Robert Karas (Rowow)

@rowow
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Founder of Rowow LLC. Building SEM TECH, open source electrochemical recovery of precious metals and rare earths. Ion exchange membranes made from off the shelf materials for a few dollars instead of hundreds. Florida, USA.
Websitehttps://rowow.net
YouTubehttps://www.youtube.com/@Rowow
GitHubhttps://github.com/Rowow1/Open-sourced-off-the-shelf-ion-exchange-membrane
Cation exchange membrane recipe, start to finish, in 2 minutes of actual process time. 16-min video has the full walkthrough.
https://youtu.be/40wbNGVR3Xw
#chemistry #DIY
Cation Exchange Membrane: Cheap DIY Recipe in 2 Minutes of Process Time

YouTube
Commercial ion exchange membranes cost $200-2000 per m2. Here is a full build guide for one you can make at home for a few dollars. All open source.
https://youtu.be/c3tNXDlgE2M
#DIY #chemistry #opensource
DIY Low-Cost Ion Exchange Membrane: Full Build Guide & Open Source Dedication

YouTube
Steel without a blast furnace. Room temperature. Electrochemical iron reduction using ion exchange membranes. This is not a thought experiment, it works on the bench. 9-minute breakdown.
https://youtu.be/JaykfQRdGqE
#steel #cleantech
Electrochemical Green Steel at Room Temperature, No Blast Furnace

YouTube
Saltwater plus electricity can pull precious metals out of ore. No smelter. No cyanide. No 1500 C furnace. Here is the 15-minute walkthrough of how SEM TECH actually works.
https://youtu.be/UMI_ITPgirI
#mining #electrochemistry #cleantech
Saltwater + Electricity Can Extract Precious Metals (SEM TECH Explained)

YouTube