Mfundo ndi Magawidwe a Flocculants

E zotsatira

Mphamvu ya kuwonjezera flocculant zimagwiritsa ntchito kuchepetsa kapena kuthetsa sedimentation bata ndi polymerization bata wa particles omwazika m'madzi, kupanga particles omwazika agglomerate, flocculate ndi kuchotsa zolimba inaimitsidwa, ndi kulimbikitsa kupatukana olimba-madzi.

P mfundo

Kukula kwa tinthu tomwe timayimitsidwa m'madzi ndikochepa mokwanira, mphamvu ya kayendedwe ka Brownian ndiyokwanira kuteteza mphamvu yokoka kuti isakhazikike. Kuphatikiza apo, pamwamba pazigawo zazing'ono nthawi zambiri zimakhala ndi mlandu womwewo, ndipo tinthu tonyansa pakati pamilandu yomweyi sikophweka kuphatikizika ndikukhala kokulirapo, zomwe zimapangitsa kuti kuyimitsidwa kukhazikike. The flocculant ndi organic polima wokhala ndi chindapusa chapadera. Ndondomeko ya flocculation ndikuwonjezera chiwongola dzanja kuti apange "Kusakhazikika". Kudzera kugundana, ma particles amakopana, ndipo kuphatikiza kumakulirakulira, kuti kulimbikitse mpweya wamagulu.

C kuzindikiritsa 

  1. Omwe amagwiritsidwa ntchito kwambiri popanga ma polymer ndi PAC (polyaluminum chloride) ndi PFS (polyferric sulphate); ndizosavuta kulekerera m'madzi komanso kuwonongeka kwina. Ikhoza kuwonjezeredwa ngati njira yothetsera kapena granule.
  2. PAM (polyacrylamide) ndiye amagwiritsidwa ntchito kwambiri polima ; imasungunuka m'madzi, koma kuchuluka kwake kumachedwa pang'onopang'ono. Nthawi zambiri, imakonzedwa kukhala yankho musanawonjezere. Itha kugawidwa mu mtundu wa anion ndi mtundu wa cation. Anionic flocculant imagwiritsidwa ntchito popangira zimbudzi, ndipo mtundu wa cationic umagwiritsidwa ntchito popanga madzi amdambo. PAM ndiyosavuta kuyamwa madzi ndikupaka miyala, ndipo malo osungira ayenera kukhala owuma.

Post nthawi: Oct-30-2020
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