Single Mono Muncher Chosen to Replace Existing Grinders in the USA


A single TR Muncher from Mono has been selected for a sludge grinding application, which was previously performed by 3 grinders, supplied by another manufacturer. The 3 grinders were struggling to deliver the required performance and maintenance levels at a large waste water treatment plant in Rhode Island, New England.

Single Mono Muncher Chosen to Replace Existing Grinders in the USA

A single TR Muncher™ from Mono™ has been selected for a sludge grinding application at a large waste water treatment plant in Rhode Island, New England. (Image: Mono)

The CT203 Muncher installed in the Field Point plant’s Gravity Thickening Building is already delivering many benefits, including increased efficiency, simpler operating procedures and reduced maintenance requirements. “It has certainly simplified the operations at the plant,” says Bob Mack, of New England Environmental Equipment who installed the Muncher. “Having only one grinder and being able to repair it in-house, rather than shipping it offsite, reduces the maintenance time and helps keep the plant up and running.”

The Field Point plant processes up to 150 million gallons of waste water per day in dry weather, and more during rainy periods, so any equipment installed there must offer outstanding levels of reliability and performance. Designed specifically for the efficient maceration of abrasive sludges, the Mono Muncher is a twin shaft, slow speed, high torque grinder that macerate the solids within a flow, and it has been used successfully in a wide variety of waste water and industrial applications.

The twin shafts feature a series of interleaving cutters and spacers which create a positive displacement grinding action, with the differential cutter speeds pulling apart any fibrous material, cropping and shearing plastic items into small pieces and crushing any brittle material. A cantilever shaft design removes the need for bottom bearings and seals and so significantly reduces the number of wearing components, while the pull-back cutter stack allows removal without disturbing the pipeline.

A patented built-in trash trap set below the cutter stacks catches any rejected material and so prevents damage to the cutters, while clean-out ports allow the rejected object to be removed easily. The Muncher can be used for a wide variety of pump protection and other industrial duties, and the range includes pipeline or channel models, with optional high-flow side rails to increase capacity.

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