Dị ka ụzọ na-adigide isi na-eji akụrụngwa mmiri eme ihe, ịsa mmiri nke anyanwụ nwere ikike dị ukwuu n'ịkwụsị nsogbu nke enweghị mmiri dị ọcha zuru oke na ibelata ụkọ mmiri. Otú ọ dị, nkà na ụzụ ịsacha mmiri mmiri nke ọdịnala na-enwekarị nsogbu dị ka oriri ike dị elu, ngwá ọrụ mgbagwoju anya, na ọnụ ahịa dị elu.
N'ime afọ ndị na-adịbeghị anya, teknụzụ mkpuchi mkpuchi ọhụrụ nke dabeere na nanomaterials ejirila nke nta nke nta dọta uche nke ndị nchọpụta. Graphene oxide belatara graphene, dị ka ihe nwere akụkụ abụọ ọhụrụ, egosila ikike dị ukwuu na ịsa mmiri anwụ.
N'iji ya tụnyere ihe mkpuchi nke omenala, rGO nwere uru nke ezigbo conductivity, ebe dị elu dị elu na nkwụsi ike nke kemịkal dị mma, a na-atụkwa anya na ọ ga-eme ka nrụpụta desalination dịkwuo mma ma belata oriri ike.
Agbanyeghị, rGO n'onwe ya nwere nsogbu nke nchịkọta na itinye ihe, nke na-ebelata ọrụ na nkwụsi ike ya. Ya mere, idozi rGO na ihe ụfụfụ iji mepụta mkpuchi melamine foam /rGO nke mejupụtara ihe aghọwo ụzọ dị irè isi melite arụmọrụ na nkwụsi ike nke desalination.
Site na ngbanwe elu ma na-ewusi ihe ndị na-ebu ihe na-ebu ụfụfụ ike, anyị na-edozi rGO n'otu n'otu n'elu ụfụfụ iji mee ka mpaghara kọntaktị ya na ion nnu dị na mmiri. N'otu oge ahụ, a na-achịkwa ihe owuwu na ọkpụrụkpụ nke mkpuchi rGO iji kwalite nrụpụta desalination na nkwụsi ike.
Iji nweta nghọta miri emi nke usoro ịsacha mmiri, anyị kwadokwara ụfụfụ graphene oxide (rGO) belatara. Ọfụfụ melamine nke nwere trioxide graphene nwere microstructure porous na hydrophilicity, nke na-enye ya ohere ịnweta mmiri dị mma ma nwee ike ịdọta mmiri na mpaghara evaporation, na-ekwe ka mmiri mejupụta ngwa ngwa ma na-ezere ọdịda nnu.
Usoro evaporation interfacial nke graphene oxide mkpuchi melamine nwere ike nweta nrụpụta ikuku ikuku na-akwụghị ọtọ nke 89.6% n'okpuru 1kW m-2 mmanụ anwụ. Usoro evaporation nke ihu a nwere oke ngbanwe nke anyanwụ-na-ekpo ọkụ na nkwụsi ike dị ogologo oge, na-egosi ike maka ịsa mmiri mmiri azụmahịa.
Ka ọ dị ugbu a, nsogbu ike zuru ụwa ọnụ na ụkọ mmiri abụrụla nnukwu ihe iyi egwu na mmepe mmepe obodo mmadụ. Iji gboo mkpa ume na-eto eto, mmepe nke mgbanwe ike dị iche iche na-arụ ọrụ dị elu na teknụzụ dị ọcha mmiri enwetawo nlebara anya na-abawanye ụba.
Teknụzụ evaporation ihu igwe na-akwado anyanwụ
Dị ka isi iyi ume ọhụrụ na-ekwe nkwa, ike anyanwụ bụ n'ihi ikike ya dị ukwuu, ịdị n'ụwa, ịdị ọcha, yana ike ngbanwe ọtụtụ ọrụ. O gosiputara ikike iji dochie mmanụ ọkụ nke mmanụ ọkụ jigidere.
Na mgbakwunye na teknụzụ fotovoltaic nke anyanwụ na-emepụta ike eletrik ozugbo, teknụzụ ntụgharị ike nke anyanwụ na-etinyekwa ike anyanwụ ma gbanwee ya n'ime ike ọkụ, nke a na-ewere dị ka ụzọ dị mfe ma dị irè iji jiri ike anyanwụ mee ihe.
Ike ọkụ na-agbanwe site na ike anyanwụ nwere ike ime ka usoro mmepụta ihe dị mkpa dị ka ọdụ ọkụ ọkụ nke anyanwụ, nkwụsị nke anyanwụ, sterilization, usoro ikpo ọkụ nke anyanwụ na ngwa ndị ọzọ metụtara okpomọkụ. Mkpochapu anyanwụ na-enye ngwọta dị irè, karịsịa maka ebe ndị na-enweghị akụrụngwa, n'ihi na ọ nwere ike wepụ mmiri dị ọhụrụ na mmiri mmiri na-enweghị ntinye ume ọzọ.
N'ime afọ ndị na-adịbeghị anya, teknụzụ ikuku evaporation interfacial nke anyanwụ na-achọpụta usoro ngbanwe nke anwụ na-ekpo ọkụ na ikuku mmiri-ụzuoku wee ghọọ teknụzụ iji ike anyanwụ eme ihe ọhụrụ. E jiri ya tụnyere ikpo ọkụ ọdịnala ọdịnala, sistemu evaporation n'ihu na-egosipụta arụmọrụ evaporation dị elu yana nzaghachi ọkụ ngwa ngwa ma bụrụ ihe ọzọ nwere ike ime maka ịsa mmiri mmiri.
Ka ọ dị ugbu a, e meela ọtụtụ ọmụmụ ihe maka imeziwanye arụmọrụ ọkụ nke sistemu evaporation interface. Sistemu evaporation nke ihu igwe na-anya nke anyanwụ nwere akụkụ atọ dị mkpa:
Onye na-ekpuchi anyanwụ nke nwere oke anyanwụ na-amịpụta ma na-agbanwe radieshon anyanwụ nke ọma n'ime ike ọkụ; ihe mkpuchi nke na-ebufe okpomọkụ gbanwere na nnukwu mmiri; na ụzọ mmiri na-enye mmiri na-aga n'ihu na-adọta mmiri site na nnukwu mmiri na elu nke anyanwụ absorber.
N'ọmụmụ ihe ndị gara aga, ọtụtụ ndị nchọpụta etinyela onwe ha n'ịkwalite arụmọrụ mgbanwe anyanwụ site na steam site na iji ihe ndị na-amịkọrọ ike anyanwụ na broadband, ime ka ụzọ mmiri ọhụrụ dị mma, na imeziwanye usoro mkpuchi okpomọkụ.
Ka ọ dị ugbu a, a na-eji usoro ikuku evaporation nke anyanwụ na-eme ihe n'ọtụtụ usoro mmepụta ihe, na-akpata distillation anyanwụ, sterilization anyanwụ, ịsa mmiri na anyanwụ na ike anyanwụ. Iji nweta oke ikuku evaporation nke sistemu, ọ dị mkpa inyocha nnabata brọdband gafee ụdịdị dị iche iche nke anyanwụ nke ihe na-amịkọrọ anyanwụ.
Ihe ndị na-anabata ike anyanwụ mepụtara na nyocha ya na sistemu ikuku ikuku nke anyanwụ na-achịkarị gụnyere ihe carbonaceous, irighiri plasmonic na ihe na-adọrọ adọrọ nke ukwuu. N'ime ha, ihe okike ojii na carbonaceous nwere ike ngbanwe nke anwụ na-ekpo ọkụ ma dị mma maka brọdband na nnukwu ọkụ anyanwụ.
N'ihi ọnụ ọgụgụ ha dị elu nke anyanwụ, ọnụ ala dị ala, na nkwụsi ike dị mma, a mụọla ọtụtụ ihe na-ekpo ọkụ nke carbon, gụnyere carbon nanotubes, graphite, na mbelata graphene oxide. Mgbe ọtụtụ afọ nke mmepe gasịrị, usoro ntụgharị nke anyanwụ-na-steam nke ọma n'okpuru ìhè ehihie eruola karịa 90%.
Ọ bụ ezie na enweela ọganihu dị ukwuu n'ịzụlite ihe ndị na-etinye ike anyanwụ na ịmepụta ihe dị iche iche nke ikuku evaporation, ngwaọrụ ndị a na-ekwubu na mbụ bụ n'ihi nchịkọta nnu n'elu elu nke evaporator n'oge usoro nsị. Nnu a na-akwakọba na-egbochi mmịpụta anyanwụ ma na-egbochi evaporator porous, na-ebute ngbanwe dị ala nke anyanwụ-na-ekpo ọkụ yana arụ ọrụ evaporation na-adịghị mma.
A na-ejikarị usoro anụ ahụ ọdịnala dị ka ebili mmiri ultrasonic na imikpu mmiri na-ewepụ nnu nnu, ma ụzọ ndị a nwere ike ime ka mmebi nke ikuku evaporation interface ngwa ngwa.
Iji belata mkpokọta nnu n'ime sistemu evaporation interface, ọtụtụ ọmụmụ lekwasịrị anya n'ịzụlite evaporation hydrophobic. Otú ọ dị, ndị na-ekpo ọkụ hydrophobic na-ejedebe mmiri na-enye mmiri n'elu elu, si otú ahụ na-ebelata ọrụ evaporative nke usoro ahụ. Ụzọ ọzọ a ga-esi dozie nsogbu a bụ iji mmiri na-ekpo ọkụ hydrophilic, nke na-ebufe nnu na-esi n'elu elu gaa na nnukwu mmiri.
Ka ọ dị ugbu a, ọtụtụ ọmụmụ ihe lekwasịrị anya n'ichepụta ihe ndị na-ekpo ọkụ hydrophilic, dị ka akpụkpọ anụ cellulose hydrophilic cellulose, akpụkpọ anụ hydrophilic nke akwụkwọ, na ihe ndị na-emepụta ihe na-emepụta ihe. Mana imepe sistemu ikuku ikuku nke anyanwụ na-achị na-arụ ọrụ nke ọma na-adịte aka ka bụ nnukwu ihe ịma aka.
N'ime ọmụmụ ihe a, anyị na-egosipụta nnu na-eguzogide nnu, na-enweta anyanwụ na-arụ ọrụ nke ọma na ngwa ngwa na-anabata ụfụfụ graphene oxide (rGO) maka nkwụsịtụ interfacial nke anyanwụ na-akpata n'okpuru ìhè anyanwụ dị ala.
N'ime usoro oghere ọhụrụ ahụ, a họọrọ ụfụfụ melamine hydrophilic (MF) dị ka ntọala, nke na-agbasaghị naanị ebe elu maka ịmịkọrọ anyanwụ kamakwa ọ na-eme ka ọtụtụ mgbasa dị elu ka mma.
N'elu hydrophilicity na porosity nke mbelata graphene oxide mkpuchi melamine foam na-enye wetting zuru ezu na ngwakọta nke anyanwụ okpomọkụ mgbanwe mpaghara, nakwa dị ka ngwa ngwa replenishment nke mmiri, na-ezere mkpokọta nke nnu.
N'iji uru dị elu nke mbelata graphene oxide mkpuchi melamine foam, usoro ihu igwe na-arụ ọrụ nke anyanwụ na-enwe ike nke mgbanwe mgbanwe anyanwụ na-esi na steam nke 89.6%.
Ọzọkwa, site na ijikọ ụfụfụ graphene oxide mkpuchi melamine belatara n'ime ike anyanwụ nke azụmahịa, anyị chepụtara ma mepụta ngwaọrụ ikuku mmiri na-ekpo ọkụ na-eme ka anyanwụ na-arụ ọrụ nke nwere ngbanwe nke anyanwụ na mmiri nke 56.4% n'okpuru ìhè ehihie. N'ihi ịsa mmiri nke anyanwụ, mmiri dị ọcha anakọtara bụ ihe a chọrọ ịṅụ.
Site na arụmọrụ evaporation dị elu na scalability nke ihe ngbanwe nke anyanwụ na-ekpo ọkụ, usoro a maka ịsacha mmiri mmiri na-eme ka anyanwụ na-enye ohere ngwa ngwa na ngwa bara uru nke mmiri mmiri mmiri.
Scalability nke anyanwụ desalination okpomọkụ nnyefe ihe
Usoro evaporation nke ihu na-adabere na ụfụfụ melamine nwere mkpuchi graphene oxide belatara. Ụfụfụ melamine nke nwere graphene oxide dị n'etiti ma jiri oyi akwa polyethylene (PE) kechie ya n'èzí iji wuo sistemu ikuku ikuku nke onwe ya.
A na-eji ụfụfụ melamine kpuchie ya na tellurium-reduced graphene oxide na-etinye ngwa ngwa ngwa ngwa radieshon anyanwụ merenụ, gbanwee ike anyanwụ ka ọ bụrụ okpomoku, ma mepụta ike na-ebufe ikuku n'etiti ihu. N'aka nke ọzọ, hydrophilic belatara graphene oxide mkpuchi melamine ụfụfụ nwere ike na-adọta brine na mpaghara evaporation.
Ọdịdị dị nro nke graphene trioxide mkpuchi melamine foam na-enye ohere ikuku na-emepụta ka ọ gbaba na gburugburu ebe obibi, na-akwalite njide nke ìhè anyanwụ ma si otú ahụ na-amụba arụmọrụ nke ntụgharị anyanwụ na-ekpo ọkụ. Mbelata graphene oxide mkpuchi melamine foam na-agbaji na hydrophilic, na-enye ya ohere ịdọrọ mmiri n'ime usoro evaporation nke akọwara n'elu ebe n'otu oge na-agbajikwa nnu gbanyere mkpọrọgwụ n'ime nnukwu mmiri mmiri.
N'oge usoro ịfụ mmiri, ntinye nnu na ụfụfụ ahụ dị elu karịa ntinye mmiri oké osimiri dị n'ala. Mgbanwe na ntinye nnu na-eme ka nnu gbawaa n'ime mmiri buru ibu. Na mgbakwunye, ụfụfụ polyethylene gbara ya gburugburu anaghị ebelata naanị ụfụfụ melamine nke graphene oxide kpuchiri , kamakwa ọ na-agbakọta n'elu mmiri, na-egbochi mfu okpomọkụ nke mmiri nnu gbara ya gburugburu kpatara.
Usoro evaporation interface nwere ike ịrụ ọrụ na-aga n'ihu na nke ọma n'elu mmiri na-enweghị mkpa maka nhazi ihe owuwu dị mgbagwoju anya. Ọzọkwa, ebe ọ bụ na evaporation na-apụta na ikuku mmiri mmiri gas, sistemu evaporation nke ihu nwere ike ịkwaga n'onwe ya mgbe interface ahụ na-ala azụ.
Mkpuchi ụfụfụ melamine graphene oxide na-ebelata Tellurium bụ isi ihe dị na sistemu evaporation nke ihu. A na-emikpu ụfụfụ melamine na graphene oxide colloidal nkwusioru iji dozie ụfụfụ melamine nke graphene oxide na-ebelata, wee belata graphene oxide n'ime graphamine oxide belata site na iji usoro hydrothermal.
Mbelata graphene oxide mkpuchi melamine nke nwere dayameta nke 3.5 cm na ọkpụrụkpụ nke 1.6 cm dị mfe imepụta na agba ya dị oji.
Ihe siri ike nke elu nke ihe mbelata graphene oxide mkpuchi melamine nke a hụrụ site na iji microscope anya akụkụ atọ gosipụtara mgbanwe dị elu karịa 300 μm. A na-ekwu na usoro dị n'elu ala siri ike nke ihe mgbagwoju anya nke anyanwụ na-adabere na nhazi nke ụfụfụ melamine, na graphene oxide gbanwetụrụ na-eme ka ọ dịkwuo elu.
Ọdịiche dị n'elu na-eme ka mpaghara mmịpụta nke anyanwụ na-amụba ebe ọ na-abawanye ọtụtụ mgbasa nke ìhè anyanwụ merenụ, si otú a na-eme ka ngbanwe nke anyanwụ na-ekpo ọkụ nke sistem. Microstructure nke ụfụfụ melamine a kwadebere na ọkwa dị iche iche. N'elu ụfụfụ melamine nke graphene oxide na-egosiputa nhazi netwọk gbakọtara na njikọ jikọtara ọnụ.
Ogo pore nke ụfụfụ melamine nke rGO nwere mkpuchi dị n'etiti 20 na 40 μm. Ọdịdị oghere oghere na elu wrinkled na-akwado ntinye nke graphene oxide. Mbelata graphene oxide mkpuchi melamine foam nwere ezigbo mmiri wettability n'ihi hydrophilicity nke ụfụfụ melamine porous.
Ozugbo mmiri mmiri metụrụ n'elu ụfụfụ melamine nke graphene oxide kpuchiri ebelata, ọ na-abanye kpamkpam n'ime 0.5 sekọnd. N'elu hydrophilic nke mbelata graphene oxide composites nwere ike iduzi drainage ngwa ngwa n'ime ihe owuwu porous. Achọpụtara porosity nke ụfụfụ melamine nke graphene oxide na-ebelata site n'ịtụle mgbanwe mgbanwe dị ukwuu tupu na mgbe mmịnye mmiri gasịrị.
Porosity nke graphene oxide mkpuchi melamine ụfụfụ nwere ike iru 85.55%. Mmụba ike anyanwụ site na mbelata graphene oxide mkpuchi melamine na-emetụta kpọmkwem ngbanwe nke anyanwụ na-ekpo ọkụ nke sistem. Iji nyochaa nguzogide nnu, a na-etinye ụfụfụ melamine nke graphene oxide na-ebelata na ngwọta sodium chloride (3.5 wt%).
Mgbe ahụ, a na-etinye 3 g nke sodium chloride siri ike n'elu elu ma tinye ụfụfụ melamine nke Tergo na-etinye na njupụta anyanwụ nke 1 kW m-2. Ọnụ ọgụgụ nke nnu siri ike nke nta nke nta na-agbaze mgbe nkeji 120 gasịrị.
Mgbe ìhè anyanwụ na-enwu n'elu elu nke ụfụfụ melamine a kpuchiri rGO , okpomọkụ nke ụfụfụ melamine a kpuchiri rGO na-ebili ngwa ngwa n'ime nkeji ole na ole ma na-anọgide na 35°C n'oge usoro mwepụ. Ebe ọ bụ na nnu na-agbaze dabere na okpomọkụ, ka okpomọkụ dị elu, otú ahụ ka nnu na-agbaze ngwa ngwa, ya mere a pụrụ ịgbaze ígwè nnu ọzọ n'ime mmiri dị n'elu.
Na ụfụfụ melamine mkpuchi graphene oxide belatara, nke nwere ọtụtụ pores nwere ikike nnabata mmiri dị elu nke nwere ike inye mmiri na-aga n'ihu n'elu elu, nnu nwere ike isi n'elu elu gaa na sublayer nke mmiri. Mgbanwe okpomọkụ na-eduga na mgbanwe salinity n'etiti elu evaporation elu na ahụ.
Iji nweta brọdband na nnabata ike anyanwụ nke ọma, a gbanwere ụfụfụ melamine site na foam hydrophilic melamine porous, si otú ahụ na-abawanye ebe elu nke anyanwụ na-amụba ma na-amụba ọtụtụ mgbasa.
Usoro evaporation nke anyanwụ na-adabere na ụfụfụ melamine nke rGO na-egosipụta nzaghachi ọkụ ngwa ngwa na njupụta ike anyanwụ nke 1 kW m-2, na-enweta ngbanwe nke okpomọkụ nke anyanwụ na-akwụ ụgwọ nke 89.6%.
N'ikpeazụ, anyị jikọtara mbelata graphene oxide mkpuchi melamine evaporator n'ime anyanwụ ka, nke nwere ike iwepụta mmiri ọṅụṅụ 56.4% na nnu nnu na 1 kW m-2.
Anyị na-atụ anya na a ga-eji ngwaọrụ a na-eme ka ihu igwe na-eme ka anwụ ghara ịdị n'otu n'àgwàetiti ndị dịpụrụ adịpụ ma ọ bụ n'oké osimiri iji nakọta mmiri ọṅụṅụ site n'ọtụtụ mmiri mmiri ma ọ bụ mmiri nnu ndị ọzọ.
mmechi
Ọfụfụ melamine nwere mkpuchi rGO, dị ka teknụzụ na-eme ka anwụ dị ọhụrụ na nke na-arụ ọrụ nke ọma, nwere ikike dị ukwuu na atụmanya ngwa. Ọ bụghị naanị na ọ ga-enye ihe mmiri ọhụrụ a pụrụ ịdabere na ya maka ebe mmiri na-adịghị, kamakwa ọ na-ebelata ịdabere na ike ọdịnala, belata oriri ike na mmetọ gburugburu ebe obibi.
Nsonaazụ nke nyocha a ga-enye aka dị mkpa iji dozie nsogbu ụkọ mmiri mmiri zuru ụwa ọnụ ma kwalite mmezu nke mmepe na-adigide.
Maka ozi ndị ọzọ gbasara SINOYQX Melamine Foam, biko kpọtụrụ anyị na [email protected] ma ọ bụ kpọọ anyị oku: +86-28-8411-1861.
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