There are quite a few companies doing that, but the ones I've seen are for industrial waste streams. e.g. https://youtu.be/QbKA9uNgzYQ?t=41 https://youtu.be/Qb

There are quite a few companies doing that, but the ones I've seen are for industrial waste streams. e.g. https://youtu.be/QbKA9uNgzYQ?t=41 https://youtu.be/QbKA9uNgzYQ?t=41