In Situ Chemical Reduction Treatability Studies

ISCR treatability studies are bench-scale laboratory tests that determine whether selected reduced metals can enhance remediation for a wide variety of compounds.

ISCR studies can help you answer these questions about your site: 

  • What are the optimal design loading rates for my project? 

  • How effective will specific reduced metals be at remediating compounds of concern at my site? 

  • What is the best particle size to use (granular versus micro or nanoscale) for my particular project? 

  • Is the use of bi-metallic particles (e.g., Mg-ZVI or Pd-ZVI) advisable?

  • Which emulsion formulations, sources, or vendors are best for my site? 

  • How are biological processes and reduced metals interacting at my site? 

In situ chemical reduction (ISCR) using reduced metals can enhance remediation for a wide variety of compounds in groundwater, soil, and sediment. SiREM conducts microcosm and column studies for reduced metals applications using granular, nanoscale, and microscale zerovalent iron (ZVI), sulfidated ZVI, zerovalent magnesium, zinc, and reduced iron minerals, like siderite. 

Customized Studies with Dependable Results 

SiREM’s experts conduct ISCR and reduced-metal treatability studies for various compounds of concern in small batch reactors, flow-through columns, and custom setups. Our technically challenging anaerobic studies are performed in anaerobic chambers to maintain the necessary redox conditions and prevent excess oxidation of the reduced metals.

ISCR column studies can be used to help determine the design thickness and expected effective operating period for permeable reactive barriers. All studies are replicated, controlled experiments that provide high data integrity and that are simple to interpret.

SiREM’s interpretative reports summarize data and place results in the context of a specific site to help clients select and optimize remedies.

ISCR studies can help you accomplish the following: 

  • Evaluate multiple amendments before choosing which to use in the field.  

  • Optimize treatment bed width for permeable reactive barriers. 

  • Evaluate redox changes along the length of the treatment bed. 

  • Implement onthefly changes in the lab to accurately represent site conditions and processes. 

  • Incrementally identify and manage risk from lab to pilot studies to treatment.  

  • Reassure stakeholders early on that ISCR is a feasible remedy. 

Ready to get started?

Contact us to investigate your treatability options. Together we can create custom remediation solutions for your site.