Document Yr3Mk3M4pLvVMLojV47On26kV

m VPV* LIA10250 LEAD INDUSTRIES ASSOCIATION 4** LCHIWOTOH vmw MCW VOM IT. M. . MCTALLJC t*A0 WWOOOCT* DtVtStOW *iy 9, 19ft cterrcAL Bsiixnn no, M SUTUrCTi C0KTR0U4IO c o r r o s iv e ;.n p o l k ;tuns To Mesfcert of th Metallic lead Predict* Dialalow Attached la a reprint of en artlcla entitled ^ontrolHnf Corroalve Air Pollutants* which we* published In the May, 1???, issue of *ilr Repair* u;itin, Thla la the official publication of the Air Pollution and Saoke Prevention Association of Aaerlea. the article describes hem the two principal corroalve air pollutant*, sulphur dioxide end sulphuric acid aiat, are cow trolled through the uae of aodern lead protected equipment, A Halted quantity of additional copies are available. Up to twenty-five coplea nay be had free of chary*) larger quastitiee nay be had at our oort of ala cents per copy. Very truly your*. Secretary ^4/ mnr u ni4rj*teMiiar- fTr-- LIA10251 CONTROLLING CORROSIVE AIR POLLUTANTS fcj Kmmx > H Ro il Li+i Mt.Ur-11 AuttietlWI Nrw Yurt. N Y. j . * 4mr* irf s A*<*c-t V#*<*>* ir**AAr* U kM am a 4 ima*** *| P+a vif< ifi jr* >i ul 1 Thr t>nvi Sekf Epaa^ir*. thr IA*4 lant avra u/ Mifune k >J Un aart than f'&**rd tK> fmrral aaanr* <4 mack, Rk j T'>ix Uu Epu Jrt, the L Anfc half a century, arvj in thr lart ftvr yeara, JrprTKUni <jn hnhrr thr rJhamt i* an V* prvMcm wub tulfun^aa fawi$. anJ. aco^iiinc to ChriHI Nk'er^, av 0 to am *4 t a fm m frnrral, the o4&pUtr>u oi auny karah 25 chrmKal plant* haw aprnt In thr ur <4 an am4, tuch u ttth Rin tu4l(J near imUtruJ (jptftikM i*** t*i ajjrj fjKilrtan to an*nj ait fwiv acW a mC. thr pr hlrta u mp>y erw hrw aQ arrmJ to funt up thr imp* putn al*>r i/k J pay a HD of $5/*0,- 4 (illcvtan. tf thr partKka mhnj* in unct <4 ct*rtrvihn| air r*Jh**r> <aund Hr n^Nvr air pu^luUnti, at vrh^k aul- fur anj awlfunc 10J Bu4 appear t>> Sr thr chirf tdfmdrr* Thfu<h thr pnWrm ku hm Hutkt k pul^K f`*"ua narr frwmttr, it Km k 1 t^H> hrm wnJrf flujy (<r many year* f rty tn> yrafa atf j . thr A*rfH an hmrlt- r< y Rrf>mn| O #npanjr at Sr^y. ('-abf , m4atlrJ thr fcfrt Mtt*fa*Vy (lavutvrtial rlcvlAutatH pifu ipitaM to aupper* aoJ mi** pfikkkfi) ih*ftrvj fii| a*tkj M^wf |sif1o| uprtitMa i4t *Jfur th>*Jr (ii ha* hern an **p* Wti a yrir to operate ikm Problem Not New Rrvauar thr art pikitin |rHm M r<t no* mj^ury hai h*J ample time to Jrwkp anj pvffrvl appropriate * irJKof rvfujpmmt Thr ppnavh u* the n#>tf.4 *4 *irn*uw air pJIvUnt* ha# |*4l It fweami MU | l*f4 * i' im a*d iLn^ni w N- **e +J* w | l^^-w T* |*i lU w4 I * l % H|*>a lr*W>J |<1 *eJ A X. *.*!# |l *h Ml urn*J l* tifk I I U *.. i!.t l* ^ t*;l*>4 '* k* it*** h* ewM-e irfr |> *>4+14*1 Inw* m* el >* m>M< 1*4 i*ww< 4 tfc* 4'*t**1. ***4*M * U A Pw Mk Hniii Wrvk* w>etf(44n. r* h l*<i u a pn4 at 4m t * tW peewk.1 +4 *J'v* to-*` 4+ <4 imm I* W *m }) iu r"k* *< *< r*'ik4 rii m iM M, 1*4 ) > lU itrWr r*m4 mI >^e > m 4*l M ^* *4 |Uf Hr f**- ik'Wy M M IMIN f*mi l)l |Hin4 tHti-yi* *4li V*rw^ fiM* *<apwe+4 I' * rei**e* In ()- im^erilarf tom m- i>4 I f i Wm<. m!<4 w< ;* 4*<k*4 ** K-ww*-W ; |%V5 m f- ik, M* *-. + i4 ito r*4M ad ntun l ` *><-4 l,`! l-*e kt - we 4 -Ie4< Iwnerlt 4+4*'*4 I* # l<e A*|W ^ L#e ***ff 4*1 ' **4 4l*a t-4 1V4 Am fii'-Mk* I*w*4 lWet Ak|ll44 r^-^-,-.t Tt ^ r i''--ff- r' *lfiifrl* amaU crviofh to float in air can he oath nerd or lalietmtrd into Uryer parti* cW*. they can thua he prrwrtfd from polh/uny the air. In the c *m of a fu aoch at aulfur dmodr, an mtirriy dtfmn( contrtJ t<vhftK}or muat he onkud. Two that art in commercial u*e art: 1) aovrmon of the aulfur dxntdt to vulfurK lod pro* vtdtnf the volume tmMi the dpcnac, and 2) aUurpoun of the fM in chemical* fme* which k can be recovered m purr aulfur Aouk. In the caae of hydrogen auifldc, a lem ccervMve Kj C More toek fM, the ap* pruaefc Km been aumlar to that uard on ulfur duexk. One Method M try hm k m air to convert k to aulfur d*wide and aKtr vajor. ZHJS + yo, -- 2H/> -f 250, Another ta to turn k in the peoence of aulfur drcxk convert k to ckaretf* al aulfur and water vapor. :h ^ -f so, -- :h ,o -f 55 Hydrogen auttde i* now being treated m a number of ail rcincho by mrane of other of there mrtKd*. One rt^ncry in the Loe AogeW* area m producing aulfur al the rate of 50 tent per day from fiaev that were ftrserly Warned to tntnduc* 100 tuna <jf aulfur dandr into the aUDoa* pbere per day! Sutfunc Ac k J Mist Sulfuric aoj ta rt\i\*mied a* the n**i b*ve if the chcmacal pence* tnduatnra, anj where tt w uaed a* a ha acd, the presence of ntJfunc aod mue very often hrviaei an air pdlutan pnikn of coo* wderaHe magnitude. The ckvtnutatK pfffipmue. often* tMDfi referred b< u i Xrttrdl," pm* enWd twv of the rarhrw elective mean* be euppmunf thaa cornaave a*r fflu* tant. Today k M ctvnrwm peactK'e to add an ekvtnwtatK peroprtafr* at the rrd if (he pei<cw*ng orcuk thrvAigb wb*vh aD (ate* branng aulfuTK Ktd vwl mok pam Aa lie yon paM rhnntfh the petcirfthey receive eWvtrxaJ chargee whsh (*o*r (hem to agjchvnefate ie ouloce. The (hatred partktr* if Kh J (fleet (he pe*pH*i'f w**fl f*d, dw to thevf own weight, drwend In the We* |*n lit removal 100 Pcrctnl Efficiency PouibU The rvemal fi^vwy if an electro* atattc preitpetatie generally range* Irten V0 to VS prevent ; the balance rf 5 to 10 pervert aoJ rruat Kail ec*p*nf to the air may < may r*4 nertitute an air f*fhi* Uet hatarj depending upo ihe Vvabry Thnerlk aRy, a pfrOpHe^e Cn be i^rfaied up to pervert edUaerwy, Wt !k ettra rspnpmert rryuared f met ally add* dnprofvetaeutcfy to the cu*t In the cate if a la rye chemical Cunpany S<ated in a heavily p"fwilat*d aira of New jeraey there waa httk chtfa, tt4* levtkm erfutency haj to be ramed wrfl up wviWn (he V6 to W pervert ranp Th* w-a* avcmpSahed by mean-: rf t mine mdkaiKm in a omvrhiinil prrvMpttatrt A had Imed keel dent wat *dJrd to the and rspaipped a ah a heel Wad Hack aifpeud by a Head cn * * L . y^a^^hiUtea., f >$!jg^RWW.' *; LIA10252 ) IPJ/1;^': p \ t: r- i fcp T^r*! ( 4l'*,tf^ / "* *>--<f'-.- V^. " <* tvJ #'/* /rV (wtrWwiul <)m *U T fce Uki Ivrf w W* * dk4 kfl A4 tW t>M( / fV< u<r<t| 4>f .>i Ua^i i ^i) ci< (># fraonMJii, (Imm kin^inf the Mil added hnghc tu X feet. TV iVae rmd * do*] fwftdMj: to cad the (io further And aW> Imw (Kj ( the upper* v< c4 the (w- optoafc* (KjmVf mU <lrt* Unly (cthikM of wmj and M(Vf cuxk>(w fWtnwiKr Inu <t tV **Oihed pfcop*** d**vd that An to- uV of o#Tnn MM ctnUiru^ )5 A| per rutac (< of iMifvfK dd m fr dueed to (V very 1 t value i4 1.4 to 3 0 mg (4f (d*< f< a< (W r*M I Made of G*^ l<Ad TTj c ftutrftat of isntoftKtfcei of afl elevtovtatK pevipai.to* be b*rulUng ulfue* Khl Ai * ffYwtpafty td vham- KaJ prade leaj. (KaI K VmI avMiAunf 0 t/li to 0 02 percent tdvrf a/*J 0.04 to 00* percent af<xt. TV MtWd *4 do* ftrwtkAi to gmcfafljr the cage type. that to, tV tVi lead m toipf**inl m a toeel fr*0vn***k a VIi n(xm tV Kdk <4 (he MetaT* turface to the oidartg fifrti <4 (he aotude atAvvffcrre. rrrof^^M luVi, rlniftdn, k x I p*pc And aQ tahrf Mrf*<N M('*oJ to *tohef (he MM 4 (he (WlpMlIfJ Klj Ut toiJc <4 Irnl. frtVf %4 waOtirnl iVitojd p<W (4 id lead |4u* 4 prferrA Witov.f where (into Mirn^H to ftndol Arvehrf drrwc that ha* vec ftvrrrfff entered (hr teU 4 oenH m p Mu tant oeitof to (hr Ventun wiwMvr. In (hu device the acid miata Are pulled through the exmatrtetid throat of A Vf* Curt tube where the particle* rftaunto A high velocity water ipny (flow rite of about T50 feel per Attend). The wAter particle* to tntcnbuully tmAen up to appeuuBulc the te of the Add fiu* particle*, the object being to btthne the Add pa/tidet with water And thu* mcroAt thetr weight to tin punt where they will no longer float. After p-i**ng through the ihrcut, the weighted particle* enter a cydnr* <hiw her where (heir veiuexy drop*, they ad' Sect on the wdc* And then flow down io the bottom of the dumber for withdraw* a. The dema (u, free of Add pottuUnta. m driw-n out of the top of (he chatodrr through Uawen Add (hence to the At* mrapherc. For handbag c*h*uto (ur at the rite of 30,000 to 60,000 <uKc feet per Mftule, dux four ce five p&m of water Are u*rd per sunutc However* ih m reorcuUinJ to mhaoc tin ovenD water cuMut&fOQQ. Stncc the apriy water pacha up tod KU< And (hu hcbAO <h)uU luKunc toj. aQ Area* ctmung tn cuntacs with to Are peivled with lead- The cyciunr dumhen are uu*Qy WaJ Uncd And the eitbng chambcri, pump* and uacd to recvculate (he water a it am eon* vtructcd of lead. Soruc Ajjlom<r#lo Anoxhct apfwrctua drveioped ciprcw* h for air pfliXuA (tetrol w kwi aj the at ewe AgghanerAtce oe enfieetor. Th* type of coftecuto operate* on the prmaple that high tnfmwty mund w^B c au ac per- tvuUte matter to Aggfceacfate, The mito-Uden (no arc led into A auunJ chamber where they Are exprwed to a very high tnteitwtjr nurd held gen erated by a oanprewed ait operated mrm. tn one MilUtMi, the wdume cf (4i carrying (he MM move* at the rate of }4,0nQ cuKc fret per iiwmtoe a*h ] It Al A temprfatu/e *4 t' ) Ocg. T. The Wad hoed chambrr M pethap* 3) feet high and eight feet to dmMif. After the pa/lidev a ft paved tooi (he aheet Wad tydne where they Are wparalrd Irn the ohauto wh*ch pf.avedi uui th/<Aid dw t* Ab4 half of the cifWilAm (coin nei the teuxr wafh of the lower, the femail* /; ..^yw .to puyfyawt-^u vmiwv y.Wfgp- IIILPMffJf * mm Hw w u j p p mwmm RtfSMRi LI A102 5 3 der within the cytiunea Lrt pm lea*- mg thr nmc adievur tif rrpected to (tntun between tw and three mf vd I pcrcrnt aulfun*: sod per cuKc fuot. Actually ukraarwes art r*< trmdvtd In (hr (prrttur) of (Kn equipment Onp to*>y, rcwarJi arreted to indicate (hat uHriinwi us superueixi were the if pruth to anund hut later cipmrwmu dvwed that better result* am tbeamed when (hr asanj frequency w Urupprd dwn into thr audible range fhr<ugh kept at a aery lwfh rtm*ty Fuetuftttoly, the i***c problem ha* been awoat through (h (in d special a m^mj insulating material wrapped trud the kamd chamber By any ot thr r^mpoml thus its drwnhed tf a ccsnparatmly mm- p4r matter to ofiUul thr escape id bod uai h>*rvcr, tut hnef dnoipiuM do ar nply that other mctb*is arc nut CvfuaL'y clfCtJW, drpendtof upon the ardnni enoMMemi Fur example. a nmpk oAe h wiS upper* a fur prumUp d icd par- twuUu matter. A oit ha merely a sealed h full cd erdtnary u4( through ahdi maN-UJro (tm arc pawed. the m*m part^ies hemg entramrd m the oaks truer*Kra In aJJstny there arc several uarwtaet cd cyclones anj other type* cd petvir*sbrx. a8 id Wi wtfi mpprem aer * J air piDutanti to nrpn( Jr ftera Centn Gm Sulfur d*i*Je m one ok the pewipaJ on>u*o yoitnl muh air p^utvn tht m cd a truly fawuus tuturr The time4**ed iKthd hr prmnttn| aif pOvtan by sulfur ihaair hae turn to aie\t, clean and amvrrt thr pi to sul furv ad, a nrthd whsch ha* proven n many (am to be M only drcim Vvt er'evwaca! u we-fl by pnnrKhng a remhly wuNr product. N>m fern^ja metaDurfKaJ opetatama wfcwh usually towdve the Mtm| and smmng <d ml&Jk <m prdsKf suhttanfeal ^uanltde* id watte gaart hearing fed fur dft'iidr T)r rarly rchhm that n r < I result id prtfcHlMy these (tm to nip freely to the at**sphere are C Mkii ktswirdr* The *<a)VJ "an*Ae faiwtr *h> k*t<J m areaa a>J>a*rU to melathifgwat arwhii'f iputaea, ft u frpeted. mads mure vumey fn.au law suit* than crop raising B*it today they'd nut fart so well. fr waste (on, particularly suJfur duiaK&t, arc aln* at universally removed hefurr entering the alBKapheTc. Standard prarttcr w to krtt wrl the h< gas to uJ tt and ala* kfkck d*wn arene of the heavier furtR-uiate putter, paaa the fat thn^th rut Oetectla ur cWxtnwtatK prrcput.N wWh rrwuw the balance cd the ft'hd auapetuied matter. cuuJ the faa Yy paawn* it dmiufh leaJ pipe end1 mf <ib anJ then omvrrt to cnereeoUsui onun pr<rw rvparpoamc to high Cuncentratim. hagh purify aulfunc tod In many trutailaume where the wofwmc <d f*a m large and the pcrcencage cd aulfunc daotade u an the noghh*hnnd cd 2 to ) pmmt. N la mire remnaacal to onwrt the faa to aulfunc and to fedmi Mill* Paciard chaWxn which operate mnre rhomtly than crmtacl plant under low aulfur hotdr coocen- tnum Saner a ready marhet ccucs for hpad auKue <h'iaie, a murr rrcrae poctxr on the pari cd many cpml-m faerd aid the task cd ehmanarmc aulfur dwde aie |^utki aa to ci'ilect, punfy, anJ comprm the faa fr* atk as hspud 99 W pervent aulfur dnmde OimelKyU^ Uttd CVx cd thr newest and mnrf succem fd amhdi mwsvn dushvf the nr pure faa in cuJ diflMthyUmhnc and fttrattfiC n aa purr auHur dadr by heattof the fTtfruM dunethylandine luhi* Un The duncthylambne u, td count, rrfeneralej anj returned to thr circuit ft* rr-use Herr agam, brvausr duncthyl* andme aulfale (doorthylamune plus sul fur ihdr) aa Cimarur to practically afl matrfuW id amstroctsm with the rurp turn cd &r*d, abcmsi the entire aharptam. regeneratsm, and punheatam pro* ersa aa nmducted m trad pntreted mmt tVpevwhnf cm their ivaiUKUy. suHue da'tidr may hr aha<hrd f<N regenera tarn to tehee ihrtWKaU. earwus attahea, ia ms u u w nsspunJi, tn fveassrum phph*ie. d*elhar4a*wfie. etc (he <hr**Ht) Mttfxfiy, f*e rtampW. JimJn i w ai sulluf d*emJe to H re<shKt todit*m subtle (.* hem chum acid aulitr U th** ar. the pe>d4rm anee fr m thr fact that In a ryp*cl creNact aod plant all id (hr aulfur d*>a>dr that (Mm thr omwrtrr hea me nemally (zf* out li aulfur tnuKle Thtt means that %^y- o where from rmc to three percent aulfur d*>t*Jr may escape totu the atmosphere To promt thm, plant ropnem ocmmructad n/uipment to ufelue by-peoduct N^hum mdfcte. which has the ahihry cd alweftnf aulfur dmcide to form mhm (aaulkte. The euHur thuode u rvcvwroJ by heatmf the hsulht wwh aeaa, thua frmnf the adwo aulhte and irturmnf it tu the oeeim. The ahweyewm tower m this partieulaf caac oeusan id a atec) dsrfl 45 feet h(V. hned weth bended lead (lead hndrd Erectly to erl; in edrxt a Irad cUd ateef). then a layer cd bu Q Kurd, aid bully a layer cd rdrto try hnch. The erfmrrafenf tower m three feet in diameter, >0 feci high, and hned with Krxird lead and carbm bnd. The fad ran fair* m the prem arc aasd to cm*, tarn *dy 2 mg per cubsc f^c aulfunc acxl wa anj t mg per cubac (at sulfur <hdr. Thtt cmsaJeraHy lower than thr A rest gases and meats cd a mandaed con*^^ ta.i avid plant whuh emaf appemNwalrly ^ JJ < per cube* hae aa me and 200 mg per osbw fine a* sulfur ^neadr. Itvdmtalh, (has plant manages to re cover aKwt 10 am <4 suHur hedr per day ir en thu uw pcttiun- a fair mjiotksi td what wnwdd oewlly hr nop tog mo thr itmsfhft. Rtcovtry Mciho^a Vory W >vh petbira dfrrrat, (hr rr dnrrry. dssfcnal i* treatmem scheme for the same fas luy wry wndefy Their vtruiMW depend in the amount cd material to he ifapim) uf. sudd nhr id rwwrrvd fnduct, Ual plant catwh* fin*, tU. Much am*r ha* been sakf and wntien ah *4 thr nnw type* rd syuipment mmn>vd ah we aa wrO aa rehrf fast nwimemalby uarj mrtbak AS fhnr drwr>hrd arc knwti in be syitems in ue in toduatry tdiy hr iwertisninf (hr fs'hra d (intf<f)w| rirnwwr a>f pf lutmlk in, V.l I IM 4. f * Ia MMVS4C*| Immi p4 * '*< -- # A . ia r*