Refining form, 2026. Thit Senstius. Pen on paper.
Refining: the process of purification of a physical material.
The term is usually used of a natural resource that is almost in a usable form, but which is more useful in its pure form.
The term is broad, and may include more drastic transformations.
Methods such as (1) being compressed until liquified or (2) extraction with a selective solvent that dissolves away either the substance of interest, or the unwanted impurities.
In some cases by an alteration of the contact time it is possible to alter the selectivity of the extraction.
Many solids can be refined in an impure material; the regular structure tends to favor the desired material and exclude other kinds of particles.
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