Tag Archives: SEE

Thermal Treatment of Fractured Rock – How is it Different?

Fractured rock sites are different – often it is difficult even to determine how deep the Non-Aqueous Phase Liquid (NAPL) has gone, and to define what we refer to as the “source area”. Some sites have NAPL in the fractures, and some have most of the mass trapped in the matrix, into which it has diffused over decades. This blog post discusses the two main challenges: How to decide on the thermal treatment volume without making the problem worse. How to design and implement an effective and safe thermal system. For any aggressive source treatment to be cost-effective, it is … Continue reading

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Webinar: Thermal Remediation of LNAPL

In case you missed our last installment of “Inside In Situ Thermal Remediation”, TerraTherm’s new informational webinar series, you can find a recorded version here: The focus of this presentation was to provide an overview of thermal treatment options for LNAPL-contaminated sites, and will cover: Thermal remediation progress over the last 10 years, Similarities between In Situ Thermal Remediation (ISTR) and thermally enhanced oil recovery, LNAPL remediation case studies, and A large LNAPL spill case – using the energy in the recovered fuel to power remediation and obtain sustainable clean-up. TerraTherm uses all three main thermal technologies: Steam Enhanced Extraction, … Continue reading

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The High Value of Thermal Treatability Studies

Laboratory treatability studies are often one of the first logical steps when considering In Situ Thermal Remediation (ISTR) at a given site. In relation to the full-scale source remediation, treatability studies can be a wise and relatively low cost investment in a proof of concept. You might begin with a lab study if you have a unique mix of target compounds in the treatment area, or a challenging geological matrix. Or perhaps certain stakeholders need some extra “convincing” that ISTR will work at your site.  A study performed on actual site materials can quantitatively demonstrate the effectiveness of various thermal … Continue reading

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