04 / Acceptance and handover
Prove the result under a representative production condition
Challenge feed variation, recirculation and low-level states with representative product, verifying uniformity, protected vent, stable flow, residence limit, alarms, drainage and cleaning. Verify calibrated temperature, flow, pressure, timing and diversion under approved cases, then document residence distribution, fouling response, cleaning, energy recovery and product outcomes. Put the sample or test material, method, instrument, production state, duration, limit, witnesses, retained record and deviation authority in the protocol before testing begins. Requalify when a product, package, site, speed or connected system invalidates the accepted basis.