Short, source-linked editorial notes for buyers who need to compare pulping equipment without turning a single number into a specification.
Every note starts from a processing boundary that a buyer can inspect: what enters the machine, what leaves it, and what evidence the trial should keep. Sources are linked in full, and no article turns a general reference into a guaranteed model rating.
A single recovery number cannot show whether seeds were damaged, useful pulp was thrown away, or the feed boundary changed between runs. A paired product-and-reject sample can.
Two-stage pulping can separate a coarse duty from a finer finishing duty. It also adds a transfer boundary, another screen and another cleaning task. The right choice follows the product brief, not the chamber count.