Binciken Aikace-aikacen Na UV LED A cikin Haifuwa da Tsabtace Ruwa

UV-LEDs, ko ultraviolet haske-emitting diodes, sun zama fasaha mai amfani don lalata ruwa a cikin shekaru goma da suka gabata. Fa'idodin fitilun mercury na gargajiya na UV akan sinadarai Ruwi   Dabarun har yanzu suna can tare da UV-LEDs, amma kuma suna kawar da wasu kurakurai.

Fasahar Haihuwa

Aikace-aikace da yawa na UV LED bakararre ana iya samun fasaha a rayuwar yau da kullun. Misali, ana amfani da shi a cikin abinci, magani, ruwa, da najasa. Chemicals, zafi, UV radiation, da ozone duk ana yawan amfani da su akai-akai UV LED bakararre   dabaru.

Saboda saukinsu, ana amfani da sinadarai (kamar chlorine, peroxidase, da sauransu) akai-akai don UV LED bakararre ; duk da haka, suna iya samun sakamako mara kyau, kamar canza ingancin manufa. Rashin amfani da chlorine don UV LED bakararre shine samar da sinadarai masu wari da masu illa.

Ruwa ba zai iya riƙe ultraviolet ba kuma yana da ɗan tasiri akan tsarin halittu. Bugu da ƙari, ba ya haifar da juriya na ƙwayoyin cuta. Don haka, UV LED bakararre , wanda kwanan nan ya bayyana a cikin Haske a matsayin madadin chlorination, da kyau yana tsaftacewa ba tare da mahadi masu sinadaran ba.

Ana amfani da fitilun UV, kamar ƙananan fitilun mercury-matsakaicin matsakaici da matsakaici, a cikin dabarun bacin UV na gargajiya. Ana amfani da waɗannan a cikin dakunan gwaje-gwajen halittu da wuraren kiwon lafiya don lalata yanayin aiki da kayan aiki. Dangane da ingancin shanyewar UV ta DNA, hasken UV yana fitar da UV a wani takamaiman tsayin daka, wanda yayi daidai da kololuwar tasirin tasirin ƙwayoyin cuta.

UV radiation tare da mita na 365 nm an kasafta shi azaman UV-A (320-400 nm), kuma UV-A yana da ƙarancin lalacewa fiye da UV-C (100-280 nm). UV-LED yana samar da haske mai tsawon nanometer 365, wanda ba shi da lahani ga idanu da fata na ɗan adam fiye da fitila mai tsawon nanometer 254.

Bugu da ƙari, saboda UV-LED ba shi da mercury, ba shi da wani mummunan tasiri a kan muhalli ko mutane. Mai sankarar muhalli shine UV-LED. Mercury, wanda ke da illa ga muhalli da lafiyar ɗan adam, yana cikin fitulun mercury-vapor.

Dole ne a yi amfani da sterilizers na UV don dacewa da siffar fitilu, waɗanda galibi suna da girma kuma suna mamaye ɗaki da yawa. Don haka, ba tare da amfani da abubuwa masu haɗari ba, sababbi UV LED bakararre   Ana iya ƙirƙirar kayan aiki tare da ƙarancin amfani da makamashi a cikin siffofi da girma dabam dabam.

Kwatanta UV LED Tare da LED na al'ada; S

UV-LEDs sun fi juriya, ƙanana, kuma marasa mercury fiye da takwarorinsu na al'ada. Har ila yau, suna dadewa kuma suna samun cikakken iko da sauri. Waɗannan fa'idodin, tare da kusan lokutan farawa nan da nan da tsayin raƙuman raƙuman ruwa, suna ba da ƙirar ƙirar UV-LED tare da sassauƙar ƙira.

Duk da waɗannan fa'idodin, aikace-aikacen reactor na UV-LED na al'ada sun mai da hankali kan ƙananan cibiyoyin sadarwa, waɗanda ba su da tasiri don kula da ruwan birni. Saboda girman girman su, wanda ke jere daga 1 zuwa 4 mm, UV-LEDs za a iya sanya su don fitar da radiation ta hanyoyi daban-daban.

Idan aka kwatanta da fitilun UV na al'ada, waɗannan ƙirar hasken da aka mai da hankali sosai suna ba da damar ƙarin zaɓuɓɓukan daidaitawa don haka, na'urorin fission na musamman. Don Tare Ruwi , UV-LEDs sun nuna cewa sun kasance aƙalla masu tasiri kamar yadda aka rage yawan fitilun UV (LPUV) akan nau'i mai yawa na ƙananan ƙwayoyin cuta (misali, 250 –da 285 nm).

Wadannan sauye-sauye suna inganta kowace shekara. Yaɗuwar karɓar fasahar tsaftar UV-LED mai dacewa an iyakance shi ta hanyar tsadar farashi mai tsada, ƙarancin fitarwa, da ƙarancin facade.

A sakamakon haka, amfani da fasaha ya kasance da farko an iyakance shi ne kawai ga amfani, ƙananan aikace-aikacen batch, inda aka shawo kan gazawar fasahar ta hanyar tsawaita lokacin bayyanawa don cimma madaidaicin adadin UV.

Duk da haka, ƙirƙirar na'urorin farko masu cikakken sikelin UV-LED waɗanda za a iya amfani da su a ayyukan ruwa na birni (WTWs) ya yiwu ta hanyar saurin ci gaba a fasahar UV-LED da haɓaka ƙirar reactors da aiki.

Ana yin irin waɗannan na'urorin da aka yi da bututun gilashin crystal tare da UV-LEDs da aka shirya a jere tare da gefen Silinda, wanda ke ba da damar hasken UV damar shiga cikin ruwan da ke gudana ta cikin reactor. Ana samun kulawar thermal ta hanyar watsar da zafin da LEDs masu aiki ke samarwa ta amfani da tsarin zagayawa na ruwa da ke kewaye da jirgin ruwa.

Biodosimetry

Don sanin ko ana iya amfani da UV-LEDs don manyan sikelin Ƙaunar ruwan UV,   daidaitaccen kima na Ruwi   Ana buƙatar ingantaccen ma'aunin reactors. Biodosimetry ita ce hanyar tabbatarwa ta yanzu don na'urorin lantarki na UV na al'ada (ta amfani da fitilun mercury)

A cikin wannan mahallin, ƙimayar ƙimar gwajin ƙwayoyin cuta ga ƙwayar cuta ta UV akan allurai daban-daban tare da ƙirar kunna kunnawa ana kiranta biodosimetry. Matsakaicin amsa-kashi don masu sarrafa UV galibi ana ƙaddara ta hanyar gwajin katako ta hanyar amfani da ƙananan ƙwayoyin cuta na ruwa.

Ana ƙididdige adadin ƙarancin dangi (RED) (mJ/cm2) ta amfani da madaidaicin lanƙwasa da auna kashewa na biodosimeter.

Lanƙwan Amsar Kashi na UV Ga Masu Reactor

Yakamata a girma da ƙalubalen kwayoyin halitta iri ɗaya daga nau'ikan ƙwayoyin cuta iri ɗaya. Ana samar da madaidaicin matakin amsa UV don masu reactors sakamakon aikin, kuma yana nuna raguwar adadin kowane rashin kunna log ɗin da aka samu a cikakken sikeli.

Bugu da ƙari, tsarin ya haɗa da watsawar UV (UVT) a cikin lissafin kashi na UV, daidaita ma'aunin amsawar UV na reactor zuwa matakan ingancin ruwa daban-daban dangane da UVT kawai.

Don haka, babban makasudin wannan aikin shine a tantance aikin tsarin UV-LED ta hanyar amfani da maye gurbin ƙwayoyin cuta da kwatanta shi da na fitilun UV na gargajiya.

Cryptosporidium spp

ya zaɓi Cryptosporidium spp. kamar yadda kwayoyin halittarmu da aka yi niyya tun lokacin da ake amfani da UV akai-akai a cikin yanayi tare da yuwuwar yiwuwar faruwar Cryptosporidium. Abubuwan haɗari don Cryptosporidium sun haɗa da kasancewar su a cikin ruwa mai tushe, juriya ga chlorine (an ruwaito tsawon lokacin hulɗar chlorine 1000 –10,000 MG min/L), da kusanci don gujewa shan ruwan da aka tace saboda ƙananan girmansu (4 –6 m).

Maganin rashin kunnawa UV don Cryptosporidium parvum shine 0.16 cm2/MJ, wanda yayi ƙasa da madaidaicin madaidaicin chlorine kyauta.

A ina Zaku Iya Siyan UV LED UV LED Bakara Daga?

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