Document zKw4jB0Mv7L4LwMJNO0M1NY6

mi BOOBS OS THB BmBS3 TITIHItM DICDma F0CBS3 ** * S. X. Kir* Sapt. 28, 193^ To he of value as a taili for tbs acceptance or rejection it tte Burgees titaaiua process, a report aust wear all four phases it tte propositions ftiglnecrlng design, rtwtnal feasibility, u s mbIo affldmcy, and Fatant protection. The preswt design tea ita defects; aoaa of then gi*>dg | M aost of ttea sawable to oarrectioa by changes baaad on aooad (laaarLng prlnolplaa. Tha laaa easily oorroetad dafaota aaad oonddcrabla study, and aay pertepa necessitate a rajor change in plant | ted^n, but will inrolre no iaauraountable difficulties and can probably It aeeoopliabad by tha propar aaaaably of standard chaadeal engineering tearatoa. It has bowsrer, fcaan proven beyond question that special tsrlala of construction aoat be used for practically all of tha apparaI !* This one feature *111 probably give ua aora trouble than any other fe tha fev Materials such as rubber, Bakallta, and Scrag, that bare bean ter resistant to solutions daaaadad fay the procoaa, do not land tban| *tt*w to use under all of tte conditions of taaperature and prosaura ^ which this procsss is at present designed to operate. msisiLirr Tha basic chaadeal reactions of the process era wall established |^W.ta thoroughly understood. There are, bowarer, still weaknesses in ^fa<r of details of purification, concentration and precipitation that 0007-SWP-034446 0007-SWP-000116077 Ll Jaeh ana of these la rltally important la that it Lftata either *0000*7- of oparation or quality of final product Ltotk I The study of tba plysical oharaotarlatloa of tha pigwant Ls pcraaaod rather rapidly la tba paat fair weeks until it now m Tha ecooasdcs of tha prooaas la tha feature of greatest ecnh bu Hr prallalaasy report of Saptaabar 20th cowers tha situation tatterjtiriy and I shall not repeat tba details bars. I do, towwwar, at to poot out that I purpoaaly triad to keep on the high aids, frtaartly In an atteapt to partially eanpansate for our gaablo In warning an ability to azarclaa reasonable control owwr tha rar notarial hasae painted out In tha- Bnigen report. These loaaaa hare narar bean atlraly accounted for and ara no aora nearly allnlnated in tha rarraapad pilot plant than in tha old one. It la quite probabla that in ay further conferences with Velas wa shall both aake adjustments so that tha differences between ^a teo aata of figures upon which you and dr. Weiss will base your dr. Fairbank will no doubt approve tha patent situation as 0007-SWP-000116078 oh--goa auch aa wet willing or nhwieol traate--t Turin-- * * - mb s axy, or If It erar inu advisable to aaidify tba hydrate (for* calcination. Tboso f--turaa are already pat--tod and otter ^barraaaiixgly llart-tlng f--tor-- will alao bo covered unleae wo ocpodit# tte plugging of tte loopholaa la tte proa--t pot--t atructure. liia particular pbaao of tte work boa not bo-- aa anargetloelly h--died ta I should ban likoil. Z tellers wo can aako -- --tlrsly satisfactory plga--t by tte Burgeaa proeoas and that wo e-- aako a profit at tte proa--t aarket price. I roeoooand tteroforo that 70a doso with Borgoao if you e-- do ao raaltalng teat all of our roporta aro baaod up-- what our paat experl--00 loada ua to bollawo wo 0-- do, ratter tten upon what we bare actually pro-- through oparmti-- of tte Eatgeas pilot plant. r i | Sept--bar 28, 1957 %L J2JL E. E. UBS 0007--SWP-034448 0007-SWP-000116079