Passing the acid test: New, low-pH system recycles more carbon into valuable products par Frédéric PELASCINI | 6 Juin 2021 | Actualités Passing the acid test: New, low-pH system recycles more carbon into valuable products Engineering researchers have developed an electrochemical system that coverts a greater amount of CO2 into valuable products, such as ethylene and ethanol. These are used in everyday materials, from plastic to Lycra. ScienceDaily