Sandton Capital, a private equity firm, led a $200m Series B financing round in Aymium, a producer of renewable biocarbon products, with participation from Steel Dynamics and Rio Tinto. “With this capital raise, Aymium has brought in a collection of strong global partners who are both leaders in their respective fields as well as leaders in the transition away from fossil fuels. This investment represents an important next step in the growth of Aymium as well as a clear validation of its products, technologies and management team,” Tom Wood, Sandton Capital Co-CIO.