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Chemical Dosing

Calculates treatment chemical feed requirements from process flow, target active dose, product strength, and product density. The template reports active chemical mass, commercial product mass, volumetric feed rate, and annual product consumption for water and wastewater dosing checks.

inputs

4 fields

context

2 archetypes

engine

with-tool

outputs

4 scored fields

contract fields

Parameter Map

4 inputs to 4 scored outputs

  • flow_rate_m3_d

    float

    Process flow rate

    10 to 1000000m3/d

  • target_dose_mg_l

    float

    Target active chemical dose

    0.1 to 500mg/L

  • product_strength_pct

    float

    Active chemical strength or purity of commercial product

    1 to 100%

  • product_density_kg_l

    float

    Commercial chemical product density

    0.7 to 2kg/L
active_mass_feed_kg_dtol 0.03

Active chemical mass feed rate

product_mass_feed_kg_dtol 0.03

Commercial product mass feed rate

volume_feed_l_dtol 0.03

Commercial product volume feed rate

annual_product_consumption_ttol 0.03

Annual commercial product consumption

visibility contract

Difficulty Ladder

all_giveneasy

All parameters given for low-dose disinfection

all fields visible
all_givenmedium

All parameters given across disinfection and coagulant dosing

all fields visible
all_givenhard

All parameters given for higher mass chemical feed rates

all fields visible

scenario bands

Archetype Atlas

disinfection_dose

2 contexts

Low-dose liquid chemical disinfection application

flow_rate_m3_d500 to 100000
target_dose_mg_l1 to 15
product_strength_pct8 to 15
product_density_kg_l1.05 to 1.25

water-treatment-disinfection / recycled-water-plant

coagulant_dose

2 contexts

Coagulant or alkalinity chemical dosing application

flow_rate_m3_d1000 to 500000
target_dose_mg_l10 to 120
product_strength_pct20 to 60
product_density_kg_l1.1 to 1.6

surface-water-treatment-plant / industrial-pretreatment

rendered task

Generation Preview

surface-water-treatment-plant-coagulant-dose-preview

difficulty
hard
visibility
all_given
archetype
coagulant_dose
site context
surface-water-treatment-plant
instruction excerptchemical-dosing_calc.py

visible fields

  • flow_rate_m3_d1000 to 500000 m3/d
  • target_dose_mg_l10 to 120 mg/L
  • product_strength_pct20 to 60 %
  • product_density_kg_l1.1 to 1.6 kg/L

withheld schema

active_mass_feed_kg_dproduct_mass_feed_kg_dvolume_feed_l_dannual_product_consumption_t
Coagulant or alkalinity chemical dosing application. surface-water-treatment-plant. Required outputs: active_mass_feed_kg_d, product_mass_feed_kg_d, volume_feed_l_d, annual_product_consumption_t