Photocatalysts for Water Treatment Applications

Murakaza neza mu bushakashatsi bwacu! Turashimira ubushake bwawe bwo kugabana ibitekerezo byawe n'ubunararibonye.

Guhangayika: Mu gihe tugiye mu isi itangaje ya photocatalysts yo guteza imbere ubuziranenge bw'amazi, igitekerezo cyawe ni ingenzi cyane. Turashaka gukusanya amakuru arambuye ku bicuruzwa bitandukanye bya photocatalytic, imikorere yabo, n'uburyo bwihariye mu kuvura amazi. Ibitekerezo byawe bizagira uruhare mu gusobanukirwa neza uko izi ikoranabuhanga zishobora gufasha gukemura ibibazo bikomeye bijyanye n'ubuziranenge bw'amazi.

Akanya: Turagutumira kugira ngo witabire ubu bushakashatsi mu gusangiza ibitekerezo ku photocatalysts wakozeho. By'umwihariko, turashaka kumenya: titanium dioxide na zinc oxide

Ibitekerezo byawe bizadufasha natwe n'abandi gusobanukirwa n'ubushobozi n'ibishoboka bya photocatalysts mu kuzamura ubuziranenge bw'amazi. Urakoze ku gihe cyawe n'ibyo watanze!

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Ni ibikihe byiciro bya photocatalysts utanga ku buryo bwo kuvura amazi?

Ni izihe mpamvu za photocatalysts mutanga mu bikorwa byo gukuraho amazi?

Ni ubuhe bwoko bwa photocatalysts mutanga ku ngamba zo gusukura amazi?

Urashobora kuduha ibisobanuro byimbitse ku kinyabutabire cy'ibikoresho byanyu by'ubushakashatsi?

  1. diyokside ya titanium (tio₂): iboneka mu buryo bwa anatase (bukoreshwa cyane mu photocatalysis) cyangwa rutile, rimwe na rimwe ikaba yarakoreshejwe ibindi bintu nka nitrogen (n) cyangwa tungsten (w) kugira ngo byongere gufata umucyo w'ibara.
  2. icyuma cya zinc oxide (zno) photocatalysts gikoze muri zn na o, gifite imiterere ya wurtzite n'ikigero cy'ubwiyongere cya 3.2 ev. gukora doping y'ibyuma (fe, cu, ce) cyangwa ibindi bintu bitari ibyuma (n, s), gukora composite (nka zno/tio₂, zno/graphene), cyangwa guhindura ubuso (nka gupfundikira ibyuma by'agaciro) bishobora kuzamura imikorere yabyo. izi mpinduka zongera gufata umucyo, gutandukanya amashanyarazi, no kongera ubushobozi bwa katalitiki.

Ibintu bitera umwanda byakemurirwa na photocatalysts zacu mu kuvugurura amazi?

Ibindi

  1. ibikoresho by'ubuvuzi:

Ubushobozi bwa photocatalysts zacu mu gukuraho ibyonnyi bya organic ni bangahe?

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Ni izihe mpamvu zihariye photocatalysts zanyu zifite mu bikorwa byo kuvura amazi?

  1. tio₂: ubushobozi bwo kurwanya ibinyabutabire, budakomeretsa, bukora neza mu gihe cy'izuba ry'uv. zno: ikoreshwa cyane mu kumurika, ifite ibikorwa byiza byo kurwanya udukoko kurusha tio₂. gukora doping byateye imbere: byongera gufata umucyo w'ibara.
  2. imbaraga z'ubushyuhe bwo guhindura ibintu bituma habaho guhinduka kwuzuye kw'imyanda y'ibinyabuzima.

Ibikoresho byacu byifashishwa mu guhindura ubushyuhe bikora neza cyane mu mwijima wa UV, mu mwijima ugaragara, cyangwa bombi?

Ni ikihe kigereranyo cy’imikorere y’amasoko yica udukoko mu bikorwa bitandukanye by’urumuri?

  1. munsi y'urumuri rwa uv rukomeye (itara rya 365 nm, 10-50 mw/cm²): gukora vuba (90% y'ibyangiza mu masaha 2-3). munsi y'urumuri rw'izuba: zno iraruta tio₂. munsi y'urumuri rwa led rugaragara (450-600 nm): imikorere yaratejwe imbere no kongeramo (nka, n-tio₂, ag-zno).
  2. icyiciro cyo hejuru cyane (akenshi > 90% yo kugabanya ibyangiza mu masaha)

Yego

Niba ari ko bimeze, watanga inyandiko z'ubushakashatsi cyangwa impapuro zigaragaza imikorere yabo?

  1. yego, inyandiko z'ubushakashatsi zashyizwe ahagaragara mu binyamakuru nka applied catalysis b: environmental na journal of hazardous materials zisobanura imikorere ya photocatalysts ya tio₂ na zno.
  2. nta na kimwe

Ni irihe rwego rw'imikorere rwo gukoresha photocatalysts zanyu mu bikorwa byo gukuramo amazi?

  1. icyerekezo cy'urumuri: uv (itara rya hg, uv led) cyangwa izuba. ahantu h'itumanaho: hiyongereyeho amazi binyuze mu mikoreshereze cyangwa nanoparticles ziri mu kirere. ubushyuhe bwiza: 20-40°c. ph: icyiza hagati ya 5 na 9, bitewe n'igikoresho cy'ifotokatalizis.
  2. isoko y'urumuri kugabanuka kwa katalisiti igihe cyo gusubiramo ph igishushanyo mbonera cy'ikigega kugabanuka kw'imyanda ubushobozi bwo kongera gukoreshwa

Ni iyihe dosage isabwa ya photocatalyst ku murongo w'amazi ku liter imwe kugirango haboneke uburyo bwiza bwo kuvura?

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Nigute ibihe by'ibidukikije (nko kuba pH, ubushyuhe, na turbidity) bigira ingaruka ku mikorere ya photocatalyst?

  1. ph: zno ntisukura neza mu bice by'uburozi (hari ibyago byo gusohoka). ubushyuhe: imikorere iriyongera hagati ya 25-40°c. icyuka: ibintu byimuriwe bishobora gukumira umucyo no kugabanya imikorere.
  2. ubukana bwinshi bw'ibintu bitukura bugabanya urumuri rugera mu mazi, bigatuma habaho kugabanya imikorere y'ibikoresho by'ubushakashatsi. hiyongereyeho umusaruro w'ibinyabutabire bya hydroxyl, ariko bishobora kugabanya imikoranire y'ibintu bimwe na bimwe byangiza ibidukikije.

Yego

Ni ubuhe bushobozi bwo kubaho bw'ibikoresho byacu bigira amashanyarazi mu gihe gikomeje gukoreshwa?

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Ese photocatalysts zacu zirashobora kongera gukoreshwa cyangwa gusubirwamo? Niba ari ko bimeze, bite?

  1. yego, binyuze muri: gukora isuku no gukaraba (ku bice bito byibasiwe). gushyushya ku 400-500°c (gukangura ubuso). gusubiramo ibinyabutabire hifashishijwe h₂o₂ cyangwa acide zoroheje.
  2. yego. gukora ubushyuhe: gushyushya ku 300-500°c kugirango ukureho imyanda y'ibinyabuzima. gukora isuku hifashishijwe imiti: gukoresha aside zoroheje (hcl, hno₃) cyangwa ibisubizo by'ibinyabutabire by'ibinyabuzima kugirango ushireho imyanda yo hejuru. gukora ultrasonic: gukoresha sonication kugirango ushireho ibice byahujwe. guhindura hejuru: gushyira urupapuro ku bikoresho nka tio₂ cyangwa gukoramo ibyuma.

Ni izihe ngamba z'umutekano zigomba gufatwa igihe ukoreshwa photocatalysts zawe?

  1. fata nanoparticles ukoresheje ibikapu n'umutaka. irinde guhumeka ivu rya tio₂/zno ryumye. bika kure y'ubushyuhe n'urumuri.
  2. koresha ibikapu, udupfukamunwa, n'amaso y'ubwirinzi mu gihe ugenzura nanoparticles za zno. irinde kuyinjiza mu mwuka cyangwa gukoraho ku mubiri, kuko udukoko duto twa zno dushobora gutera irritation.

Oya

Ni iyihe feedback abakoresha batanga ku byo bahuriyeho n’ibikoresho byabo byo gutunganya amazi?

  1. inyungu: imikorere myiza, igiciro gito, guhuza n'ibinyabuzima bitandukanye by'urumuri. imbogamizi: gukenera gufatanya nyuma yo gukoreshwa mu ishyirwa mu bikorwa, kugabanyuka k'ubushobozi mu mazi yanduye.
  2. ubushobozi bwo hejuru mu gusenya ibinyabutabire byangiza nk'amabara n'imiti. ikora neza mu mwanya wa uv no mu rumuri rubonetse (ku masysteme ya zno yahinduwe). ishobora kongera gukoreshwa no gusubirwamo igihe ikozwe neza.

Nikihe iterambere cyangwa udushya mufite mu rwego rw'ibikora photocatalysts mu gukuraho amazi?

    Ni izihe iterambere cyangwa udushya mwateganya mu ikoranabuhanga ry'imyanda y’amazi hifashishijwe photocatalysts?

    1. photokatalizateri zifite ibinyabutabire (ag, n, c, fe) zikoreshwa mu kumurika kw'urumuri rubonetse. ibikoresho bifite imiterere ya nano (graphene, mofs) kugira ngo byongere imikorere. sisitemu zifatanye zifite filtration y'ibikoresho by'ubukorikori kugira ngo zikumire ikwirakwizwa ry'ibice bya nano.
    2. gukora doping no guhindura uruhare: ongeramo fe, n, cyangwa ag kugirango wongere ubushobozi bwa photocatalytic n'ubukomezi.
    Kora ibyegeranyo byaweSubiza kuri iyi byangombwa