International Recycling Network of Mobile Phone in Asia Region - … · International Recycling...
Transcript of International Recycling Network of Mobile Phone in Asia Region - … · International Recycling...
International Recycling Network of Mobile Phone in Asia Region
Metal Recovery from E-Waste, Poly- Metallic Material
October 31, 2006Masayuki Naka
DOWA ECO-SYSTEM CO., LTD.
Asia 3R ConferenceOct. 30 – Nov. 1, 2006
Tokyo, Japan
Constituents in E-Waste• Cadmium• Lead• Antimony• Arsenic• Mercury• Selenium• Fluorocarbons (CFCs, HCFCs & HFCs)• Brominated Flame Retardants
• Gold• Silver• Copper• Platinum
……..Etc.
0.003<0.011.4<0.010.020.3710017.22,300400MobilePhone
0.0230.0020.0110.0010.0030.4005011.32,400500SiliconAudio
0.014Tr.0.0010.0110.0010.0130.190306.9630100Video Cam.
<0.001
0.0010.005<0.001
0.0400.02045.6500170DigitalCamera
0.006<0.001
0.0080.0040.0040.14068.285040Tape Recorder
0.0100.0020.0030.0010.0020.18065.51,210130CD Player
<0.001
0.0020.022<0.001
0.0010.003108.71,400230MD Player
As%
Hg%
Cd%
Zn%
Se%
Bi%
Pb%
Pdppm
Cu%
Agppm
Auppm
Item
Metal Contents in Electronic Equipments
Potentiality of Nonferrous Metal Industry
• Complex contents in raw materials– Various elements (valuable metals and
impurities) in crude ore• Handling toxic substances in safety
– Valuable but toxic metals (ex. Pb、Cd)– Contents as impurities (ex. As)
Unique role in environmental management & recycling“The Anchor of Recycling” , “The Joint of Recycling Loop”Dowa’s Business Model: Integration between Metals Sector and Environmental Business Sector
Founded Incorporated Net sales: Net income Total assets
Main Businesses
DOWA’s Corporate Data
: September 18, 1884: March 11, 1937: JPY 316,388 million (as of FY2005): JPY 14,532 million (as of FY2005):JPY 309,315 million (as of end of FY2005)
Sales by Segment(Consolidated) FY 2005
Metal 40%
Eco19%
Heat11%
Elec33%
Others△3%
- Nonferrous Metals -Environmental Management and Recycling- Electronic Materials- Metal Processing- Heat Treatment
Waste ManagementSoil RemediationMetal Recycle, etc.
Personal ComputersPlasma TelevisionsMobile PhonesBatteries, Magnetic Recording Tapes, Automobiles, etc
Nonferrous MetalsNonferrous MetalsGold, Silver, Copper, Zinc, Platinum group metals, Gallium, Indium, etc.
Included in final Products
Overall Business Activities
Environmental Management & RecyclingEnvironmental Management & RecyclingDOWA ECO-SYSTEM CO., LTD.
Support of Sustainable Development through our Operations
DOWA METALTECH CO., LTD.
Metal ProcessingMetal Processing Heat treatment for automobile parts, Industrial furnace
Connector Materials,
Gallium LEDs, Silver Powder, Zinc Powder,
DOWA THERMOTECH CO., LTD
DOWA ELECTRONICS MATRIALS CO., LTD.
DOWA METALS &MINING CO., LTD.
Metal Recycling
Dismantle&
Shredding
Crushing&
Separation
PGM metalsPlatinumPalladiumRhodiumCatalyst
ASR
Automobile
Incinerator
Smelting
PC
Mobile Phone
Crushing & Separation Smelting
Dowa’s ActivitiesMarket
Gold
SilverCopperCircuit Board
TV Air conditioner
Refrigerator Washing Machine
Household Appliance
Copper Smelter
Fly Ash Collector
Cu Refining
Precious Metal Plant
Lead Refinery
Roaster
Leaching Plant
Purification
Zn Refining Hematite Process
Cd Refining
Rare Metal Plant
Zn Ga In GeCd
Acid Plant
Pb Au Ag
E-Waste
Cu-Concentrate (Ore).Zn-Concentrate (Ore).
Cu
Dismantling, Crushing, Incineration, etc.
H2SO4
Process Flow of Dowa’s Smelter/Refineries Complex
Acid Plant
H2SO4Bi Sb Se Te Pt Pd RhNiSn
Difference between Hydro-Metallurgy and Dowa’s Technology
Base Metals,Precious Metals & Rare Metals
Precious Metalsonly
Recoveries
Integrated Smelter/Refineries
Cyanidation,Amalgamation orAcid Leaching
Key Process
Dowa’s TechnologyHydro-Metallurgy
Dowa’s Overseas Activitiesin Metal Recycling
• China: Dowa Environmental Management Co., Ltd.– Recovering Precious Metals from E-Wastes
• USA: Nippon PGM America Inc.– Pre-treatment & Shipping Centre for Catalysts of ELV
• Singapore: Eco-system Japan Co., Ltd. Singapore– Collecting and Shipping Centre for E-Wastes
Pilot Project to Establish Scheme for Collectionand Movement of E-Waste from SE Asia to Japan
• Stage1 (FY2006)– Study on the pilot scheme with a fund of JPY10M contributed by
DOWA • Stage2 (FY2007)
– Implementation of the pilot scheme utilizing outcome of stage1
• Objective: – To establish collecting scheme of end of life mobile phones
generated in Malaysia, Singapore and Thailand through a collaboration of relevant authoroties
– To establish transboundary movement scheme of the mobile phones from those countries to Japan
– To investigate the possible application of those schemes to e-wastes other than mobile phones