Kev xaiv thiab kev hloov kho ntawm cov flocculants

Muaj ntau hom flocculants, uas tuaj yeem muab faib ua ob pawg, ib qho yog inorganic flocculants thiab lwm qhov yog organic flocculants.

(1) Cov tshuaj flocculants inorganic: suav nrog ob hom ntsev hlau, ntsev hlau thiab ntsev txhuas, nrog rau cov tshuaj flocculants inorganic polymer xws lipolyaluminum chlorideCov uas siv ntau yog: ferric chloride, ferrous sulfate, ferric sulfate, aluminium sulfate (alum), basic aluminium chloride, thiab lwm yam.

(2) Cov tshuaj flocculants organic: feem ntau yog cov tshuaj polymer xws li polyacrylamide. Vim tias cov tshuaj polymer flocculants muaj qhov zoo ntawm: cov tshuaj me me, cov dej ntws sai, lub zog floc siab, thiab lub peev xwm ua kom cov dej ntws ceev dua, nws cov nyhuv flocculation yog ntau mus rau ntau kaum npaug ntau dua li cov tshuaj inorganic flocculants ib txwm muaj, yog li nws tam sim no siv dav hauv cov haujlwm kho dej.

(Tus kws tshaj lij tsim cov tshuaj kho dej-Clean Water clean world)

Polymer flocculant - polyacrylamide

Cov khoom siv tseem ceeb ntawmpolyacrylamide (PAM luv)yog acrylonitrile. Nws yog sib xyaw nrog dej hauv ib qho kev faib ua feem thiab tau txais los ntawm kev ua kom noo, kev ntxuav, kev sib xyaw ua ke, kev ziab thiab lwm yam txheej txheem.

Cov lus xaus hauv qab no tuaj yeem kos los ntawm cov kev sim dhau los:

(1) Anionic PAM yog qhov tsim nyog rau cov khoom tsis muaj zog uas muaj qhov siab thiab muaj tus nqi zoo, nrog rau cov khoom me me uas muaj cov khoom me me (0.01 ~ 1 hli), thiab tus nqi pH nruab nrab lossis alkaline.

(2) Cationic PAM yog qhov tsim nyog rau cov khoom uas raug tshem tawm nrog cov nqi tsis zoo thiab muaj cov organic.

(3) Nonionic PAM yog qhov tsim nyog rau kev sib cais cov khoom raug tshem tawm hauv cov organic thiab inorganic sib xyaw, thiab cov tshuaj yog acidic lossis nruab nrab

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Kev npaj flocculant

Cov flocculant tuaj yeem yog cov khoom khov lossis cov kua uas muaj zog heev. Yog tias cov flocculant no raug ntxiv ncaj qha rau hauv cov tshuaj, vim nws qhov ceev thiab qhov nrawm qis, cov flocculant tsis tuaj yeem tawg zoo hauv cov tshuaj, ua rau ib feem ntawm cov flocculant tsis tuaj yeem ua lub luag haujlwm flocculation, ua rau cov flocculant pov tseg. Yog li ntawd, yuav tsum muaj lub tshuab sib tov yaj kom do cov flocculant thiab dej kom txaus kom txog thaum muaj qhov concentration, feem ntau tsis pub tshaj 4 ~ 5g / L, thiab qee zaum tsawg dua tus nqi no. Tom qab do kom sib npaug, nws tuaj yeem siv. Lub sijhawm do yog li 1 ~ 2 teev.

Tom qab cov polymer flocculant tau npaj lawm, nws lub sijhawm siv tau yog 2 ~ 3d. Thaum cov tshuaj ua dawb milky, nws txhais tau tias cov tshuaj tau lwj thiab tas sijhawm, thiab nws yuav tsum tau nres tam sim ntawd.

Cov pab pawg amide ntawm polyacrylamide uas tsim los ntawm Yixing Cleanwater Chemicals Co., Ltd. tuaj yeem sib raug zoo nrog ntau yam khoom, nqus thiab tsim cov hydrogen bonds. Polyacrylamide qhov hnyav molecular siab tsim cov choj ntawm cov ions adsorbed, tsim cov flocs, thiab ua kom cov av noo sai dua, yog li ua tiav lub hom phiaj kawg ntawm kev sib cais cov khoom khov-kua. Muaj cov hom anionic, cationic thiab non-ionic. Tib lub sijhawm, cov neeg siv khoom kuj tuaj yeem kho cov khoom ntawm cov lus qhia sib txawv.

Lus Ceeb Toom: Peb tsis hais lus phem rau cov neeg uas sau tsab xov xwm no. Tsab xov xwm no tsuas yog siv rau kev sib txuas lus xwb, tsis yog siv rau kev lag luam, thiab tus sau thawj yog tus sau ntawv li. Ua tsaug rau koj txoj kev mloog thiab kev txhawb nqa!

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Lub sijhawm tshaj tawm: Lub Kaum Hli-17-2024