def build(self):
super().build()
self._tech_type = "dmbr"
build_sido_reactive(self)
constant_intensity(self)
def build(self):
super().build()
self._tech_type = "mabr"
build_sido_reactive(self)
constant_intensity(self)
self.blower_size = Var(
units=pyunits.m**2,
bounds=(0, None),
doc="Sizing variable for blower size",
)
self._fixed_perf_vars.append(self.blower_size)
self._perf_var_dict["Blower Size (m^2)"] = self.blower_size
def build(self):
super().build()
self._tech_type = "mabr"
build_sido_reactive(self)
self.nitrogen_removal_rate = Var(
units=pyunits.g / pyunits.m**2 / pyunits.day,
bounds=(0, None),
doc="Nitrogen removal rate per day",
)
self._fixed_perf_vars.append(self.nitrogen_removal_rate)
self.reactor_area = Var(
units=pyunits.m**2,
bounds=(0, None),
doc="Sizing variable for effective reactor area",
)
@self.Constraint(
self.flowsheet().time,
doc="Constraint for effective reactor area",
)
def reactor_area_constraint(b, t):
return b.reactor_area == pyunits.convert(
b.properties_treated[t].flow_mass_comp["ammonium_as_nitrogen"]
/ b.nitrogen_removal_rate,
to_units=pyunits.m**2,
)
self._perf_var_dict["Reactor Area"] = self.reactor_area
self.air_flow_rate = Var(
self.flowsheet().config.time,
units=pyunits.m**3 / pyunits.hour / pyunits.m**2,
bounds=(0, None),
doc="Air flow rate per area",
)
self._fixed_perf_vars.append(self.air_flow_rate)
self.air_flow_vol = Var(
self.flowsheet().config.time,
units=pyunits.m**3 / pyunits.hour,
bounds=(0, None),
doc="Volumetric air flow rate",
)
@self.Constraint(
self.flowsheet().time,
doc="Constraint for air flow",
)
def air_flow_constraint(b, t):
return b.air_flow_vol[t] == pyunits.convert(
b.air_flow_rate[t] * b.reactor_area,
to_units=pyunits.m**3 / pyunits.hour,
)
self._perf_var_dict["Volumetric Air Flow Rate"] = self.air_flow_vol
self.electricity = Var(
self.flowsheet().time,
units=pyunits.kW,
bounds=(0, None),
doc="Electricity consumption of unit",
)
self._perf_var_dict["Electricity Demand"] = self.electricity
self.energy_electric_flow_vol_inlet = Var(
units=pyunits.kWh / pyunits.m**3,
doc="Electricity intensity with respect to inlet flowrate of unit",
)
@self.Constraint(
self.flowsheet().time,
doc="Constraint for electricity consumption based on air flowrate.",
)
def electricity_consumption(b, t):
return b.electricity[t] == (
b.energy_electric_flow_vol_inlet * pyunits.convert(
b.air_flow_vol[t], to_units=pyunits.m**3 / pyunits.hour))
self._fixed_perf_vars.append(self.energy_electric_flow_vol_inlet)
self._perf_var_dict[
"Electricity Intensity"] = self.energy_electric_flow_vol_inlet
def build(self):
super().build()
self._tech_type = "electrochemical_nutrient_removal"
build_sido_reactive(self)
self.electricity = Var(
self.flowsheet().time,
units=pyunits.kW,
bounds=(0, None),
doc="Electricity consumption of unit",
)
self._perf_var_dict["Electricity Demand"] = self.electricity
self.energy_electric_flow_mass = Var(
units=pyunits.kWh / pyunits.kg,
doc="Electricity intensity with respect to struvite byproduct flowrate of unit",
)
@self.Constraint(
self.flowsheet().time,
doc="Constraint for electricity consumption based on struvite flowrate.",
)
def electricity_consumption(b, t):
return b.electricity[t] == (
b.energy_electric_flow_mass
* pyunits.convert(
b.properties_byproduct[t].flow_mass_comp["struvite"],
to_units=pyunits.kg / pyunits.hour,
)
)
self._fixed_perf_vars.append(self.energy_electric_flow_mass)
self._perf_var_dict["Electricity Intensity"] = self.energy_electric_flow_mass
self.magnesium_chloride_dosage = Var(
units=pyunits.dimensionless,
bounds=(0, None),
doc="Dosage of magnesium chloride per struvite",
)
self._fixed_perf_vars.append(self.magnesium_chloride_dosage)
self._perf_var_dict[
"Dosage of magnesium chloride per struvite"
] = self.magnesium_chloride_dosage
self.MgCl2_flowrate = Var(
self.flowsheet().time,
units=pyunits.kg / pyunits.hr,
bounds=(0, None),
doc="Magnesium chloride flowrate",
)
self._perf_var_dict["Magnesium Chloride Demand"] = self.MgCl2_flowrate
@self.Constraint(
self.flowsheet().time,
doc="Constraint for magnesium chloride demand based on struvite flowrate.",
)
def MgCl2_demand(b, t):
return b.MgCl2_flowrate[t] == (
b.magnesium_chloride_dosage
* pyunits.convert(
b.properties_byproduct[t].flow_mass_comp["struvite"],
to_units=pyunits.kg / pyunits.hour,
)
)