mining

Benefits for Mining Rehabilitation

Biosolids have been recognised as a beneficial organic soil amendment that can improve the long term success of mine rehabilitation programs. Biosolids have been used in mine rehabilitation in the Hunter Valley for over 20 years to provide increased nutrients and better soil quality for more effective plant growth.

The benefit of using biosolids includes:

  • More effective rehabilitation program
  • Increased plant growth
  • Lower costs (seed, soil amendments)
  • Sustainable soil additive

The long-term storage of the top soil from mine operations can result in a decline in soil quality. Many mines also experience a shortage of suitable topsoil for rehabilitation works, therefore poor quality subsoil and/or mining spoil are often used for rehabilitation. Subsoil and spoil typically have limited value as plant growth media due to their poor structure, low levels of nutrients and organic matter and high sodicity or salinity. Biosolids can be used to create topsoil with properties suitable for the target vegetation community.

Loop Organics manages the use of biosolids for mine rehabilitation. This includes ensuring all legislative and regulatory requirements are in place and applying biosolids as per the relevant guidelines. We provide suitable biosolids for the application from local utilities, organise collection and transport to the site, and manage the storage and application of biosolids within the mine site. Biosolids are an economical solution to increase rehabilitation efficiency, lowering costs and providing a sustainable, long term solution.

Loop Organics staff has experience with the land application of Biosolids since 1994, including application of biosolids to mine sites in the Hunter Valley and conducting research into the benefits of biosolids in site rehabilitation.

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