5 Facts About the Blocking in the Zero Liquid Discharge
Q 1. Which parts are to be blocked easily for the ZLD evaporation solutions in the Pharmaceutical Effluent Treatment?
Complex composition, high COD content, deep chromaticity, and high salt content, are the typical characteristics of pharmaceutical wastewater.
The discharge section of the evaporation system is easy to block.
Q 2. What is the recommended form of evaporation in pharmaceutical wastewater?
Forced circulation evaporation system.
Q 3. Does the blocking easily in the forced circulation evaporation system?
No.
Because there are few feed dead corners in the circulation system of forced circulation evaporation system, and the flow rate of feed circulation is high.
Q 4. How about the easily blocking part
Discharge section: crystallizer – thickener – centrifuge section (pump / pipeline / valve).
Reason:
a. Most of the pipelines in this part are thin.
b. Slurry feed flows in the pipeline.
c. After the valve, the pipeline diameter will also be reduced, leading to the pipeline containing solid material being blocked.
Q 5. How to avoid the blocking?
Design the system with hot water flushing and disconnect the dismantling flange at the easy blockage point.
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