Your Trusted Partner in
Thermal Remediation
TerraTherm partners with leading engineering firms, government agencies, corporations, and property owners in flexible, cooperative relationships to achieve cleanup goals.
Our experienced project teams and patented technologies are based on over 20 years of successful experience and R&D in the thermal remediation of soil, rock, and groundwater.
Your Trusted Partner in Thermal Remediation
TerraTherm partners with leading engineering firms, government agencies, corporations, and property owners in flexible, cooperative relationships to achieve cleanup goals.
Our experienced project teams and patented technologies are based on over 20 years of successful experience and R&D in the thermal remediation of soil, rock, and groundwater.
Think Thermal
TerraTherm treats a wide range of organic chemicals and some metals
Offering dynamic thermal remediation technologies
Providing more technologies than any other thermal remediation company allows us to customize the most advantageous and affordable environmental solutions to fit any site’s soil type, permeability, contaminants, and location.
Recent News from TerraTherm
Can You Combine In Situ Thermal Remediation with other Technologies? – 2023 Update
Addressing Complex Remediation Sites With the onset of improved treatment technologies and a better understanding of remediation processes, sites once considered too challenging or complex are becoming viable…
Steam Enhanced Extraction (SEE) – The Perfect Answer to Your Site with High Permeability and High Groundwater Flux
Does your site have high permeability and groundwater flux? Steam enhanced extraction may be the remediation solution for you.
Thermal Conduction Heating 201: Advanced Concepts of TCH
In this post, we expand upon an earlier blog and introduce some advanced thermal remediation concepts. Learn more today!
A Global Leader in Thermal Remediation
Steam was supplied at an injection rate of up to 14,000 lbs/hr and water from the wellfield was extracted at rates up to 35 gpm. After pre-treatment of the extracted liquids, the water was polished in an existing onsite groundwater treatment facility, prior to infiltration in an onsite infiltration system. The water utilized to generate the onsite steam was supplied as treated water from the groundwater treatment plant.
83 confirmatory soil samples were collected at the end of thermal operations for analysis. There were no detections of 1,1,1-TCA, benzene, cis-1,2,-DCE, TCE, ethylbenzene or PCE above the ROD standards of 4.0; 0.1; 2.0; 0.2; 20.0 and 0.5 mg/kg respectively and the 95% UCL for naphthalene was below the ROD cleanup level of 4.0 mg/kg.
Site soil and groundwater were impacted with a variety of VOCs and non-standard SVOCs. Thermal Conduction Heating (TCH) was used to treat a targeted zone from 3 to approximately 28 feet below ground surface.
The treatment volume at the Diaz Chemical Superfund Site was successfully heated to and held at both target treatment temperatures of 100° and 125°C. Heating times and energy use were within 6% of modeled projections and soil clean-up goals were reached in all TTZ confirmatory samples. The completion of the project helped establish a basis of design for a future full-scale thermal implementation.
TerraTherm deployed both Electrical Resistance Heating (ERH) and Steam Enhanced Extraction (SEE) to treat the heterogeneous subsurface lithology where some depth intervals were too tight for SEE and groundwater flow in other intervals too high for ERH. Once the source remediation was complete, clean water was pulled through the downgradient plume to enhance the effectiveness of the bioremediation approach.
All 100 soil confirmation samples collected from various locations and depths within the treatment zone met the thermal remediation goals (<10 mg/kg PCE) after 150 days of heating. Total contaminant mass removed from the site was 7,800 lbs (three times the original mass estimate).
For the thermal design, every heater boring was equipped with a co-located soil vapor extraction well, allowing for the best pneumatic connection to the bedrock fracture system. The concentration of TCE in these vapor streams from individual wells was used to gauge remedial completeness. Our Tier-One containerized treatment system was utilized to treat the contaminants.
TCE vapor concentrations at heater locations were decreased 99.98% during operation, while the concentrations at nested soil vapor probes located at the midpoint between heater borings decreased 99.9%.
Webinars & Events
TerraTherm provides the expert resources, advice, and designs you need to answer your questions and make the right decisions. We help you to determine which technology options are best for your site, design the optimal project to meet your goals, and find the most cost-effective solution. To sign up for one of our webinars to learn more about us, view our calendar of upcoming webinars and in-person events.