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Resin ea phapanyetsano ea acid e fokola

Resin ea phapanyetsano ea acid e fokola

Li-resin tsa Weak Acid Cation (WAC) li kopantsoe ke acrylonitrile le divinylbenzene le ho e chesa ka metsi ka sulfuric acid kapa Sodium hydroxide.

Khamphani ea Dongli e ka fana ka li-resin tsa WAC tse nang le li-macroporous ka li-crosslink le li-gradling tse fapaneng ho kenyeletsoa sebopeho sa Na, boholo ba likaroloana tsa junifomo le sehlopha sa lijo.


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Resins e fokola ea asiti

Lithaba Sebopeho sa Polymer Matrix                   Ponahalo ea Sebopeho sa 'mele MosebetsiSehlopha Ionic Foromo Kakaretso ea bokhoni ba phapanyetsano meq / ml ho H Mongobo Phatsa size limilimithara Ho ruruhaH → Na Max. Ho tsamaisa boima ba 'mele g / L.
EA-113-GC Gel mofuta Polyacrylic le DVB Hlakola lifaha tse chitja R-COOH H 4.0 44-53% 0.3-1.2 45-65% 750
MC113 Macroporous Polyacrylic DVB Lifaha tse mongobo Opaque R-COOH H 4.2 45-52% 0.3-1.2 45-65% 750
EA-D152 Macroporous Polyacrylic DVB Lifaha tse mongobo Opaque R-COOH Na 2.0 60-70% 0.3-1.2 50-55% 770
Weak-Acid-Cation3
Weak-Acid-Cation
Weak-Acid-Cation4

Phofo ea phapanyetsano ea acid e fokolang ke mofuta oa lehoakhoa le nang le lihlopha tse fokolang tsa phapanyetsano ea acid: carboxyl COOH, phosphate po2h2 le phenol.

E sebelisoa haholo kalafo ea metsi, karohano ea likarolo tse sa tloaelehang, ho theola metsi le ho nolofatsa metsi, ho ntša metsi le ho arola lithibela-mafu le li-amino acid indastering ea meriana.

Fepheko

(1) Phofo ea phapanyetsano ea asiti e fokolang e na le litšobotsi tse tšoanang ka metsing. Ka hona, matla a eona a ho bola matsoai a sa nke lehlakore a fokola (ke hore, ho thata ho sebetsana le matsoai a li-anion tse matla tse kang SO42 -, Cl -). E ka sebetsa feela ka letsoai le fokolang la letsoai (matsoai a nang le alkalinity) ho hlahisa asiti e fokolang ho fapana le asiti e matla. Metsi a nang le alkalinity e phahameng a ka phekoloa ka lehoakhoa le fokolang la mofuta oa H oa mofuta oa phapanyetsano. Kamora hore li-cations tse tsamaellanang le alkalinity ka metsing li tlosoe ka botlalo, li-cations tse tsamaellanang le acid e matla ka metsing li ka tlosoa ka lehare le matla la mofuta oa mofuta oa H.

(2) Hobane lehoakhoa le fokolang la cation phapanyetsano e na le kamano e phahameng bakeng sa H +, ho bonolo ho e nchafatsa, ka hona e ka nchafatsoa ka mokelikeli oa litšila oa lehoakhoa le matla la mofuta oa C oa mofuta oa cation.

(3) Bokhoni ba phapanyetsano ea lehoakhoa la phapanyetsano ea asiti e fokolang bo boholo ho feta ba lehoakhoa la phapanyetsano la asiti e matla.

(4) Phofo ea phapanyetsano ea acid e fokola e na le tekanyo e tlase ea li-crosslinking le li-pores tse kholo, ka hona, matla a eona a mochini o tlase ho feta oa lehoakhoa le matla la asiti.

Litšobotsi Tse Ling

Litšobotsi tsa lehoakhoa la phapanyetsano la acid e fokolang ea metsing li tšoana le tsa asiti e fokolang. E na le tšebelisano e fokolang le matsoai a sa jeleng paate (joalo ka SO42 -, Cl - le li-anion tse ling tse matla). E ka sebetsa feela ka letsoai le fokolang la asiti (matsoai a nang le alkalinity) mme e hlahise asiti e fokolang kamora karabelo. Metsi a nang le alkalinity e phahameng a ka phekoloa ka asiti e matla ea phapanyetsano ea ione ea mofuta oa H. Kamora hore anion e tsamaellanang le alkalinity ka metsing e tlosoe, anion e tsamaellanang le acid e matla e ka tlosoa ka asiti e matla ea mofuta oa mofuta oa H oa mofuta oa H.

Hobane lehoakhoa le fokolang la cation le na le kamano e phahameng le H, ho bonolo ho le nchafatsa, ka hona le ka nchafatsoa ka mokelikeli oa litšila oa lehoakhoa le matla la mofuta oa mofuta oa anion.

Bokhoni ba phapanyetsano ea lehoakhoa le nang le asiti e fokolang bo ka ba habeli ho feta ba lehoakhoa le matla la asiti. Hobane tekanyo ea crosslinking ea acid e fokolang ea cation resin e tlase, matla a eona a metjhini a tlase ho feta a lehoakhoa le matla la asiti.

Letsoai la letsoai le fokolang cation resin le na le bokhoni ba hydrolysis.


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