Nthawi zambiri,chipwirikitiamanena zachipwirikiticha madzi.Mwachindunji, zikutanthauza kuti thupi lamadzi lili ndi zinthu zoimitsidwa, ndi izi
zinthu zoimitsidwa zidzalephereka pamene kuwala kudutsa.Mlingo wotsekereza uwu umatchedwachipwirikitimtengo.Zolimba zoyimitsidwandi colloids
monga dothi, silt, zinthu zabwino za organic, zinthu zakuthupi, ndi plankton zomwe zili m'madzi zimatha kupangitsa kuti madzi asokonezeke ndikupangitsa kuti pakhale chipwirikiti.
Malinga ndikusanthula khalidwe la madzi, ndichipwirikitiopangidwa ndi 1 mg SiO2 mu madzi 1L ndi Muyeso umodzichipwirikitiunit, amatchedwa 1 digiri.
Nthawi zambiri, ndipamwamba kwambirichipwirikiti, njira yothetsera mtambo kwambiri.
Muyezo wa turbidity:
Kuwala kwa kuwala kofanana kumafalikira mumadzi owoneka bwino.Ngati palibe tinthu tating'onoting'ono mumadzimadzi, mtengowo susintha njira poyenda
mu mzere wowongoka;kapena osati).Izi zimapanga kuwala komwe kumatchedwa kuwala kobalalika.Ma particles ambiri (apamwambachipwirikiti) Kuchuluka kwa kuwala kwa kuwala.Chiphuphu
amayezedwa ndi chipangizo chotchedwa nephelometer.Nephelometer imatumiza kuwala kupyola mugawo lachitsanzo ndikuyesa kuchuluka kwa kuwala komwe kumamwazikana
tinthu tating'onoting'ono m'madzi pakona ya 90 ° kuwunikira komwe kudachitika.Njira yoyezera kuwala komwazika imeneyi imatchedwa njira yomwaza.Zoona zilizonsechipwirikitiyenera kukhala
anayeza motere.Themita ya turbidityndi yoyenera pamiyezo ya m'munda ndi ya labotale, komanso kuyang'anira mosalekeza nthawi yonseyi.Ma turbidimeters
ikhoza kukhazikitsidwa kuti imveke alamu ikayesedwachipwirikitimfundo zimaposa miyezo ya chitetezo.
Njira zoyezera:
1. Chiphuphuakhoza kuyezedwa ndi njira ya nephelometric kapena njira yobalalika yowala.Ku China, turbidimetry nthawi zambiri imagwiritsidwa ntchito pozindikira.Chitsanzo cha madzi chikufananizidwa
ndichipwirikitimuyezo njira anakonza ndi kaolin, ndichipwirikitisipamwamba, ndipo zimanenedwa kuti 1 mg ya silicon dioxide mu lita imodzi ya madzi osungunuka ndi
achipwirikiti unit.Zanjira zosiyanasiyana zoyezera kapena zinthu zofananira, miyeso ya turbidity yomwe mwapeza siyikhala yofanana.Mlingo wa
chipwirikitikawirikawirisangathekufotokoza mwachindunji mlingo wa kuipitsa khalidwe la madzi, koma kuwonjezeka kwachipwirikitichifukwa cha moyo wa anthu ndi zimbudzi mafakitale limasonyeza
kuti madzi alowa pansi.
2. Chiphuphuimathanso kuyezedwa ndi turbidimeter.Nephelometer imatumiza kuwala kudzera m'gawo lachitsanzo ndikuyesa kuchuluka kwa kuwala komwe kumamwazikana ndi tinthu tating'ono m'madzi.
ku 90°ngodya ya kuwala kwa chochitikacho.Njira yoyezera kuwala komwazika imeneyi imatchedwa njira yomwaza.Zoona zilizonsechipwirikitiziyenera kuyezedwa motere.Themita ya turbidityndi
oyenera onse awirimiyeso yam'munda ndi ma labotale, komanso kuyang'anira mosalekeza nthawi yonseyi.Ma turbidimetersikhoza kukhazikitsidwa kuti imveke alamu ikayesedwa
chipwirikiti mfundo zimaposa miyezo ya chitetezo.
3. Chiphuphuitha kuyerekezedwanso pogwiritsa ntchito colorimeter kapena spectrophotometer kuyeza kuchuluka kwa kuchepa kwa mphamvu ya kuwala komwe kumayambitsidwa chifukwa cha kutsekeka.
zaparticles muchitsanzo.Komabe, mabungwe olamulira samazindikira kulondola kwa njira iyi, komanso sagwirizana ndi tanthauzo la American Public Health Association.
chipwirikiti.
4. Muyezo wa transmittance wopepuka umakhudzidwa mosavuta ndi zosokoneza monga kuyamwa kwamtundu kapena kuyamwa kwa tinthu.Kuphatikiza apo, panalibe kulumikizana pakati pa kutumiza kwa kuwala ndi zotsatira zoyezedwa ndi miyeso yamwazikana.Komabe, nthawi zina miyeso ya colorimeter ndi spectrophotometer ingagwiritsidwe ntchito kudziwa kukula kwachipwirikitim'makina opangira madzi kapena kuwongolera njira.
Nthawi yotumiza: Nov-18-2022
