Waste Aware Scotland

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Aerate: expose to the air.

Aerobic: uses oxygen.

Anaerobic: does not use oxygen.

Anaerobic digestion: the turning of organic waste into soil conditoner using the process of biodegration without oxygen.

Best Practical Environmental Option (BPEO): the most cost-effective and environmentally-friendly solution.

Biodegradable: can be broken down by a natural process of decompostition by bacteria and other microorganisms.

Biodegradable Municipal Waste (BMW): the portion of Municipal Solid Waste which can be broken down by bacteria and other microorganisms.

Compost: to turn organic waste into soil conditioner using the process of biodegration.

Energy from Waste (EfW): energy that is recovered by burning or otherwise treating waste.

Gasification: turning into gas; thermal treatment of waste to recover energy - the waste is heated to between 800 and 1400 degrees C, in the presence of oxygen.

Green waste: organic waste from the garden and vegetable waste, tea leaves, coffee grounds and egg shells.

Incineration: burning.

Inert waste: waste that is not active, that is, it does not decompose or otherwise change.

Landfill: the method of disposing of waste by burying it under the ground.

Leachate: water from a landfill site in which components of the waste have dissolved.

Materials Reclamation Facility (MRF): plant where materials are seperated and baled and then sent for recycling.

Methane: CH4 - a smelly gas that contributes to the greenhouse effect.

Municipal Solid Waste (MSW): solid waste that is collected by or on behalf of a Local Authority.

Non-inert waste: waste that is active, that is, it does change or decompose.

Organic waste: refuse that is biodegradable.

Polluter pays principle: principle by which one who produces pollution (including waste) is made responsible for it.

Pyrolysis: breakdown by heat; thermal treatment of waste to recover energy - the waste is heated to between 400 and 800 degrees C, in the absence of oxygen, and a mixture of gas, solid and liquid fuel is produced.

Recycling: breaking down something to make something new from the material.

Soil conditioner: a product that improves the condition of the soil.

Sustainable: a way of life, behaviour or practice that can be maintained indefinitely, i.e. without exhausting finite resources.

Sustainable development: development that can be maintained in the long term, that is without consuming or destroying finite resources.

Thermal treatment: treatment by heat - in terms of waste, this includes incineration, pyrolysis and gasification.

Waste hierarchy: Reduce, Reuse, Recycle - the order in which we should try to deal with waste before we dispose of it.

Waste minimization: the process of reducing the amount of waste that is disposed.



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