Category: Chemical Process Calculation.

Multiple Reactions

It is often the case that additional (unwanted) reactions may occur in our reactor that either divert reactants to something…

Reactive Systems Review

Stoichiometric relations become important, for one! A->B(1 mole of B made from 1 mole of A)2B->C(it takes 2 moles of…

Limiting Reagents

When there is not enough of one reactant in a chemical reaction, the reaction stops abruptly. To figure out the…

BATCH DRYERS

The following are descriptions of various types of batch dryers. Tray dryers. This dryer type operates by passing hot air…

SOLIDS DRYING

Adjustment and control of moisture levels in solid materials through drying is a critical process in the manufacture of many…

Methods of crystallization

Crystallization is the oldest “unit operation” in a chemical engineering sense. For example, Sodium Chloride has been manufactured this way…

What is crystallization?

Crystallization is defined as a process by which a chemical is converted from a liquid solution into a solid crystalline…

The Chemical Reaction Equation and Stoichiometry

Solving Material Balance Problems for Single Units Without Reaction

Evaporation and Types of Evaporation Equipments

Objective: “To concentrate a dilute solution consisting of non volatile solute and volatile solvent”  Properties of evaporating liquids that influence the…

A general Strategy for Solving Material Balance Problems

Material Balance

Material balance involves calculations the quantities of all materials that enter and leave any system or process which are based…