PROCESS DEVELOPMENT QUARTERLY REPORT. PART II. PILOT PLANT WORK [report]

J. ed. Nelson
1958 unpublished
A c o n t i n u o u s pH monitor operated s a t i s f a c t o r i l y in month in t h e pilot plant. No e v i d e n c e of e l e c t r o d e 98% U0,.6 Of c o u r s e , c o n v e r s i o n c o u l d b e i n c r e a s e d by . m a k i n g -e a c h s t a g e l a r g e r or b y c o n s i d e r a b l y r e d u c i n g t h e f e e d r a t e , b u t for p i l o t p l a n t p u r p o s e s , n e i t h e r a l t e r n a t i v e is d e s i r a b l e . Perry, J o h n H. (Editor), C b e m i c a l
more » ... m i c a l Engineers' Handbook, McCraw-Hill Book Company, Inc., New York ( 1 9 5 0 ) , Ed. 3. p 1 2 3 0 -1 2 3 1 5' Ludwig, F. J . , Mallinckrodt C h e m i c a l Works. P e r s o n a l Communication J o n k e , A. A., C b e m i c a l E Summary E i g h t slag fluorination r u n s h a v e b e e n m a d e in a n eight-inch-diameter s c r e w r e a c t o r . In g e n e r a l , t h e r e s u l t s i n d i c a t e a f i n a l uranium c o n t e n t in fluorinated MFL of 0.15-0.20% U r e g a r d l e s s of t h e o p e r a t i n g c o n d i t i o n s or s i e v e f r a c t i o n within t h e r a n g e t e s t e d . A s l a g f e e d r a t e of 100 lb,/hr w a s a t t a i n e d with a r e t e n t i o n time a s low a s o n e hour a n d a fluorine e x c e s s of 1.4 t i m e s theory.
doi:10.2172/4185457 fatcat:u5tget3esbeybiucrogsr3wsnu