Kune mhando dzakawanda dzemaflocculant, dzinogona kukamurwa kuita mapoka maviri, rimwe nderemaflocculant asina kugadzirwa uye rimwe nderemaflocculant asina kugadzirwa.
(1) Zvinhu zvisina kugadzirwa: zvinosanganisira mhando mbiri dzemunyu wesimbi, munyu wesimbi nemunyu wearuminiyamu, pamwe chete nezvinhu zvisina kugadzirwa zvepolymer zvakaita sepolyaluminum chlorideAnonyanya kushandiswa ndeaya: ferric chloride, ferrous sulfate, ferric sulfate, aluminum sulfate (alum), basic aluminum chloride, nezvimwewo.
(2) Organic flocculants: kunyanya zvinhu zvepolymer zvakaita sepolyacrylamide. Nekuti polymer flocculants ine zvakanakira: dosage diki, fast sedimentation rate, high floc strength, uye kugona kuwedzera kasi yekusefa, flocculation effect yayo yakakura kakati wandei kusvika kagumi kupfuura iyo ye inorganic flocculants yechinyakare, saka parizvino inoshandiswa zvakanyanya mumapurojekiti ekurapa mvura.
(Nyanzvi yekugadzira mushonga wekuchenesa mvura - Clean Water clean world)
Polymer flocculant--polyacrylamide
Zvinhu zvikuru zvekugadzirapolyacrylamide (muchidimbu PAM)iacrylonitrile. Inosanganiswa nemvura muchikamu chakati uye inowanikwa kuburikidza nekunyorovesa, kucheneswa, polymerization, kuomesa uye mamwe maitiro.
Mhedziso dzinotevera dzinogona kuwanikwa kubva mukuyedza kwakapfuura:
(1) Anionic PAM yakakodzera zvinhu zvisingasanganisike zvine huwandu hwakawanda uye positive charge, pamwe chete nezvimedu zvakakasharara zvakakasharara (0.01~1mm), uye neutral kana alkaline pH value.
(2) Cationic PAM yakakodzera zvinhu zvakasungirirwa zvine chaji isina kunaka uye zvine zvinhu zvipenyu.
(3) Nonionic PAM yakakodzera kupatsanurwa kwezvinhu zvakasungirirwa mumamiriro akasiyana-siyana eorganic neinorganic, uye mhinduro yacho ine acid kana kuti haina kwayakarerekera.
Kugadzirira Flocculant
Flocculant inogona kunge iri solid phase kana high concentration liquid phase. Kana flocculant iyi ikaiswa zvakananga kususpension, nekuda kwekuwanda kwayo uye kupararira kwayo kwakaderera, flocculant haigone kupararira zvakanaka mususpension, zvichiita kuti chikamu cheflocculant chisakwanise kutamba basa reflocculation, zvichikonzera kutambisa flocculant. Saka, musanganiswa wekunyungudutsa unodiwa kuti ukurumidze flocculant nemvura yakakwana kuti isvike pakuwanda kwakati, kazhinji isingapfuure 4~5g/L, uye dzimwe nguva isingasviki kukosha uku. Mushure mekukurunga zvakaenzana, inogona kushandiswa. Nguva yekukurunga ingangoita 1~2h.
Mushure mekunge polymer flocculant yagadzirwa, nguva yayo inoshanda ndeye 2 ~ 3d. Kana mhinduro yacho yava chena semukaka, zvinoreva kuti mhinduro yacho yaora uye yapera, uye inofanira kumira nekukasika.
Boka remaamide repolyacrylamide rinogadzirwa neYixing Cleanwater Chemicals Co., Ltd. rinogona kubatana nezvinhu zvakawanda, kunyudza uye kuumba hydrogen bonds. Polyacrylamide ine huremu hwakawanda inoumba mabhiriji pakati pemaion adsorbed, inogadzira flocs, uye inokurumidza kunyungudika kwezvikamu, nokudaro ichizadzisa chinangwa chikuru chekuparadzaniswa kwemvura yakasimba. Kune mhando dzeanionic, cationic uye dzisiri ionic. Panguva imwe chete, vatengi vanogonawo kugadzirisa zvigadzirwa zvemhando dzakasiyana.
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