Coffee particles

Osmotic vs diffusive extraction

Osmotic vs diffusive extraction

The difference between osmotic and diffusive extraction in coffee brewing, and how these mechanisms explain solute movement from grounds into water.

Puck compressibility and porosity

Puck compressibility and porosity

How the compressibility and porosity of an espresso puck influence flow resistance, extraction uniformity, and cup quality.

Agglomeration and solubility

Agglomeration and solubility

How agglomeration improves instant coffee’s solubility, the science behind it, and why it matters for consumer experience.

Grind size effects on flow

Grind size effects on flow

How grind particle size influences water flow, extraction efficiency, and flavor balance in brewed coffee.

Agitation, turbulence, and channeling

Agitation, turbulence, and channeling

How movement of water through coffee grounds affects extraction uniformity, flavor, and potential defects.

Noise, dust, and worker safety

Noise, dust, and worker safety

Identify potential hazards in a roastery environment and implement effective safety measures for staff health and comfort.