Biochar synthesis from mineral and ash-rich waste biomass, part 2: characterization of biochar and co-pyrolysis mechanism for carbon sequestration oleh Rahul Ramesh Nair, Patrick A. Kißling, Alexander Marchanka, Jacek Lecinski, Ariel E. Turcios, Madina Shamsuyeva, Nishanthi Rajendiran, Sathish Ganesan, Shanmugham Venkatachalam Srinivasan, Jutta Papenbrock, Dirk Weichgrebe