Insights
Notes from
the design office.
Short, specific pieces on the decisions that shape a plant: what belongs in a design package, how to choose a drying stage, why a scrubbing tower fails a stack test, how to specify a lining that lasts.
Articles4TopicsDesign · Process · Materials

What a process design package should contain
Most design packages are an equipment list and a layout.

Drum flaker or spray dryer: choosing the drying stage
The two routes to solid PAC differ in capital, energy, product form and scale — and in the capacity at which the answer flips.

HCl scrubbing: what the outlet limit actually requires
Why a tower that absorbs the gas perfectly can still fail a stack test — and what a three-stage absorber does that a packed column does not..

Lining a tank for hot hydrochloric acid
Rubber, vinyl-ester FRP or acid-resistant tile — what each one survives, where each one fails, and the three documents that tell you whether the job was done properly..