Equipment and Processing Report-03-16-2011

Many facilities buy compressed gas tanks or evaporate liquid nitrogen to supply processes with dry, high-purity nitrogen. An in-house nitrogen generator, however, provides several significant benefits.

Growing interest in continuous drug manufacturing has brought greater attention to in-line blending, a process that the petroleum and fine-chemicals industries have used for decades.

We are making an emulsion using a high-shear in-line mixer. It?s a 60-gal batch, and it?s taking nearly an hour to get the results we?re looking for. We have tried changing the in-line mixer?s workheads to a two-stage configuration, but it doesn?t affect the mixing time. Where are we going wrong?

PharmTech's monthly newsletter, Equipment and Processing Report, reviews the Editor's Picks for the February 2011 edition from Emerson Process Management and Spirax Sarco.