Class MercuryRemovalCostEstimate

java.lang.Object

neqsim.process.costestimation.UnitCostEstimateBaseClass

neqsim.process.costestimation.adsorber.MercuryRemovalCostEstimate

All Implemented Interfaces:

Serializable

public class MercuryRemovalCostEstimate
extends UnitCostEstimateBaseClass

Cost estimation for mercury removal guard beds.

Provides CAPEX and OPEX estimates for a fixed-bed mercury chemisorption unit, including:

• Pressure vessel fabrication cost (weight-based)
• Sorbent purchase cost (initial + replacement)
• Installation and commissioning
• Annual sorbent replacement OPEX

Version:

1.0

Author:

Even Solbraa

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private double	installationFactor	Installation factor (multiplier on purchased equipment cost).
private double	maintenanceFactor	Annual maintenance factor (fraction of CAPEX).
private static final long	serialVersionUID	Serialization version UID.
private double	sorbentUnitPrice	Sorbent unit price (USD / kg of sorbent).
private double	steelCostPerKg	Steel fabrication cost factor (USD / kg of fabricated steel).

Fields inherited from class UnitCostEstimateBaseClass

annualOperatingCost, bareModuleCost, costCalculator, equipmentType, grassRootsCost, installationManHours, mechanicalEquipment, purchasedEquipmentCost, totalModuleCost

Constructor Summary

Constructors

Constructor	Description
MercuryRemovalCostEstimate(MercuryRemovalMechanicalDesign mechanicalDesign)	Constructor for MercuryRemovalCostEstimate.

Method Summary

Modifier and Type	Method	Description
double	calcAnnualOperatingCost(double electricityCostPerKWh, double steamCostPerTonne, double coolingWaterCostPerM3, int operatingHoursPerYear)	Calculate annual operating cost.
protected double	calcPurchasedEquipmentCost()	Calculate purchased equipment cost.
double	getAnnualSorbentCost(double bedLifetimeYears)	Estimate annual sorbent replacement OPEX given a bed lifetime.
double	getInstallationFactor()	Get the installation factor.
double	getSorbentReplacementCost()	Calculate the sorbent replacement cost per change-out.
double	getSorbentUnitPrice()	Get the sorbent unit price.
double	getSteelCostPerKg()	Get the steel cost per kg.
double	getTotalCost()	Get total cost using simple weight-based method.
void	setInstallationFactor(double factor)	Set the installation factor.
void	setSorbentUnitPrice(double price)	Set the sorbent unit price.
void	setSteelCostPerKg(double cost)	Set the steel fabrication cost per kg.
String	toJson()	Export a JSON cost report.

Methods inherited from class UnitCostEstimateBaseClass

calculateCostEstimate, equals, generateBillOfMaterials, getBareModuleCost, getCostCalculator, getCostPerWeightUnit, getEquipmentType, getGrassRootsCost, getInstallationManHours, getMaterialFactor, getMaterialGrade, getPurchasedEquipmentCost, getTotalModuleCost, hashCode, setCostCalculator, setCostPerWeightUnit, setCurrentCepci, setEquipmentType, setLocationFactor, setMaterialOfConstruction, toCompactJson, toMap

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Field Details

serialVersionUID

private static final long serialVersionUID

Serialization version UID.

See Also:

• Constant Field Values

sorbentUnitPrice

private double sorbentUnitPrice

Sorbent unit price (USD / kg of sorbent). Typical PuraSpec ~15-30 USD/kg.

steelCostPerKg

private double steelCostPerKg

Steel fabrication cost factor (USD / kg of fabricated steel).

installationFactor

private double installationFactor

Installation factor (multiplier on purchased equipment cost).

maintenanceFactor

private double maintenanceFactor

Annual maintenance factor (fraction of CAPEX).

Constructor Details

MercuryRemovalCostEstimate

public MercuryRemovalCostEstimate(MercuryRemovalMechanicalDesign mechanicalDesign)

Constructor for MercuryRemovalCostEstimate.

Parameters:

mechanicalDesign - the mechanical design for the mercury removal bed

Method Details

calcPurchasedEquipmentCost

protected double calcPurchasedEquipmentCost()

Calculate purchased equipment cost.

Override this method in subclasses to provide equipment-specific cost correlations.

Overrides:

calcPurchasedEquipmentCost in class UnitCostEstimateBaseClass

Returns:

purchased equipment cost in USD

getTotalCost

public double getTotalCost()

Get total cost using simple weight-based method.

Overrides:

getTotalCost in class UnitCostEstimateBaseClass

Returns:

the total cost in USD

getSorbentReplacementCost

public double getSorbentReplacementCost()

Calculate the sorbent replacement cost per change-out.

Returns:

sorbent replacement cost in USD

getAnnualSorbentCost

public double getAnnualSorbentCost(double bedLifetimeYears)

Estimate annual sorbent replacement OPEX given a bed lifetime.

Parameters:

bedLifetimeYears - expected bed lifetime in years (typically 3-7 years)

Returns:

annual sorbent replacement cost in USD/year

calcAnnualOperatingCost

public double calcAnnualOperatingCost(double electricityCostPerKWh,
 double steamCostPerTonne,
 double coolingWaterCostPerM3,
 int operatingHoursPerYear)

Calculate annual operating cost.

Overrides:

calcAnnualOperatingCost in class UnitCostEstimateBaseClass

Parameters:

electricityCostPerKWh - electricity cost in $/kWh

steamCostPerTonne - steam cost in $/tonne

coolingWaterCostPerM3 - cooling water cost in $/m3

operatingHoursPerYear - annual operating hours

Returns:

annual operating cost in USD

toJson

public String toJson()

Export a JSON cost report.

Overrides:

toJson in class UnitCostEstimateBaseClass

Returns:

JSON string with cost breakdown

getSorbentUnitPrice

public double getSorbentUnitPrice()

Get the sorbent unit price.

Returns:

sorbent price in USD/kg

setSorbentUnitPrice

public void setSorbentUnitPrice(double price)

Set the sorbent unit price.

Parameters:

price - sorbent price in USD/kg (typical 15-30)

getSteelCostPerKg

public double getSteelCostPerKg()

Get the steel cost per kg.

Returns:

steel cost in USD/kg

setSteelCostPerKg

public void setSteelCostPerKg(double cost)

Set the steel fabrication cost per kg.

Parameters:

cost - steel cost in USD/kg

getInstallationFactor

public double getInstallationFactor()

Get the installation factor.

Returns:

installation factor (multiplier on PEC)

setInstallationFactor

public void setInstallationFactor(double factor)

Set the installation factor.

Parameters:

factor - installation factor (multiplier on PEC)