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Muaj Aluminium SulfateThe Main Purpose

Aluminium sulfate (tshuaj formula Al2 (SO4) 3, hom 342.15), dawb orthorhombic crystalline hmoov, ceev 1.69g / mL (25 ℃). Nyob rau hauv daim ntawv kev lag luam xws li rosin kua nplaum, ua liaj ua teb emulsion thiab lwm yam kev sib txuas ntawm cov nag, kev kho dej raws li flocculant, tab sis kuj rau lub tshuab ua npuas hluav taws xob, kev siv ntawm alum, aluminium dawb raw cov ntaub ntawv, cov tshuaj dawb, cov tshuaj tsw qab, cov ntaub ntawv thiab hais txog. Tab sis kuj yog qhov siv thiab ua cov pob zeb diamonds thiab ntau dua ammonium alum.

Txog li 50 feem pua ntawm cov khoom siv zas ua kua tag nrho yog thawj qhov loj siv rau daim ntawv, qhov thib ob kev siv loj tshaj plaws yog nyob hauv dej haus, dej muaj dej kub thiab cov dej khib nyiab, ua rau muaj 40 feem pua ntawm cov khoom siv zas ua ke. Thaum txhuas sulfate ntxiv rau hom dej no, nws tuaj yeem tsim cov dej ntws ntawm aluminium hydroxide uas muaj peev xwm txo tau thiab ua kom cov kab mob ua kom muaj kabmob, ua haujlwm thiab lwm yam tsis muaj teeb meem, thiab tswj tau cov xim thiab saj cov dej hauv kev haus dej haus.

Ua ntej, lub cev xwm txheej

Muaj cov khoom muaj grey, flaky, granular lossis massive, nrog cov hlau tsis muaj ntsev nrog lub teeb ntsuab, thiab vim muaj cov nqi tsawg hlau ntsev yog oxidized thiab cov xim daj. Khoom siv nyhav yog ib qho dawb huv nplua nuj qauv.

Yooj yim to taub hauv dej, txhuas sulfate hauv cov ntshiab sulfuric acid tsis tau yaj (tab sis coexistence), sulfuric acid kua thiab sulfuric acid yaj hauv dej, ces solubility ntawm txhuas sulfate hauv sulfuric acid yog lub solubility ntawm txhuas sulfate hauv dej.

Tsis muaj dej thiab octadecahydrate. Anhydrous yog xim tsis muaj xim, orthorhombic siv lead ua. Soluble nyob rau hauv dej, kua aqueous yog acidic, me ntsis soluble nyob rau hauv ethanol. Cov dej nyob hauv dej nce nrog nce zuj zus. Octadecyl hydrate (Al2 · (SO4) 3 · 18H2O) yog xim tsis muaj xim liab Monoclinic. Soluble nyob rau hauv dej, insoluble nyob rau hauv ethanol. Lub kua dej aqueous yog acidic vim hydrolysis.

Thib ob, cov tshuaj muaj yees

Tsis yooj yim rau huab cua thiab poob crystal dej, kuj ruaj khov, cua sov yuav tsum dehydrated, kub siab yuav decomposed mus rau alumina thiab sulfur oxides. Heated rau 770 ℃ pib zom zom mus rau alumina, sulfur trioxide, sulfur dioxide thiab dej vapor. Soluble nyob rau hauv dej, acid thiab alkali, insoluble nyob rau hauv ethanol. Lub kua dej aqueous yog acidic. Hydrolysis ua aluminium hydroxide. Lub kua aqueous tau boil rau ib lub sij hawm ntev los tsim ib qho yooj yim txhuas sulfate. Tsis muaj kuab lom, plua plav yuav ua rau koj lub qhov muag. Lub hydrolyzate muaj ib lub hauv paus ntsev thiab ib qho precipitate ntawm txhuas hydroxide. Yooj yim sib xyaw nrog potassium, sodium, ammonium ntsev rau alum, xws li potassium aluminium potassium kAl (SO4) 2 · 12H2O. Thaum cov dej kub ua kom sov, nws ua rau nws kub hnyiab thiab ua sponge, thiab thaum sov so kom sov, nws yog decomposed rau sulfur trioxide thiab alumina.

Qeb peb, lub hom phiaj tseem ceeb

Siv raws li tus kab mob crosslinking zoo rau cov kua nplaum quav, thiab tuaj yeem txhim kho qhov nqaij ntawm cov kua nplaum. Tsis tas li ntawd, yog siv cov tshuaj tua kab cure kho, 20% kev tov tshuaj kho tau sai.

Kev ua lag luam kev lag luam xws li rosin kua nplaum, ciab emulsion thiab lwm cov tshuaj tiv thaiv ntawm cov ntxhua khaub ncaws, dej kho rau cov flocculants, tab sis kuj rau lub npuas hluav taws tua hluav taws, kev siv cov alum, aluminium dawb raw cov ntaub, roj tshuaj, deodorant, qee cov tshuaj Ntawm cov ntaub ntawv raw on. Tab sis kuj yog qhov siv thiab ua cov pob zeb diamonds thiab ntau dua ammonium alum. Arsenic ntsiab lus ntawm tsis ntau tshaj 5mg / kg ntawm cov khoom yuav siv tau rau cov dej kho flocculant.

1. Ntawv kev lag luam uas siv los ua tus neeg saib xyuas daim ntawv txheeb kom ua tau zoo rau daim ntawv cov dej, kev tsis sib haum;

2. Cov dej ntws tawm hauv dej tuaj yeem ua rau cov dej nyob hauv cov khoom me me thiab tej yam ntuj tso rau hauv cov pob loj loj, thiab tshem tawm ntawm cov dej, nws yog siv dej thiab cov dej khib nyiab povtseg;

3. Siv raws li tus neeg haus dej purification ntawm turbid dej, kuj yog siv los ua khib nyiab, txhim kho tus neeg saib xyuas, tus tub luam thiab lwm yam. Cov tshuaj pleev ib ce siv tshuaj pleev cov tshuaj pleev xim nqaij (cov tshuaj pleev);

4. Kev lag luam tua hluav taws, nrog cov baking soda, tus neeg ntxhib hluav taws xob uas muaj cov neeg ua hauj lwm tua hluav taws;

5. Tshawb xyuas cov tshuaj reagents, mordant, tanning agent, roj decolorizer, wood preservative;

6. Albumin pasteurization stabilizer (xws li kua los yog khov tag nrho cov qe, protein ntau los yog qe qe);

7. Yuav siv tau ua cov ntaub ntawv raw li kev tsim cov khoom siv lub pov haum thiab ntau dua ammonium alum, lwm cov aluminates;

8. Hauv kev lag luam roj, hauv kev tsim cov chrome daj thiab lub pas dej ntawm lub pas dej ua ke, thaum lub luag hauj lwm ntawm kev txhim kho thiab txheeb cov neeg sawv cev.


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