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Patent granted for bacterial removal
STRIALNEWS The US learns from Germanyand Japan Germany and Japan have a more cost effective and efflcient approach to solving air pollution problems from the largest source, the utility industry. This conclusion has been reached by the McIlvaine Company after analysing the results of legislation in the three countries. The coal-fired power plants are the largest potential source of air pollution emissions in each of the three countries. While the U.S. is still struggling to reduce the air toxic, particulate, and SOP emissions from these plants, Japan and Germany have already achieved low emissions for all three contaminants. The secret has been a total approach which has included both existing and new plants and the legislation which addresses all pollutants and not just one pollutant at a time. As a result, both countries have installed systems which simultaneously remove particulate, air toxics and SOz to very low levels. The U.S. in contrast is trying to separately deal with new plants and existing plants and to legislate each pollutant individually. Scrubbers installed in Ger-
many and Japan not only capture the SOz but also reduce particulate to less than 0.15 lba/million BTU. This compares to emissions that average in excess of .08 lbs./million BTU in the United States. This higher level is caused by the lack of regulation on older coal-fired plants. In terms of absolute emissions the contrast is even greater. As the U.S. operates many more coal-fired plants than either of the other two countries, total annual emissions of particulates including toxic metals are 700,000 tons per year (tpy) compared to just 15,000 tpy in West Germany and 2,500 tpy in Japan. The U.S. Clean Air Act requires SOz reduction in the near term but toxics reductions later. Particulate reductions were not required. However the American Lung Association is suing EPA to require further particulate reductions. This could set off another round of regulations to address the older coal-fired plants. The McIlvaine Company, 2970 Maria Avenue, Northbrook, IL 60062, USA. Tel: + 1 708 272 0010, fw: + 1 708 272 9673.
Rare earth magnetic separator installed at salt processing plant Boxmag-Rapid has supplied a rare earth magnetic separator to RHM Foods’ salt processing plant in Middlewich, Cheshire. David Roberts, production engineer at RHM Foods, contacted Boxmag-Rapid when he was considering the installation of a new conveyor system. Boxmag-Rapid visited the plant and suggested that RHM foods installed one of their Supatrap rare earth magnetic separators.
The Supatrap consists of a chamber between two flanged connectors. The chamber contains a series of rare earth magnets which are bolted to a clamp-on cover plate. To ensure that no part of the plant would cause iron contaminat,ion in the finished product, the Supatrap was installed close to the packaging line. Boxmag-Rapid, Chester Street, Aston, Birmingham, B6 4AJ, UK Tel: + 44 21 359 5061, fm: + 44 21359 3501.
Contract for f&mecollection system Ervin Amasteel has awarded a contract to R.L. Flowers and Associates, Inc to design and supply all components for the elfZic arc furnace fume collection system for their new 30 ton eaf. The system consists of water cooled 4
fourth hole ductwork, roof monitor ventilation,and RLF flowaire reverse air clean baghouse. R.L. Flowers and Associates, Inc 2555 South Fourth Street, Louisville, KY 40208, USA. Tel: + 1
502 635 6245.
Pneumaticallyactuated filters for paint manufacturei Ivco Process Valves has supplied specially pneumatically actuated Airpel Self-Cleaning filter units to International Paints Ltd at Gateshead. The filters form part of the portable and fixed pumping stations which are used to transfer high specification marine paints from tanks into containers at the end of the paint making process. Airpel Self-Cleaning filters have integral cylindrical filtration elements which rotate against fixed scrapers during operation. The motion of the elements against the scrapers breaks down the thixotrophy of the paint to improve the flow and also acts as a final precaution for the removal of any unlikely impurities. International Paints and
Ivco designed an actuation solution utilising standard Norbro quarter-turn pneumatic actuators operating Maga rachet assemblies to provide 360°C multiturn output to the filter elements. Control is provided by 007 switchboxes mounted directly on the actuators and fitted with pneumatic limit switches. These are connected to the same factory air supply which operates the adjacent diaphragm pumps, thus enabling the operating of pump and filter to be synchronised on each pumping station. Ivco Process Valves, The Industrial Valve Division of BSS (UK) Ltd, Fleet House, Lee Circle, Leicester LEl 399, UK. Tel: + 44 533 623232, fa: + 44 533 531343.
Elga wins pure water contract Elga Water Treatment Ltd, has won a contract from Procter & Gamble (Manufacturing) Ltd for the supply of a pharmaceutical grade water treatment system for the company’s County Tipperary, Ireland toiletries and cosmetics plant. Under the terms of the contract, which is valued at more than %30,000, Elga will
supply a Filtromat multimedia filter unit, a Filtromat organic scavenger and two of its Elgamat Duo Rapide pharmaceutical grade twin bed deionisers, together with membrane filters and a UV sterilising unit. Elga Ltd, High Street, Lane End, High Wycombe, Bucks. HP14 3JH, UK. Tel: +44 494 881393,
fa:
+ 44 494 881007.
Patent granted for bacterial removal The United States Filter Corporation has been granted a patent entitled ‘Bacteria Removal by Ceramic Microfiltration’ (patent number 5,242,595), dated 7 September 1993. A result of several years of niembrane development work, the patent describes the use of ‘double-layer’ Membralox membranes, known as Sterilox, for the production of sterile solutions. This capability greatly enhances US Filter’s ceramic membrane product line. The patent’s authors are James Morgart, James Wilson,Jeff Peters and F&mesh Bhave. Unlike disposable polymeric counterparts, the Sterilox ceramic membrane may be cleaned and sanitised with steam, acids, bases or chlorJanuary/February
ine, and is indefinitely reusable. Sterilox has undergone rigorous testing using the bacteria challenge protocol from the Health Industries Manufacturing Association (HIMA), and has satisfied all the applicable test requirements for providing sterile liquid. Sterilox ceramic membranes are used in the food and beverage industries for cold stabilisation of juices and other liquids. Applications in the pharmaceuticals area include the sterilisation of parenteral solutions, contact lens solutions, vaccines and drugs. US Filter Corporation, 73-710 FI-ed Waring Drive, Suite 222, Palm Desert, CA 92260, USA. Tel: + 1 619 340 0098, fa: + 1 619 341 9368. 1994
Filtration& Separation
many and Japan not only capture the SOz but also reduce particulate to less than 0.15 lba/million BTU. This compares to emissions that average in excess of .08 lbs./million BTU in the United States. This higher level is caused by the lack of regulation on older coal-fired plants. In terms of absolute emissions the contrast is even greater. As the U.S. operates many more coal-fired plants than either of the other two countries, total annual emissions of particulates including toxic metals are 700,000 tons per year (tpy) compared to just 15,000 tpy in West Germany and 2,500 tpy in Japan. The U.S. Clean Air Act requires SOz reduction in the near term but toxics reductions later. Particulate reductions were not required. However the American Lung Association is suing EPA to require further particulate reductions. This could set off another round of regulations to address the older coal-fired plants. The McIlvaine Company, 2970 Maria Avenue, Northbrook, IL 60062, USA. Tel: + 1 708 272 0010, fw: + 1 708 272 9673.
Rare earth magnetic separator installed at salt processing plant Boxmag-Rapid has supplied a rare earth magnetic separator to RHM Foods’ salt processing plant in Middlewich, Cheshire. David Roberts, production engineer at RHM Foods, contacted Boxmag-Rapid when he was considering the installation of a new conveyor system. Boxmag-Rapid visited the plant and suggested that RHM foods installed one of their Supatrap rare earth magnetic separators.
The Supatrap consists of a chamber between two flanged connectors. The chamber contains a series of rare earth magnets which are bolted to a clamp-on cover plate. To ensure that no part of the plant would cause iron contaminat,ion in the finished product, the Supatrap was installed close to the packaging line. Boxmag-Rapid, Chester Street, Aston, Birmingham, B6 4AJ, UK Tel: + 44 21 359 5061, fm: + 44 21359 3501.
Contract for f&mecollection system Ervin Amasteel has awarded a contract to R.L. Flowers and Associates, Inc to design and supply all components for the elfZic arc furnace fume collection system for their new 30 ton eaf. The system consists of water cooled 4
fourth hole ductwork, roof monitor ventilation,and RLF flowaire reverse air clean baghouse. R.L. Flowers and Associates, Inc 2555 South Fourth Street, Louisville, KY 40208, USA. Tel: + 1
502 635 6245.
Pneumaticallyactuated filters for paint manufacturei Ivco Process Valves has supplied specially pneumatically actuated Airpel Self-Cleaning filter units to International Paints Ltd at Gateshead. The filters form part of the portable and fixed pumping stations which are used to transfer high specification marine paints from tanks into containers at the end of the paint making process. Airpel Self-Cleaning filters have integral cylindrical filtration elements which rotate against fixed scrapers during operation. The motion of the elements against the scrapers breaks down the thixotrophy of the paint to improve the flow and also acts as a final precaution for the removal of any unlikely impurities. International Paints and
Ivco designed an actuation solution utilising standard Norbro quarter-turn pneumatic actuators operating Maga rachet assemblies to provide 360°C multiturn output to the filter elements. Control is provided by 007 switchboxes mounted directly on the actuators and fitted with pneumatic limit switches. These are connected to the same factory air supply which operates the adjacent diaphragm pumps, thus enabling the operating of pump and filter to be synchronised on each pumping station. Ivco Process Valves, The Industrial Valve Division of BSS (UK) Ltd, Fleet House, Lee Circle, Leicester LEl 399, UK. Tel: + 44 533 623232, fa: + 44 533 531343.
Elga wins pure water contract Elga Water Treatment Ltd, has won a contract from Procter & Gamble (Manufacturing) Ltd for the supply of a pharmaceutical grade water treatment system for the company’s County Tipperary, Ireland toiletries and cosmetics plant. Under the terms of the contract, which is valued at more than %30,000, Elga will
supply a Filtromat multimedia filter unit, a Filtromat organic scavenger and two of its Elgamat Duo Rapide pharmaceutical grade twin bed deionisers, together with membrane filters and a UV sterilising unit. Elga Ltd, High Street, Lane End, High Wycombe, Bucks. HP14 3JH, UK. Tel: +44 494 881393,
fa:
+ 44 494 881007.
Patent granted for bacterial removal The United States Filter Corporation has been granted a patent entitled ‘Bacteria Removal by Ceramic Microfiltration’ (patent number 5,242,595), dated 7 September 1993. A result of several years of niembrane development work, the patent describes the use of ‘double-layer’ Membralox membranes, known as Sterilox, for the production of sterile solutions. This capability greatly enhances US Filter’s ceramic membrane product line. The patent’s authors are James Morgart, James Wilson,Jeff Peters and F&mesh Bhave. Unlike disposable polymeric counterparts, the Sterilox ceramic membrane may be cleaned and sanitised with steam, acids, bases or chlorJanuary/February
ine, and is indefinitely reusable. Sterilox has undergone rigorous testing using the bacteria challenge protocol from the Health Industries Manufacturing Association (HIMA), and has satisfied all the applicable test requirements for providing sterile liquid. Sterilox ceramic membranes are used in the food and beverage industries for cold stabilisation of juices and other liquids. Applications in the pharmaceuticals area include the sterilisation of parenteral solutions, contact lens solutions, vaccines and drugs. US Filter Corporation, 73-710 FI-ed Waring Drive, Suite 222, Palm Desert, CA 92260, USA. Tel: + 1 619 340 0098, fa: + 1 619 341 9368. 1994
Filtration& Separation