Fig. 3: The construction of the fixed-bed photoreactor.
From: Heterogeneous photoredox flow chemistry for the scalable organosynthesis of fine chemicals

a Photograph of the flow-continuous photoreactor. b Scheme of fixed-bed photoreactor filled with supported carbon nitrides for magnosalin production. c Commercial glass beads (left) and UCN-coated glass beads (right). d General process for UCN coating on the surface of glass beads.