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  2. Biodegradable waste - Wikipedia

    en.wikipedia.org/wiki/Biodegradable_waste

    Removing such waste from the rest of the waste stream substantially reduces waste volumes for disposal and also allows biodegradable waste to be composted. Biodegradable waste can be used for composting or a resource for heat, electricity and fuel by means of incineration or anaerobic digestion. [7] Swiss Kompogas and the Danish AIKAN process ...

  3. Biodegradation - Wikipedia

    en.wikipedia.org/wiki/Biodegradation

    First one places a solid waste sample in a container with microorganisms and soil, and then aerates the mixture. Over the course of several days, microorganisms digest the sample bit by bit and produce carbon dioxide – the resulting amount of CO 2 serves as an indicator of degradation. Biodegradability can also be measured by anaerobic ...

  4. Materials recovery facility - Wikipedia

    en.wikipedia.org/wiki/Materials_recovery_facility

    A materials recovery facility for the recycling of domestic waste Clean materials recovery facility recycling video. A materials recovery facility, materials reclamation facility, materials recycling facility or multi re-use facility (MRF, pronounced "murf") is a specialized waste sorting and recycling system [1] that receives, separates and prepares recyclable materials for marketing to end ...

  5. Waste characterisation - Wikipedia

    en.wikipedia.org/wiki/Waste_characterisation

    The biodegradable element of the waste stream is vitally important in the use of systems such as composting or anaerobic digestion. Waste characterization is a manual process carried beside waste management plants in a process that consists of taking 1 tone from a garbage truck, dividing the sample into 4 parts, mixing them, dividing again into ...

  6. Mechanical biological treatment - Wikipedia

    en.wikipedia.org/wiki/Mechanical_biological...

    MBT can alternatively process the waste to produce a high calorific fuel termed refuse derived fuel (RDF). RDF can be used in cement kilns or thermal combustion power plants and is generally made up from plastics and biodegradable organic waste. Systems which are configured to produce RDF include the Herhof and Ecodeco processes.

  7. Rotating biological contactor - Wikipedia

    en.wikipedia.org/wiki/Rotating_biological_contactor

    Most design of RBC systems will include a minimum of 4 or 5 modules in series to obtain nitrification of waste water. As the biofilm biomass changes from Carbon metabolizing to nitrifying, a visual colour change from grey/beige to brown can be seen which is illustrated by the adjacent photo.