Extracts from various bulletins

    1. Ozone Layer Protection: Vol.4, No.54 Sept.-Oct. 2002
    2. Tech Monitor: Nov.-Dec.2002
    3.  Biotechnology (Vol.1 No.57 Sept. - Oct. 2002)

      Food Processing: Vol.3, No.55 Sept.-Oct.2002:

      Edible film for food:  Researchers at the University of Arkansas, the United States, have developed an edible film that prevents the growth of Listeria bacteria on ready-to-eat chicken and other pre-cooked foods.  Based on two proteins, zein and nisin, the edible film is harmless to humans but kills Listeria that can contaminate foods such as deli meats and hot dogs between the cooking and packaging stages.  Listeria can survive refrigeration and causes serious illness. 

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        Waste Technology: Vol.5, No.52 Sept.-Oct. 2002:

        New wood waste processing plant: Hammel Recyclingtechnik GmbH, Germany, is offering a two-stage stationary processing plant that can shred wood down to less than 40-60mm while metal particles are almost completely removed with the help of integrated ferrous and non-ferrous separating units.  Wood chips thus obtained can be utilized in thermal recycling or even as a secondary raw material in the woodworking industry.  Designed to shred high-volume and bulky wood such as construction and demolition timber, railway sleepers and pallets, the plant comprises a two-shaft pre-shredder Type 750 and a one-shaft secondary shredder type NZ-S 1000. Energy consumption of approximately 5 to 6 kWh/t for pre-shredding and 6-8 kWh/t for secondary shredding is considerably lower than in conventional systems. 

          The processing plant is also available in mobile and semi-mobile hook-lift versions.  Throughput of the complete plant, depending on the size of input material and end product, is 30-60 tph based on 90 per cent machine utilization.  Contact: Hammel Recyclingtechnik GmbH, Bad Salzungen, Germany. 

          E-mail: infor@hammel.de

          Website: www.hammel.de

          Website: www.recyclinginternational.com

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            Biotechnology (Vol. 1 No.57 Sept.-Oct. 2002)

            'Anti-cancer' tomato designed: In the United States, researchers at Purdue University have engineered a tomato strain that contains high levels of a chemical that may offer protection against cancer.  Tomatoes, even in their processed form, are considered to be beneficial to health.  This is because they contain various antioxidant chemicals, which may be able to prevent cell damage in the body.  One of these chemicals is called lycopene, a pigment that gives the fruit its traditional red colour.  To develop the lycopene-rich tomato, researchers inserted a yeast-derived gene into tomato plants.  This gene affects the production of chemicals that help build compounds like lycopene. 

              The new strain contains between 2-3.5 times more lycopene than average tomatoes.  Studies indicate that lycopene may be able to reduce the amount of so-called bad cholesterol and thus the risk of heart disease.  It could also be used to increase the phytonutrient content of other fruits and vegetables.

              Website: www.news.bbc.co.uk

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                        Ozone Layer Protection:Vol.4, No.54, Sept.-Oct. 2002:

                            Isobutane-based refrigerator:  Sanyo Electric Co., Japan, has launched a 3-door refrigerator, SR-H31C, that uses "isobutane gas" (R-600a) as the refrigerant.  H31C adopts cyclopentane, a foaming agent which has been used for heat insulation, and isobutane as refrigerant for cooling.  This latest model incorporates a newly developed compressor suitable for non-fluorocarbon refrigerant, high-efficiency cooling system, defrosting heater for non-fluorocarbon refrigerant adopting a safer cord heater and electric components that do not cause explosion by catching fire.  It adopts the same deodorizing function as its reputable predecessor 31A, in the form of catalytic system by installing the deodorizing catalyst in the chilled air passage.  Website: www.jam.co.jp

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                             Tech Monitor:Nov.-Dec. 2002:
                            • Moulds and plastic injection-moulded products (China)
                            • Silicon-potash fertilizer (China)
                            • Fibreglass mat separators for batteries (China)
                            • Casting equipment and technology for lead and tin alloys (Germany)
                            • SHS production of MoSi2 powder (India)
                            • Disposable syringes (India)
                            • CT-operated motor protection relay (India)
                            • Computer-controlled automated irrigation system (India)
                            • Perfluorinated polyether grease (United Kingdom)
                            • Renewable wind/PV solar power (United States)
                            • Magnetics, UPS, inverters, etc. (India)
                            • Mining industry and special cylinders (India)
                            • Hydro-pneumatic accumulation and industrial filtration (India)
                            • Soyabean products (India)
                            • Modernization of stationery manufacturing (India)
                            • Refinery-based petrochemicals (India)
                            • UASB technology (India)
                            • Special grade medical and surgical disposable products (India)
                            • Leather board manufacturing line (Iran)
                            • Wax safety matches (Sri Lanka)
                            • Miscellaneous chemicals (Thailand)

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