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Waste Concern Team8 邱奕翔 劉政諺
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Background
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Where
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Bangladesh 1002 / km2 Taiwan 632 / km2
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Dhaka almost 27777 /km2
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3 million people live in slums
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55 % people live below poverty line
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5800 tons solid waste per day
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Only 42% collected every day
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Pilot the idea
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It was very difficult to get people interested in working with waste or even giving us the space to set up a processing site.
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80 % people were not satisfied with DCC
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77 % households willing to pay Tk.15-60 per month
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Good demand at Dhaka and adjoining areas
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84.6 % farmer were not using organic manure
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Bangladesh is a deltaic country
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刺蝟原則 Waste has Value
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50 % above is disposed unsound and unfriendly way
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Large informal sector exists in Dhaka
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Decentralized Composting
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4R Reduction Reuse Recycling Recovery
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Labor intensive and less costly. Suite for waste stream, climate, social and economic. Collection of solid waste effectively. Reduce cost for the collection, transportation and disposal of waste. Enhance income and job opportunity.
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Technology
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Less capital intensive Sited near urban residential areas Minimum nuisance from odors and flies Environmentally safe product Well suited to Dhaka’s waste stream, climate and socio-economic condition.
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Indonesian Windrow
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40 days decomposition 15 days maturing
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500 kg of compost by 2 tons of solid waste
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Market
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Tk. 2.5 - 5 Tk. 7 - 8
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Finance
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in FULL capacity Tk. 1.77
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Others being sold between Tk.10 - 15
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Good bio-fertilizer Job opportunities Clean environment Save DCC money
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Partnerships
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Government land and infrastructure
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Technical advice Training
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Q & A
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Reference “Cash for Trash: Solving Dhaka’s Waste Problems”, Ashoka. Iftekhar Enayetullah, Maqsood Sinha, “Community Based Decentralized Composting: Experience of Waste Concern in Dhaka”. Zurbrugg, C., etl, “Decentralized Composting in Dhaka, Bangladesh Production of Compost and Its Marketing”, ISWA2002 Annual Congress.
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Thank you
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