Low concentrations of caustic soda (sodium hydroxide, NaOH) are more efficient than high doses for preparing organic waste for biogas production. This finding increases methane production, reduces reagent consumption and, consequently, diminishes process costs and minimizes the risk of inhibitin...
Source: [Phys.org](https://phys.org/news/2026-08-small-doses-caustic-soda-biogas.html)