Y i .,U-t V- f- 'ETfcU. Hc^SEP, TXWK-fS !' "'RJ2SSA K.* JRUBBER LINSO WEIR BOX now oesmsonow eox. W*wn Ui^VU^ j LEVEL t' !T.: -< '*if C*"-6LS.S>CET IXAO^Plff^LEAO PePeH K H N. VLL Vs TO G&AiN SUPPORTED Bf WOOSY'jRA j ATTACHEO TO T0WAS LEAD PIPE TO NEXT TOWER V*A PIMP AUO NEXT DISTRIBUTION BOX WASH-TOWER E>*>ty WR$H-TQWfllN USE. CRAWL FLOOR SERVES AS DRAIN LEAD INDUSTRIES .AO UNCO WASH TOWERj BY KUCHUftCH JR. ASSOCIATION S!LCA CEL YASH PROCESS MAY 20,1947 420 LEXINGTON A/E.HY. 17, NYjCHEMCAL BULLETIN NO 17