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Scanning electron microscopy (SEM) images of dried lignin particles from different precipitation set-ups. Full-size images show particles after dispersion in Hexane and the small-scale pictures particles directly after centrifugation and drying; (a) batch with antisolvent pH 2; (b) T-fitting with antisolvent pH 2; static mixer with antisolvent pH 2 (c) and pH 5 (d).
