. Author manuscript; available in PMC: 2019 Sep 18.

Published in final edited form as: ACS Sustain Chem Eng. 2018;6(5):6018–6031. doi: 10.1021/acssuschemeng.7b04657

Table 4:

Product value analysis. (Note that the break-even values reported here are for each product considered in isolation)

Product	Market Value (from Literature)	φ_I + φ_o	φ_I + φ_o	Break-even value (from model)	Units
Product		(5,000 AU, from data)	(10,000 AU, from data)		Units
Electricity	0.04	0.22	0.11	0.18	USD/kWh
Biogas	0.048	0.12	0.11	0.15	USD/scm
Biomethane	0.15	0.24	0.22	0.40	USD/scm
Liq. Biomethane	1.00	1.26	0.86	1.5	USD/gal
Cakel	15.0	64	60	70	USD/ton
Cake2	4.9	36	31	35	USD/ton
Cake3	12.5	80	71	78	USD/ton
Struvite	800	3457	2930	3300	USD/ton
Struvite + Solids	77.3	395	333	350	USD/ton