What is the correct procedure for feeding spiral wound membranes for leachate? In parallel or in series?
1 answer
En série, les modules sont connectés de manière à ce que le flux sortant d'un module soit l'entrée du suivant. Cette configuration est avantageuse pour maximiser la récupération et la qualité du produit final, car elle permet une utilisation plus efficace de la pression appliquée, mais peut augmenter les risques de colmatage et de polarisation de concentration.
En parallèle, chaque module reçoit un flux d'alimentation identique, ce qui réduit le risque de colmatage et permet une maintenance plus aisée. Cette configuration est souvent privilégiée lorsque la qualité du lixiviat est variable ou si le débit doit être maximisé.
Le choix entre série et parallèle doit être basé sur une analyse technique détaillée, prenant en compte la composition chimique du lixiviat, le débit souhaité, et les spécifications des membranes utilisées. Des simulations et des tests pilotes sont recommandés pour optimiser la performance du système.
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