Trilobe shape gamma‑alumina support/carrier advantages

Key Features:

Trilobe shape gamma-alumina supports/carriers serve as an optimized structural alternative to conventional spherical and cylindrical supports. Compared with spherical particles, the trilobe geometry provides 8%–15% higher external surface area per unit volume, effectively enhancing mass transfer efficiency in liquid-phase catalytic reactions. Meanwhile, it maintains a stable bed voidage of 40%–45%, ensuring uniform fluid distribution and lower pressure drop in fixed-bed reactors.

Recent industrial research indicates a growing trend toward complex irregular extruded profiles, such as quadrilobe shapes. These advanced geometries can increase external surface area by 30%–60% over standard cylindrical carriers, delivering superior diffusion performance and better tolerance for heavy feedstock contaminant deposition.