Environmental Engineering Reference
In-Depth Information
Figure 6.2
Quantitative waste pyramid representing target ratios.
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Using more sustainable technologies, low-waste or wasteless green technolo-
gies, etc.;
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Reducing food waste by eating what is edible, producing as much as needed,
self-serving;
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Re-using products and materials in their original form in original or new function;
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Preparation for reuse;
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Checking, cleaning, repairing and refurbishing whole items or spare parts.
Recycling:
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Turning waste into a new substance or product, fostering the use of waste as
secondary raw material;
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Diversion of household waste from landfill by education and raising awareness;
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Reduction of biodegradable wastes sent to landfill;
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Composting if it meets quality protocols, development of composting, and other
biological treatment facilities;
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Recycling municipal solid waste;
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Reduction in methane emissions from landfill;
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Recycling of construction and demolition waste in full.
Other types of recovery of material and energy:
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Anaerobic digestion;
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Incineration with energy recovery;
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Gasification and pyrolysis which produce energy, fuels, heat, and power;
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Materials from waste;
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Backfilling.
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