Disposed is a jet mill that has a cylindrical pulverization chamber (10) and a classification chamber (6) that connects to the pulverization chamber (10). A fine-powder discharge port (4a) and a classification rotor (7) are provided in the classification chamber (6). A feedstock supply port (5) and at least one gas emission nozzle (11) are provided in the pulverization chamber (10). The shape of the classification chamber (6) is a cone that starts on the inner wall of the pulverization chamber (10), and is angled towards the classification rotor (7). This configuration gives the jet mill high efficiency of pulverization and reduces the amount of powders left in the chamber when the jet mill has finished running.

In a process for the direct recycling of electrode scrap which is yielded as production waste in the production of lithium-ion batteries, a process is to be provided which makes it possible to recycle electrode scrap from LIB production by mechanical stress without adversely changing the active materials so that it can be fed back into production. This is achieved in that the mechanical stressing of the electrode scrap includes pre-crushing the electrode scrap into bulk material and mechanical stressing of the pre-crushed electrode scrap in a conditioned atmosphere in a fluidised bed opposed jet mill.

A gas jet sieve trichome separation assembly is employed in use to separate trichomes from source plant material, such as separating kief from cannabis source plant material. The gas jet sieve trichome separation assembly, as well as an associated method of its operation, serves to separate and collect trichomes in a manner that has proven more effective and efficient than past techniques, and in a manner that facilitates enhanced automation and that is intended for larger scale production capabilities. Per various implementations, the gas jet sieve trichome separation assembly has a housing, one or more sieves, one or more rotatable arms, one or more actuators, a vacuum source, and a cyclonic separator.