Municipal Solid Waste (MSW) Recycling

Municipal Solid Waste Grinding

Municipal Solid Waste (MSW) — more commonly known as trash or garbage—consists of everyday items we use and then throw away, such as product packaging, grass clippings, furniture, clothing, bottles, food scraps, newspapers, and batteries. This comes from our homes, schools, hospitals, businesses, etc.

Grinding MSW can be a dirty business but is often a part of long term plans for many landfills and municipalities to reduce MSW volume and fill rates, wear on machinery, and help material decompose faster.


Grind It Like A Peterson

Peterson horizontal grinders with the R+ package are an ideal tool for MSW reduction. R+ equipped Peterson horizontal grinders turn the rotor at a slower speed and have heavier duty internal components to handle the tramp metal often found in this application

Peterson horizontal grinders with the R+ package can reduce more MSW waste that typical slow speed shredders per hour.

An optional cross belt magnet is recommended for this application to remove the tramp metal from the ground material, and recycling that metal adds a secondary revenue stream.


Recommended Tooling

Grinding Bits

The Peterson Heavy-Duty 8-Pass Carbide Overlay Bit with rails provides the toughness and durability needed in the MSW application where irregular feed material is common. Eight passes of carbide protects the forging while the rails securely lock onto the holder minimizing the shock of side load impacts


When grinding MSW material at a waste facility, the goal is to reduce material to maximize landfill space through material compaction. A combination of 6” hex grates followed by 8” hex grates will achieve the high production required for this application.

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