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Recycling codes on products. Recycling codes are used to identify the materials out of which the item is made, to facilitate easier recycling process.The presence on an item of a recycling code, a chasing arrows logo, or a resin code, is not an automatic indicator that a material is recyclable; it is an explanation of what the item is made of.
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.
In typical parlance, the word biodegradable is distinct in meaning from compostable.While biodegradable simply means an object is capable of being decomposed by bacteria or other living organisms, "compostable" in the plastic industry is defined as able to decompose in aerobic environments that are maintained under specific controlled temperature and humidity conditions.
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A kitchen compost bin is used to transport compostable items to an outdoor compost bin. There are process and product guidelines in Europe that date to the early 1980s (Germany, the Netherlands, Switzerland) and only more recently in the UK and the US.
A resident adds kitchen food scraps to yard debris in a roll cart as part of the community's source separated organics (SSO) program. Source-separated organics (SSO) is the system by which waste generators segregate compostable materials from other waste streams at the source for separate collection.
Biodegradable plastics are commonly used for disposable items, such as packaging, cutlery, and food service containers. [13] In principle, biodegradable plastics could replace many applications for conventional plastics. However, this entails a number of challenges. Many biodegradable plastics are designed to degrade in industrial composting ...
To confirm that the microorganisms being studied are attracted to a certain type of plastic, it is important that the synthetic plastic is the only source of carbon in the experimental compost or soil. [9] If there is a significant release of carbon dioxide, it means that the microorganism has successfully consumed the carbon in the plastic.