Zhang, Xiaojuan Hydrothermal co-carbonization of sewage sludge and pinewood sawdust for nutrient-rich hydrochar production: Synergistic effects and products characterization. [electronic resource] - Journal of environmental management Oct 2017 - 52-62 p. digital Publication Type: Journal Article ISSN: 1095-8630 Standard No.: 10.1016/j.jenvman.2017.06.018 doi Subjects--Topical Terms: CarbonNitrogenPhosphorusSewageSpectroscopy, Fourier Transform Infrared