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THE CALCULATORS

Concentration by Evaporation Calculator

Calculates the concentrate and vapor mass flow rates, required heat duty, and Jakob number for a single‑effect evaporator based on feed conditions and operating parameters.

📖 Need the theory? Read the methodology, assumptions, and equations in the full reference guide.
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1. Define Input Parameters

2. Engineering Output

Concentrate mass flow rate (m_conc)
- kg/h
Vapor mass flow rate (m_vap)
- kg/h
Heat duty (Q_kW)
- kW
Jakob number (Ja)
- -

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Context & Assumptions

Evaporative concentration removes solvent to increase solute concentration, a common step in food, pharmaceutical and chemical processes. The calculator helps size the heat duty and verify nucleate‑boiling conditions for safe operation.

Understand the Engineering Principles

Review the step-by-step derivations, typical industrial limits, and scale-up rules.

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