diff --git a/docs/technical_reference/costing/electroNP.rst b/docs/technical_reference/costing/electroNP.rst index 4a2fbfe0a1..c61b78f9b1 100644 --- a/docs/technical_reference/costing/electroNP.rst +++ b/docs/technical_reference/costing/electroNP.rst @@ -9,51 +9,51 @@ The following parameters are constructed for the unit on the FlowsheetCostingBlo .. csv-table:: :header: "Description", "Symbol", "Parameter Name", "Default Value", "Units" - "description", ":math:`Symbol_{example}`", "parameter_name", "1", ":math:`\text{dimensionless}`" + "Hydraulic retention time", ":math:`HRT`", "HRT", "1.3333", ":math:`\text{hr}`" + "Reactor sizing cost", ":math:`C_V`", "sizing_cost", "1000", ":math:`\text{USD}_{2020}\text{/m}^3`" + "Magnesium chloride cost", ":math:`C_{MgCl2}`", "magnesium_chloride_cost", "0.0786", ":math:`\text{USD}_{2020}\text{/kg}`" + "Phosphorus recovery value*", ":math:`C_{RP}`", "phosphorus_recovery_value", "-0.07", ":math:`\text{USD}_{2020}\text{/kg}`" + +\* Negative value represents revenue from recovering phosphorus Costing Method Variables ++++++++++++++++++++++++ -The following variables are constructed on the unit block (e.g., m.fs.unit.costing) when applying the `cost_electroNP` costing method in the ``watertap_costing_package``: +The following variables are used on the unit block (e.g., m.fs.unit.costing) when applying the `cost_electroNP` costing method in the ``watertap_costing_package``: .. csv-table:: - :header: "Description", "Symbol", "Variable Name", "Default Value", "Units" + :header: "Description", "Symbol", "Variable Name", "Index", "Units" - "description", ":math:`Symbol_{example}`", "variable_name", "1", ":math:`\text{dimensionless}`" + "Inlet volumetric flow rate", ":math:`Q_{in}`", "mixed_state[0].flow_vol", "[t]", ":math:`\text{m}^3\text{/hr}`" + "Byproduct phosphate mass flow rate", ":math:`Q_{byproduct, S_{PO4}}`", "byproduct_state[0].conc_mass_comp[0, S_PO4]", "[t]", ":math:`\text{kg/hr}`" + "Magnesium chloride flowrate", ":math:`Q_{MgCl2}`", "magnesium_chloride_dosage", "[t]", ":math:`\text{kg/hr}`" Capital Cost Calculations +++++++++++++++++++++++++ -Describe capital costs..keep it concise where possible +Capital cost depends on the unit's inlet flow rate, :math:`Q_{in}`, as shown in the equation below: .. math:: - C_{cap,tot} = C_{cap,example1}+C_{cap,example2}+C_{cap,other} - - .. math:: - - C_{cap,example1} = fill in equation for each component in total capex equation + C_{cap,tot} = HRT * Q_{in} * C_V Operating Cost Calculations +++++++++++++++++++++++++++ -Describe operating/maintenance costs..keep it concise where possible +Operating/maintenance costs consist of magnesium chloride usage cost and phosphorus recovery revenue: .. math:: - C_{op,tot} = C_{op,example1}+C_{op,example2}+C_{op,other} + C_{op,tot} = C_{op,MgCl2}+C_{op,RP} .. math:: - C_{op,example1} = fill in equation for each component in total opex equation + C_{op,MgCl2} = Q_{MgCl2} * C_{MgCl2} + C_{op,RP} = Q_{byproduct, S_{PO4}} * C_{RP} Code Documentation ------------------ -* :mod:`watertap.costing.unit_models.electroNP` - -References ----------- -Aim to include at least one reference in most cases, but delete this section if no references used for cost relationships/default values \ No newline at end of file +* :mod:`watertap.costing.unit_models.electroNP` \ No newline at end of file diff --git a/docs/technical_reference/costing/osmotically_assisted_reverse_osmosis.rst b/docs/technical_reference/costing/osmotically_assisted_reverse_osmosis.rst index ec5308f5e5..39591c57a2 100644 --- a/docs/technical_reference/costing/osmotically_assisted_reverse_osmosis.rst +++ b/docs/technical_reference/costing/osmotically_assisted_reverse_osmosis.rst @@ -9,44 +9,55 @@ The following parameters are constructed for the unit on the FlowsheetCostingBlo .. csv-table:: :header: "Description", "Symbol", "Parameter Name", "Default Value", "Units" - "description", ":math:`Symbol_{example}`", "parameter_name", "1", ":math:`\text{dimensionless}`" + "Membrane replacement factor", ":math:`f`", "factor_membrane_replacement", "0.15", ":math:`\text{dimensionless}`" + "Membrane cost", ":math:`C_A`", "membrane_cost", "30", ":math:`\text{USD}_{2018}\text{/m}^2`" + "High pressure membrane cost", ":math:`C_hA`", "high_pressure_membrane_cost", "50", ":math:`\text{USD}_{2018}\text{/m}^2`" Costing Method Variables ++++++++++++++++++++++++ -The following variables are constructed on the unit block (e.g., m.fs.unit.costing) when applying the `cost_osmotically_assisted_reverse_osmosis` costing method in the ``watertap_costing_package``: +The following variables are used on the unit block (e.g., m.fs.unit.costing) when applying the `cost_osmotically_assisted_reverse_osmosis` costing method in the ``watertap_costing_package``: .. csv-table:: - :header: "Description", "Symbol", "Variable Name", "Default Value", "Units" + :header: "Description", "Symbol", "Variable Name", "Index", "Units" - "description", ":math:`Symbol_{example}`", "variable_name", "1", ":math:`\text{dimensionless}`" + "Membrane area", ":math:`A`", "area", "None", ":math:`\text{m}^2`" Capital Cost Calculations +++++++++++++++++++++++++ -Describe capital costs..keep it concise where possible +There are two classes of OARO costing types (``standard`` and ``high_pressure``), the membrane cost is different with these two +methods and the default costing method is ``standard``. + +For ``standard`` type, the capital cost is defineds as: .. math:: - C_{cap,tot} = C_{cap,example1}+C_{cap,example2}+C_{cap,other} + C_{cap,tot} = C_A * A + +For ``high_pressure`` type, the capital cost is defineds as: .. math:: - C_{cap,example1} = fill in equation for each component in total capex equation + C_{cap,tot} = C_hA * A Operating Cost Calculations +++++++++++++++++++++++++++ -Describe operating/maintenance costs..keep it concise where possible +The fixed operating cost is correlated to OARO costing types (``standard`` and ``high_pressure``) and the default is ``standard``. + +For ``standard`` type, the capital cost is defineds as: .. math:: - C_{op,tot} = C_{op,example1}+C_{op,example2}+C_{op,other} + C_{op,tot} = f * C_A * A + +For ``high_pressure`` type, the capital cost is defineds as: .. math:: - C_{op,example1} = fill in equation for each component in total opex equation + C_{op,example1} = f * C_A * A Code Documentation @@ -56,4 +67,5 @@ Code Documentation References ---------- -Aim to include at least one reference in most cases, but delete this section if no references used for cost relationships/default values \ No newline at end of file +Bartholomew, T. V., Mey, L., Arena, J. T., Siefert, N. S., & Mauter, M. S. (2017). +Osmotically assisted reverse osmosis for high salinity brine treatment. Desalination, 421, 3-11. \ No newline at end of file diff --git a/docs/technical_reference/costing/uv_aop.rst b/docs/technical_reference/costing/uv_aop.rst index 77775a7503..85a89489b8 100644 --- a/docs/technical_reference/costing/uv_aop.rst +++ b/docs/technical_reference/costing/uv_aop.rst @@ -9,51 +9,46 @@ The following parameters are constructed for the unit on the FlowsheetCostingBlo .. csv-table:: :header: "Description", "Symbol", "Parameter Name", "Default Value", "Units" - "description", ":math:`Symbol_{example}`", "parameter_name", "1", ":math:`\text{dimensionless}`" + "UV replacement factor", ":math:`f`", "factor_lamp_replacement", "0.33278", ":math:`\text{dimensionless}`" + "UV reactor cost", ":math:`C_F`", "reactor_cost", "202.346", ":math:`\text{USD}_{2018}\text{/m}^3\text{/hr}`" + "UV lamps, sleeves, ballasts and sensors cost", ":math:`C_l`", "lamp_cost", "235.5", ":math:`\text{USD}_{2018}\text{/kW}`" Costing Method Variables ++++++++++++++++++++++++ -The following variables are constructed on the unit block (e.g., m.fs.unit.costing) when applying the `cost_uv_aop` costing method in the ``watertap_costing_package``: +The following variables are used on the unit block (e.g., m.fs.unit.costing) when applying the `cost_uv_aop` costing method in the ``watertap_costing_package``: .. csv-table:: - :header: "Description", "Symbol", "Variable Name", "Default Value", "Units" + :header: "Description", "Symbol", "Variable Name", "Index", "Units" - "description", ":math:`Symbol_{example}`", "variable_name", "1", ":math:`\text{dimensionless}`" + "Inlet volumetric flowrate", ":math:`F_{in}`", "flow_vol", "[t]", ":math:`\text{m}^3\text{/s}`" + "Electricity demand", ":math:`E`", "electricity_demand", "[t]", ":math:`\text{W}`" Capital Cost Calculations +++++++++++++++++++++++++ -Describe capital costs..keep it concise where possible +Capital cost is the sum of the unit reactor cost and lamp cost: .. math:: - C_{cap,tot} = C_{cap,example1}+C_{cap,example2}+C_{cap,other} + C_{cap,tot} = C_{cap,reactor}+C_{cap,lamp} .. math:: - C_{cap,example1} = fill in equation for each component in total capex equation + C_{cap,reactor} = C_F * F_{in} + C_{cap,lamp} = C_l * E Operating Cost Calculations +++++++++++++++++++++++++++ -Describe operating/maintenance costs..keep it concise where possible +Fixed operating cost depends on the electricity demand of lamps, :math:`E`, as shown in the equation below: .. math:: - C_{op,tot} = C_{op,example1}+C_{op,example2}+C_{op,other} + C_{op,tot} = f * C_l * E - .. math:: - - C_{op,example1} = fill in equation for each component in total opex equation - - Code Documentation ------------------ -* :mod:`watertap.costing.unit_models.uv_aop` - -References ----------- -Aim to include at least one reference in most cases, but delete this section if no references used for cost relationships/default values \ No newline at end of file +* :mod:`watertap.costing.unit_models.uv_aop` \ No newline at end of file