Basa re flocculant mune tsvina kurapwa

kurapwa kwemvura isina tsvina polyacrylamide flocculant

Basa guru re flocculant mune tsvina kurapwa kusimbisa yakasimba-mvura kuparadzaniswa kwetsvina. Flocculant inogona kushandiswa kwekutanga kunaya kwemvura yetsvina uye yechipiri kunaya mushure mekumisikidzwa sludge nzira, uye inogona zvakare kushandiswa kurapwa kwepamusoro kana kurapwa kwepamberi peseweji. Paunenge uchishandisa flocculants, unogona kushandisa coagulant aids kusimudzira iyo flocculation mhedzisiro yekurapa kweseji

Coagulation kurapwa kunowanzo shandiswa pamberi pe solid-mvura yekuparadzanisa michina. Mushure mekubatanidzwa neyakaomeswa-mvura yekuparadzanisa michina, inogona zvinobudirira kubvisa zvakamiswa zvakaomarara uye zvinhu zvecolloidal mumvura mbishi uye kudzikisira kusvibiswa kwemvura uye COD. Coagulation kurapwa kunogona zvakare zvinobudirira kubvisa microorganisms uye pathogenic mabhakitiriya mumvura, uye inogona kubvisa emulsified mafuta, ruvara, rinorema simbi ions uye nezvimwe zvinosvibisa mune tsvina.

Iyo mashandiro eiyo flocculant

Iyo flocculant inowedzerwa kumvura ichibva yaiswa hydrolyzed mune yakachinjiswa colloid uye maion ayo akakomberedza kuti vagadzire micelle ine mbiri-rukoko dhizaini.

Mukurapa kweseji, iyo flocculant inotora nzira yekumhanyisa inomutsa mushure mekutungamira kusimudzira iyo hydrolysis yeiyo colloidal isina kuchena inodzika uye iyo flocculant kupinda micelles iri mumvura. Iyo tsvina isina kuchena iri mumvura inotanga kurasikirwa nekudzikama kwavo pasi pechiitiko cheiyo flocculant, uyezve yozobatanidzwa kuita zvidimbu zvakakura, uyezve kugadzikana kana kuyangarara kumusoro munzvimbo yekuparadzanisa.

Maitiro ekukurudzira kukurudzira iyo flocculant kuti ikurumidze kupararira mumvura uye kusanganisa neyese tsvina iri kusanganisa. Iyo tsvina isina kuchena iri mumvura inosangana neiyo flocculant kurasikirwa kana kudzikamisa kudzikama kuburikidza nenzira dzakadai sekumanikidza kwemagetsi maviri rukoko uye magetsi neutralization. Iyo nzira yekugadzira microflocs inonzi coagulation. Maitiro ekubatanidza pamwe nekuumba microflocs pasi pekushushikana kwekuvhara zvinhu uye kuyerera kwemvura, kuburikidza ne adsorption bridging uye sediment netting, inokura kuita makuru flocs, ayo anonzi flocculation. Iko kusanganiswa kwekusanganisa, coagulation uye flocculation inonzi coagulation. Iyo yekusanganisa maitiro inowanzo zadziswa mutangi yekusanganisa, uye iyo coagulation uye flocculation inoitwa mune yekuita tangi.

Mhando dzemaflocculants

Flocculant imhando yechinhu chinogona kudzikisira kana kubvisa kunaya kwekudzikama uye kupolimisa kugadzikana kwezvimedu zvakapararira mumvura, uye kuita kuti zvimedu zvakapararira zviumbane uye zviumbike muzvikamu zvekubviswa. Zvinoenderana nemakemikari akaumbwa, flocculants inogona kukamurwa muzvikamu zvitatu: inorganic flocculants, organic flocculants uye microbial flocculants.

Inorganic flocculants inosanganisira aluminium salts, iron salts nemapolymers avo.

Organic flocculants inogona kukamurwa kuita anionic, cationic, isiri-ionic, amphoteric, nezvimwewo maererano nemitero yezvivakwa zveboka rakabhadhariswa remamoner. Zvinoenderana nekwavo kwavanobva, vanogona kukamurwa muzvikamu zviviri: synthetic uye zvakasikwa polymer flocculants. .

Mukushandisa kunoshanda, inorganic flocculants uye organic flocculants zvinowanzo kuverengerwa kugadzira inorganic-organic composite flocculants zvinoenderana yavo dzakasiyana zvivakwa. Microbial flocculant ndicho chigadzirwa chemubatanidzwa wazvino biology uye tekinoroji yekurapa kwemvura, uye yakakosha nzira yekutsvagurudza kwepamusoro uye kusimudzira nekushandisa.


Post nguva: May-08-2021
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