(under the class definition) Processes including separating a solid by-product material by a disparate physical step.
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28, for a process in which a solid product of a thermolytic process is removed, treated and recycled.
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203, Distillation: Processes, Separatory,
47+, for a separatory distillation process including the step of separating solid material.
209, Classifying, Separating, and Assorting Solids, appropriate subclasses for a process or apparatus for separating or segregating solid material according to a physical characteristic. 210, Liquid Purification or Separation,
600+, for a process of separating a solid from a liquid, especially subclasses 702+ for an accretion or precipitation process; and subclasses 767+ for a skimming, settling or filtration process.
