# How to Calculate Slurry Percentage in Solids

Written by brian baer
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A slurry is a mixture of solids and liquids that has mixture properties different from pure fluids. Many industrial processes generate slurry to transport and transform solids into value-added intermediate chemicals or products. The per cent solids value indicates the mass fraction of solids in the slurry. A value of 25 per cent indicates that a quarter of the total mass of the slurry is solid material. This is important when designing equipment such as pumps, mixers and tanks.

Skill level:
Moderate

## Instructions

1. 1

Determine the mass of the liquid portion of the slurry. Assume 100 gallons of water and calculate the mass by using the density of water (3.78 Kilogram per gallon). Multiply the volume in gallons by the density: 100 x 8.33, or 378 Kilogram of water.

2. 2

Determine the mass of the solids to add in order to generate a slurry. Assume that 45.4 Kilogram of solid material is added to the liquid water.

3. 3

Determine the per cent solids in the slurry. Do this by dividing the solid's mass by the total mass of the solution and multiplying by 100. The total mass of the solution is 833 + 100, which equals 423 Kilogram. Dividing the solids by the total mass is 100/933 or 0.107. Multiply by 100 for 10.7 per cent solids.

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