Food Waste: Is There A Better Solution Than Throwing Food In General Waste Bins?
Food waste: when we think about throwing away useful resources and the waste involved – we often think about food rubbish – i.e. throwing uneaten or passed sell by date food in to our general waste bins – where it ends up at landfill. If you are like me – throwing away food is something you never feel comfortable with. Obviously it will never be practical to divert all food waste from landfill – i.e. lots of food thrown away is not suitable for donation to charities etc. However – there are some simple steps that can help reduce food waste going to landfill. We will cover those in today’s blog.
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Food waste – are there viable solutions to reduce waste in landfill?
There are numerous charities that can help with providing food waste to needy people – for example SecondBite. However, if food waste is not suitable for provision to charity – other solutions may be needed. You should bear in mind that food waste tends to be very heavy and can increase the weight and hence collection price of your general waste collections service.
There are increasing options such as composters for both home and business use – whereby food waste can be turned into compost for growing vegetables etc – a nice circular economy approach. See cleanup.org.au for more detail on this topic.
There are also new facilities coming on stream for treatment of organic waste – such as Earthpower in Sydney metro. As per the facility website:
“The EarthPower facility uses anaerobic digestion technology to convert solid and liquid food waste, into a combustible gas similar to natural gas.”
“The digester gas is then recovered and used as a renewable fuel source in cogeneration engines to produce green electricity. This electricity is then sold to the grid for distribution to domestic, commercial and industrial clients.”
“A by-product of the anaerobic digestion process is a nutrient rich sludge, which is dried and granulated for sale as a fertilizer into the agriculture and horticultural markets. Waste heat from the cogeneration engines is used in the fertilizer drying process and to heat the digesters.”
“When compared to other food waste disposal processes, such as landfill and composting, the EarthPower facility achieves the highest environmental sustainable use of food waste and most favourable environmental outcomes by way of production of green energy, while also producing organic fertilizer for local agriculture businesses, reducing the need of synthetic fertilizers.”
You can check out other articles we have published on the topic such as green waste removal Melbourne.
For a great idea on how to use plastic bottles to light your building – see collecting rubbish.