Process for separating synthetic turf product

摘要

A process for separating synthetic turf product comprising includes the consecutive steps of: (a) downsizing the synthetic turf product into a downsized turf material; (b) separating the downsized turf material by sieving into at least a first fraction substantially comprising a mixture of backing material and additional components and a second fraction substantially comprising grass fiber components; (c) separating the first fraction by specific gravity to provide a low density fraction and a high density fraction; (d) separating the second fraction by specific gravity and size by providing an airflow directed upwards in a separator configured to cause a swirling motion whereby a lighter fraction is entrained upwards in the air flow and a heavy fraction is allowed to fall downwards; and (e) collecting the low density fraction and the light fraction.

主权项

1. A process for separating a synthetic turf product comprising at least a backing material, a grass fiber component and additional components said process comprising at least the consecutive steps of
(a) downsizing the synthetic turf product into a downsized turf material; (b) separating the downsized turf material by sieving into at least a first fraction substantially comprising a mixture of the backing material and the additional components and a second fraction substantially comprising grass fiber components; (c) separating the first fraction obtained in step (b) by specific gravity using air to provide a low density fraction substantially comprising the backing material and a high density fraction substantially comprising the additional components; (d) separating the second fraction obtained in step (b) by specific gravity and size by providing an airflow directed upwards in a separator configured to cause a swirling motion whereby a lighter fraction is entrained upwards in the air flow and a heavy fraction is allowed to fall downwards; where the lighter fraction substantially comprises grass fiber components, and the heavy fraction substantially comprises a mixture of the backing material and additional components; and (e) collecting the low density fraction obtained in step (c) and the light fraction obtained in step (d).