Dear Authors,
my first questions are about how to get the input material and how to
get rid of the output.

you wrote
>These programmes, however, have problems in obtaining a sufficient
>amount of clean organic wastes, because there is competition for this
>type of waste and source separation (e.g. by households) usually cannot
>be implemented easily.

1. Who are the competitors for the separated organic materials?

2. What are the problems in implementing a source separation system for
households?

Kind regards
Andreas Behnsen