Webinars

January 29, 2025 | 10:00 AM Pacific / 1:00 PM Eastern

In this first webinar of our series titled “The Nuts and Bolts of Thermal Remediation,” we will introduce the fundamentals of thermal remediation, covering the key contaminant removal and destruction mechanisms as well as the primary thermal technologies available. We will explore the benefits and limitations of each technology in relation to site geology and hydrogeology, addressing conditions like above and below the water table, high permeability / high groundwater flow settings, fractured bedrock, and complex sites with mixed permeability layers.

We will also cover the three basic thermal treatment approaches: low (35 to 90°C), moderate (100°C), and high temperature (greater than 100°C), discussing their sweet spots, what contaminants can be treated with each, and why you would choose one over the others. The session will wrap up with a case study demonstrating how multiple thermal technologies were successfully combined to effectively treat a CVOC DNAPL site with both low and high groundwater flow conditions.

February 26, 2025 | 10:00 AM Pacific / 1:00 PM Eastern

In this second webinar of our series, “The Nuts and Bolts of Thermal Remediation,” we will take a deep dive into evaluating a site’s Conceptual Site Model (CSM) and selecting the optimal technologies and approach to achieve remedial objectives.

We will review the primary thermal technologies, detailing how each works, and discussing their advantages and limitations across a range of geologic and hydrogeologic conditions, including clay, silts, sands, gravels, bedrock, and varying groundwater flow.

Next, we will outline the key data from a site's CSM that determines technology selection, including:

• COC(s) chemical and physical properties
• Remediation goals
• Depth and volume of contamination
• Geology and groundwater flow
• Presence of underground structures or utilities
• Geotechnical considerations

Finally, we will explore how high resolution site characterization (HRSC) and precise source zone delineation can streamline your project, reduce costs, and ensure successful cleanup outcomes.

March 26, 2025 | 10:00 AM Pacific / 1:00 PM Eastern

In the third session of our webinar series titled “The Nuts and Bolts of Thermal Remediation,” we will review the details of the design of thermal remediation systems, following a thorough review of the Conceptual Site Model (CSM), and the selection of the appropriate technologies and approaches.

Thermal remediation expert, Steffen Griepke will guide us through designing the heating, extraction, and monitoring components of the system. He will also discuss the role of numerical modeling in ensuring effective heating across the treatment zone at all depths and locations as well as in predicting the operational timelines, utility requirements, and equipment sizing.

Some key insights from numerical modeling include estimating electrical power load, electricity consumption, vapor and liquid contaminant loading to the treatment equipment, liquid treatment and discharge rates, and vapor and liquid cooling loads.

We will cover the design of the wellfield components, including the thermal wells (TCH, ERH, SEE), extraction wells, and temperature and pressure monitoring points. This session will also specify which parameters to monitor and at what frequency. Lastly, we will discuss the importance of evaluating whether an insulated vapor cover is needed over the treatment area to ensure effective heating and successful remediation.

April 23, 2025 | 10:00 AM Pacific / 1:00 PM Eastern

Vapor and liquid extraction and treatment systems are essential components of in situ thermal remediation (ISTR). These maintain pneumatic and hydraulic control during all phases of heating to ensure that the contaminants of concern (COCs) are effectively captured and removed from the treatment zone and unwanted mobilization and spreading are prevented.

Once recovered, the COCs must be removed from the vapor and liquid streams for proper disposal. In this fourth webinar in our series titled “The Nuts and Bolts of Thermal Remediation,” we will look at how vapor and liquid extraction and treatment systems are designed.

Presenter Steffen Griepke will draw on his experience to cover:

• Choosing the right treatment technologies for specific COCs and mass levels.
• Special considerations for treating PFAS and 1,4-dioxane.
• The fundamental components of ISTR treatment systems.
• Selecting appropriate materials for vapor manifolds and treatment equipment.
• The role of the mass and energy balance in sizing equipment and in managing the cooling and heating loads.
• Effective strategies for handling non-aqueous phase liquid (NAPL) recovered from the treatment zone or condensed out in the vapor manifold and equipment.

May 28, 2025 | 10:00 AM Pacific / 1:00 PM Eastern

As the design of your thermal remediation project nears completion, it is time to start planning for system installation and construction. In the 5^th webinar of our six-part series, “The Nuts and Bolts of Thermal Remediation,” we will cover the key steps to ensure a successful wellfield installation and system construction program.

We will discuss what’s needed to prepare your site for safe and efficient drilling and well installation, including:

• Utility locating
• Clearing and abandonment
• Rig access and sequence planning
• Managing overhead utilities
• Drilling inside buildings
• Investigation Derived Waste (IDW) screening and handling
• Oversight and logging
• Opportunities to collect contaminant data and refine the site CSM during installation

Additionally, we will cover the essential aspects of installing the extraction and treatment systems, along with the power supply equipment. This includes materials and equipment off-loading and staging, determining equipment size and location, placing the power drop, primary transformer, and power distribution and control panels; and managing any site access challenges.

June 25, 2025 | 10:00 AM Pacific / 1:00 PM Eastern

Join us for the final session of our 6-part series, "The Nuts and Bolts of Thermal Remediation." In this session, we will cover the critical components for achieving successful thermal remediation operations:

• Startup Procedures: Best practices for initiating your thermal remediation project.
• Operational Tasks: Key insights into monitoring, controlling, and troubleshooting heating, extraction, and treatment systems.
• Data-Driven Decisions: How to leverage data collection, processing, and visualization to optimize system performance.
• Defining Success: The importance of setting clear project objectives and using KPIs to measure success.

Don't miss this opportunity to elevate your thermal remediation expertise and wrap up our comprehensive series with practical strategies and knowledge!