The rotating sieves, trommel, are suitable for the processing, screening and separation of various materials & waste, such as  solid waste that has previously been shredded, municipal solid waste, mixed waste, compost materials, tree barks, wood - straw, sand - pebbles, stones, various rocks and many other materials.

It can be used to remove any impurities from the bio-waste stream during the pre-treatment stage but also for the final refining of the compost at the end of the composting process.