Na'urar cire launin ruwan shara tana magance matsalolin kula da ruwan shara na birni

Rikicewar sassan ruwan sharar gari ta fi bayyana musamman. Man da ke ɗauke da ruwan sharar zai haifar da datti kamar madara, kumfa da sabulu ke samarwa zai yi kama da shuɗi-kore, kuma yawan zubar da shara sau da yawa launin ruwan kasa ne mai duhu. Wannan tsarin gauraye mai launuka daban-daban yana sanya buƙatu mafi girma akan masu cire launin ruwa daga shara: yana buƙatar samun ayyuka da yawa kamar su rushewa, lalatawa da rage oxidation a lokaci guda. Rahoton gwajin wata masana'antar tace najasa a Nanjing ya nuna cewa kewayon canjin chromaticity na tasirinsa na iya kaiwa digiri 50-300, kuma chromaticity na chromaticity na na'urar cire launi ta gargajiya da aka yi wa magani har yanzu yana da wahalar daidaita ƙasa da digiri 30.

Masu canza launin ruwa na zamani sun cimma nasarar aiki ta hanyar ƙirar tsarin ƙwayoyin halitta. Idan aka ɗauki polymer ɗin dicyandiamide-formaldehyde da aka gyara a matsayin misali, ƙungiyoyin amine da hydroxyl akan sarkar ƙwayoyin halittarsu suna samar da tasirin haɗin gwiwa: ƙungiyar amine tana kama riniyoyin anionic ta hanyar aikin electrostatic, kuma ƙungiyar hydroxyl tana chelates da ions na ƙarfe don kawar da launin ƙarfe. Bayanan aikace-aikacen gaske sun nuna cewa ƙimar cire chromaticity na ruwan sharar gida na birni ya karu zuwa sama da 92%, kuma ƙimar sedimentation na alum flake ya karu da kusan 25%. Abin lura shine cewa wannan mai canza launin ruwan shara har yanzu yana iya ci gaba da aiki mai yawa a ƙarƙashin yanayin zafi mai ƙarancin zafi.

Daga mahangar tsarin tsaftace ruwa gaba ɗaya, sabon na'urar cire launin ruwan shara ta kawo ci gaba da yawa. Dangane da ingancin magani, bayan da wani kamfanin ruwa da aka sake amfani da shi ya ɗauki na'urar cire launin ruwan shara mai haɗaka, lokacin riƙe tankin haɗa ruwa cikin sauri ya ragu daga mintuna 3 zuwa daƙiƙa 90; dangane da kuɗin aiki, farashin sinadarai a kowace tan na ruwa ya ragu da kusan kashi 18%, kuma fitowar laka ta ragu da kashi 15%; dangane da kyawun muhalli, an sarrafa sauran abubuwan da ke cikin monomer ɗinsa ƙasa da 0.1 mg/L, wanda ya yi ƙasa da ƙa'idar masana'antu. Musamman lokacin da ake kula da najasar hanyar sadarwa ta magudanar ruwa, yana da kyakkyawan ƙarfin buffering don girgizar chromatic kwatsam da ruwan sama mai ƙarfi ya haifar.

Binciken da ake yi a yanzu ya mayar da hankali kan hanyoyi guda uku masu ƙirƙira: masu canza launin ruwan sharar gida na photocatalytic na iya lalata kansu bayan an yi musu magani don guje wa gurɓatawa ta biyu; masu canza launin ruwan sharar gida masu amsawa ga zafin jiki na iya daidaita yanayin kwayoyin halitta ta atomatik bisa ga zafin ruwa; da kuma haɓaka halittu.masu cire launin ruwa daga shara Haɗa ƙarfin lalata ƙwayoyin cuta. Waɗannan sabbin abubuwa suna ci gaba da jagorantar maganin ruwan sharar gida na birni zuwa ga ingantacciyar hanya da kuma kyakkyawan yanayi.