Can Polyacrylamide And Polyaluminium Chloride Be Used Together?

       The two products most commonly used in the water purification industry are undoubtedly：Polyacrylamide and PolyAluminium Chloride。In the field of industrial wastewater treatment, sewage often contains numerous impurities and harmful substances, making water purification challenging. Frequently, employing a single chemical agent proves insufficient to achieve satisfactory purification results. In such instances, it becomes necessary to select two or more water treatment chemicals. This raises the question: can polyacrylamide and polyaluminium chloride be used concurrently? The answer is: yes. Both polyacrylamide (PAM) and polyaluminium chloride (PAC) function as inorganic flocculants in water purification. Their combined application yields superior results. However, it is crucial to note that incorrect dosing sequence or timing may produce adverse effects. Constant vigilance is therefore required to avoid wasting purification costs. Specific details are outlined below:

 

1. Dosage sequence: Incorrect sequence will prevent achieving the desired purification effect. The correct sequence is: first add polyaluminium chloride, then polyacrylamide. This is because PAC functions as a coagulant. When added to wastewater, it requires rapid dissolution. After introduction, thorough mixing is essential. Conversely, polyacrylamide acts as a flocculant. Excessively vigorous mixing during combined use may disrupt the flocculants formed within the wastewater. Should you remain uncertain, it is advisable to sample the wastewater and conduct laboratory jar tests to ascertain the optimal dosing sequence and chemical quantities. Crucially, never add polyacrylamide and polyaluminium chloride simultaneously, as this will inflate purification costs.

 

2. Time Interval: After adding polyaluminium chloride, allow sufficient time for complete dissolution before introducing polyacrylamide. Once polyaluminium chloride forms flocs in the wastewater, polyacrylamide can aggregate these smaller flocs into larger clusters, achieving superior purification results.

 

3. Variations in wastewater: Not all industrial effluents are suitable for simultaneous application of polyacrylamide and polyaluminium chloride. Therefore, it is advisable to conduct preliminary trials to confirm the compatibility of these two water treatment chemicals.
 

     Victor Water Treatment Materials is a specialist manufacturer of polyacrylamide and polyaluminium chloride. Offering competitive pricing and superior product quality, we uphold quality as our cornerstone for survival and integrity as our guiding principle in supply. Through consistently delivering premium products and dedicated service, we have earned the recognition and trust of our extensive clientele. New and existing customers are warmly invited to enquire by telephone and discuss collaboration opportunities.