Problem & answerB-03
Segregation After Discharge
Likely causes
- Large differences in particle size or density
- Over-blending causing de-mixing
- Long free-fall during discharge
- Vibration during transport
- Excessive handling or transfers
How to fix it
- 1Notify the supervisor and QA.
- 2Discharge slowly with a short drop into lined drums.
- 3Minimise transfers and vibration in transport.
- 4QA decides whether re-blending is permitted.
It is fixed when
Samples from start, middle and end of discharge are uniform.
Stop it coming back
- Validated blend time; gentle discharge and handling.
Did this solve the problem?