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Enhancing Button Battery Collection in Japan for Mercury Treatment

Update on the progress of the Button Battery Collection Committee in Japan for proper treatment of mercury waste. The Battery Association of Japan introduced a voluntary scheme in 2009 to collect spent button batteries. The collection outlets, including DIY and grocery stores, increased significantly. The new scheme replaced the old one, resulting in 1.8 times more collections. Sampling research showed a higher ratio of mercury-free batteries in grocery and DIY shops. The overall mercury-free ratio doubled from the previous year. Proper disposal and treatment of mercury waste were ensured, with no batteries ending up in landfills. The results from FY2010 and the transition to the new scheme indicate a positive trend towards increased collection of button batteries for responsible recycling.

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Enhancing Button Battery Collection in Japan for Mercury Treatment

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  1. UpdateofButtonBatteryCollectioninJapanforProperTreatmentofMercuryUpdateofButtonBatteryCollectioninJapanforProperTreatmentofMercury HirokiKunugimoto ChairmanofButtonBatteryCollectionCommittee BatteryAssociationofJapan TWGMeeting,Jun.16,2011

  2. VoluntarySchemeofButtonBatteryCollectionbyBAJ (Startedin2009) BatteryAssociation ofJapan(BAJ) Consumers FlowofSpentProducts ReceiveSpentButtonBatteriesfrom Consumers RegisterviaInternetorFAX FlowofOtherGoods Secretariat (Button Battery Collection Center) ParticipatingCompanies(BAJMembers) CollectionOutlets MoneyFlow Website, Call Center EntrustWasteDisposal (CooperativeShops) Entrustment FDK Sanyo Schick SII Sony Toshiba Panasonic Hitachi Varta Mitsubishi Siemens Starkey Nexcell InformationFlow CollectSpentButton Batteries(Wastein CollectionCans) Deliver CollectionCan EntrustTransportation Transportation Approvalby theMinisterof The Environment Sponsor InstructTransportation (Couriers) Report TransportSpentButton Batteries(Wastein CollectionCans) Reuse Entrust Disposal Mercury WasteDisposal Processing MaterialMaker SellValuables (Recycler) Report NothingLandfilled

  3. The Results of FY2010:CooperativeShopsby Category The number of collection outlets increasedby2,255upto10,492. InparticularDIYandgroceryshowedbiggrowth. 10,492 8,237 BigGrowth! TheNumberofCooperativeShops (CumulativeBasis)

  4. The Results of the First Year:CollectionbyShopCategory 65％ ofcollectedbuttonbatterieswerefromhearingaidrelatedshops. (Unit: kg)

  5. TransitionoftheWeightofCollectedButtonBatteries Thenewscheme(by BAJ)hasreplacedtheoldone(byeachmaker) withtheresult1.8timesasmuchasthefirstyear.Itispromisingthat in2011thetotalcollectionwillreachtherecordhigh. (kg) The OldScheme (1984-2008) Thenewschemestarted.

  6. SamplingResearch Weopened23cansselectedbyshopcategoryand districtstocheckasfollows; • Weight andnumber(quantity) • bybatterytype • BAJmember orothers • Mercuryfreeor • mercuryadded(SR) • ProductionCode Date:Feb.9-10,2011 Personnel:15perday ShopCategory:Electric,MassMerchandiser, DIY,Grocery

  7. SamplingResearch:MixtureRatiobyBattery Themixtureratiochangesdependingonthecategoryofshops. GroceryandDIYhaverelativelyhighratioofSRbattery.Theweighted averageshowsPRaccountsfor69%,LR22%,andSR9%. SamplingResearch TotalCollection Note:Themixtureratiooftotalcollectionisaweightedaveragebyusingthe resultsofsamplingresearch.

  8. SamplingResearch:MercuryFreeProgressinSR Onadisposalbasis,mercuryfreeratiodoubledfromlastyearupto16%. IttakesSRbatteriestwotofouryearstobecomewastes. BreakdownbytheProductionYear ofSRBatteriesintheCollectedCans MercuryFreeRatioofSRBatteries IntheCollectedCans

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