Libaktheria le kokoana-hloko li teng moeeng, metsing le mobung, le hoo e batlang e le holim'a lijo tsohle, limela le liphoofolo.Bongata ba libaktheria le kokoana-hloko ha li utloise batho bohloko.Leha ho le joalo, tse ling tsa tsona lia fetoha ho senya tsamaiso ea ’mele ea ho itšireletsa mafung, e leng ho behang bophelo ba motho kotsing.
Mahlaseli a Ultraviolet ke eng
Mofuta o tloaelehileng oa mahlaseli a UV ke khanya ea letsatsi, e hlahisang mefuta e meraro e meholo ea mahlaseli a UV, UVA (315-400nm), UVB (280-315nm), le UVC (e khuts'oane ho feta 280 nm).Lehlaseli la UV-C la lehlaseli la ultraviolet le bolelele ba maqhubu a pota-potileng 260nm, le hloailoeng e le lehlaseli le sebetsang ka ho fetisisa bakeng sa ho thibela likokoana-hloko, le sebelisetsoa ho thibela metsi.
Molao-motheo oa ho Sebetsa
Sterilizer e kopanya mekhoa e felletseng e tsoang ho optics, microbiology, chemistry, electronics, mechanics le hydromechanics, e theha mahlaseli a matla le a sebetsang a UV-C ho khantša metsi a phallang.Libaktheria le livaerase tse metsing li senngoa ke molumo o lekaneng oa mahlaseli a UV-C (wavelength 253.7nm).Ha DNA le sebopeho sa lisele li senyehile, ho nchafatsoa ha lisele hoa thibeloa.Ho thibela likokoana-hloko le ho hloekisa metsi ho phethahetse ka ho feletseng.Ho feta moo, mahlaseli a UV a nang le leqhubu la bolelele ba 185nm a hlahisa li-radicals tsa hydrogen ho oxidize limolek'hule tsa organic ho CO2 le H2O, 'me TOC e ka metsing ea tlosoa.
Melemo ea ho bolaea likokoana-hloko le UV-C
● Ha e fetole tatso, pH, kapa litšobotsi tse ling tsa metsi
● Ha e hlahise lihlahisoa tse bolaeang likokoana-hloko tse entsoeng ka bophelo bo amehang
● Ha ho kotsi ea ho feta tekano 'me e ka laoloa habonolo ho fetola phallo ea metsi kapa thepa ea metsi
● E sebetsa khahlanong le mefuta eohle ea likokoana-hloko, ho akarelletsa le baktheria, livaerase, fungus le protozoa.
● E fokotsa lik'hemik'hale tse hlokahalang
● E bolokehile ebile e baballa tikoloho
Bongata le Yuniti ea Mahlaseli a Ultraviolet
Maemo a Irradiance a Thepa ea Rona
Mahlaseli a Tekanyetso
Likokoana-hloko tsohle li hloka hore tekanyetso e fapaneng e kenngoe.
Nt/No = exp.(-keEeft)…………………1
Kahoo ho Nt /N o = --keEefft…………2
● Nt ke palo ea likokoana-hloko ka nako t
● Che ke palo ea likokoana-hloko pele e pepeseha
● k ke sekhahla se tsitsitseng ho itšetlehile ka mefuta ea tsona
● Eefft ke mahlaseli a sebetsang hantle ho W/m2
Sehlahisoa sa Eeft se bitsoa tekanyo e sebetsang
Heff e hlahisoa ka Ws/m2 le J/m2
Ho latela hore bakeng sa 90% kill equation 2 e fetoha
2.303 = kHeff
Lipontšo tse ling tsa boleng ba k li fanoe tafoleng ea 2, moo li ka bonoang li fapana ho tloha ho 0.2 m2 / J likokoana-hloko le libaktheria, ho ea ho 2.10-3 bakeng sa likokoana-hloko tsa hlobo le 8.10-4 bakeng sa algae.Ho sebelisa li-equations tse ka holimo, setšoantšo sa 14 se bontšang ho pholoha kapa ho bolaea % khahlanong le lethal dose, se ka hlahisoa.
Nako ea poso: Dec-20-2021