Photocatalysts for Water Treatment Applications

Maraba da shawarwarin mu! Muna godiya da willingness naka na rabawa da mu ilimi da kwarewarka.

Dalili: Yayin da muke zurfafa cikin duniya mai ban sha'awa na photocatalysts don inganta ingancin ruwa, ra'ayinka yana da mahimmanci. Muna fatan tattara bayanai masu inganci akan samfuran photocatalytic daban-daban, tasirinsu, da kuma takamaiman aikace-aikace a cikin sarrafa ruwa. Amsoshinka zasu bada gudummawa wajen fahimtar zurfin yadda wadannan fasahohin zasu taimaka wajen magance kalubale masu mahimmanci na ingancin ruwa.

Kira: Muna gayyatarka ka shiga cikin wannan shawarwarin don rabawa da bayanai akan photocatalysts da ka yi aiki dasu. Musamman, muna sha'awar: titanium dioxide da zinc oxide

Ra'ayinka zai taimaka mana da wasu don fahimtar iyawar da yiwuwar photocatalysts wajen inganta ingancin ruwa. Na gode da lokacinka da muhimman gudummawarka!

don Allah a bar mana imel dinka

Wanne nau'in photocatalysts kuke bayarwa don aikace-aikacen maganin ruwa?

Menene nau'ikan photocatalysts da kuke bayarwa don aikace-aikacen maganin ruwa?

Menene nau'ikan photocatalysts da kuke ba da su don aikace-aikacen gyaran ruwa?

Za ka iya bayyana hadin sinadaran photocatalysts ɗin ku?

  1. titanium dioxide (tio₂): ana samunsa a cikin nau'in anatase (wanda yafi tasiri wajen photocatalysis) ko rutile, wani lokaci ana shafa shi da abubuwa kamar nitrogen (n) ko tungsten (w) don inganta shakar hasken gani.
  2. zinc oxide (zno) photocatalysts suna kunshe da zn da o, tare da tsarin wurtzite da kuma bandgap na kusan 3.2 ev. doping na karfe (fe, cu, ce) ko ba karfe ba (n, s), kafa hadin gwiwa (misali, zno/tio₂, zno/graphene), ko canje-canje na saman (misali, ajiye karfe mai daraja) na iya inganta aikinsu. wadannan gyare-gyare suna kara shan haske, rarrabewar cajin, da ingancin katalitik.

Abubuwan da ke haifar da gurbatawa na Organic

Others

  1. kwayoyin magani:

Yaya ingancin photocatalysts ɗin ku wajen kawar da gurbataccen abubuwa?

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Menene abubuwan musamman da photocatalysts ɗin ku ke da su don aikace-aikacen wanzar da ruwa?

  1. tio₂: babban juriya ga sinadarai, ba mai guba ba, yana aiki sosai a ƙarƙashin uv. zno: yana amsawa fiye da hasken rana, yana da ingantaccen aikin kashe kwayoyin cuta fiye da tio₂. doping mai ci gaba: yana inganta shan hasken da ake gani.
  2. karfin oxidi mai ƙarfi yana ba da damar cikakken mineralization na gurbataccen abubuwa na organic.

Kyakkyawan haske na UV

Menene ingancin photocatalysts dina a cikin yanayin hasken da daban-daban?

  1. a ƙarƙashin hasken uv mai ƙarfi (lamarin 365 nm, 10-50 mw/cm²): gaggawar lalacewa (90% na gurbataccen abu a cikin awanni 2-3). a ƙarƙashin hasken rana na halitta: zno ya fi tio₂ ƙarfi. a ƙarƙashin led mai gani (450-600 nm): inganci ya inganta ta hanyar haɗawa (misali, n-tio₂, ag-zno).
  2. matsakaicin ƙima mai yawa (yawanci > 90% lalacewar gurbataccen abu cikin awanni)

Shin kuna da bayanan aiki ko karatun shari'ar da ke nuna ingancin photocatalysts ɗinku?

Idan haka ne, za ka iya raba takardun bincike ko takardu masu dauke da bayanan game da aikinsu?

  1. eh, labaran kimiyya da aka buga a mujallu kamar applied catalysis b: environmental da journal of hazardous materials suna bayyana aikin tio₂ da zno photocatalysts.
  2. babu

Menene abubuwan da ake bukata don amfani da photocatalysts dinku a cikin hanyoyin maganin ruwa?

  1. tushen haske: uv (fitilar hg, uv led) ko hasken rana. fuskar tuntuɓa: an ƙara tare da ruwa ta hanyar membranes ko nanoparticles da aka dakatar. mafi kyawun zafi: 20-40°c. ph: mafi kyau tsakanin 5 da 9, dangane da photocatalyst.
  2. hasken tushe matsakaicin katala lokacin amsa ph tsarin mai amsa matsakaicin gurbata iyawar sake amfani

Menene adadin da aka ba da shawarar na photocatalyst a kowanne lita na ruwa don samun ingantaccen magani?

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Yaya yanayin muhalli (kamar pH, zafi, da turɓiyya) ke shafar aikin photocatalyst?

  1. ph: zno yana da ƙarancin tsaro a cikin yanayin acidic (hadarin narkewa). zazzabi: ayyuka suna ƙaruwa tsakanin 25-40°c. turbidity: kwayoyin da aka dakatar na iya toshe haske da rage inganci.
  2. babban turɓaya yana rage shigar haske, yana iyakance aikin katali. ana ƙara samar da hydroxyl radical, amma yana iya rage wasu mu'amaloli da gurbataccen abu.

I, eh

Menene matsakaicin tsawon rai na photocatalysts dinku yayin amfani da ci gaba?

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Shin ana iya sabunta ko amfani da photocatalysts ɗin ku? Idan haka ne, ta yaya?

  1. i, ta hanyar: fitar da ruwa da wanke (don ƙwayoyin nan da aka dakatar). tafasa a 400-500°c (sake kunna saman). sake amfani da sinadarai ta amfani da h₂o₂ ko ƙananan acid.
  2. eh. maganin zafi: zafi a 300-500°c don cire datti na organic. wanke kimiyya: amfani da acid mai rauni (hcl, hno₃) ko hanyoyin alkaline don narkar da gurbataccen abu a saman. maganin ultrasonic: sonication don rarraba ƙwayoyin da suka taru. gyaran saman: rufe da kayan kamar tio₂ ko shigar da karafa.

Wane matakan tsaro ya kamata a dauka lokacin amfani da photocatalysts?

  1. yi amfani da safar hannu da maski wajen sarrafa nanoparticles. guji shakar foda mai bushe na tio₂/zno. ajiye a wuri mai nisa daga damp da haske.
  2. yi amfani da safar hannu, mask, da kayan kariya na ido lokacin da kake sarrafa zno nanoparticles. ka guji shakar iska ko kai tsaye ga fata, domin ƙananan ƙwayoyin zno na iya haifar da rashin jin daɗi.

Ee

Menene ra'ayoyin masu amfani da suka bayar game da kwarewarsu da katin photocatalysts na ku a cikin maganin ruwa?

  1. fa'idodi: babban inganci, ƙarancin farashi, dacewa da nau'ikan haske daban-daban. iyakoki: bukatar tacewa bayan amfani a cikin jujjuyawar ruwa, rage inganci a cikin ruwan da ke da hazo.
  2. babban inganci wajen rushewar gurbataccen abu na organic kamar launuka da magunguna. yana aiki yadda ya kamata a ƙarƙashin hasken uv da hasken da ake gani (don tsarin zno da aka gyara). ana iya sabunta shi da kuma sake amfani da shi tare da kulawa mai kyau.

Menene ci gaba ko ƙirƙira da kuke shirin yi a fannin photocatalysts don maganin ruwa?

    Wane ci gaba na gaba ko sabbin fasahohi kuke shirin yi a fannin photocatalysts don magance ruwa?

    1. photocatalysts da aka yi amfani da su (ag, n, c, fe) don kunna hasken gani. tallafawa na nanostructured (graphene, mofs) don inganta inganci. tsarin haɗe-haɗe tare da tacewar membrane don hana yayyafa nanoparticle.
    2. doping da gyaran fuska: kara fe, n, ko ag don inganta ingancin photocatalytic da kwanciyar hankali.
    Ƙirƙiri tambayarkaAmsa wannan fom