Dab tsi yog qhov tsawg kawg nkaus txwv rau cov chlorine seem hauv cov dej haus?
Dab tsi yog qhov tsawg kawg nkaus txwv rau cov chlorine seem hauv cov dej haus?

Video: Dab tsi yog qhov tsawg kawg nkaus txwv rau cov chlorine seem hauv cov dej haus?

Video: Dab tsi yog qhov tsawg kawg nkaus txwv rau cov chlorine seem hauv cov dej haus?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Kaum ib hlis
Anonim

Cov siab kawg tso cai WHO tus nqi pub dawb chlorine residual hauv dej haus yog 5 mg/l. Cov yam tsawg kawg nkaus pom zoo WHO tus nqi pub dawb chlorine residual hauv kho dej haus yog 0.2 mg/l. CDC pom zoo kom tsis pub tshaj 2.0 mg / L vim muaj kev txhawj xeeb txog saj, thiab chlorine residual decays nyob rau hauv lub sij hawm dej.

Tom qab ntawd, qhov kev lees paub ntawm chlorine hauv dej haus yog dab tsi?

Cov tshuaj chlorine mus txog 4 milligrams ib liter (mg / L los yog 4 qhov chaw ib lab ( ppm ua ) raug suav hais tias muaj kev nyab xeeb hauv dej haus.

Qhov thib ob, yuav ua li cas yog tias cov tshuaj chlorine tsawg dhau hauv cov dej haus? Cov phom sij ntawm Chlorine hauv koj Haus dej Mob plab, ntuav, thiab raws plab tuaj yeem yog qhov cuam tshuam ntawm kev noj tshuaj chlorine , thiab nws tuaj yeem ua rau tawv nqaij qhuav, khaus khaus. Mob hnyav tshuaj chlorine Kev lom neeg tuaj yeem yog qhov phem dua - ib koob tshuaj tseem ceeb ntawm cov kua tshuaj chlorine tuaj yeem yog heev lom thiab txawm tuag rau tib neeg.

Kuj nug, dab tsi yog qhov zoo chlorine residual?

Rau ib txwm siv hauv tsev, residual chlorine theem ntawm qhov chaw uas tus neeg siv khoom sau cov dej yuav tsum nyob nruab nrab ntawm 0.2 thiab 0.5 mg / l. Cov qib siab dua yuav nyob ze rau qhov chaw tshuaj tua kab mob thiab qib qis ntawm qhov deb ntawm cov khoom siv network.

Koj ntsuas cov tshuaj chlorine seem hauv dej li cas?

Feem ntau xeem yog lub dpd (diethyl paraphenylene diamine) qhia xeem , siv tus sib piv. Qhov no xeem yog txoj kev ceev tshaj plaws thiab yooj yim tshaj plaws rau kev sim chlorine residual . Nrog qhov no xeem , ib ntsiav tshuaj reagent yog ntxiv rau cov qauv ntawm dej , xim liab.

Pom zoo: