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The Chopper Hopper, a combined solids reduction and transfer pumping unit, uses the latest in muncher technology to save energy and complete efficient transferring of biofuel.

The powerful all-in-one Chopper Hopper™ unit can homogenize objects such as whole fruits, vegetables, and meat products into a pumpable puree. Fierce cutting blades combined with second- and third-stage grinding shred solids as big as whole watermelons down to a particle size of less than 1 in. in a single pass. The design of this progressing cavity pump allows for low friction of the gear joint design, leading to less wear and better overall performance.

Chopper Hopper - Solids Reduction for Biogas Generation

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  • Faster process times due to a large surge capacity hopper and high flow rates
  • Available for coarse, medium, and fine particle sizes
  • Angled cutters for grabbing or tearing large objects, with additional cutters for further solids reduction
  • Available in carbon, stainless steel, or specialized materials of construction
  • Cutter shafts and pump internals are made to be easily disassembled, reducing downtime


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