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Large-volume filtration of biologicals
News and Views
Large-volume filtration of biologicals
Collaboration to sell ultrafiltration membranes
G e l m a n S c i e n c e s VacuCapTM90 is a d i s p o s a b l e b o t t l e - t o p filtration u n i t for fast a n d e a s y v a c u u m filtration of l a b o r a t o r y s o l u t i o n s s u c h a s cell c u l t u r e media. F l u i d d r a w s directly from the mixing vessel a n d filters q u i c k l y into the d e s i r e d container, t h u s e l i m i n a t i n g p o t e n t i a l c o n t a m i n a t i o n of the solution d u e to filtrate t r a n s f e r steps. The new, i m p r o v e d d e s i g n of V a c u C a p 90 f e a t u r e s a n a u t o m a t i c s h u t - o f f valve to p r e v e n t c o n t a m i n a t i o n of the v a c u u m llne b y p r e v e n t i n g overflow. VacuCap 90 i n c o r p o r a t e s 60 cm 2 of G e l m a n Sciences a d v a n c e d S u p o r m e m b r a n e for fast filtration of large ( > 500 ml) volumes. The c o m p a c t d e s i g n m i n i m i z e s h a z a r d o u s w a s t e d i s p o s a l costs, a n d t a k e s u p less l a b o r a t o r y s p a c e t h a n o t h e r self-contained v a c u u m filter u n i t s . V a c u C a p 60, with the s a m e characteristics as V a c u C a p 90 is available for filtration of s m a l l e r volumes. Further Informatlon from: Gelman Sciences, Inc, 600 South Wagner Road, A n n Arbor, M148106, USA. Tel: +1 313 665 0651. Fax: +1 313 761 1208. Or contact: Gelman Sciences Ltd, Brackmllls B u s i n e s s Park, Caswell Road, Northampton NN4 0EZ, UK. Tel: +44 (0)604 765141. Fax: +44 (0)604 761383.
A s a h i C h e m i c a l I n d u s t r y Co Ltd h a s a n n o u n c e d p l a n s to collaborate with Pall Corp of the USA in the a r e a of u l t r a f l l t r a t l o n m e m b r a n e s a l e s in the US a n d European markets. A s a h i s a y s the u l t r a f i l t r a t l o n m e m b r a n e c a n be u s e d in a wide r a n g e of p r e c i s i o n m e m b r a n e e q u i p m e n t u s e d for the recovery of e l e c t r o d e p o s i t e d a u t o m o b i l e p a i n t a n d in f e r m e n t a t i o n p r o c e s s e s in the m a n u f a c t u r e of foods a n d p h a r m a c e u t i c a l s . Further information from: Asahl Chemical Industry Co Ltd, Textiles and Fibers Marketing Division, Shln-Dalblru Building, 1-2-6 Dojlma-Hama, Klta-ku, Osaka 530, Japan. Tel: +81 6 3 4 7 3111. Fax: +81 6 347 3240.(c)
Nitto Denko develops waste water treatment unit I b a r a k i - b a s e d Nitto Denko Corp h a s developed a n e w w a s t e water t r e a t m e n t unit. According to the c o m p a n y , the new p r o d u c t c o n s i s t s of a n u l t r a f i l t r a t i o n (UF) m e m b r a n e , a m e m b r a n e maintenance system and a concentration-separation tank. The p r o d u c t wiU b e p r i c e d at ¥2.5 million a n d the c o m p a n y p r e d i c t s a n n u a l s a l e s of I 0 0 u n i t s in the first y e a r of m a r k e t i n g . Further Informatton from: Nitto Denko Corp, 1-I-2 Shlmohozuml, Ibarakl City, Osaka Prefecture 567, Japan. Tel: +81 726 22 2981. Fax: +81 726 26 1505.(c)
M e m b r a n e T e c h n o l o g y No. 4 2
Books from American Water Works A s s o c i a t i o n Two b o o k s from the A m e r i c a n Water Works A s s o c i a t i o n (AWWA) m a y be of i n t e r e s t to m e m b r a n e technologists. M a n u a l s p u b l i s h e d by the AWWA begin a s c o m m i t t e e projects, a n d a r e s u b j e c t to extensive review. C o m m i t t e e m e m b e r s are selected on the b a s i s of their special knowledge a n d their willingness to serve the public. The first b o o k is the ' E l e c t r o d i a l y s i s a n d E l e c t r o d i a l y s i s Reversal M a n u a l of Practice' (ED a n d EDR Manual). It e x p l a i n s p r o c e s s principles, technology, a n d s y s t e m design, with e n o u g h i n f o r m a t i o n on w a t e r c h e m i s t r y to u n d e r s t a n d b a s i c ED a n d EDR theory. The section on d e s i g n f u n d a m e n t a l s i n c l u d e s a d i s c u s s i o n on limiting p a r a m e t e r s , s u c h a s c u r r e n t density, Langelier S a t u r a t i o n Index, c a l c i u m s u l p h a t e s a t u r a t i o n , a n d other factors affecting p e r f o r m a n c e a n d design. There is general i n f o r m a t i o n on e q u i p m e n t , p r e and post treatment, concentrate disposal methods, a n d b a s i c e q u a t i o n s . Plant engineers, utility decision m a k e r s a n d o p e r a t o r s will find t h a t it provides useful, e a s i l y a c c e s s i b l e information, The ED a n d EDR M a n u a l is d u e for p u b l i c a t i o n in S p r i n g 1994. The 'Reverse O s m o s i s M a n u a l ' (RO Manual) is more technical, i n c l u d i n g m o r e d e t a i l e d i n f o r m a t i o n
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Large-volume filtration of biologicals
Collaboration to sell ultrafiltration membranes
G e l m a n S c i e n c e s VacuCapTM90 is a d i s p o s a b l e b o t t l e - t o p filtration u n i t for fast a n d e a s y v a c u u m filtration of l a b o r a t o r y s o l u t i o n s s u c h a s cell c u l t u r e media. F l u i d d r a w s directly from the mixing vessel a n d filters q u i c k l y into the d e s i r e d container, t h u s e l i m i n a t i n g p o t e n t i a l c o n t a m i n a t i o n of the solution d u e to filtrate t r a n s f e r steps. The new, i m p r o v e d d e s i g n of V a c u C a p 90 f e a t u r e s a n a u t o m a t i c s h u t - o f f valve to p r e v e n t c o n t a m i n a t i o n of the v a c u u m llne b y p r e v e n t i n g overflow. VacuCap 90 i n c o r p o r a t e s 60 cm 2 of G e l m a n Sciences a d v a n c e d S u p o r m e m b r a n e for fast filtration of large ( > 500 ml) volumes. The c o m p a c t d e s i g n m i n i m i z e s h a z a r d o u s w a s t e d i s p o s a l costs, a n d t a k e s u p less l a b o r a t o r y s p a c e t h a n o t h e r self-contained v a c u u m filter u n i t s . V a c u C a p 60, with the s a m e characteristics as V a c u C a p 90 is available for filtration of s m a l l e r volumes. Further Informatlon from: Gelman Sciences, Inc, 600 South Wagner Road, A n n Arbor, M148106, USA. Tel: +1 313 665 0651. Fax: +1 313 761 1208. Or contact: Gelman Sciences Ltd, Brackmllls B u s i n e s s Park, Caswell Road, Northampton NN4 0EZ, UK. Tel: +44 (0)604 765141. Fax: +44 (0)604 761383.
A s a h i C h e m i c a l I n d u s t r y Co Ltd h a s a n n o u n c e d p l a n s to collaborate with Pall Corp of the USA in the a r e a of u l t r a f l l t r a t l o n m e m b r a n e s a l e s in the US a n d European markets. A s a h i s a y s the u l t r a f i l t r a t l o n m e m b r a n e c a n be u s e d in a wide r a n g e of p r e c i s i o n m e m b r a n e e q u i p m e n t u s e d for the recovery of e l e c t r o d e p o s i t e d a u t o m o b i l e p a i n t a n d in f e r m e n t a t i o n p r o c e s s e s in the m a n u f a c t u r e of foods a n d p h a r m a c e u t i c a l s . Further information from: Asahl Chemical Industry Co Ltd, Textiles and Fibers Marketing Division, Shln-Dalblru Building, 1-2-6 Dojlma-Hama, Klta-ku, Osaka 530, Japan. Tel: +81 6 3 4 7 3111. Fax: +81 6 347 3240.(c)
Nitto Denko develops waste water treatment unit I b a r a k i - b a s e d Nitto Denko Corp h a s developed a n e w w a s t e water t r e a t m e n t unit. According to the c o m p a n y , the new p r o d u c t c o n s i s t s of a n u l t r a f i l t r a t i o n (UF) m e m b r a n e , a m e m b r a n e maintenance system and a concentration-separation tank. The p r o d u c t wiU b e p r i c e d at ¥2.5 million a n d the c o m p a n y p r e d i c t s a n n u a l s a l e s of I 0 0 u n i t s in the first y e a r of m a r k e t i n g . Further Informatton from: Nitto Denko Corp, 1-I-2 Shlmohozuml, Ibarakl City, Osaka Prefecture 567, Japan. Tel: +81 726 22 2981. Fax: +81 726 26 1505.(c)
M e m b r a n e T e c h n o l o g y No. 4 2
Books from American Water Works A s s o c i a t i o n Two b o o k s from the A m e r i c a n Water Works A s s o c i a t i o n (AWWA) m a y be of i n t e r e s t to m e m b r a n e technologists. M a n u a l s p u b l i s h e d by the AWWA begin a s c o m m i t t e e projects, a n d a r e s u b j e c t to extensive review. C o m m i t t e e m e m b e r s are selected on the b a s i s of their special knowledge a n d their willingness to serve the public. The first b o o k is the ' E l e c t r o d i a l y s i s a n d E l e c t r o d i a l y s i s Reversal M a n u a l of Practice' (ED a n d EDR Manual). It e x p l a i n s p r o c e s s principles, technology, a n d s y s t e m design, with e n o u g h i n f o r m a t i o n on w a t e r c h e m i s t r y to u n d e r s t a n d b a s i c ED a n d EDR theory. The section on d e s i g n f u n d a m e n t a l s i n c l u d e s a d i s c u s s i o n on limiting p a r a m e t e r s , s u c h a s c u r r e n t density, Langelier S a t u r a t i o n Index, c a l c i u m s u l p h a t e s a t u r a t i o n , a n d other factors affecting p e r f o r m a n c e a n d design. There is general i n f o r m a t i o n on e q u i p m e n t , p r e and post treatment, concentrate disposal methods, a n d b a s i c e q u a t i o n s . Plant engineers, utility decision m a k e r s a n d o p e r a t o r s will find t h a t it provides useful, e a s i l y a c c e s s i b l e information, The ED a n d EDR M a n u a l is d u e for p u b l i c a t i o n in S p r i n g 1994. The 'Reverse O s m o s i s M a n u a l ' (RO Manual) is more technical, i n c l u d i n g m o r e d e t a i l e d i n f o r m a t i o n
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