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Fig. 4 | Biotechnology for Biofuels and Bioproducts

Fig. 4

From: Identifying targets for increased biogas production through chemical and organic matter characterization of digestate from full-scale biogas plants: what remains and why?

Fig. 4

Residual methane potential in digestates from the last AD step, expressed in both A) NL/kg VS and B) NL/kg; FW = food waste, TD = thermophilic dry digestion, AW = plant-based agricultural waste, AWM = agricultural waste + manure, WWTP = wastewater treatment plant (A and B are two digesters at the same plant, see Table 2), N = normalized to 1 atm pressure and 273 K; plants marked with an asterisk (*) had post-digesters

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