Best Practices for Using and Storing Polyaluminum Chloride (PAC)
To ensure the optimal performance and longevity of Polyaluminum Chloride (PAC), adherence to proper usage and storage protocols is vital. NINGBO INNO PHARMCHEM CO.,LTD provides these best practices to help users maximize the benefits of our PAC products in their water treatment applications.
Usage Guidelines:
1. Jar Testing: Before full-scale application, it is crucial to conduct jar tests. This process helps determine the most effective PAC dosage for specific water conditions, considering factors like pH, turbidity, and temperature. Proper polyaluminum chloride dosage ensures efficient flocculation without over-treatment.
2. Preparation: PAC can be used in two primary ways: direct addition or preparation into a solution. Direct addition is suitable for some applications, but dissolving PAC in water (typically with gentle stirring) often leads to better dispersion and more uniform contact with contaminants. If preparing a solution, it's advisable to use it within 24 hours for maximum efficacy.
3. pH Control: PAC is most effective within a specific pH range, generally between 5 and 9, with optimal performance often seen around neutral pH (6.5-7.6). Adjusting the water's pH, if necessary, before or during PAC application can significantly enhance coagulation efficiency.
4. Mixing: Adequate mixing is essential to ensure the PAC is evenly distributed throughout the water to be treated. Mechanical stirring or aeration for 1-3 minutes at a moderate speed (10-35 r/min) helps form larger, more stable flocs.
5. Dosing Sequence: When used with other treatment chemicals, PAC should generally be added first as a coagulant, followed by coagulant aids if required. Ensure adequate contact time between the PAC and the water before it reaches filtration or sedimentation stages.
Storage Guidelines:
1. Sealed Storage: Store PAC in its original, tightly sealed containers. This prevents moisture absorption, which can lead to caking and reduce product effectiveness. Store in a cool, dry, and well-ventilated area.
2. Moisture Prevention: Avoid direct contact with the ground and protect from humidity. Using moisture-proof materials for isolation is recommended.
3. Temperature Control: Keep PAC away from direct sunlight and extreme temperatures. High temperatures can cause clumping, while extreme cold might lead to crystallization. Follow any specific temperature recommendations provided by NINGBO INNO PHARMCHEM CO.,LTD.
4. Compatibility: Store PAC separately from incompatible materials to prevent hazardous reactions.
5. Regular Inspection: Periodically check stored PAC for any signs of agglomeration or discoloration, and address any issues promptly. Regular quality testing can ensure its stable performance.
By following these guidelines, users can ensure the safe and effective use of polyaluminum chloride, achieving superior results in their water treatment processes. For any specific queries regarding the purchase of polyaluminum chloride or its application, NINGBO INNO PHARMCHEM CO.,LTD is your trusted partner.
Perspectives & Insights
Bio Analyst 88
“Preparation: PAC can be used in two primary ways: direct addition or preparation into a solution.”
Nano Seeker Pro
“Direct addition is suitable for some applications, but dissolving PAC in water (typically with gentle stirring) often leads to better dispersion and more uniform contact with contaminants.”
Data Reader 7
“If preparing a solution, it's advisable to use it within 24 hours for maximum efficacy.”