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iPAC Powder Activated Carbon

injectable Powder Activated Carbon

C.E.R.E.S. offers high quality and high surface area powder activated carbon (iPAC) for remediation application in soil and groundwater by adsorption of organic contaminants, PFOS /PFOA, and some heavy metals (e.g. Hg) or in combination with other chemical reductive and biotic reduction reagents. Adsorption can significantly retard contaminant migration and decrease dissolved phase concentrations in groundwater.

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Powder Activated Carbon (PAC)

Benefits Include

  • Highly adsorptive
  • Easy to inject
  • Effective in low permeability applications
  • Powder to granular forms available

Proven Field Applications

  • Applicable in soil piles and in-situ applications for groundwater treatment
  • Soil Remediation
  • Water purification
  • Wastewater treatment
  • Can be combined with Micro-nutrients to supplement bioremediation applications


Physical Properties

Form: Powder, less than 44 microns

Solubility in Water: Not soluble

Color: black

Material Composition

99% Purity depending on grade

Fine Powder to coarse grain size available

Highly reactive

Soil Remediation Applications:

Sequestration of organic compounds or heavy metals in impacted soil and groundwater Remediation is a remedial technology that has been employed for many decades around the world by highly specialized remediation engineers who understand the chemistry well and its application. High adsorptive capacity and high surface area Powder Activated Carbon is much more than a low cost adsorptive media when instituted with a well developed remedial strategy.

iPAC is very effective in low permeability formations when injected into silts and clays (Winner and Fox, 2016) or combined with sand proppant to improve hydraulic conductivity and preferential pathways for more rapid diffusion and effective capture of VOCs. Increasing adsorptive capacity within the formation with media, like iPAC, allows for natural adsorptive accumulation of contaminants and bacteria over time to facilitate the formation of active biofilm and enhanced biodegradation processes (Voice et al, 1992). The combined effects often result in synergistic processes that significantly reduce the time to reach remedial objectives. The coupling of adsorption and degradation reduces the potential for contaminant rebound that is frequently observed with conventional remediation technologies such as chemical oxidation or mechanical processes (e.g. pump and treat and dual phase extraction).

Changing the diffusive gradient:

The addition of sufficient iPAC into the target treatment zone of the aquifer, allows for rapid adsorption/sequestration of the contaminants of concern. This allows for reduced dissolved phase concentrations in the aquifer, verified by reducing trends in groundwater monitoring wells. The reduction in dissolved phase compounds, increases rates of diffusion of adsorbed phase contaminants into the aquifer, thereby reducing the overall time of remediation. It is imperative that a biotic or abiotic process is employed to complement iPAC to ensure destruction of target COCs occurs over time. iPAC decreases the high concentrations in soluble phases that may aid in reducing the lag time for biodegradation to escalate (Aktas, et al, 2012).


iPAC is ready to inject with guar or crosslink gels for hydraulic fracturing methods. It is commonly employed to support barrier applications to reduce or eliminate off-site transport of VOCs, to stabilize hot spots not otherwise economically addressed by other methods, and to complement plume remediation strategies.

iPAC is non-corrosive to underground structures or piping systems and non-toxic.

Technical design support, references, papers, and reliable customer service available to all customers.
Thank you for your interest in C.E.R.E.S. remediation products!