- product based circulation of materials
- 3 types of processes
- positive in green bins
- neutral in yellow bins
- negative in red bins:
- other
- just costs, no utility
- batteries
- system consist of 7 bins
- compost
- never stored
- organics from kitchen processed immediately
- green manure can be added
- for anaerobic composting
- used in soil production
- wooden fuel
- local reserve of wooden
- incineration in stove
- key product is heat
- ash is used for phitomining
- biochar
- cellulose
- any brown woody material
- bricks
- processes in grinder
- pack to bags
- any plastic
- colorful and glance paper
- glass
- clean glass only
- melted using induction oven
- metal
- clean metal only
- melted using induction oven
- other
- batteries
- everything which is toxic in previous processes
- should most likely be buried