Document B5ZZMxOYnyEK4mYjrMLa7poZ4

LIA09777 ,'^a/'vv.va ' \ ' zrr r.:r'2: ? .: **b i^jasfciss i- to* rcr-vt?.! tins. i . . ,,> v.;.*:*'-;-h-.ro '--* ' /v, <... c-.-.v-r-v tis1 to' Iv '; vr ' - `v tir ;'i:!v 'u .i' s(Kcdsisw fiss'i W-i-7'.;5 fcfv* i a tass a.-...*? 5?,~ fti.'Vtsa fi ?.= w f.M-s ft . . ? tpe*si aai r* tew tsts KtsSusra fey s%oaieos fife (Jw Si tm& IteS gsr'^las tsa*r tew ash g*va* adequate IsegMs cf stress 3E*? siittsa iawivis^* teat tkeapt* viva cIterate told &s ctais aifi?** (Sse krt 8) - rur? LW^teaa '.; Art li refer* tj tts Thiita a Etate* Etui CcfTMitla typNfcrt plash et their Clcditoa Saris* asar Pittsburgh* The Rapper* ,. Co* esjiaoer* supplied the infcsw.tica eo tssair eteiobsea re* plMefisssete eg lead 'ia cinir site pleat# new Flttd&ar^* " f*rt t> refer* t* the pyridine tower ia tht CUlrtoa THtt ef the Gbits4 State* Steel Corporation. fas? l* mjmvm wtEgg n lead uhtp gqpiBgg a. tgaoWCTCST HISTORY trhea *6*1 1* distilled by heetlng in ebeenoe ef air It la oonrerted into * nur.be r of eelid, liquid and G*ecu* product** The principal product by nlr*it 1* ecfce tot equally lEportant ore tte kr-prodaete moke a the solid* esthrsoens, itephthalone, eanonlun a*lt* sad ey*sos*n coctpKstds* Liquids produced *r* eater, tar end rarlout oils, Mlo eases consist ef hydrogen, nrtbane, ethjrlone, hydropm sal* fide, fcsasrJ.*, cUrcgsa, aril the osldcs ef carton* ~ The or*r*p coon he i 1-9 stout 1? top* ef eesl end is tnterelttent, bet it* there arc uecaily SO to to ctci:?., e&e* is st&Rgsred so that there Is eoaiLKma prais eetioa of gse c? pd evarvr;- ea?5*itler* Tins l* eooled end it is es&9S% pr&ctie* to rrsere arest tv> t&r, Uarlas tte'oo-fasrths ef the grucnle. sad ef the Ujpti oils* N3077 'e > > - . X t* ** LIA09778 633dl EE?1S 80. I & k meu mssnipnm t de'is&r 6, IStS Ths (U li nwt braacf-A tcfco 1m4 lined efcwsttr* hps a 6tsgS sstiiirlo acid solution feres oelid Ofyrtaliias assscaiifa calfats fey sbpepbtag tfes saarr'is Aa gas la f4 ts under tfe csrC&oe of tbo liquid ite-eiEh a street* GUtorSto*;if - teUel a mfisr pips* fa? sas*p* 69 tf wlfsTta seid is ts&i$ asi TIs gtt& ca wftwMeu ray to m tdg u $ rt s* stays of a oharg?* Ths msjwsAs* la b^" ftSSK3 e2c ^t&* ef ase&rulliM&ica c5 a re&n&ssr* ,ss ssa&i es&feS* . eryfb&lo *SyT % rssss*d ret tl tefctesa ef tbs 6&ftuK&? %jy & cs^&Ktei aSr Sa letter er eestri&gal poop aed ths rscibar liquor is returned ts tba cas.ara.tera at%9? s stptda tro ti)s< I* ggtSSJgJJMjSIPftaj '*' '\'~ ' - . ,** *- ''V'ftj'' >'"'" Sa the ty-prudaei ask* plant f tbs felted States Cisel Corysrstiea t CUlrtss, Ru, tbs saturators sad separators are closely ooEssctcd ia fraetlea end la location by a stssl reducing pips (M to S4 in. dlrnotor) liasd vrtth c/s-ia. lent. Tbs eemretors srs closed ctosl tasks 14-ft. deep vrith s it-ft. dtesster liasd with l/t-la. lend. Saturators arc sli^tly caller csd srs il&sd with 8/8-ls* Isad. There srs 14 csts of then and sach unit sets 77.TT0 the ef load, laolading ths bags serratod cracker pipe of ctse-laoh lead with slots Out la tbs sides to allow 5 tbs vapors ts babble through tbs sold* d* DSTAIL DtSCEIPTIOS 01 1&D Tbs saturator separator oooM.nations ars completely lead liasd but tbs entry cad exit oooduit* srs of stssl* There Is a 5/&-in. lining la tbs saturators sad l/t-ln. Isad ia ths separators* Tbs two ars joined by a reducing lead liasd pips, SO to 84-la. teas ef these Unlade bars lasted 18 years and bare given trouble only on the bottoa* e. lru tatyaoouci Tbs aNMolu* sulfate crystals fonaed la the bottoa of the saturators erase sob# sbraeioa trouble* and while the lead linings se s whole ars sat 1*factory, relialag has been done oa the bottne sareral tines, la tbs old days tbs tar ia tbs ooks ores gas u**d to be sufficient to cover tbs bottoa of ths saturator end afford protaction for the Isad. However, the aodernissd procsee Includes the use f tar separators and extractor* whichibaot* aoet ef tbs tar before tbs fas enters tbs saturators* Cottrell tar precipitators nay also be used* Ths other ecuroe ef dissatisfaction are the one inoh thick lead cracker pipes. Ths vertical elite out la the sides break open doe to heating and abrasive set ion and epalre art difficult and tin* acncmlng. They saaplala ef exes* live togging though drape la various eoesMnat Iona have been Vied. There is one fatarator at a Uaealloe plant that ha* served for 21 years using a 8/6-la. lead lining aad a lead cracker pips cos laoh thick* la tbs tapper* Co. by-product coke plant* ia the Fltt#t*rgh area they bass used etainlea* 814 eraekar tube* which haw given very good service for tla years* They bar* alee bad good service fra* etalnl*** bottoa linings in ths saturator* and separators. It was olaiaed by tapper* Co. engineer* that hitter ybsldt under tlffer scodltioes seuld be obtained by using staialeee* They use ocasl ia their ^'-i|-if--r l|,;-tf fMiil'CkutfiT yi( - ...............- LIA09779 CHStSKii 8UUXTXS *0. *f . 0(Mr 4, IMS it,000 0iU agitator* br taaporeturc* are high **4,jreM*g is dcno la bath F Mid end basis solutions. ttalnl*** trill not da th# where both a e14 and baa la ecodltleo* prevail alternately. Tho ttslnloss grad* 4ld, is eat a? tbs sastsAltlA *hrraiu* alokal stools whisk poescaa great ecrroelca rwaiatsBCo, greater rtrsnjti *t *U>*tt*d ta^infauM, i aaa b# hardonod only by sold work, sad in easily fabricated by erldiog. tbs 413 grads It Mb atsMllsod with tttaaiom or *olushtea cod tbs analyst# is wppruainsValyi C Oelfljf thx. Ma i.W Un. 1 UOS Mu* IIM 0.04* Ifau Cr 16-Mpt II 10-MJt Mo l.TW.OjC .WW'V * VV*. ma . tap trantsa n mixing reran a* IgaOCOCTOBT HISTCRT lyridlas (CgHgX) is * liquid with a ttrccj ad unpleasant odor, density 0.942 sad boiling point of 11S*JC. This product of tho destructive distallstica K of oosl 1* derived fra* tho t*r bote*. It e*n ho halogonotod, nitrated, so.pheo- tod, sad with reducing agent* pipsrdln* 1* forced by tho addition of six hydrogo* toes to this earbca-altrogea ring ocepound. Moolis** asy ho forasd by tho addi tion of nsthyl group*. It 1* quit* (tsblo sal is unaffected by eotidiiing s gents. Xa 1M0 crude sad rsflnsd pyridine u valued st 4294,441. This wss la *onp*rl*oa with th* total mrket value of 4T7,JM,S5i for *11 oosl tar product*. Until rsooetly pyridine bsMi have act hosa roeororwd la this ocuatry, hot hare b**n allowed to rcasia la th* hasty oil with th* phenol*. Th* separation is accomplished by agitating th* light ell with dilute sulAirio sold in s l**d lined ordeal bottou tank with a l*ad covered propeller on a ioa; a'taft extending dew* to th* bettoa of tho tank. Mary organic coapounda aad th*lr aqueous solutions aro sslubls la pyridine sad it Is *id*ly used because it la an exoellent asarly nstrual solvent. In a eocpetltiv* way pyridine is used to inhibit th* attack of phosphoric sold on stool thus allowing onoeatrated cruds acid to b* shipped la stool tank oar* aad also ask* possible tho us# of stool in place of load in apparatus whor* ooaoontratod crud* acid la handled la asking various sodlua salts. It la ussAil la *M"g aa asthma reasdy aad 1* #noour,tsr*d as a sonbustlon product of your daily cigarette*# b. mocks pzacKimoi To **parato pyridine fra* ths tar has** the liquor Is boiled for two hear* at 104 (ttZ.tPt) la dilute rulAirie acid. Th* solution la asst nod* asatral or slightly baslo and given a rsboll for two hears at tf* sum tonporatur* bo for* P eaptylng th* task aad roahargiags Th# tnr*r operate* on on 4-hir eyslo with rapid t*peratur *h*gs botwoo* outdoor temperature and 121 7. for arch of tho ftttbur> winter thl* Unperatu.w hangs would bo in th* rang* of 222* f end over. -.err - 'v-upw.gis'tp'Vilf> LIA09780 I?' CSsSlCJI. KU3n 93. 9 # sgztzBfszT ptsmmtm m -4 . 4,-isa Th f .030 gal. prvldloo tanks ftje *Uars 14 ft. 4*??, 9 fin i* dlnaotor with ft oerisal tottass. Tha bfttta* and *idos or* lias*. Cttia g/s>te ehetlftal land - ot tha tap is weaMd with ittb Steal fl&?63S# fi is. *14$. <. sr* sa*d cssj i&oeo ero 29-10 la* spart. ft l*u,5 mi r.,??/:-.IV^r ea a Isas *&si .. gwtated tlant)^ the tap ? tte Mi **$<:* tfc efthttiss &U ft iino oll . errpnrtcd aswr th* top of tha task fftrcishrs Jws.*. The calls er 54. is. ia raiiat sad sift tsca f ctol&lo*. tfcssgh thqr. wore ceea f lis. l*sd pips. >.SiKP isgfAMftyrca mmg&cg . :4 ;/; Zs JS&rh, 1940, l/t-ln. hcoogesoooa Itd m i&s first tgrpa lead ttsisg tried, tort 14 0stc thea traAl* within thres eoclts eaS oas faspt ia tvsa st s total', carries ef tw year* only with attulft Bsintonoaese Ztessssacsa Using sa eSstisleaed Is tMi, 1942, Ma l/t-ln. (fsHl l.ad with ttKM, SO ib rpart, m i&tielM. Sy April, 1948, it ms fwesd cttmuy t install ImI a tie bettss end tldso *p to ft ft. Boawvar by Octofc.r, 1844, failures elta g tbs coons cad cogging had progroaaod to toot an itt aa to rw^elra r*.r>laecairt with l/S-la. load all-error, this ku a#read to dots, tat it lo elsiatal only MintuaMt. ftn obaadoaod atalc1st* ataol hoctlsg ooll au Mas discard*! ca tb* ground caar tb# Rrridlno tooar with boaxy osorustatlo&a of eorroaloa product*, jt ft*d roplaned a load ooll, oaraod for orar flaw yaara, aad Jurt roooatly baas replaced tgr another *tslslo*o ooll* CQftCgTftlgO Tha JCoppar* Co. onglnooro dais laaraaaod yield* nadar ttlffar oparotlag condition* througtho uao of atalnl*** 318 la thalr oraokar pip** and bottoi lining* of taturator* sad aaparatora. ftp uaing thalr cam ttalnl.it product* tha otool ocajaaUi can probably m (tainlai* otoal at s lowar ooat than boaogaocooaly lasd lined product, aad ira willing to aalca tha change to rtainl*.. If too aueh trouble la enoouatorod with tha cheaper cfaeadoal load. Stranger laod tootleco could po.tlbly Va obtained by r*d.ignlng tha oraciar pipa alita to a pattern of round oad half-oral azit hoiaa. lead lining* la tha pyrldlna towar haro giroa poor oarrloo usdor axpoasra to aortreao* la toaparaturw aad ooooastrttloa variation#. Tho wido and fairly rapid variation* la toaparatar* aouplad with altonvato acid and alhalina mthing* would ouggart a lifting ooablnatlcn of laad and brlek ft* pooalbl* oolutloa rathor than puah load aim too far ant 11 tha dl.aatiifastlon bring* about ft ehaag* to ftaothor at* rial.