CONTENTS Nov-Dec 2002
IN THE NEWS
Australia commits to improve steel can recycling Ö Awareness on recycling grows in packaging industry Ö Bugs to aid disposal of plastics in the Philippines Ö Largest garbage treatment project in China Ö China to recycle shredder residue Ö Finding gold in electronic garbage Ö Sewage sludge studies point to serious health risks Ö Korea to recycle plastic containers Ö Singapore to use reclaimed wastewater
INVENTIONS/NEW PRODUCTS
Refuse compactor Ö Environment-friendly alternative to plastic Ö Waste management software Ö Bioremediation accelerator
R&D IDEAS
Higher decomposition of dioxin in flue gas Ö Fuel from coal and timber waste Ö Acid-base behaviour in hydrothermal waste processing Ö Sunlight to clean up pollutants Ö Recycled wastewater for crop production Ö Microbe to help in TCA clean-up Ö Recycling solvent vapour Ö Bioremediation solution for PCBs
WASTE RECYCLING
Advanced plastics recycling system Ö Chemicals extraction from saline waste streams Ö Recovering valuables from scrap tyres Ö In-line process for recycling acid Ö Recycling post-consumer PET containers Ö New agro-industrial recycling technology Ö Recycling metal wastes
WASTE TREATMENT
Bran filters carcinogens from wastewater Ö Biofilm process for wastewater treatment Ö Unique technology to purify wastewater Ö Pre-assembled wastewater aeration system Ö Innovative groundwater purification system Ö More biogas, less sludge Ö Ozonation for sludge treatment
WASTE DISPOSAL/UTILIZATION
Unleaded screen disposal Ö Energy-efficient incineration stoker Ö Fuel gas from scrap tyres Ö Plasma gasification Ö Molten salt oxidation process Ö Fuel pellets from cotton trash Ö New wet oxidation method for sludge Ö Pyrolysis process for safe tyre disposal Ö New disposal system for biomedical waste Ö Acid digestion of organic wastes Ö Polymer-modified bitumen for waterproofing Ö Conversion of scrap tyres
AIR POLLUTION CONTROL
Electrostatic flue-gas precipitator Ö Drum scrubber Ö Dust collector Ö Dry emergency scrubber Ö NOx removal/recovery process Ö Thermal oxidisers Ö Equipment for air pollution control
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