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Cstr Volume

Calculates required CSTR volume for an isothermal constant-density first-order reaction. The template uses the CSTR design relationship tau = X/(k(1-X)) and V = Q tau, while reporting outlet concentration and outlet reaction rate.

inputs

4 fields

context

2 archetypes

engine

with-tool

outputs

4 scored fields

contract fields

Parameter Map

4 inputs to 4 scored outputs

  • volumetric_flow_m3_h

    float

    Volumetric feed flow rate

    0.1 to 5000m3/h

  • inlet_concentration_kmol_m3

    float

    Inlet concentration of limiting reactant

    0.01 to 20kmol/m3

  • required_conversion_pct

    float

    Required reactant conversion

    5 to 95%

  • rate_constant_h_inv

    float

    First-order reaction rate constant

    0.01 to 101/h
outlet_concentration_kmol_m3tol 0.03

Outlet concentration at required conversion

outlet_reaction_rate_kmol_m3_htol 0.03

First-order reaction rate at CSTR outlet

space_time_htol 0.03

Required reactor space time

required_volume_m3tol 0.03

Required CSTR volume

visibility contract

Difficulty Ladder

all_giveneasy

All parameters given for a small process CSTR

all fields visible
all_givenmedium

All parameters given across small and large first-order CSTRs

all fields visible
all_givenhard

All parameters given for larger stirred treatment reactor sizing

all fields visible

scenario bands

Archetype Atlas

small_process_reactor

2 contexts

Small liquid-phase process CSTR

volumetric_flow_m3_h1 to 50
inlet_concentration_kmol_m30.1 to 3
required_conversion_pct30 to 80
rate_constant_h_inv0.2 to 3

pilot-process-skid / batch-to-continuous-conversion

large_treatment_reactor

2 contexts

Large first-order stirred treatment reactor

volumetric_flow_m3_h50 to 2000
inlet_concentration_kmol_m30.02 to 1
required_conversion_pct40 to 90
rate_constant_h_inv0.05 to 1

industrial-wastewater-reactor / process-neutralisation-train

rendered task

Generation Preview

industrial-wastewater-reactor-large-treatment-reactor-preview

difficulty
hard
visibility
all_given
archetype
large_treatment_reactor
site context
industrial-wastewater-reactor
instruction excerptcstr-volume_calc.py

visible fields

  • volumetric_flow_m3_h50 to 2000 m3/h
  • inlet_concentration_kmol_m30.02 to 1 kmol/m3
  • required_conversion_pct40 to 90 %
  • rate_constant_h_inv0.05 to 1 1/h

withheld schema

outlet_concentration_kmol_m3outlet_reaction_rate_kmol_m3_hspace_time_hrequired_volume_m3
Large first-order stirred treatment reactor. industrial-wastewater-reactor. Required outputs: outlet_concentration_kmol_m3, outlet_reaction_rate_kmol_m3_h, space_time_h, required_volume_m3