Swill or organic waste
Swill waste is basically all organic kitchen waste. Cooked and uncooked. If you have a kitchen where food is prepared, then you have swill waste. Think food scraps, fish and meat scraps, sauces, bread and dairy.
Separating Swill
Often swill ends up in the garbage. A shame, because it's easy to recycle and you can save a lot of money with a swill container. If you have a lot of organic waste, it is valuable to separate it.
Difference swill and GFT
GFT and swill waste look similar, yet there is a difference. GFT is Vegetable, Fruitand Garden Waste. This is mainly peelings or scraps from fruits and vegetables and, of course, garden waste. Swill is mainly organic waste from a commercial kitchen. Garden waste is not allowed in it.
In the GFT bin, heated food and leftover bones are also allowed, but mostly uncooked. A swill container, on the other hand, often contains a lot of heated food and also more meat and fish waste. This is also what the processing process is based on.
How is swill waste recycled?
Recycling swill is very sustainable. Organic waste is easy to process into new raw materials:
- Biogas
- Biodiesel
- Digestate (sustainable manure)
After collection, the organic waste is heated to kill the harmful bacteria and then ground into mush. This is followed by fermentation from which biogas is released.
Biogas
Biogas is a renewable energy source obtained from organic waste and consists, on average, of 60% methane and 35% carbon dioxide. It is a green fuel for machines and vehicles. With the use of biogas as fuel, the release of methane (strong greenhouse gas) is reduced.
Further drying and purification of biogas produces a green gas of the same quality as natural gas.
Biodiesel
After the fermentation of swill, vegetable and animal fats are released. From these, the biofuel biodiesel is produced. Biodiesel is biodegradable and combustion releases less sulfur oxide and carbon monoxide.
Digestate
Digestate is a biomass left over after fermenting swill. It has the same properties as compost and is therefore used in agriculture and horticulture.
What is allowed in it?
- Fruits and vegetables
- Dairy
- Sauces
- Cooked food scraps
- Meat leftovers (from preparation)
- Fish leftovers (from preparation)
- Egg shells
- Bread
- (Chicken) bones
- Leftover fat or gravy
What is not allowed in it?
- Coffee cups/pads/filters
- Tea bags
- Garden Waste
- Residual waste
- Paper/Carton
- Wood
- Stone
- Plastic
- Slaughter waste
- Frying fat
- Paper/Carton
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