1 Introduction
2 From 3 to 10R
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R0 – Refuse refers to not wanting to have the product in the first place, e.g., not buying a product or refusing complimentary items such as shopping bags or packaging material.
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R1 – Reduce refers to using products less frequently or using them with more care, such that they can be used longer, e.g., using a car less frequently or sharing a car.
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R2 – Resell/reuse refers to the usage by a second, third, fourth, etc. customer using the product without any modifications.
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R3 – Repair refers to extending the lifetime of the product without making changes to its function. Next to unplanned repairs, this includes maintenance to extend the lifetime.
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R4 – Refurbish refers to replacing components of a product without completely disassembling it. Components may be replaced due to wear or to meet new requirements (e.g., upgrading the communication unit from 3 to 5G).
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R5 – Remanufacture refers to completely disassembling the product and checking, cleaning, repairing, or replacing components. Consider, for example, remanufactured toner cartridges. The returned empty cartridges are disassembled, and components are cleaned and evaluated. Some parts may be replaced, and the cartridge is refilled with new toner.
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R6 – Repurpose refers to the usage of a product for a different purpose than initially intended. This includes transforming glass bottles into drinking mugs and using car batteries to store solar energy in homes.
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R7 – Recycle materials refers to the reuse of the material without retaining the original structure or function. This may include shredding or melting. Often there is a degradation of quality compared to virgin (i.e., unused raw) material.
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R8 – Recover energy refers to capturing energy from waste or using by-products from production processes.
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R9 – Remine refers to scrapping valuable materials and items from landfills, e.g., extracting rare metals like chromium and vanadium from waste.