Ukusetshenziswa kweMembrane Filtration Technology kuGraphene

Application of Membrane Filtration Technology in Graphene1

I-Graphene iyinto ethandwa kakhulu ye-inorganic material muva nje, futhi ithole ukunakwa okubanzi kuma-transistors, amabhethri, ama-capacitor, i-polymer nanosynthesis, nokuhlukaniswa kwe-membrane.Izinto ezintsha ezingaba khona zemembrane zingaba isizukulwane esilandelayo semikhiqizo yolwelwesi oluvamile.

Izakhiwo ze-Graphene oxide
I-graphene oxide (GO) ifilimu yekhekheba lezinyosi enezinhlangothi ezimbili ehlanganiswe ungqimba olulodwa lwama-athomu ekhabhoni.Ukwakheka kwamakhemikhali ayo ikakhulukazi akhiwe ama-athomu e-carbon kanye namaqembu asebenzayo aqukethe umoya-mpilo we-polar.I-GO ingenxa yohlobo lwamaqembu asebenzayo aqukethe umoya-mpilo.Futhi ukusatshalaliswa okungacacile kwenza ukwakheka kwawo kwamangqamuzana kube impikiswano.Phakathi kwabo, imodeli yesakhiwo se-Lerf-Klinowski yaziwa kabanzi, futhi kuphetha ngokuthi kunamaqembu amathathu asemqoka asebenzayo ku-GO, okuyiqembu le-hydroxyl ne-epoxy elitholakala phezulu, nalawo atholakala onqenqemeni.i-carboxyl.

I-GO inokwakheka kwepulani enezinhlangothi ezimbili efana negraphene.Umehluko ukuthi i-GO yethula inani elikhulu lamaqembu asebenzayo aqukethe umoya-mpilo endaweni engaphezulu kwe-carbon skeleton ngenxa ye-oxidation, njengokuthi -O-, -COOH, -OH, njll. Ukuba khona kwamaqembu asebenzayo kwandisa ubunkimbinkimbi isakhiwo se-GO.Izendlalelo ze-GO zixhunywe ngenani elikhulu lamabhondi e-hydrogen, futhi ukwakheka kwepulani enezinhlangothi ezimbili kuxhunywe ngamabhondi aqinile e-covalent, okwenza kube yi-hydrophilic ngokwedlulele.I-GO yake yathathwa njengento e-hydrophilic, kodwa i-GO empeleni iyi-amphiphilic, ibonisa ukuthambekela okuguqukayo ukusuka ku-hydrophilic kuya ku-hydrophobic ukusuka onqenqemeni kuya maphakathi.Isakhiwo esiyingqayizivele se-GO siyinikeza indawo enkulu ethile engaphezulu, i-thermodynamics eyingqayizivele Inokubaluleka okuhle kocwaningo kanye namathemba okusebenza emkhakheni webhayoloji, umuthi, nezinto zokwakha.

Ezinsukwini ezimbalwa ezedlule, iphephabhuku eliphezulu lamazwe ngamazwe elithi "Nature" lishicilele inkundla "Ion sieving by cations elawula ukuhlukaniswa kwe-interlayer yamafilimu e-graphene oxide".Lolu cwaningo luhlongoza futhi lubone ukulawulwa okunembile kwe-graphene membranes ngama-ion hydrated, okubonisa ukusefa kwe-ion okuhle kakhulu nokukhipha usawoti emanzini olwandle.ukusebenza.

Ngokusho komkhakha, izwe lami belinakile ucwaningo nentuthuko emkhakheni we-graphene ngaphambilini.Kusukela ngo-2012, izwe lami likhiphe izinqubomgomo ezihlobene ne-graphene ezingaphezu kweziyi-10.Ngo-2015, idokhumenti yokuqala yohlelo lwezinga likazwelonke "Imibono Eminingi Ngokusheshisa Ukuqamba Nokuthuthukiswa Kwemboni ye-Graphene" yahlongoza ukwakha imboni ye-graphene ibe imboni ehamba phambili, futhi kwakhiwe uhlelo oluphelele lwemboni ye-graphene ngo-2020. Uchungechunge lwemibhalo efana nalena. njengoba Uhlelo Lweminyaka Eyi-13 Lweminyaka Emihlanu lufake igraphene emkhakheni wezinto ezintsha ezithuthukiswe ngamandla.I-ejensi ibikezela ukuthi isikali semakethe ye-graphene yezwe lami kulindeleke ukuthi sidlule ama-yuan ayizigidi eziyizinkulungwane eziyi-10 ngo-2017. Ukuthuthukiswa kwemboni ye-graphene kuyakhula ngesivinini, futhi izinkampani ezihlobene nazo kulindeleke ukuthi zihlomule.


Isikhathi sokuthumela: Apr-20-2022
  • Okwedlule:
  • Olandelayo: