Solid waste processing facility and process
OwnerThomas J. Wiensinventor
Life of this patent
Estimating the term…
Abstract
The present invention relates to a process and a facility for treating solid waste to recover recyclable materials and to form a compost from a biodegradable fraction within the solid waste. The process and facility lend themselves to efficiently recovering useful materials such as corrugated paper, ferrous metals, non-ferrous metals, plastic products, paper, and other redeemables such as glass containers. Various process steps are employed to recover these materials.
Claims23
A process for treating solid waste materials and forming a compost from a biodegradable waste material fraction, said process comprising:
- receiving untreated solid waste material at a receiving station;
- manually removing bulky valuables, non-processable materials and redeemable materials from said untreated waste material;
- said removing step including manually removing plastic and non-ferrous materials;
- magnetically separating a first ferrous metal fraction from said waste material;
- comminuting said waste material after separating out said first ferrous metal fraction;
- magnetically separating a second ferrous metal fraction from said comminuted waste material;
- pneumatically separating a paper fraction in a dry state from said comminuted waste material leaving a substantially biodegradable fraction;
- and
- forming a compost from said substantially biodegradable fraction.
A facility for treating solid waste materials and forming a compost from a biodegradable waste material fraction, said facility comprising:
- a first building in which said biodegradable waste material is separated from said solid waste materials;
- and
- said first building including at least one treatment line having a first station for receiving untreated solid waste material and for manually removing bulky valuables and non-processable materials from said untreated waste material, a second station for manually removing redeemable plastic and non-ferrous metal materials from said waste material, a third station having means for magnetically separating a first ferrous metal fraction from said waste material, means for comminuting said waste material after separating out said first ferrous metal fraction, means for magnetically separating a second ferrous metal fraction from said comminuted waste material, a fourth station having means for pneumatically separating a paper fraction from said comminuted waste material leaving a substantially biodegradable fraction, and means for transferring said substantially biodegradable fraction from said first building to a site whereat said compost is formed.
Dependencies are inferred from the claim text.