Downstream purification

The stirred, draft-tube-baffled, melt and continuous crystallizers — plus the inline FBRM/PVM probes that close the loop on them — that turn a purified API molecule into a defined polymorph with a target particle-size distribution, the unit operation on which bioavailability, purity and downstream filterability all depend.

High-speed centrifugal separators that stack conical discs to multiply settling area, clarifying fermentation broth and cell culture at 5,000–15,000 ×g with continuous automatic solids discharge — the primary harvest and clarification machine of bioprocessing, now extending into gamma-irradiated single-use bowls for small-batch and perfusion work.

Downstream purification converts crude bioreactor harvests into clinical-grade drug substance — chromatography (Protein A, IEX, HIC), tangential-flow filtration, and viral clearance together account for >50% of biomanufacturing CAPEX. The global DSP market exceeds $5B and grows at >8% CAGR driven by mAb and cell-gene therapy demand.