Document R2YmEKLqVBDDnMzpk3dZ6ze2X

CC: A. A, Brajsaoiara - New&xfc OR Afi . HH-Tan gaman. - ' * ' Wp L* Monsoji - (5* p Vf. i'Hunich Newport BGC: C. C, Ballad -- Douviers W* L. ICuecklor -- 11 Newport, Delaware 3xm& 21, 1962 H. H. GYORGY TzcmiGM, smzwi8cm s b mp c b t oxAssmm IJo "lM^^ruan 1st. the reference letter, W. Ju. l-Sonsoa postulates & 2 It ./to* drying sate versus & 2,000 lb,/hr. grinding rate in the Entoleter im pact mill. I Relieve that drying rates much in excess of 2 Xb./hr. are possible. Is?. i, atonson1 concern about drying capacity is biased on the .extremely fast .heat transfer rate required in the Entoleter m opposed to a conventional unit such as a, spray dryer* X submit that such heat transfer rates are possible and have, in fact, been approached in the Strong-Ssott 5?urhulisar. Reliable data, on the RTurbuliserM how a rate of 200,000 WStS/bt, on, ft. Xhia would translate into a drying rate of about 140 lb ./hr. of inorganic pigment or 40 lb ./to. of organic 'pigment in the 0* eu. ft. volume of the Sntoleter. Xt can be realisbleally . assumed/ -Z believe, that micfa high.:;" heat transfer rates can be achieved in the Entoleter than In the. "XurbuXXser0 due to greatly increased energy inputs and air velocity* On the eight inch Kill at the Engineering Stest Center, I observed the drying of kerosene from 35^ OPC presscak at a rate of about 3-4- Xb,/to. pigment. $his was clone on aonce^ttoough basis with no attempt to adjust .for eondltionjs,. Me, in itself, ind3.ates sig nificant potential for drying applications. ' In my contact with Sngineeri^g iopart^ent, they have been quite' enthusiastic about drying triplications for the unit. Since they apparently have hough eaperloncq with the unit to make an sbifsate of drying capacity, I suggest they be asked for a rseora^ndatioa.' Am/trnj @3% A. M. A399K& SSSSESZOUi .SECTION ' N39936