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Webinar Recording: PlumeStop Field Performance Review

Jeremy Birnstingl, Ph.D., Vice President of Environmental Technology at REGENESIS, presents the third webinar in a series about PlumeStop® Liquid Activated Carbon™, a new in situ groundwater remediation technology that reduces contaminant concentrations in days, and allows remediation professionals to reach stringent treatment goals faster and more effectively than ever thought possible. Whereas previous webinars presented overview of the technology’s functionality and studies from the lab and field, this presentation provides a field performance review from a large number of sites.

Learn More

  • For more information including a detailed white paper and technical bulletins on PlumeStop visit our PlumeStop page.
  • If you need assistance with a current project and would like to get a design and cost for the use of PlumeStop please visit our Request a Design page.
  • To get in contact with a Regenesis Technical Solutions Manager use our Contact Us form.

Video Transcription

Jeremy: Thank you, everybody, for signing into this webinar. This will provide a little bit less of the fundamental science that we’ve seen in the previous webinars, and more of an appreciation of how the technology is actually taking shape in the field, and the performance that we’re seeing to date.

To put this webinar in context, there have been earlier webinars that some of you may well have listened to and that are still available from our website or whatever. The first really dealt with the core concepts and the underpinning science. The second went deeper into factors such as the transport of the material through the soil, greater depth about the bioregeneration of the sort of capacity, and through some of the early case studies, etc.

This present webinar is going to provide just a short recap of the technology and the basics. But rather than give you 90% same again and 10% new material, this is going to be 10% of some of the basics, and then 90% new material.

I want to then go through some of the usage statistics and some of the aggregate field performance to date. This is now much more the bigger picture of what’s actually going on in the world with this technology, and how the technology is actually performing. I’m going to take this into some of the lessons that we’ve learned through this process, spend a few moments talking about the road ahead and what we see as coming next. Then I’ll trust there will be plenty of time for question and answer at the end.

So to crack straight on with this, a little bit of background and some basics of the technology. Let me start at the beginning. It was probably back in about 2007 that REGENESIS started to look at the use of particulate sorbents to find and bind dissolved contaminants in situ. So almost ten years ago.

But the first thing that we looked at was surfactant-modified zeolites, we looked at organo-clays, we looked at activated carbons, and we looked at a raft of other potential approaches. And the key thing that we found was this: activated carbon and other sorbent particulates do not disperse in the aquifer. Granular-activated carbon particles are about a millimeter in diameter; about 1,000 microns in diameter or thereabouts.

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