###############################################################################
# WaterTAP Copyright (c) 2021, The Regents of the University of California,
# through Lawrence Berkeley National Laboratory, Oak Ridge National
# Laboratory, National Renewable Energy Laboratory, and National Energy
# Technology Laboratory (subject to receipt of any required approvals from
# the U.S. Dept. of Energy). All rights reserved.
#
# Please see the files COPYRIGHT.md and LICENSE.md for full copyright and license
# information, respectively. These files are also available online at the URL
# "https://github.com/watertap-org/watertap/"
#
###############################################################################
import pyomo.environ as pyo
from ..util import cost_membrane, register_costing_parameter_block
def build_nanofiltration_cost_param_block(blk):
blk.factor_membrane_replacement = pyo.Var(
initialize=0.2,
doc="Membrane replacement factor [fraction of membrane replaced/year]",
units=pyo.units.year**-1,
)
blk.membrane_cost = pyo.Var(
initialize=15,
doc="Membrane cost",
units=pyo.units.USD_2018 / (pyo.units.meter**2),
)
[docs]@register_costing_parameter_block(
build_rule=build_nanofiltration_cost_param_block,
parameter_block_name="nanofiltration",
)
def cost_nanofiltration(blk):
"""
Nanofiltration costing method
TODO: describe equations
"""
cost_membrane(
blk,
blk.costing_package.nanofiltration.membrane_cost,
blk.costing_package.nanofiltration.factor_membrane_replacement,
)