So can you Expanded clay(€ 16.36 at Amazon *) dispose:
- residual waste: if it is a question of small proportions
- Rubble: for large quantities, e.g. incurred during renovation work
- compost: ideal for granules from our own hydroponics
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residual waste
Are normal household quantities Clay granules that you no longer want to use, you can dispose of the material in the residual waste bin provided for this purpose. This waste is then thermally recycled.
Rubble
Expanded clay is occasionally used as an insulating material, which offers protection against heat and noise and has a positive effect on the room climate. If expanded clay pellets are produced during renovation work on buildings, these residues can be disposed of as building rubble.
This includes mineral products that are not contaminated. The granulate is considered environmentally neutral and can be recycled without any problems. Cleaned clay balls serve as a basis for lightweight concrete or act as a binding element in cement. In road construction they provide a filler material.
costs
Many recycling centers accept small amounts of expanded clay up to 0.1 cubic meters (equivalent to 100 liters) free of charge. In Munich, a flat fee of 18 euros is charged for mineral waste up to 200 kilograms. This can be different in other regions and cities, so you should inquire beforehand at the recycling facility in your area.
Beware of contamination
It can happen that expanded clay does not appear as the only building material. Paints, varnishes and resins used in the construction industry can adhere to the beads. Then there is the risk that residues of chemicals have deposited in the pores. If in doubt, you should ask at the local recycling center.
compost
Although the clay granulate is not biodegradable, it can be mixed into the compost as a natural substrate without any problems. It remains in the soil and then creates a loose structure in beds. In addition, the beads increase the water storage capacity of the subsoil without promoting waterlogging.
Tips
Small amounts of expanded clay sticking to roots are not a problem in composting plants. You can therefore dispose of them in the organic waste bin without any problems.
