Case Study Four:

Sand and Gravel Operations

Issues and Challenges:

  • Wash water re-use
  • Environmental impact reduction
  • No residual negative effect on final product specifications


Approaches and Methods:

Biostar-CH liquid along with the Floc 500 treatment bags were used to treat the highly turbid sand and gravel wash-water.

The suspended solids in the wash-water settled out in a series of on-site holding basins allowing for the recirculation and re-use of the water resulting in reduced groundwater consumption and improved impact on the environment.

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