Indice
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Nome
|
Specificazione
|
|
Aspetto
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Perle sferiche opache da opalescenti a giallo chiaro
|
|
Polimero
|
Acrilico poliacrilico
|
|
Gruppo funzionale
|
-COOH
|
|
Forma ionica come spedita
|
H+
|
|
Capacità di scambio di peso
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≥10,80 mmol/g
|
|
Capacità di scambio di volume
|
≥4,40 mmol/ml
|
|
Densità reale (g/ml)
|
1,14-1,20 g/ml
|
|
Densità apparente (g/ml)
|
0,72-0,80 g/ml
|
|
Capacità di ritenzione idrica
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45%-52%
|
|
Gamma di dimensioni delle particelle
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0,45~1,25 mm≥95%
|
|
Coefficiente di uniformità
|
≤1,6
|
|
Conteggio totale delle perle (%)
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≥95%
|
Condizioni operative di riferimento
|
Temperatura massima di esercizio
|
100℃
|
|
Altezza di riempimento della resina
|
1~3 metri
|
|
Velocità operativa
|
2~10BV/h
|
|
Velocità di controlavaggio
|
4~10 BV/h
|
|
Velocità di rigenerazione (desorbimento)
|
1~2BV/h
|
|
agente di rigenerazione
|
2BV3~5% HCI, 2BV2~4% NaOH
|
Applicazione
Addolcimento dell'acqua
Riciclo dei rifiuti di zinco e nichel
La separazione e la purificazione dei farmaci biochimici
Precauzioni
La resina deve essere conservata allo stato umido. La temperatura ottimale è superiore a 0°C. La resina deve essere conservata in un luogo chiuso o aggiunta di acqua salata al 5% o superiore se non utilizzata per un lungo periodo. Deve essere utilizzata con antigelo durante il trasporto. Non posizionare oggetti pesanti sulla resina in caso di caduta.
Generalmente richiede un percorso di flusso alcalino-acqua-acido-acqua per l'elaborazione. I requisiti più severi richiedono tre cicli di circolazione prima di arrivare al canale ionico finale.
È necessario considerare diverse velocità di espansione della trasformazione per riservare abbastanza spazio per evitare traboccamenti di resina e garantire l'altezza appropriata del livello del liquido; il rapporto del diametro della colonna deve essere compreso in un intervallo ragionevole ed evitare correnti di polarizzazione; utilizzare una colonna riempita a umido o un lavaggio inverso per eliminare le bolle all'interno dello strato di resina.
Prima che il liquido entri nella colonna di resina, è necessario eseguire operazioni quali flocculazione, filtrazione o filtrazione su sabbia per evitare di ostruire i pori della resina con solidi sospesi.
La resina presente all'interno della colonna che non è stata utilizzata per lungo tempo deve essere conservata all'esterno della colonna dopo il lavaggio oppure aggiungendo acqua salata nel mezzo resistente al sale, mantenendo il livello del liquido non disidratato mediante il consueto controlavaggio per allentare la resina in caso di agglomerazione.
Resina a scambio cationico acido debole D113 FC
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