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Math

Course Pack: Chemical Math & Process Calculations

Calculating Concentration and Dose

Course Code: WWW-MAT-010
Old Course Code: 1003.2
Water/Wastewater/Dual: Dual
Course Pack: Chemical Math & Process Calculations
Course Time (mins): 30
State Approval ID:N/A
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Course Description

This course addresses the knowledge necessary to understand the amount of chemicals and the correct dose required to treat water and wastewater.

Learning Objectives

  1. Differentiate concentration, dose, and demand
  2. Compute feed rates for solution and neat chemicals
  3. Adjust dose for purity/assay and process changes
  4. Validate jar‑test results with dose calculations

Agenda

  1. Concentration units (mg/L, % w/w, % w/v)
  2. Dose vs. demand; solution strength calculations
  3. Feed rate computations and pump settings
  4. Purity/assay corrections and scaling
  5. Operational examples (coagulants, disinfectants)
  6. Practice set and QA checks

Target audience

Operators and OITs completing math series

Level

II, III

Learning material and method

Online on-demand

Assessment

Knowledge check and quiz (80% correct and above)

Instructor

John Hricko

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