Evaluating the suitability of granular anammox biomass for nitrogen removal from vegetable tannery wastewater Supplementary Material Figure S.1 Current configuration in the tannery wastewater treatment plant managed by Consorzio Cuoiodepur S.p.A. (San Miniato, PISA, IT). Figure S.2 Possible configurations for innovative treatment trains of tannery wastewater, integrating Carbon, Sulphur and Nitrogen cycles.