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Use of renewable, biodegradable and compostable materials – when appropriate and do not cause contamination of the recycling stream [23] [24] [25] Avoid the use of materials toxic to humans or the environment; Effects on atmosphere/climate – ozone layer, greenhouse gases (carbon dioxide and methane), volatile organic compounds, etc.
Regarding composting, oxo-degradable plastics typically do not meet the requirements of international composting standards, as their degradation process is slower than required, and plastic fragments can remain in the compos, which has led to concerns about their compatibility with composting systems and their potential to affect compost quality.
Single-use plastic bag ban (including compostable) [375] [376] Deux-Montagnes: 2009: Plastic bag ban [377] Huntingdon: 2008: Plastic bag ban including bags used for newspapers and flyers [377] Montreal: 23 August 2016: 1 January 2018: Ban of plastic bags including biodegradable. Reusable bags must be at least 50 microns thickness. [378 ...
The material resembles domestic compost and can be used as such or to make low-grade building products, such as fibreboard. [ 129 ] [ 130 ] The solid digestate can also be used as feedstock for ethanol production.
The gas-phase dioxins can be substantially destroyed using catalysts, some of which can be present as part of the fabric filter bag structure. Modern municipal incinerator designs include a high-temperature zone, where the flue gas is sustained at a temperature above 850 °C (1,560 °F) for at least 2 seconds before it is cooled down.
Aspergillus fumigatus, a saprotroph widespread in nature, is typically found in soil and decaying organic matter, such as compost heaps, where it plays an essential role in carbon and nitrogen recycling. [1] Colonies of the fungus produce from conidiophores; thousands of minute grey-green conidia (2–3 μm) which readily become airborne.
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