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Koch acquires nanofiltration rights
News and Views
Conference on wastewater announced The D e p a r t m e n t o f E n v i r o n m e n t a l E n g i n e e r i n g of P o l i t e c n i c o of Milano, t o g e t h e r w i t h IAWQ (International A s s o c i a t i o n on Water Quality) and with t h e c o - o p e r a t i o n of Fiera Milano Congressi is o r g a n i s i n g an I n t e r n a t i o n a l C o n f e r e n c e on Advanced Wastewater Treatments, Recycling and Re-use. T h e c o n f e r e n c e will t a k e p l a c e a t t h e C o n f e r e n c e C e n t r e of F i e r a di Milano, Milan, Italy o n S e p t e m b e r 14 - 16 1998. T h e official l a n g u a g e s will b e E n g l i s h a n d I t a l i a n (with s i m u l t a n e o u s t r a n s l a t i o n ) , b u t all p a p e r s m u s t b e s u b m i t t e d in E n g l i s h . T h e m a i n c o n f e r e n c e t o p i c s will be: A d v a n c e d W a s t e w a t e r T r e a t m e n t ; T e c h n o l o g i e s for A d v a n c e d T r e a t m e n t of M u n i c i p a l & I n d u s t r i a l W a s t e w a t e r ; Wastewater Reclamation; and Institutional and E c o n o m i c A s p e c t s of W a t e r R e - u s e . T h e d e a d l i n e for t h e s u b m i s s i o n of a b s t r a c t s is 5 S e p t e m b e r 1997 a n d t h e n o t i f i c a t i o n of a p a p e r s a c c e p t a n c e will b e given b y 2 8 N o v e m b e r 1997. For f u r t h e r information, contact: Secretariat AlleY98, c / o DIIAR-Sezione Ambientale, Politecnico di Milano, P i a z z a L. Da Vinci 32, 2 0 1 3 3 Milan, Italy. Tel: +39 2 2 3 9 9 6 4 1 6 ; f a x : + 3 9 2 2 3 9 9 6499; e-mail: milano98@ambl, amb.polimi, it
Hot deionised water cartridge Memtec Electronics has developed an innovative m e m b r a n e filter c a r t r i d g e d e s i g n e d for u s e in h o t d e i o n i s e d (DI) w a t e r . T h e V a r a t h e r m S e r i e s c o m b i n e s t h e c a p a b i l i t i e s of M e m t e c ' s p a t e n t e d h i g h l y a s y m m e t r i c p o l y s u l f o n e m e m b r a n e , w i t h all p o l y s u l f o n e cage, c o r e a n d e n d c a p s . T h i s u n i q u e c o m b i n a t i o n w i t h s t a n d s c o n t i n u o u s DI w a t e r t e m p e r a t u r e s u p to 2 1 2 °F (100 °C), w h i l e d e l i v e r i n g i m p r o v e d flow r a t e s v e r s u s c o m m o n l y u s e d Teflon (PTFE) filters. M e m t e c c l a i m t h a t u s e r s c a n a l s o e x p e c t s a v i n g s of u p to 70% v e r s u s t h e m o r e e x p e n s i v e Teflon c a r t r i d g e s . A hydrophilic polysulfone membrane eliminates the i n c o n v e n i e n c e of p r e w e t t i n g , a n d t h e p o l y s u l f o n e construction also rinses up extremely fast and c o n t r i b u t e s negligible levels of e x t r a c t a b l e s . T h e V a r a t h e r m is a v a i l a b l e in d o u b l e l a y e r c o n f i g u r a t i o n s , in a b s o l u t e r e m o v a l r a t i n g s of 0.02, 0.1 a n d 0.2 m i c r o n s , a n d in l e n g t h s f r o m 4" to 40". S e v e r a l e n d configurations and elastomer O-ring options are also a v a i l a b l e e n a b l i n g V a r a t h e r m to b e c o n f i g u r e d to fit
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t h e r e q u i r e m e n t s of m o s t a p p l i c a t i o n s . For f u r t h e r information, contact: M e m t e c A m e r i c a Corporation, Electronics Group, 2 0 3 3 Greenspring Drive, Timonium, MA 21093, USA. Tel: +1 4 1 0 2 5 2 0800; fax:+ 1 4 1 0 5 6 0 2857; Internet: w w w . memtec, corn
N o v e l P r o c e s s for Emulsion Production M e m t e c h (UK) Limited h a s l a u n c h e d a n e w c r o s s f l o w m e m b r a n e s y s t e m for t h e i n d u s t r i a l s c a l e p r o d u c t i o n of e m u l s i o n s . M e m t e c h c l a i m t h a t t h e s y s t e m , j o i n t l y developed between Memtech, Disperse Technologies, F a i r e y I n d u s t r i a l C e r a m i c s , a n d t h e U n i v e r s i t y of E x e t e r u s e s v e r y low p o w e r (4Kw) in c o m p a r i s o n w i t h c o n v e n t i o n a l t e c h n i q u e s ( 2 5 - 3 0 Kw), y e t p r o v i d e s far b e t t e r c o n t r o l over t h e d r o p l e t size d i s t r i b u t i o n , a n d h e n c e t h e p h y s i c a l p r o p e r t i e s of t h e e m u l s i o n . T h e u s e of a c e r a m i c m e m b r a n e e n a b l e s u n i f o r m d r o p l e t s a t h i g h d e n s i t y to b e o b t a i n e d in b a t c h or c o n t i n u o u s m o d e . T h e n a r r o w n e s s of t h e d r o p l e t size distribution obtained by this method enables very specific a n d s t a b l e p r o p e r t i e s to b e b u i l t i n t o t h e e m u l s i o n , w h i c h is of g r e a t i n t e r e s t to c o s m e t i c , toiletry, p h a r m a c e u t i c a l , a n d food m a n u f a c t u r e r s . Specific a d v a n t a g e s i n c l u d e c o n t r o l of e m u l s i o n a v e r a g e d r o p l e t size, low o p e r a t i n g e n e r g y , a n a r r o w b a n d of d r o p l e t sizes a n d t h e a b i l i t y to r u n in c o n t i n u o u s p r o d u c t i o n , over a w i d e t e m p e r a t u r e r a n g e . For f u r t h e r information, contact: M e m t e c h (UK) Ltd, Lion Way, Morriston, S w a n s e a , UK. Tel: + 44 1792 3 1 0 4 5 4 ; f a x : +44 1792 3 1 0 3 3 1 .
Koch acquires nanofiltration rights Koch M e m b r a n e S y s t e m s , h a s a c q u i r e d w o r l d w i d e r i g h t s for t h e m a n u f a c t u r e a n d d i s t r i b u t i o n of A l k a S a v e a n d SelRo n a n o f i l t r a t i o n m e m b r a n e s . T h e s e caustic, acid and solvent resistant membranes are a v a i l a b l e in t u b u l a r a s well a s s p i r a l c o n f i g u r a t i o n s and are custom engineered into complete separation s y s t e m s . T h e s e s y s t e m s h a v e a p p l i c a t i o n s in t h e s e p a r a t i o n of low a n d h i g h m o l e c u l a r w e i g h t c o m p o u n d s from a q u e o u s a n d n o n - a q u e o u s s o l v e n t s , in t h e p H r a n g e 0 - 1 4 a n d t e m p e r a t u r e s u p to 80 °C. C o m m e r c i a l a p p l i c a t i o n s i n c l u d e t h e r e m o v a l of o r g a n i c s (COD) from u s e d c a u s t i c a n d a c i d c l e a n i n g
M e m b r a n e T e c h n o l o g y No. 8 2
News and Views s o l u t i o n s a s well a s n u m e r o u s o t h e r w a s t e c o n t r o l a n d chemical and pharmaceutical process applications. For f u r t h e r information, contact: Koch Membrane S y s t e m s , Inc., Friars Mill, Friars Terrace, Stafford ST17 4AU, UK. Tel: +44 1785 2 1 2 5 6 5 ; f a x : + 44 1785 223149.
Pall and G e l m a n complete merger Pall C o r p o r a t i o n a n d G e l m a n S c i e n c e s s u c c e s s f u l l y m e r g e d o n F e b r u a r y 3, 1997. T h e n o w c o m b i n e d r e s o u r c e s of t h e two c o m p a n i e s p r o v i d e a c c e s s to a w i d e a r r a y of filtration, s y s t e m e n g i n e e r i n g a n d s e p a r a t i o n s s o l u t i o n s . In t h e d i a g n o s t i c m a r k e t s , t h e m e r g e r j o i n s t h e t e c h n i c a l s t r e n g t h s of t h e two c o m p a n i e s in t h e d e v e l o p m e n t a n d m a n u f a c t u r e of proprietary filtration and separation media widely u s e d w i t h i n t h e field of b i o t e c h n o l o g y . G e l m a n S c i e n c e s will o p e r a t e a s a s u b s i d i a r y of Pall C o r p o r a t i o n . It will b e r e s p o n s i b l e for t h e s a l e of G e l m a n a n d Pall p r o d u c t s to t h e L a b o r a t o r y , M e d i c a l OEM and Specialty Materials markets. For f u r t h e r information, contact: Pall Corporation, Port Washington, N Y 11050, USA. Tel: +1 516 484 3600; Internet: http: / / www.paU.com.
Cost analysis f e a t u r e a d d e d to reverse osmosis software F l u i d S y s t e m s h a s a n n o u n c e d t h e r e l e a s e of a n e w v e r s i o n of its r e v e r s e o s m o s i s (RO) s y s t e m d e s i g n s o f t w a r e . T h e m o s t s i g n i f i c a n t n e w f e a t u r e is a c o s t analysis function -- CostPro. CostPro helps users o p t i m i z e s y s t e m d e s i g n from a c o s t v i e w p o i n t , a n d m a k e s c o m p a r i s o n s b e t w e e n two s e p a r a t e d e s i g n s . V e r s i o n 6.1 of RoPro for W i n d o w s i n c l u d e s all of F l u i d S y s t e m s n e w e s t m e m b r a n e e l e m e n t s like t h e TFC-ULP, M a g n u m , a n d TFC P r e m i u m e l e m e n t s , p l u s t h e S p i r a l C o m p o s i t e s m a l l e l e m e n t p r o d u c t line. It offers d e s i g n c a l c u l a t i o n s for b o t h s i n g l e - a n d t w o - p a s s systems, concentrate recycle and permeate back p r e s s u r e . U s e r s a r e a b l e to define c o n s t i t u e n t s in t h e feed a n a l y s i s , a n d p r o d u c e p r o j e c t e d s y s t e m p e r f o r m a n c e g r a p h s a n d o n - s c r e e n a n d p r i n t a b l e flow diagrams. For more information, contact: Fluid S y s t e m s , 10054 Old Grove Road, S a n Diego, CA 92131, USA. Tel: +1 619 695 3 8 4 0 ; f a x : +1 619 695 3840.
M e m b r a n e T e c h n o l o g y No. 8 2
US Filter introduces high-surface-area module United States Filter Corporation has designed a new c e r a m i c m e m b r a n e f i l t r a t i o n m o d u l e t h a t h o l d s u p to 21 s q u a r e m e t r e s of m e m b r a n e f i l t r a t i o n s u r f a c e a r e a - - 60% m o r e t h a n t h e p r e v i o u s d e s i g n . It is m o r e c o m p a c t , a n d r e q u i r e s l e s s p i p i n g a n d fewer p u m p s , g a u g e s , c o n n e c t i o n s a n d valves. The new design packs 60 P19-40GL or P37-30GL e l e m e n t s into a s l i g h t l y l a r g e r h o u s i n g t h a n t h e standard 12-inch diameter module, which holds just 37 of t h e s a m e e l e m e n t s . A n e w t y p e of g a s k e t surrounds each ceramic element, and a new r e t a i n e r - p l a t e d e s i g n h o l d s a n d s e a l s t h e e l e m e n t s in t h e h o u s i n g , a l l o w i n g t h e m to b e p l a c e d v e r y close together. For f u r t h e r information, contact: Mike Markovsky-US Filter, 40-004 Cook Street, Palm Desert, CA 92211, USA. Tel: +1 619 341 8 1 1 7 ; f a x : +1 619 341 9368.
AEA e x e c u t i v e a p p o i n t e d by Fairey Group P e t e r W a t s o n , c h i e f e x e c u t i v e of A E A T e c h n o l o g y plc, the science and engineering services business, has b e e n a p p o i n t e d a s a n o n - e x e c u t i v e d i r e c t o r of F a i r e y Group, the electronics and engineering group. W a t s o n h a s a w i d e r a n g e of m a n a g e m e n t e x p e r i e n c e in B r i t i s h e n g i n e e r i n g , w h i c h h a s i n c l u d e d p o s i t i o n s a s a b o a r d m e m b e r of B r i t i s h R a i l w a y s a s well a s c h a i r m a n a n d c h i e f e x e c u t i v e of two o p e r a t i n g d i v i s i o n s of GKN. He is n o w c h i e f e x e c u t i v e of AEA T e c h n o l o g y plc, t h e b r o a d l y - b a s e d s c i e n c e a n d e n g i n e e r i n g services. At A E A T e c h n o l o g y P e t e r h a s h a d c o n s i d e r a b l e s u c c e s s in t u r n i n g s c i e n c e i n t o profit a n d b r i n g i n g t e c h n o l o g y to t h e m a r k e t p l a c e . S i n c e j o i n i n g t h e c o m p a n y in 1994, h e h a s i n c r e a s e d o p e r a t i n g profits from £ 4 . 3 m i l l i o n in M a r c h 1994 to £ 1 9 . 8 m a t t h e e n d of f i n a n c i a l y e a r 1996. For f u r t h e r information contact: Fairey Group, Filleybrooks, Stone Staffordshire ST15 OPU, UK. Tel: +44 1785 8 1 3 2 4 1 ; f a x : +44 1 785 818733.
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Conference on wastewater announced The D e p a r t m e n t o f E n v i r o n m e n t a l E n g i n e e r i n g of P o l i t e c n i c o of Milano, t o g e t h e r w i t h IAWQ (International A s s o c i a t i o n on Water Quality) and with t h e c o - o p e r a t i o n of Fiera Milano Congressi is o r g a n i s i n g an I n t e r n a t i o n a l C o n f e r e n c e on Advanced Wastewater Treatments, Recycling and Re-use. T h e c o n f e r e n c e will t a k e p l a c e a t t h e C o n f e r e n c e C e n t r e of F i e r a di Milano, Milan, Italy o n S e p t e m b e r 14 - 16 1998. T h e official l a n g u a g e s will b e E n g l i s h a n d I t a l i a n (with s i m u l t a n e o u s t r a n s l a t i o n ) , b u t all p a p e r s m u s t b e s u b m i t t e d in E n g l i s h . T h e m a i n c o n f e r e n c e t o p i c s will be: A d v a n c e d W a s t e w a t e r T r e a t m e n t ; T e c h n o l o g i e s for A d v a n c e d T r e a t m e n t of M u n i c i p a l & I n d u s t r i a l W a s t e w a t e r ; Wastewater Reclamation; and Institutional and E c o n o m i c A s p e c t s of W a t e r R e - u s e . T h e d e a d l i n e for t h e s u b m i s s i o n of a b s t r a c t s is 5 S e p t e m b e r 1997 a n d t h e n o t i f i c a t i o n of a p a p e r s a c c e p t a n c e will b e given b y 2 8 N o v e m b e r 1997. For f u r t h e r information, contact: Secretariat AlleY98, c / o DIIAR-Sezione Ambientale, Politecnico di Milano, P i a z z a L. Da Vinci 32, 2 0 1 3 3 Milan, Italy. Tel: +39 2 2 3 9 9 6 4 1 6 ; f a x : + 3 9 2 2 3 9 9 6499; e-mail: milano98@ambl, amb.polimi, it
Hot deionised water cartridge Memtec Electronics has developed an innovative m e m b r a n e filter c a r t r i d g e d e s i g n e d for u s e in h o t d e i o n i s e d (DI) w a t e r . T h e V a r a t h e r m S e r i e s c o m b i n e s t h e c a p a b i l i t i e s of M e m t e c ' s p a t e n t e d h i g h l y a s y m m e t r i c p o l y s u l f o n e m e m b r a n e , w i t h all p o l y s u l f o n e cage, c o r e a n d e n d c a p s . T h i s u n i q u e c o m b i n a t i o n w i t h s t a n d s c o n t i n u o u s DI w a t e r t e m p e r a t u r e s u p to 2 1 2 °F (100 °C), w h i l e d e l i v e r i n g i m p r o v e d flow r a t e s v e r s u s c o m m o n l y u s e d Teflon (PTFE) filters. M e m t e c c l a i m t h a t u s e r s c a n a l s o e x p e c t s a v i n g s of u p to 70% v e r s u s t h e m o r e e x p e n s i v e Teflon c a r t r i d g e s . A hydrophilic polysulfone membrane eliminates the i n c o n v e n i e n c e of p r e w e t t i n g , a n d t h e p o l y s u l f o n e construction also rinses up extremely fast and c o n t r i b u t e s negligible levels of e x t r a c t a b l e s . T h e V a r a t h e r m is a v a i l a b l e in d o u b l e l a y e r c o n f i g u r a t i o n s , in a b s o l u t e r e m o v a l r a t i n g s of 0.02, 0.1 a n d 0.2 m i c r o n s , a n d in l e n g t h s f r o m 4" to 40". S e v e r a l e n d configurations and elastomer O-ring options are also a v a i l a b l e e n a b l i n g V a r a t h e r m to b e c o n f i g u r e d to fit
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t h e r e q u i r e m e n t s of m o s t a p p l i c a t i o n s . For f u r t h e r information, contact: M e m t e c A m e r i c a Corporation, Electronics Group, 2 0 3 3 Greenspring Drive, Timonium, MA 21093, USA. Tel: +1 4 1 0 2 5 2 0800; fax:+ 1 4 1 0 5 6 0 2857; Internet: w w w . memtec, corn
N o v e l P r o c e s s for Emulsion Production M e m t e c h (UK) Limited h a s l a u n c h e d a n e w c r o s s f l o w m e m b r a n e s y s t e m for t h e i n d u s t r i a l s c a l e p r o d u c t i o n of e m u l s i o n s . M e m t e c h c l a i m t h a t t h e s y s t e m , j o i n t l y developed between Memtech, Disperse Technologies, F a i r e y I n d u s t r i a l C e r a m i c s , a n d t h e U n i v e r s i t y of E x e t e r u s e s v e r y low p o w e r (4Kw) in c o m p a r i s o n w i t h c o n v e n t i o n a l t e c h n i q u e s ( 2 5 - 3 0 Kw), y e t p r o v i d e s far b e t t e r c o n t r o l over t h e d r o p l e t size d i s t r i b u t i o n , a n d h e n c e t h e p h y s i c a l p r o p e r t i e s of t h e e m u l s i o n . T h e u s e of a c e r a m i c m e m b r a n e e n a b l e s u n i f o r m d r o p l e t s a t h i g h d e n s i t y to b e o b t a i n e d in b a t c h or c o n t i n u o u s m o d e . T h e n a r r o w n e s s of t h e d r o p l e t size distribution obtained by this method enables very specific a n d s t a b l e p r o p e r t i e s to b e b u i l t i n t o t h e e m u l s i o n , w h i c h is of g r e a t i n t e r e s t to c o s m e t i c , toiletry, p h a r m a c e u t i c a l , a n d food m a n u f a c t u r e r s . Specific a d v a n t a g e s i n c l u d e c o n t r o l of e m u l s i o n a v e r a g e d r o p l e t size, low o p e r a t i n g e n e r g y , a n a r r o w b a n d of d r o p l e t sizes a n d t h e a b i l i t y to r u n in c o n t i n u o u s p r o d u c t i o n , over a w i d e t e m p e r a t u r e r a n g e . For f u r t h e r information, contact: M e m t e c h (UK) Ltd, Lion Way, Morriston, S w a n s e a , UK. Tel: + 44 1792 3 1 0 4 5 4 ; f a x : +44 1792 3 1 0 3 3 1 .
Koch acquires nanofiltration rights Koch M e m b r a n e S y s t e m s , h a s a c q u i r e d w o r l d w i d e r i g h t s for t h e m a n u f a c t u r e a n d d i s t r i b u t i o n of A l k a S a v e a n d SelRo n a n o f i l t r a t i o n m e m b r a n e s . T h e s e caustic, acid and solvent resistant membranes are a v a i l a b l e in t u b u l a r a s well a s s p i r a l c o n f i g u r a t i o n s and are custom engineered into complete separation s y s t e m s . T h e s e s y s t e m s h a v e a p p l i c a t i o n s in t h e s e p a r a t i o n of low a n d h i g h m o l e c u l a r w e i g h t c o m p o u n d s from a q u e o u s a n d n o n - a q u e o u s s o l v e n t s , in t h e p H r a n g e 0 - 1 4 a n d t e m p e r a t u r e s u p to 80 °C. C o m m e r c i a l a p p l i c a t i o n s i n c l u d e t h e r e m o v a l of o r g a n i c s (COD) from u s e d c a u s t i c a n d a c i d c l e a n i n g
M e m b r a n e T e c h n o l o g y No. 8 2
News and Views s o l u t i o n s a s well a s n u m e r o u s o t h e r w a s t e c o n t r o l a n d chemical and pharmaceutical process applications. For f u r t h e r information, contact: Koch Membrane S y s t e m s , Inc., Friars Mill, Friars Terrace, Stafford ST17 4AU, UK. Tel: +44 1785 2 1 2 5 6 5 ; f a x : + 44 1785 223149.
Pall and G e l m a n complete merger Pall C o r p o r a t i o n a n d G e l m a n S c i e n c e s s u c c e s s f u l l y m e r g e d o n F e b r u a r y 3, 1997. T h e n o w c o m b i n e d r e s o u r c e s of t h e two c o m p a n i e s p r o v i d e a c c e s s to a w i d e a r r a y of filtration, s y s t e m e n g i n e e r i n g a n d s e p a r a t i o n s s o l u t i o n s . In t h e d i a g n o s t i c m a r k e t s , t h e m e r g e r j o i n s t h e t e c h n i c a l s t r e n g t h s of t h e two c o m p a n i e s in t h e d e v e l o p m e n t a n d m a n u f a c t u r e of proprietary filtration and separation media widely u s e d w i t h i n t h e field of b i o t e c h n o l o g y . G e l m a n S c i e n c e s will o p e r a t e a s a s u b s i d i a r y of Pall C o r p o r a t i o n . It will b e r e s p o n s i b l e for t h e s a l e of G e l m a n a n d Pall p r o d u c t s to t h e L a b o r a t o r y , M e d i c a l OEM and Specialty Materials markets. For f u r t h e r information, contact: Pall Corporation, Port Washington, N Y 11050, USA. Tel: +1 516 484 3600; Internet: http: / / www.paU.com.
Cost analysis f e a t u r e a d d e d to reverse osmosis software F l u i d S y s t e m s h a s a n n o u n c e d t h e r e l e a s e of a n e w v e r s i o n of its r e v e r s e o s m o s i s (RO) s y s t e m d e s i g n s o f t w a r e . T h e m o s t s i g n i f i c a n t n e w f e a t u r e is a c o s t analysis function -- CostPro. CostPro helps users o p t i m i z e s y s t e m d e s i g n from a c o s t v i e w p o i n t , a n d m a k e s c o m p a r i s o n s b e t w e e n two s e p a r a t e d e s i g n s . V e r s i o n 6.1 of RoPro for W i n d o w s i n c l u d e s all of F l u i d S y s t e m s n e w e s t m e m b r a n e e l e m e n t s like t h e TFC-ULP, M a g n u m , a n d TFC P r e m i u m e l e m e n t s , p l u s t h e S p i r a l C o m p o s i t e s m a l l e l e m e n t p r o d u c t line. It offers d e s i g n c a l c u l a t i o n s for b o t h s i n g l e - a n d t w o - p a s s systems, concentrate recycle and permeate back p r e s s u r e . U s e r s a r e a b l e to define c o n s t i t u e n t s in t h e feed a n a l y s i s , a n d p r o d u c e p r o j e c t e d s y s t e m p e r f o r m a n c e g r a p h s a n d o n - s c r e e n a n d p r i n t a b l e flow diagrams. For more information, contact: Fluid S y s t e m s , 10054 Old Grove Road, S a n Diego, CA 92131, USA. Tel: +1 619 695 3 8 4 0 ; f a x : +1 619 695 3840.
M e m b r a n e T e c h n o l o g y No. 8 2
US Filter introduces high-surface-area module United States Filter Corporation has designed a new c e r a m i c m e m b r a n e f i l t r a t i o n m o d u l e t h a t h o l d s u p to 21 s q u a r e m e t r e s of m e m b r a n e f i l t r a t i o n s u r f a c e a r e a - - 60% m o r e t h a n t h e p r e v i o u s d e s i g n . It is m o r e c o m p a c t , a n d r e q u i r e s l e s s p i p i n g a n d fewer p u m p s , g a u g e s , c o n n e c t i o n s a n d valves. The new design packs 60 P19-40GL or P37-30GL e l e m e n t s into a s l i g h t l y l a r g e r h o u s i n g t h a n t h e standard 12-inch diameter module, which holds just 37 of t h e s a m e e l e m e n t s . A n e w t y p e of g a s k e t surrounds each ceramic element, and a new r e t a i n e r - p l a t e d e s i g n h o l d s a n d s e a l s t h e e l e m e n t s in t h e h o u s i n g , a l l o w i n g t h e m to b e p l a c e d v e r y close together. For f u r t h e r information, contact: Mike Markovsky-US Filter, 40-004 Cook Street, Palm Desert, CA 92211, USA. Tel: +1 619 341 8 1 1 7 ; f a x : +1 619 341 9368.
AEA e x e c u t i v e a p p o i n t e d by Fairey Group P e t e r W a t s o n , c h i e f e x e c u t i v e of A E A T e c h n o l o g y plc, the science and engineering services business, has b e e n a p p o i n t e d a s a n o n - e x e c u t i v e d i r e c t o r of F a i r e y Group, the electronics and engineering group. W a t s o n h a s a w i d e r a n g e of m a n a g e m e n t e x p e r i e n c e in B r i t i s h e n g i n e e r i n g , w h i c h h a s i n c l u d e d p o s i t i o n s a s a b o a r d m e m b e r of B r i t i s h R a i l w a y s a s well a s c h a i r m a n a n d c h i e f e x e c u t i v e of two o p e r a t i n g d i v i s i o n s of GKN. He is n o w c h i e f e x e c u t i v e of AEA T e c h n o l o g y plc, t h e b r o a d l y - b a s e d s c i e n c e a n d e n g i n e e r i n g services. At A E A T e c h n o l o g y P e t e r h a s h a d c o n s i d e r a b l e s u c c e s s in t u r n i n g s c i e n c e i n t o profit a n d b r i n g i n g t e c h n o l o g y to t h e m a r k e t p l a c e . S i n c e j o i n i n g t h e c o m p a n y in 1994, h e h a s i n c r e a s e d o p e r a t i n g profits from £ 4 . 3 m i l l i o n in M a r c h 1994 to £ 1 9 . 8 m a t t h e e n d of f i n a n c i a l y e a r 1996. For f u r t h e r information contact: Fairey Group, Filleybrooks, Stone Staffordshire ST15 OPU, UK. Tel: +44 1785 8 1 3 2 4 1 ; f a x : +44 1 785 818733.
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