Table 1 An overview of the simulation scenarios for the reported results.

From: Model-Based Feasibility Assessment of Membrane Biofilm Reactor to Achieve Simultaneous Ammonium, Dissolved Methane, and Sulfide Removal from Anaerobic Digestion Liquor

Scenarios

Simulation conditions

Variable conditions

Scenario 0 Standard simulation

Main-Stream

SNH4 = 50 g N m−3

 

SCH4 = 50 g COD m−3

SS = 30 g S m−3

LIN = 0.0027 m d−1

LO2 = 0.52 g m−2 d−1

Lf = 300 μm

Side-Stream

SNH4 = 1000 g N m−3

 

SCH4 = 100 g COD m−3

SS = 30 g S m−3

LIN = 0.001 m d−1

LO2 = 3.65 g m−2 d−1

Lf = 750 μm

Scenario 1 Effect of LIN

Main-Stream

SNH4 = 50 g N m−3

LIN = 0.002–0.0063 m d−1

SCH4 = 50 g COD m−3

SS = 30 g S m−3

LO2 = 0.52 g m−2 d−1

Lf = 300 μm

Side-Stream

SNH4 = 1000 g N m−3

LIN = 0.0007–0.002 m d−1

SCH4 = 100 g COD m−3

SS = 30 g S m−3

LO2 = 3.65 g m−2 d−1

Lf = 750 μm

Scenario 2 Effect of LO2

Main-Stream

SNH4 = 50 g N m−3

LO2 = 0.28–0.8 g m−2 d−1

SCH4 = 50 g COD m−3

SS = 30 g S m−3

LIN = 0.0027 m d−1

Lf = 300 μm

Side-Stream

SNH4 = 1000 g N m−3

LO2 = 1–5.84 g m−2 d−1

SCH4 = 100 g COD m−3

SS = 30 g S m−3

LIN = 0.001 m d−1

Lf = 750 μm

Scenario 3 Combined effect of LIN and LO2

Main-Stream

SNH4 = 50 g N m−3

LIN = 0.002–0.0053 m d−1

SCH4 = 50 g COD m−3

HRT = 0.75–2 day

SS = 30 g S m−3

LO2 = 0.4–1 g m−2 d−1

Lf = 300 μm

 

Side-Stream

SNH4 = 1000 g N m−3

LIN = 0.0008–0.002 m d−1

SCH4 = 100 g COD m−3

HRT= 2–5 day

SS = 30 g S m−3

LO2 = 1–8 g m−2 d−1

Lf = 750 μm

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