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Market report on equipment for water pollution control in the US
USTRIALNEWS Market report on equipment for water pollution control in the US According to a Business Comm u n i c a t i o n s Co Inc study, ' S e n s o r s a n d m o n i t o r s for water pollution control', sales of w a t e r pollution sensors a n d m o n i t o r i n g equipm e n t have been s p u r r e d by US g o v e r n m e n t legislation a n d funding, despite conservatism a n d i n d u s t r y resistance. Overall t h e US m a r k e t for s e n s o r s , m o n i t o r s a n d rel a t e d e q u i p m e n t u s e d in w a t e r pollution control was v a l u e d a t $850 million in 1992. By 2000, t h e m a r k e t will r e a c h a n e s t i m a t e d $1.46 billion, reflecting 7% average a n n u a l growth. Sensors, m o n i t o r s a n d related i n s t r u m e n t a t i o n represent the largest market s e g m e n t a n d w a s a n estim a t e d $503 million in 1992. It is e x p e c t e d to grow to $537.1 million by 1993, $613.5 million by 1995, a n d reach $863.1 million by t h e year 2000. The average pro-
jected growth rate will be 7.0% a n n u a l l y over t h e course of the study period. Analytical instruments also c o m p r i s e a significant a n d growing s e g m e n t in t h e market. The m a r k e t for analyt i c a l i n s t r u m e n t s u s e d in these applications was an e s t i m a t e d $288 million in t h e US in 1992. It is expected to grow to $305.6 million by 1993, $344.9 million by 1995, a n d r e a c h $470.1 million by t h e year 2000, reflecting 6.3% a n n u a l growth. A l t h o u g h it is t h e smallest of t h e t h r e e segments, t h e m a r k e t for s a m p l e r s totalled a n e s t i m a t e d $59 million in 1992. This is e x p e c t e d to r e a c h $129 million by 2000, reflecting 10.3% average annual growth. Business Communications Co Inc, 25 Van Zant Street, Norwalk, CT 06855, USA. Tel: + 1 203 853 4266, fax: + 1 203 853 0348.
Combination filter purifier A c o m b i n a t i o n filter-purifier h a s been developed for ultrapurification of gases a t t h e University of Arizona, Tucson. A c o m m e r c i a l u n i t will be available in two years from Pall Corporation. Normally, filtration a n d purification are done separately, but this limits purity. Ordinary filters produce some gaseous contaminants through adsorpt i o n a n d d e s o r p t i o n , while friction in packed-bed puritiers p r o d u c e s particles.
The u n i v e r s i t y ' s m e t h o d avoids t h i s by using ceramic or m e t a l m e m b r a n e s bearing proprietary reactive metal sites t h a t scavenge gaseous c o n t a m i n a n t s to t h e partsp e r - t r i l l i o n level. S i m u l t a neously, t h e m e m b r a n e s filter particles as small as 0.01 micrometer. Because the membrane tilter eliminates t h e need for a packed-bed purifier, t h e c o m b i n a t i o n will be only 10-12 p e r cent t h e size of s t a n d a r d two-unit system.
Sintered filter screens for extrusion lines Following i m p l e m e n t a t i o n of redesigned filtration m e t h o d s developed by G Bopp & Co, polythene bag m a n u f a c t u r e r Swains Packaging reports increased efficiency from t h e company's Alpine 35 a n d 50 m m e x t r u s i o n lines. Bopp has replaced the traditional three-layer top and bottom welded filter screens with its own s i n t e r e d screens, u s i n g h i g h - q u a l i t y stainless-steel mesh. Swains Packaging h a s experienced a n u m b e r of operational advantages. I n s t a l l a t i o n a n d removal of t h e screens is quick a n d simple, a n d elimination of w e l d e d a r e a s h a s b o t h i m p r o v e d t h e surface a r e a a n d e x t e n d e d screen life. The sintering process m e a n s t h a t t h e r e are n o gaps b e t w e e n t h e m e s h layers, eliminating t h e possibility of
larger particles becoming t r a p p e d a n d forming temporary blinding, which can lead to p r e s s u r e i n c r e a s e s a n d a p e r t u r e enlargement. Improved fit a n d bonding a t all p o i n t s b e t w e e n t h e layers m e a n s t h a t t h e cylinder does not disintegrate w h e n s c r e e n s are r e m o v e d a n d replaced. The m o s t positive advantage for Swains Packaging is a n overall reduction in t h e n u m b e r of s c r e e n s , a t n o increase in cost p e r screen. In daily r u n n i n g of t h e lines the c o m p a n y h a s experienced improved back-pressure a n d better mixing on master batches. G Bopp & Co Ltd, 115 Brunswick Park Road, New Southgate, London N l l 1LJ, UK. Tel: +44 ( 0 ) 8 1 368 9989, f a x : + 4 4 (0) 81 368 5229.
Permanent magnet protects clay plant Pfizer chooses pervaporation Le Carbone GB, m a n u f a c t u r e r of m e m b r a n e s e p a r a t i o n devices, h a s b e e n a w a r d e d a contract to supply Pfizer P h a r m a c e u t i c a l s of I r e l a n d with a large-capacity pervap o r a t i o n system. The Pervap system is for installation a t Pf~er's p l a n t in Ringaskiddy, n e a r Cork, a n d will be used to e x t e n d t h e company's existing solvent recovery facilities. The multi-purpose design will initially be used for deh y d r a t i n g 550kg of e t h a n o l p e r hour, from a 4% w a t e r c o n c e n t r a t i o n down to 0.2%, a n d will also be capable of
drying isopropanol a n d THF to s i m i l a r levels of purity. Supplied as a self-contained s k i d - m o u n t e d unit, occupying over 40 m 8, t h e p r o d u c t will be complete with t h r e e pervaporation membrane modules a n d all control, i n s t r u m e n t a tion a n d safety systems. This c o n t r a c t will repres e n t t h e first Pervap system to be used in Ireland a n d will also be t h e first p r o d u c t of its type to be installed by Pfizer. Having m a d e t h e d e c i s i o n to e x p a n d its solvent recovery plant, Pfizer selected pervap o r a t i o n instead of t h e more
Boxmag-Rapid, Birminghamb a s e d specialist in a p p l i e d magnetics technology, has supplied Red Bank Manufacturing with a suspension m a g n e t for use in clay prep a r a t i o n p l a n t . Red B a n k m a n u f a c t u r e s a range of over 5000 d i f f e r e n t h e a v y clay items a t its p l a n t in Measham, including facing
usual t e c h n i q u e of azeotropic distillation, with its a t t e n d a n t e n t r a i n e r considerations. Chemical Engineering Division, Le Carbone (Great Britain) Ltd, South Street, Portslade, East Sussex BN41 2LX, UK. Tel: + 44 ( 0 ) 2 7 3 415701, fax: +44 (0)273 415673.
bricks, roof tiles, ridge tiles, finials a n d chimney pots. The Boxmag-Rapid p e r m a n e n t - m a g n e t u n i t is installed above a conveyor feed to t h e clay p r e p a r a t i o n e q u i p m e n t a n d is designed to remove any t r a m p iron or steel which may have been introduced d u r i n g q u a r r y i n g or t r a n s port. Removal of t h i s t r a m p iron is critical to protect t h e m a c h i n e r y in t h e p r e p a r a t i o n plant. The suspension m a g n e t is fitted with a s t r i p p e r p l a t e to facilitate easy removal of t r a m p iron collect on it. B o x m a g - R a p i d Ltd, C h e s t e r Street, Aston, Birmingham B6 4AJ, UK. Tel: +44 (0)21 359 5061,fax: +44 (0)21 359 3501.
November 1993
Filtration & Separation
jected growth rate will be 7.0% a n n u a l l y over t h e course of the study period. Analytical instruments also c o m p r i s e a significant a n d growing s e g m e n t in t h e market. The m a r k e t for analyt i c a l i n s t r u m e n t s u s e d in these applications was an e s t i m a t e d $288 million in t h e US in 1992. It is expected to grow to $305.6 million by 1993, $344.9 million by 1995, a n d r e a c h $470.1 million by t h e year 2000, reflecting 6.3% a n n u a l growth. A l t h o u g h it is t h e smallest of t h e t h r e e segments, t h e m a r k e t for s a m p l e r s totalled a n e s t i m a t e d $59 million in 1992. This is e x p e c t e d to r e a c h $129 million by 2000, reflecting 10.3% average annual growth. Business Communications Co Inc, 25 Van Zant Street, Norwalk, CT 06855, USA. Tel: + 1 203 853 4266, fax: + 1 203 853 0348.
Combination filter purifier A c o m b i n a t i o n filter-purifier h a s been developed for ultrapurification of gases a t t h e University of Arizona, Tucson. A c o m m e r c i a l u n i t will be available in two years from Pall Corporation. Normally, filtration a n d purification are done separately, but this limits purity. Ordinary filters produce some gaseous contaminants through adsorpt i o n a n d d e s o r p t i o n , while friction in packed-bed puritiers p r o d u c e s particles.
The u n i v e r s i t y ' s m e t h o d avoids t h i s by using ceramic or m e t a l m e m b r a n e s bearing proprietary reactive metal sites t h a t scavenge gaseous c o n t a m i n a n t s to t h e partsp e r - t r i l l i o n level. S i m u l t a neously, t h e m e m b r a n e s filter particles as small as 0.01 micrometer. Because the membrane tilter eliminates t h e need for a packed-bed purifier, t h e c o m b i n a t i o n will be only 10-12 p e r cent t h e size of s t a n d a r d two-unit system.
Sintered filter screens for extrusion lines Following i m p l e m e n t a t i o n of redesigned filtration m e t h o d s developed by G Bopp & Co, polythene bag m a n u f a c t u r e r Swains Packaging reports increased efficiency from t h e company's Alpine 35 a n d 50 m m e x t r u s i o n lines. Bopp has replaced the traditional three-layer top and bottom welded filter screens with its own s i n t e r e d screens, u s i n g h i g h - q u a l i t y stainless-steel mesh. Swains Packaging h a s experienced a n u m b e r of operational advantages. I n s t a l l a t i o n a n d removal of t h e screens is quick a n d simple, a n d elimination of w e l d e d a r e a s h a s b o t h i m p r o v e d t h e surface a r e a a n d e x t e n d e d screen life. The sintering process m e a n s t h a t t h e r e are n o gaps b e t w e e n t h e m e s h layers, eliminating t h e possibility of
larger particles becoming t r a p p e d a n d forming temporary blinding, which can lead to p r e s s u r e i n c r e a s e s a n d a p e r t u r e enlargement. Improved fit a n d bonding a t all p o i n t s b e t w e e n t h e layers m e a n s t h a t t h e cylinder does not disintegrate w h e n s c r e e n s are r e m o v e d a n d replaced. The m o s t positive advantage for Swains Packaging is a n overall reduction in t h e n u m b e r of s c r e e n s , a t n o increase in cost p e r screen. In daily r u n n i n g of t h e lines the c o m p a n y h a s experienced improved back-pressure a n d better mixing on master batches. G Bopp & Co Ltd, 115 Brunswick Park Road, New Southgate, London N l l 1LJ, UK. Tel: +44 ( 0 ) 8 1 368 9989, f a x : + 4 4 (0) 81 368 5229.
Permanent magnet protects clay plant Pfizer chooses pervaporation Le Carbone GB, m a n u f a c t u r e r of m e m b r a n e s e p a r a t i o n devices, h a s b e e n a w a r d e d a contract to supply Pfizer P h a r m a c e u t i c a l s of I r e l a n d with a large-capacity pervap o r a t i o n system. The Pervap system is for installation a t Pf~er's p l a n t in Ringaskiddy, n e a r Cork, a n d will be used to e x t e n d t h e company's existing solvent recovery facilities. The multi-purpose design will initially be used for deh y d r a t i n g 550kg of e t h a n o l p e r hour, from a 4% w a t e r c o n c e n t r a t i o n down to 0.2%, a n d will also be capable of
drying isopropanol a n d THF to s i m i l a r levels of purity. Supplied as a self-contained s k i d - m o u n t e d unit, occupying over 40 m 8, t h e p r o d u c t will be complete with t h r e e pervaporation membrane modules a n d all control, i n s t r u m e n t a tion a n d safety systems. This c o n t r a c t will repres e n t t h e first Pervap system to be used in Ireland a n d will also be t h e first p r o d u c t of its type to be installed by Pfizer. Having m a d e t h e d e c i s i o n to e x p a n d its solvent recovery plant, Pfizer selected pervap o r a t i o n instead of t h e more
Boxmag-Rapid, Birminghamb a s e d specialist in a p p l i e d magnetics technology, has supplied Red Bank Manufacturing with a suspension m a g n e t for use in clay prep a r a t i o n p l a n t . Red B a n k m a n u f a c t u r e s a range of over 5000 d i f f e r e n t h e a v y clay items a t its p l a n t in Measham, including facing
usual t e c h n i q u e of azeotropic distillation, with its a t t e n d a n t e n t r a i n e r considerations. Chemical Engineering Division, Le Carbone (Great Britain) Ltd, South Street, Portslade, East Sussex BN41 2LX, UK. Tel: + 44 ( 0 ) 2 7 3 415701, fax: +44 (0)273 415673.
bricks, roof tiles, ridge tiles, finials a n d chimney pots. The Boxmag-Rapid p e r m a n e n t - m a g n e t u n i t is installed above a conveyor feed to t h e clay p r e p a r a t i o n e q u i p m e n t a n d is designed to remove any t r a m p iron or steel which may have been introduced d u r i n g q u a r r y i n g or t r a n s port. Removal of t h i s t r a m p iron is critical to protect t h e m a c h i n e r y in t h e p r e p a r a t i o n plant. The suspension m a g n e t is fitted with a s t r i p p e r p l a t e to facilitate easy removal of t r a m p iron collect on it. B o x m a g - R a p i d Ltd, C h e s t e r Street, Aston, Birmingham B6 4AJ, UK. Tel: +44 (0)21 359 5061,fax: +44 (0)21 359 3501.
November 1993
Filtration & Separation