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Biodegradable waste includes any organic matter in waste which can be broken down into carbon dioxide, water, methane, compost, humus, and simple organic molecules by micro-organisms and other living things by composting, aerobic digestion, anaerobic digestion or similar processes. It mainly includes kitchen waste (spoiled food, trimmings ...
Biodegradation is the naturally-occurring breakdown of materials by microorganisms such as bacteria and fungi or other biological activity. [ 35 ] Composting is a human-driven process in which biodegradation occurs under a specific set of circumstances. [ 36 ] The predominant difference between the two is that one process is naturally-occurring ...
e. An art installation created with plastic bottles and other non-biodegradable waste. Waste (or wastes) are unwanted or unusable materials. Waste is any substance discarded after primary use, or is worthless, defective and of no use. A by-product, by contrast is a joint product of relatively minor economic value.
Plastic recycling is the processing of plastic waste into other products. [ 1 ][ 2 ][ 3 ] Recycling can reduce dependence on landfill, conserve resources and protect the environment from plastic pollution and greenhouse gas emissions. [ 4 ][ 5 ] Recycling rates lag behind those of other recoverable materials, such as aluminium, glass and paper.
Biomedical waste. Bulky waste. Business waste. Chemical waste. Clinical waste (see Biomedical waste) Coffee wastewater. Commercial waste. Composite waste. Construction and demolition waste (C&D waste)
Energy recovery from waste is the conversion of non-recyclable waste materials into usable heat, electricity, or fuel through a variety of processes, including combustion, gasification, pyrolyzation, anaerobic digestion, and landfill gas recovery. [51] This process is often called waste-to-energy.
Biogas captured from biodegradable green waste can be used as biofuel. Green waste can be composed of non-food crops , which decompose to produce cellulosic ethanol . It can also help reduce the necessity of petroleum gases, which produce large amounts of greenhouse gases , such as carbon dioxide , when burned.
This is an accepted version of this page This is the latest accepted revision, reviewed on 24 September 2024. Converting waste materials into new products This article is about recycling of waste materials. For recycling of waste energy, see Energy recycling. "Recycled" redirects here. For the album, see Recycled (Nektar album). The three chasing arrows of the universal recycling symbol ...