The Most Important Chemical You've Never Thought About
From Energy 101: We Ask The Dumb Questions So You Don't Have To by collide.
April 13, 2026 · 39 min · Episode 70
About this episode
Roxanna Delima discusses the critical role of chlorine in manufacturing and how Rushnu is innovating the industry.
Chlorine is in your pipes, your microchips, your drinking water and somehow nobody talks about it. Roxanna Delima, Co-founder and CBO at Rushnu, breaks down why this overlooked chemical is critical to US manufacturing and how her team is flipping the script on a 100 year old industry by using heat instead of electricity and turning waste carbon into actual product. No government subsidy dependence, no gigaton fantasies, just hard tech with a real business model. Click here to watch a video of this episode. Join the conversation shaping the future of energy. Collide is the community where oil & gas professionals connect, share insights, and solve real-world problems together. No noise. No fluff. Just the discussions that move our industry forward. Apply today at collide.io Click here to view the episode transcript. 0:00 Intro and background on Roxanna 2:05 What is Rushnu and the chlorine industry 4:22 The product and why chlorine matters 6:36 How traditional chlor alkali works and its problems 8:01 Rushnu's thermochemical approach 9:30 How costs are cut by 60% 11:32 Pilot site at Silicon Valley Clean Water 14:06 Texas connections and TotalEnergies partnership 15:58 Carbon…
People in this episode
Guest: Roxanna Delima
Topics covered
- chlorine
- manufacturing
- sustainability
- carbon capture
- hard tech
Keywords
- chlorine
- Rushnu
- manufacturing
- carbon capture
- thermochemical approach
- Silicon Valley Clean Water
- TotalEnergies
Mentioned in this episode
Organizations: Rushnu, Silicon Valley Clean Water, TotalEnergies, Chlorine Institute
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