Document RJ88n2w3yd3qG039KwKmv487

E. I. DU PONT DE NEMOURS & COMPANY KREBS PIGMENTS DEPARTMENT 256 VANDERPOOL STREET NEWARK. NEW JERSEY Copy No. 1 NEWARK PLANT PIGMENT COLOR RESEARCH REPORT MANUFACTURE OF MOLYBDATE ORANGE IN THE PLANT (#12 BUILDING) BY A CONTINUOUS PROCESS' ' Period Covered: 11/21/47 to 6/1/49 FILE: DATE: 6/20/49 NJOCTS N42211 Copy let m * Senevioal ms Serial Ho, KH-49-30 Copy No* l mm nm PWmBT C0LQS RESEARCH REPORT Progress Hspcft n*koi wmmm o f rmmm mmm m m n*m (m BUOD2KO) 8* A COKfBJUOUS FHGCB3S Period Covered* 11/21/47 to 6A/49 Charge StjSBlOTIEB flft 0TX3 ce./^ APPROVED BZ | S| Hi FSRK2NS mt e smmmt 6A0/U9 m&iasmt t/x>/is DUP050067328 4 Uhe Ufiglnsl work <xi tfai Bsaufaoture of Molybdate erangt ter <mii44i!*w w ngMBMu was eMsiUi4 in Mr 10M after ft telftf - Tl** ^P ^P^^PP-'^W^PP^^^F^^^P y^P ^p ^FJPBPf f W"*f(P ^F p^p^p ^F ^ppF^^P P*^FP PF '^P*i flW^Fiflp pF P^PpBS * ..FMFIWP MgriUnt^t moefttt lift) established with little difficulty nt with aihrmuSP^^PFBWF^f P*Pf * *w TM Jp^P P-PWPFP* PPf f F^^ip^p^p P^t P^*P^FPPFFW^F PP'*P ^^^^p^f .^f ^P^P ^^^P^^P^P^^F^PPpi^PBKe PPpPPP *"^F* F*F *^PpppHP Btote1 >**>** pftma thS laborStojy fomuJEl. In VlSW of thfl tefjBeiftWilfbi. laboratory sad eeal-works study. it was decided not to make ft. trial in the larger 06 Bldg, ftonttiffliwiff toit text to undertake ft jhuit evaluation of the process upon teaudatlen of the full*scaie fts btiUchfig tsiit# mis was a^i"> tnftyvtoed fcy the fWf' teWWt thatmdbneii il^t^spmpptlanB vo-m p tvild have been necessarywpppf PPP^P^P.^FFF^^p*r in.^Pf Jp FP boildlBz toPPPWrPWPF| FP*p aeo^ttedftte the wn^o*~n Mm.^^^WrPFF^^MpP^nWeBWF ^FW^Pp pppp^^F^IWp^P^^PF Pp? TP^PPPftPftpJp -* the objective of the work sunaaariBed in this report was to develop ft p&o&$8& iMfUflc to ffUZ uidiiig w$A$mn% to WBtif^^toyo BfcQ&rbtteto &#&ru*A ftfiii^l 4|i all Imitot rosmcts to t^Jpn^ywIp ygUJtglaofl fflJ.ltf.14i With th# vein ^^paggp^F *p^j|n^^wp pVFft ^^wwa* e ^p ^p p o ^p p * f p p p^p ip ^p ^f o p ^p ^f ^p *s ^b p p^t p ^p b s p^^b p .p^pFFP^y%^^pp*iFsi f p .*c *CMp 'Bf p p p setting up of the now iaprevcd texture standard, SM8686, the jareparatien of fittO onsj^ttvfiQ prowwt mo woon nnvOpMci no i . * !ii m ill it.. ^Jft A V. iPi nm OPAA^ft o o j g o v j vWkA *. JM,tp Jt^PJpAdtpPMk i The best molybdate orange and# in the #12 building continuous unit to date is slightly light and slightly dull in aasstone versus XE*42X*I> SDf 4S4L6, % weak* yellow in tint, and worse in lightfastneas. Considerable is ever T^riMer rune nee pffeoted by increasing in the -strike Increasing the lead excess after the strike iron l.$S to 27fc* a the ehroraaia^3ybdato rails* i ffc trial runs of 7&42UD were made In the &2 Building unit soon after its eonpletten in 1947* Products trm the first run were predoainantly light and dull in sasstene versus **42Xf D SIMMS* about 0 vk and ve*y yellow in ttute fioii las fffwwf imsmw&t in tttraogto find iftistoo do&th <toiiig too -iiwgiyiiii^Pf^FFP-^P PPi^^FPF^^F P*^FPBFPP P FP P* P^P*P ^P^^P^JF FpP Pp^PPi 4^PP.PeS* ^|^PjPWFpPP^PH|P m Both runs were troubled with mecbumioal diffieultiee. Xu March 1949 a run was nade oeanatiaUf duplicating the previous work o that control *pmt*p could be n^p to detemixie where the creesee m Onateui:PPPP Wr PF^PPPPFP ^P^e* PP^^F*^JBFPPPF*p <^PFF^P^^PFP FF PPwwP** ^F^P PP'P'PP.F^^FFP -- -w f ^PIF FF F^FPFP BO ^FPPWw ^^FP I^Kf VPPMPFPQ* off11. Xhe only ohangoe were an increase in the lead exoosa after the strike frcn ldf to 2*7^ and an Snorease in the retention tine before the acid addition* Most of the final product was light* doll# V}% weak and red and dull in tint* War removine **** at various erf nwi*siiM then in the lSbcratorv. it^p:w ,P *^^P .^p^F^^^F ^W^FFPP ^PFP pPFPFpP^PFIp FP*^ . * PPP ^P PPf j P*|P; Mlp ufie ttibUMriiid thftt tihil n tlifi MUstfiliA ftftlfy ohflMdd littlA 'fwtm too 'Wtifikbiiiia* ^F^P^P Pw^PPPeP^P*FP*e FrFp^P^F P.PPBFP P**P PPFwP PWPP* PPPPPpP PC FFPpFF pFFP^Q^PFfteFPVPRfjl to the end of e* uroceat. wpriftiwM* strength wfte lost. t.c *htn*tap* ni. FP *^p^p P**P PF^f F't PPPS ^F Pr FP*p PiwP ?^P>PFPflUFFF ^PFPFjS*P suffared near the *> of the tarocess.ppppppP*e **pp* PFF^F *P*P ^^P^P PF FF WPWP* Wboratoiy work ref* inaeliateSjr started to detesnaina what ohangoe - te in the #12 Building fomula to e<|ual standard*- itidkci ooaasne^' UEaployed to siaulato continuous prooeoscs at first yielded very peer nolybdate oranges. Croat |wry^iyff^fts were effected by increaaing the o-wj|ltytifsi and iwfa* a *1p nduffindnan teehnloue. fir adiuetnont of the ohrooateAiQlvbdate ratio products were ^btftj.ned whioh were fatsdjy 'o1.o#e to etaadard* Throughout the labbmttay weak a lead excess of about % following the strike wee sagged* Efforts to indues *-M *** ridded PP*0**PPPP ^f *F Fi^P^ ^F Pp**pp ^FFPI^PFp FFIP^^P'FP^^^^P ^F ^P snsstonee end weak, yellow,^^^PP FF*WF* JP 'PF^FPF 'P^^^FPFFOp^ A idant na was with increased *a4i*jj|p in the strike tank *<*B^B^^PFP ** ^PO*r ^P^^FFF P^^nnFF "' Ff *PPf ^PIPP^PP .^FWFf f * W^f ^^f * ^P'w l^P t P4P<FFBFP^^F . F^^^^^PPB** ^^^BBPt c B* with the laboratory ohraate/ws>lybdate ratio* The produete wore eli^itly light atilt Aitt iti sftiatoQik ttbotife wtokn Hid vnlloif i& to&ts ^PppFB* f PBBBBNHBf pP PFPB*fFPPF*^FP PPPpTM .** '^PP^^^F^F'^P ^^PFPft iiv of tiuittp.^P^PFF '^P^P ^^PW^Pf ^F^P encouraging rseulta* another run was *wFfp^^Ft^fly made, tdth a lower "chnoi** pH DUP050067329 Kll&iQlt bad 'tint In the laboratory* Most of the product!i ware light about 5% ap<i jja fef^ nonpared to the o afrit twite fittwootinl at the of'uanstotni dejiili ft Kisilar maaaafejmiw f+A*sk mtmiiii 1* iMaIimmI 4 k|toh QUBifastUTC fey Iwawtiiiw thn irA%.J*S^NWJ*l *A*Pt ^p1iin*np^f^Pcmw*Fpppiai mlsaaRstfy)m0.1toftMt *#T*PfPcc^IEwjftUbEmsaKaaluacs ano&rCnb Mb ta&SStOSo/tlnt |olLt.l*MBt<n ffif tha ircradblfvcs*aAs>*fedoS xtlkt,^Mo"*"to^j"|Fi fiplWA.^FhxFfFt*Wb^ *W^pwMr*iho"4UcfcWOeOsiO s* ucmupoaP*^fP^X^^KPfPtuWA^iPPPIWkJ*ij^pfFt w*o*naat,naiirF-pTf fPie"Faaff! :i<tr'.:i*` fbrhSMbHt durf.fitg th yff* indif^tfrd o lees of About 5^ is strength following tho ostd a^M4i4t:P, X jywte.4a H4:ahkitn**<BM ijna 4nr1* *ofj m$ gW1tfBj4wa tKn alum mrt artH^at* XHHHWMOI'OOHPOOMHO'1': '^^'sSPOPP^M^ ASPS peeajBSFP^SS.^OF VW*lP"PVy FF^p f f wwwwyw'* ^,.**B*pmp.^WPF)gj| WWWW f F**.f i. addition aid At thsaCEto drua of th* dryer* M( oa this preblc by the Chemical .- Oivisflo 10&9 dfo'tffnti-Twi#*i faUouing cosapleticn of thls lest isentlcnsd run and the responsibility for further watc mas transferred to the Production Civieioo* A' ahaat of the rvrocasa and *<* onarotlnt; formula .hw 4>Mii4 4*tfima .^*.4S*Of ^V *p.'S*FPr w ^^f SSf jpp ^f s .*p s pc s ^F*" .^^j^p^oer *^^^^eeOt5p f * 'pxpeewewpfop -^ppp the appendix of tMe report* '*'' mmmrn. :M: Nothing of a patentable nature m uncovered during the Mr wmmA%9& in this report* Division, it ie reccentended that the seethed of salt/acid action be investigated *itb an Ain to jawentins the $$ less is strength whleh occurs idth tho present pipeline Addition* It is passible thAt additlm directly to., the first acid ageing vat would prevent this- lose in strength. No work os lightf&etneaa Mae dene in' me mberaky or ths plant bat this property nest be isprspd to Ofml standard* laboratory work has produced so leads which sight improve ms eut-ef*iineB maemtoce/tint relationship of recent products. It say bo mat sere dilate selttMese* as Are used in batch manufacture,wail have to bo employed rather than me c o o p eentrated sedyuttona now used in ffl% building. Ihe effect of eencentrAtien on the /tint relatihip Should be investigated* RgFJSR^GBS , m im n m*kb*9 DUP050067330 APPENDIX PACE 1 v i FLOW SHEET C ontinuous M anufacture 'o f M olybdate Orange in 2 `B u ild in g , AFfSEJP3X PACE 2 -r < TK 54 * na Ae U - 55 - aa i % # 22* :`:s k * 57 * A* . TK * 58 * 57" m 59 40" 23* 23* 25* A3* 60 A3* W-54 * 0.89 A HU55 0*89 *4* UC-56 * 5*3 Kin* TK-57 * 8*5 ada b** - 2UU8 Bin. TK-59 - 7.8 Kin. 0003. mu (B*m m *&)# Prodaet Bate UQG#/S Co SLo sp Odds # YtWiffiitff)' water in^f * 70*? Plrt Ht. Boo# - X Second Ht. D*y, *X Biere should be a slight lead aca at the entree# to 56 T&%, m W-& pf^ DUP050067332