Case Study: Grizzly Creek Hydraulic Mining Site Remediation Project - MYNO Carbon - Biochar Products
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19 Dec, 2024
 Case Study: Grizzly Creek Hydraulic Mining Site Remediation Project

Posted at 21:35h in Remediation Biochar: Research & Case Studies by

Case Study: Grizzly Creek Hydraulic Mining Site Remediation Project

Remediation of suspended solids and mercury

Sierra Fund used biochar to remediate the Grizzly Creek hydraulic mine site (CA) which has contributed significant sediment and mercury runoff to nearby streams. Wood-based biochar was applied to improve soil health and act as a passive filter for surface runoff.

Results:

Lab and field tests confirmed that wood-based biochar significantly reduced suspended sediment and dissolved mercury in the mine site runoff. The treatment not only enhanced water quality and downstream habitats but also sequestered carbon, benefiting the climate.

Image shows the mine surface runoff from a plot with and without biochar amended into the soil. The plot to the right was amended with biochar and shows a cleaner surface runoff.

Source: Monohan et al. 2022

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