ENVOREM, the UK-based technology business, has developed an innovative new Greentech that uses a little-known property of water to rapidly and inexpensively process oil production sludges.

Source: https://realnewsmagazine.net/envorem-develops-innovative-greentech-to-clean-oily-sludges/?utm_source=rss&utm_medium=rss&utm_campaign=envorem-develops-innovative-greentech-to-clean-oily-sludges

We have also successfully ramped up the Greentech Plant without a tailings dam, which means we have 62,000 tonnes of Triple Zero Green By-product, year-to-date 100,000 tons of Triple Zero Green By-products.

Source: https://seekingalpha.com/article/4652226-sigma-lithium-corporation-sgml-q3-2023-earnings-call-transcript?source=feed_all_articles