D113 FG-harts finns i en karboxylsyra-på-porstrukturen av akrylsampolymer (-cooh)-grupp - katjonbytarharts. Används huvudsakligen inom industriell vattenrening, särskilt för avlägsnande av bikarbonat, karbonat och andra alkaliska salter, kan även användas för återvinning av zink, nickelavfall, separation och rening av biokemiska läkemedel etc.
Används huvudsakligen för vattenrening av livsmedelskvalitet.
Index
|
Namn |
Specifikation |
|
Utseende |
Opalescerande till ljusgula ogenomskinliga sfäriska pärlor |
|
Polymer |
Akryl polyakryl |
|
Funktionell grupp |
-COOH |
|
Jonisk form som levererad |
H+ |
|
Viktväxlingskapacitet |
≥10,80 mmol/g |
|
Volymutbyteskapacitet |
≥4,0 mmol/ml |
|
Verklig densitet (g/ml) |
1,14–1,20 g/ml |
|
Skrymdensitet (g/ml) |
0,72–0,80 g/ml |
|
Vattenretentionskapacitet |
45%-55% |
|
Partikelstorleksintervall |
0,315~1,25 mm≥95% |
|
Uniformitetskoefficient |
≤1,6 |
|
Antal hela pärlor (%) |
≥95% |
|
Färgkast |
≤25 APHA |
Referensdriftsförhållanden
|
Maximal driftstemperatur |
100 ℃ |
|
Hartsfyllningshöjd |
1~3m |
|
Driftshastighet |
2~10 BV/h |
|
Backspolningshastighet |
4~10 BV/h |
|
Regenereringshastighet (desorptionshastighet) |
1~2BV/timme |
|
Regenereringsmedel |
2BV3~5% HCl, 2BV2~4% NaOH |
Ansökan
Vattenavhärdning
Återvinning av zink- och nickelavfall
Separation och rening av biokemiska läkemedel
Försiktighetsåtgärder
Hartset bör förvaras i vått tillstånd. Den bästa temperaturen är över 0 ℃. Hartset bör förvaras i ett slutet utrymme eller tillsättas saltvatten med 5 % eller mer om det inte används under en längre tid. Det bör vara frostskyddsmedel under transport. Placera inte tunga föremål på hartset ifall det skulle kollidera.
Kräver generellt alkaliskt, vatteniskt, surt och vattenflöde för bearbetning. Strikta krav på tre cirkulationer innan den slutliga jonbildningen uppnås.
Behov av att beakta olika transformations-expansionshastigheter för att avsätta tillräckligt utrymme för att förhindra överflöde av harts och säkerställa lämplig vätskenivåhöjd; Kolonndiameterförhållandet bör ligga inom ett rimligt intervall och förspänningsström bör undvikas; Använd våtpackad kolonn eller backspolning för att tvätta bort bubblor inuti hartslagret.
Innan vätskan passerar in i hartskolonnen bör åtgärder som flockulering, filtrering eller sandfiltrering vidtas så att hartsporerna inte blockeras med suspenderade fasta ämnen.
Harts inuti kolonnen som inte har använts på länge bör förvaras utanför kolonnen efter tvättning, eller efter tillsats av saltvatten i det saltbeständiga mediet samtidigt som vätskenivån inte uttorkas med vanlig backspolning för att lossa hartset vid agglomerering.
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