Circular industry in practice? A trip to the Bolesław Śmiały coal mine (PL)
https://www.teraz-srodowisko.pl/aktualnosci/GOZ-praktyka-wyjazd-studyjny-Zero-Brine-7639.html
September 2019, Teraz Środowisko
Article covers the second ZERO BRINE field visit to the Polish pilot focusing on recovering resources from coal mine wastewater.