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E Factor Calculator

Formula

The formula to calculate the E Factor is:

$E = \frac{M_w}{M_p}$

Where:

E is the E Factor (kg of waste/kg of product).
M_w is the mass of waste (kg).
M_p is the mass of product (kg).

What is an E Factor?

The E Factor, or Environmental Factor, is a metric used in green chemistry to quantify the environmental impact of chemical manufacturing processes. It is defined as the mass of waste generated per mass of product produced. A lower E Factor indicates a more environmentally friendly process with less waste. It is an important tool for assessing the sustainability of chemical processes and for driving improvements in process design.

Example Calculation

Let's consider an example:

Mass of Waste: 50 kg
Mass of Product: 200 kg

Using the formula to calculate the E Factor:

$E = \frac{50}{200} = 0.25$

This means that the E Factor for this scenario is 0.25.