this video will show you how to make an object dissolving simulation animation in blender, please watch to the very end for full benefit.
In this example, we are using a simple particle system simulation in addition to a simple procedural shading setup to achieve the effect you are seeing at the beginning of the tutorial.
We've split this tutorial into two parts with this being the second one;
check out the first one here: • Making an Object Dissolving animation in B...