Conference on wastewater announced

Conference on wastewater announced

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 ...

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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: [email protected], 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

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