Polyacrylamide (PAM) ee luui ke ye flocculant në luɔɔi de filtration de plaque ku frame. Kä ye kek looi aye:
Flocculation: Ba kä puɔth ye kek tɔ̈ɔ̈u në pi ye kek tɔ̈ɔ̈u yiic ya tɔ̈ɔ̈u yiic.
Lɔ̈k kä ye kek gam: Floc structure ee kɛ̈ɛ̈l ye kɛ̈ɛ̈l ye kɛ̈ɛ̈l ye kɛ̈ɛ̈l ye kɛ̈ɛ̈l ye kɛ̈ɛ̈l ye kɛ̈ɛ̈l ye kɛ̈ɛ̈l
Ka̱m puɔth: Lɔ̈ɔ̈m de filtration cycle time ku juak de processing capacity per batch.
Ka̱m raan puɔ̱l: Ba kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye
Lɔ̈ɔ̈i cïï rot looi ee kë ye kɔc juëc cɔl filter press luɔɔi cïï rot looi. PAM ye cɔl Cationic (CPAM), Anionic (APAM), ku Non-ionic (NPAM). Selection A dhil be determined through Laboratory jar test, tɛ̈n yenë lööŋ ke "Lab Test → Pilot Test → Test-dɛ-dɛ-dɛ-dɛ-dɛ-dɛ-dɛ-dɛ-dɛ-dɛ-dɛ-dɛ-dɛ. "
Yen ee kë ye kɔc kuany. Kä ye kek tɔ̈ɔ̈u thïn aye kek tɔ̈ɔ̈u në tɛ̈n yenë kek tɔ̈ɔ̈u thïn.
Luɔ̈ɔ̈i | Karakteristika'a | PAM ye kɔɔr | Rationale |
---|---|---|---|
Organik Sludge | A cɔl negative charged, a cɔl highly hydrophilic, a cɔl difficult to dehydrate. Cïtmɛn, tɛ̈n yenë tɔ̈u thïn, tɛ̈n yenë tɔ̈u thïn, tɛ̈n yenë tɔ̈u thïn, tɛ̈n yenë tɔ̈u thïn | Kationik (CPAM) | Kä ye kek gam aye kä ye kek gam ye kek gam ye kek gam ye kek gam ye kek gam ye kek gam ye kek gam ye kek gam ye kek gam ye kek gam ye kek gam ye kek gam ye kek gam ye kek gam ye kek gam ye kek gam Kɔn ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k. |
Lɔɔr inorganik | A ye kɔc cɔl positively charged, a ye kɔc cɔl a gravity, a ye kɔc cɔl a gravity, a ye kɔc cɔl a gravity. Cïtmɛn, steel mill, electroplating, coal washing, kaolin slurry. | Anionik (APAM) | Anionic polymers aye luui në polymer ye kɔc cɔl polymer bridge ye kɔc cɔl inorganic particles ye kɔc cɔl inorganic particles ye kɔc cɔl inorganic particles ye kɔc cɔl inorganic particles ye kɔc cɔl inorganic particles Kä ye cɔl charge neutralization ee kä ye cɔl secondary mechanism. |
Neutral wala Mixed Sludge | Kä ye kek looi, kä ye kek looi wala kä ye kek looi. | Non-ionic (NPAM) ka CPAM/APAM nyaai | Kä cïï ionic ye kek tɔ̈ɔ̈u, ka cïï pH ye kek tɔ̈ɔ̈u në kä cïï kek ya cɔk ya cɔk ya cɔk ya cɔk ya cɔk ya cɔk ya cɔk ya cɔk ya cɔk ya c A lëu bɛ̈n ya looi në tɛ̈n yenë tɛ̈n yenë tɛ̈n yenë tɔ̈u thïn. |
Rule of Thumb:
Kä ye kɔc cɔl Municipal Wastewater Treatment Plants: Luɔ̈ɔ̈i de PAM katiyonik, tɛ̈n yenë yen Ionic kaam 40%-60%.
Lɔ̈ɔ̈m dɔ̈ɔ̈r dɔ̈ɔ̈r dɔ̈ɔ̈r dɔ̈ɔ̈r dɔ̈ɔ̈r dɔ̈ɔ̈r: A wïc ba tɛ̈n yenë tɛ̈n yenë tɛ̈n yenë tɛ̈n yenë tɛ̈n yenë tɛ̈n yenë tɛ̈n yenë tɛ̈
Mineral Processing, Coal Washing: Yïn aye luui Anionik PAM with very molekul bikki.
Ionicity (tënë CPAM/APAM):
A nyuɔɔth tɛ̈n yenë akutnhïïm ye tɔ̈u në polymer chain yic.
Prinsip: Sẽn kɩt tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n
Raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan: CPAM ionicity ee 20% agut cï 60%. Lɔ̈ɔ̈m de baai aye 40%-50% luɔ̈ɔ̈i. A ionicity dɔ̈ŋ alëu bï kä ye kek looi ya cɔk loi rot; kä thiin koor aye kä thiin koor ya cɔk loi rot.
Molekul Weight:
A tɔŋ polymer chain ye tɔ̈u. Molecular weight dɔ̈ŋ ee kɔc ye kɔc cɔl chain dɔ̈ŋ, ku kɔc ye kɔc cɔl bridge dɔ̈ŋ, ku kɔc ye kɔc cɔl flocks dɔ̈ŋ.
Prinsip: For filter pressƔok wïc tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈nye kɔc cɔl dense ku ye kɔc cɔl resistant to squeezing.
Raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan ye raan: Medium to high molecular weight (pek molekulɛr) ((8 - 18 million Daltons) aye kuany. MW dɔŋ (>20 million) alëu bï "cotton candy" dɔŋ dɔŋ looi, ku ka bɛ̈n ya cɔk tɛ̈n yenë kɔc ye cɔk tɛ̈n yenë kɔc ye cɔk tɛ̈n yenë kɔc ye c
A cïï rot looi, a cïï rot looi, a cïï rot looi, a cïï rot looi, a cïï rot looi, a cïï rot looi, a cïï rot looi.
Kä ye looi: Yïn aye 0.1% - 0.3% (ye cɔl, 1-3 kg PAM powder në ton de pïu tök). Kä ye kek tɔ̈ɔ̈u në filter presses alëu bïk ya juak apɛi në centrifuges ka DAF.
Waktu dɔ̈ɔ̈r: A wïc 40-60 minit bï yïn cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk. Lɔ̈ɔ̈m dɛ̈t adhil bï ya tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈
Lëk riliic: KAN YƐLƐ kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye! Lɔ̈k ba kɔc cï puɔ̈c apɛi looi, ku ka kɔc cï puɔ̈c apɛi looi, ka kɔc cï puɔ̈c apɛi looi, ka kɔc cï puɔ̈c apɛi looi. Luɔ̈ɔ̈i tɛ̈n yenë kɛ̈l kɛ̈l kɛ̈l kɛ̈l kɛ̈l kɛ̈l.
PAM cï kuanycök ku luɔɔi cï gam aye kä puɔth ye kek yök:
Kä ye kɔɔr kä ye kɔɔr kä ye kɔɔr kä ye kɔɔr kä ye kɔɔr kä ye kɔɔr kä ye kɔɔr kä ye kɔɔr kä ye kɔɔr kä ye kɔɔr:
Lɔ̈ɔ̈m cïï tɔ̈u thïn alëu bï lɔ̈ɔ̈m cï tɔ̈u thïn ya cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk cɔk c
PAM-cɔl flocks ee kɔc cï puɔ̈ɔ̈c bɛ̈n ya cɔk tɔ̈ɔ̈u, ku bï kɔc cï puɔ̈ɔ̈c bɛ̈n ya cɔk tɔ̈ɔ̈
Kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc
Yen ee kë puɔth ye looi. Kä ye kek looi në floc yiic aye pi bɛ̈n ya looi në kë de kë ye kek looi në kë de kë ye kek looi në kë de kë ye kek looi në kë de kë ye kek looi.
Në bɛ̈ɛ̈i de bɛ̈ɛ̈i de bɛ̈ɛ̈i de bɛ̈ɛ̈i de bɛ̈ɛ̈i de bɛ̈ɛ̈i de bɛ̈ɛ̈ 85% (cïn kemikal) tënë <i> 60% ka tɔ̈uKɔn ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek ye kek
Lɔ̈k kɛ̈k ye cɔl kek ye cɔl kek ye cɔl kek ye cɔl kek ye cɔl kek ye cɔl kek ye cɔl kek ye cɔl kek:
Flocculation puɔth bɛ kek looi tɛ̈n yenë kek looi tɛ̈n yenë kek looi tɛ̈n yenë kek looi tɛ̈n yenë kek looi tɛ̈n yenë kek looi tɛ̈n yenë kek looi tɛ̈n yenë kek
Lɔ̈ɔ̈m ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k
Kä puɔth lëu bɛ̈n lɔ̈ɔ̈m ku lëu bɛ̈n lɔ̈ɔ̈m ku lëu bɛ̈n lɔ̈ɔ̈m. PAM ee kä ye kek tɔ̈ɔ̈u thïn tɔ̈ɔ̈u thïn tɔ̈ɔ̈u thïn tɔ̈ɔ̈u thïn tɔ̈ɔ̈u thïn tɔ̈ɔ̈u thïn tɔ̈ɔ̈u thïn tɔ
Dosing Point ku Mixing Energy:
PAM solution adhil bɛ̈n tɔ̈ɔ̈u kɛɛliw ye tɔ̈ɔ̈u kɛɛliw ye tɔ̈ɔ̈u kɛɛliw ye tɔ̈ɔ̈u kɛɛliw ye tɔ̈ɔ̈u kɛɛliwstatic mixer wala a tank kondisioner.
Lɔ̈ɔ̈m ye kɛ̈k ye kɛ̈k ye kɛ̈k ye kɛ̈k ye kɛ̈k ye kɛ̈k ye kɛ̈kA tɔt a bɛ̈n ya cɔk tɛ̈n tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈ A dɔŋ ye kɔc cï röt looi bɛ̈n tɔ̈ɔ̈u ku ye kɔc cï röt looi bɛ̈n tɔ̈ɔ̈u. Lɔ̈k tɛ̈n ye kɔc cɔl floc size (3-5mm) ku lɔ̈k tɛ̈n ye kɔc cɔl floc size.
Dosage:
Kä juëc cïï puɔth. Dɔɔs juëc A lëu bï kä ye kek tɔ̈ɔ̈u ya cɔk tɔ̈ɔ̈u ya cɔk tɔ̈ɔ̈u ya cɔk tɔ̈ɔ̈u ya cɔk tɔ̈ɔ̈u ya cɔk tɔ̈ɔ̈u ya cɔk tɔ̈ɔ̈u ya cɔk tɔ̈ɔ̈u ya cɔk tɔ̈ɔ̈u ya cɔ
Lɔ̈k kɛ kä kɔ̈k peei (Conditioning):
Tɛ̈n yenë kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl ye kɔl "PAM + inorganic coagulant (c.m., PAC, Ferric Chloride) " a laa laa laa laa laa laa laa laa laa laa laa laa laa laa laa laa laa laa laa laa laa laa laa laa laa laa.
Sequence: Në ye mɛn, ka coagulant (PAC) tɔ̈ɔ̈u tueŋ ago charge neutralization ku destabilization, ka PAM tɔ̈ɔ̈u ago flocculation. Kän ye kek mat thïn alëu bï kä ye kek ɣɔɔc ku kä ye kek ɣɔɔc ya cɔk tɔ̈ɔ̈u.
Test fuu: Acïn PAM ye kɔc ëbën looi. Lɔ̈k tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ Tïŋ tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ
Focus on Floc Quality (Lɔ̈ɔ̈r kɛ kui̱i̱ kualiti flok): Filter presses wïc "dït ku kuat" flocs, ka "dït ku dït" kɔ̈k.
Optimization sistem: PAM luɔɔi ee kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye kɛ̈ɛ̈k ye kɛ̈ɛ̈ A dhil ya tɔ̈ɔ̈u ke ye sistem cï mat thïn ago kä puɔth ye kek looi yök.
Na yïn wïc ba kä ye kek looi ya tɔ̈ɔ̈u, ka yïn naŋ thiëëc kɔ̈k, ke yï lɛ̈k form tɔ̈u piny. Ɣok abï yïn thiëëc tɛ̈n yenë yïn yök.