Пример #1
0
def kinetic_problem_with_h2o_hcl_caco3_mgco3_co2_calcite():
    """
    Build a kinetic problem with 1 kg of H2O, 1mmol of HCl which has calcite
    as a kinetic reaction
    """

    database = Database("supcrt98.xml")

    editor = ChemicalEditor(database)
    editor.addAqueousPhaseWithElementsOf("H2O HCl CaCO3 MgCO3")
    editor.addGaseousPhase(["H2O(g)", "CO2(g)"])
    editor.addMineralPhase("Calcite")

    calcite_reaction = editor.addMineralReaction("Calcite")
    calcite_reaction.setEquation("Calcite = Ca++ + CO3--")
    calcite_reaction.addMechanism("logk = -5.81 mol/(m2*s); Ea = 23.5 kJ/mol")
    calcite_reaction.addMechanism(
        "logk = -0.30 mol/(m2*s); Ea = 14.4 kJ/mol; a[H+] = 1.0")
    calcite_reaction.setSpecificSurfaceArea(10, "cm2/g")

    system = ChemicalSystem(editor)
    reactions = ReactionSystem(editor)

    partition = Partition(system)
    partition.setKineticPhases(["Calcite"])

    problem = EquilibriumProblem(system)
    problem.setPartition(partition)
    problem.add("H2O", 1, "kg")
    problem.add("HCl", 1, "mmol")

    return (problem, reactions, partition)
Пример #2
0
def kinect_problem_with_h2o_hcl_caco3_mgco3_co2_calcite():

    database = Database("supcrt98.xml")

    editor = ChemicalEditor(database)
    editor.addAqueousPhase("H2O HCl CaCO3 MgCO3")
    editor.addGaseousPhase(["H2O(g)", "CO2(g)"])
    editor.addMineralPhase("Calcite")

    calciteReaction = editor.addMineralReaction("Calcite")
    calciteReaction.setEquation("Calcite = Ca++ + CO3--")
    calciteReaction.addMechanism("logk = -5.81 mol/(m2*s); Ea = 23.5 kJ/mol")
    calciteReaction.addMechanism(
        "logk = -0.30 mol/(m2*s); Ea = 14.4 kJ/mol; a[H+] = 1.0"
    )
    calciteReaction.setSpecificSurfaceArea(10, "cm2/g")

    system = ChemicalSystem(editor)
    reactions = ReactionSystem(editor)

    partition = Partition(system)
    partition.setKineticPhases(["Calcite"])

    problem = EquilibriumProblem(system)
    problem.setPartition(partition)
    problem.add("H2O", 1, "kg")
    problem.add("HCl", 1, "mmol")

    state = equilibrate(problem)

    state.setSpeciesMass("Calcite", 100, "g")

    return (state, reactions, partition)