Senzira yakadzikama yekushandisa zviwanikwa zvemvura, solar desalination ine mukana mukuru mukugadzirisa dambudziko rekushomeka kwemvura yakachena uye kuderedza kushomeka kwemvura. Nekudaro, tekinoroji yechinyakare yekuchenesa mvura yegungwa kazhinji ine matambudziko akadai sekushandiswa kwesimba rakawanda, midziyo yakaoma, uye kudhura kwakanyanya.
Mumakore achangopfuura, tekinoroji nyowani yekubvisa salination yakavakirwa pamananomaterials zvishoma nezvishoma yakwezva kutarisisa kwevaongorori. Graphene oxide yakaderedzwa graphene, sechinhu chitsva chemativi maviri, yakaratidza kugona kwakakosha mukubvisa solar desalination.
Kuenzaniswa neyechinyakare desalination coating materials, rGO ine zvakanakira conductivity yakanakisa, yakakwirira chaiyo nzvimbo uye yakanaka kugadzikana kwekemikari, uye inotarisirwa kuvandudza mashandiro emunyu uye kuderedza kushandiswa kwesimba.
Zvisinei, rGO pachayo ine matambudziko ekuunganidzirwa uye kuiswa kwemvura, izvo zvinoderedza kushanda kwayo uye kugadzikana kwayo. Saka, kugadzirisa rGO pazvinhu zvefuro kuti igadzire melamine foam / rGO composite coating kwave nzira inoshanda yekuvandudza kushanda zvakanaka uye kugadzikana kwekubvisa munyu.
Nekugadziriswa kwepamusoro uye nekusimbisa iyo inotakura zvinhu zvefuro zvinhu, isu takafanana takaisa rGO pane furo pamusoro kuti iwedzere nzvimbo yayo yekusangana nemaion emunyu mumvura. Panguva imwecheteyo, chimiro uye ukobvu hweiyo rGO coating inodzorwa kuti iwedzere kuita desalination kushanda uye kugadzikana.
Kuti tiwane kunzwisisa kwakadzama kweiyo desalination mechanism, isu takagadzirirawo yakaderedzwa graphene oxide (rGO) furo. Graphene trioxide-coated melamine foam ine inherent porous microstructure uye hydrophilicity, iyo inoibvumira kuve nekunyorova kwakanaka uye inogona kukwezva mvura kunzvimbo yekubuda, ichibvumira mvura kuti igadzirwe nekukurumidza uku ichidzivirira kunaya kwemunyu.
Iyo interfacial evaporation system yegraphene oxide-coated melamine foam inogona kuwana yakatsiga-state evaporation inoshanda ye89.6% pasi pe1kW m-2 peturu yezuva. Iyi interfacial evaporation system ine yakakwira solar-to-heat shanduko inoshanda uye yakanaka kugadzikana kwenguva refu, ichiratidza mukana wekutengesa mvura yegungwa.
Parizvino, dambudziko resimba repasi rose uye kushaikwa kwemvura zvazova tyisidziro huru kubudiriro inogarika yenzanga yavanhu. Kuzadzisa kudiwa kwesimba kuri kukura, kusimudzira kwakasiyana-siyana kwesimba rekushandura uye matekinoroji ekuchenesa mvura kwave kutariswa zvakanyanya.
Solar powered interfacial evaporation tekinoroji
Sesimba rinovimbisa rinodzokororwa simba, simba rezuva rinokonzerwa nehukuru-hukuru hwekugona, hunhu hwese, hutsanana, uye akawanda-anoshanda ekushandura masimba. Yakaratidza kugona kutsiva mafuta efossil anochengetwa nemafuta efosi.
Pamusoro peiyo solar photovoltaic tekinoroji inogadzira zvakananga simba remagetsi, solar-thermal simba rekushandura tekinoroji inotorawo simba rezuva uye inoshandura kuita simba rinopisa, iro rinoonekwa senzira iri nyore uye inoshanda yekushandisa simba rezuva.
Simba rinopisa rinoshandurwa kubva kusimba rezuva rinogona kutyaira zvakakosha maindasitiri senge solar thermal magetsi zviteshi, solar desalination, sterilization, solar mvura yekudziya masisitimu uye zvimwe zvine chekuita nekupisa. Solar desalination inopa mhinduro inoshanda, kunyanya kunzvimbo dzisina zvivakwa, nekuti inogona kutora mvura yakachena kubva mumvura yegungwa pasina kuwedzera simba rekuisa.
Mumakore achangopfuura, tekinoroji inotungamirwa nesolar-inofambiswa evaporation tekinoroji inowana iyo solar-kupisa kutendeuka maitiro pane yemvura-mhute interface uye yave itsva solar simba rekushandisa tekinoroji. Kuenzaniswa neyechinyakare kusanganisa kudziyisa, interfacial evaporation masisitimu anoratidza yakakwirira evaporation kunyatsoita uye nekukurumidza kupindura kwemafuta uye ndiyo imwe nzira inogoneka yekubvisa mvura yegungwa.
Kusvika pari zvino, zvidzidzo zvakawanda zvakaitwa pakuvandudza mashandiro ekupisa kweiyo interfacial evaporation system. Yakajairika solar-driven interfacial evaporation system ine zvikamu zvitatu zvakakosha:
A solar absorber ane high solar absorption uye zvinobudirira kushandura mwaranzi yezuva kuva kupisa simba; insulator inoendesa kupisa kunoshandurwa kumvura yakawanda; uye nzira yekupa mvura iyo inoramba ichikwevera mvura kubva pamvura yakawanda kusvika pamusoro pemushonga wezuva.
Muzvidzidzo zvekare, vaongorori vakawanda vakazvipira pakuvandudza mashandiro ekushandura simba rezuva kubva kune simba remhepo kuenda kune simba remhepo kuburikidza nekugadzira zvinhu zvinotora simba remagetsi nerezuva, kugadzirisa magadzirirwo enzira itsva dzemvura, uye kuvandudza zvivakwa zvekudzivirira kupisa.
Parizvino, solar-inotyairwa interfacial evaporation masisitimu akashandiswa mune akawanda maindasitiri maitiro, induced solar distillation, solar sterilization, solar desalination uye kugadzirwa kwesimba rezuva. Kuti uwane yakakwira evaporation kuita kweiyo system, zvakakosha kuti uongorore iyo Broadband absorption mhiri kwesolar spectrum yezvinhu zvinotora solar.
Izvo simba rezuva rinotora zvinhu zvakagadziridzwa uye zvakaongororwa mune solar-inotyairwa interfacial evaporation masisitimu anonyanya zvinosanganisira carbonaceous zvinhu, plasmonic particles uye spectrally selecting absorbing materials. Pakati pavo, zvisikwa zvitema uye carbonaceous zvinhu zvine simba rezuva-kupisa kushandura masimba uye akakodzera Broadband uye yakakwirira-yakasimba solar absorbers.
Nekuda kwekukwira kwazvo kunyura kwezuva, mutengo wakaderera, uye kugadzikana kwakanaka, akawanda kabhoni-based solar absorbers akaongororwa, kusanganisira kabhoni nanotubes, graphite, uye yakaderedzwa graphene oxide. Mushure memakore ebudiriro, iyo solar-to-steam shanduko yekushandurwa kwesimba pasi pemasikati yasvika kupfuura 90%.
Kunyangwe pakave nekuvandudzwa kukuru mukugadzira zvinhu zvinotora simba rezuva uye kugadzira zvimiro zvekunyungudusa kwesolar, zvigadziriso zvakambotaurwa zvesolar desalination zvakakonzerwa nekuungana kwemunyu pamusoro peiyo evaporator panguva yekubvisa salination. Iyo yakaunganidzwa munyu inovhara kunyura kwezuva uye inovharira porous evaporator, zvichikonzera kuderera kwezuva-ku-kupisa kutendeuka kushanda zvakanaka uye kushomeka kwekuita evaporation.
Nzira dzechinyakare dzemuviri senge mafungu e ultrasonic uye kunyudzwa mumvura anowanzo shandiswa kubvisa yakaunganidzwa munyu, asi nzira idzi dzinogona kukonzeresa nyore kukuvadza kune interface evaporation chimiro.
Kuti uderedze kuunganidzwa kwemunyu mune inopindirana evaporation masisitimu, zvidzidzo zvakawanda zvakatarisana nekugadzira hydrophobic evaporation. Nekudaro, ma hydrophobic evaporators anodzikamisa kupihwa kwemvura kumusoro, nekudaro ichidzikisa evaporative kuita kweiyo system. Imwe nzira yekugadzirisa dambudziko iri ndeyokushandisa hydrophilic evaporator, iyo inofambisa munyu wakawandisa kubva kumusoro kusvika kumvura yakawanda.
Parizvino, zvidzidzo zvakawanda zvakatarisana nekugadzira hydrophilic evaporators, senge hydrophilic cellulose machira membranes, bepa-based hydrophilic membranes, uye bio-yakafuridzirwa evaporator. Asi kugadzira iyo yakareba yakagadzikana uye inoshanda zvakanyanya solar-driven interfacial evaporation system inoramba iri dambudziko rakakura.
Muchidzidzo ichi, tinoratidza furo rinodzivirirwa nemunyu, rinotora simba rezuva uye rinokurumidza kudzora kupisa rakaderedzwa graphene oxide (rGO) furo resolar-driven interfacial desalination pasi pechiedza chezuva chakaderera-fluorescence.
Muchivako chitsva chine maburi, foam ye hydrophilic melamine (MF) yakasarudzwa sehwaro, iyo isingangowedzere nzvimbo yepamusoro kuti inyudzwe nezuva chete asiwo inowedzera kupararira kwakawanda.
Iyo yepamusoro hydrophilicity uye porosity yeiyo yakaderedzwa graphene oxide-yakavharwa melamine foam inopa yakakwana kunyorova uye fusion ye solar kupisa kutendeuka zone, pamwe nekukurumidza kuzadzazve mvura, uku uchidzivirira kuunganidzwa kwemunyu.
Tichitora mukana wekuita kwepamusoro kweyakaderedzwa graphene oxide-yakavharwa melamine foam, solar-powered interfacial system inokwanisa kushandurudza solar-to-steam rate ye89.6%.
Uyezve, nekubatanidza yakaderedzwa graphene oxide-yakavharwa melamine furo kuita rekutengesa simba rezuva, takagadzira nekugadzira chinotyairwa nesolar chepakati pemvura yegungwa yekubvisa salination mudziyo ine solar-ku-mvura inoshandura inoshanda ye56.4% masikati machena. Nekuda kwesolar desalination, mvura yakachena inounganidzwa ndeyemhando yekunwa inodiwa.
Nekuita kwepamusoro-soro kwekufefetedza uye scalability yezvinhu zvinoshandura solar-to-thermal, iyi sisitimu yesolar-inotyairwa mukati memvura yegungwa yekubvisa salination inopa tarisiro yekushandiswa kwakafara mukushandiswa kunoshanda kwekubvisa mvura yegungwa.
Scalability ye solar desalination kupisa kutamisa zvinhu
Iyo interfacial evaporation system yakavakirwa pakaderedzwa graphene oxide-yakavharwa melamine furo. Ter graphene oxide-coated melamine foam iri pakati uye yakaputirwa nefuro re polyethylene (PE) kunze kuti rivake self-bubble interfacial evaporation system.
Melamine furo rakaputirwa netellurium-rakaderedzwa graphene oxide rinoshandiswa kukurumidza kubata chiitiko mwaranzi yezuva, kushandura simba rezuva kuita kupisa, uye kugadzira simba rinotyaira rekubuda kwekunze. Kune rimwe divi, hydrophilic yakaderedzwa graphene oxide-yakavharwa melamine furo inogona kuramba ichikwevera brine munzvimbo inoputika.
Iyo porous chimiro chegraphene trioxide-yakavharwa melamine foam inobvumira iyo inogadzirwa mhute kutiza ichipinda munzvimbo, ichisimudzira kutorwa kwechiedza chezuva uye nekudaro kuwedzera kushanda kwezuva-ku-kupisa kutendeuka. Iyo yakaderedzwa graphene oxide-yakavharwa melamine foam ine porous uye hydrophilic, ichiibvumira kukwevera mvura mune evaporation chimiro chatsanangurwa pamusoro apa panguva imwe chete ichipwanya yakadzika munyu ichidzokera mumvura yegungwa yakawanda.
Munguva yekubuda kwemvura, huwandu hwemunyu pafuro hwakakwira kupfuura huwandu hwemvura yegungwa iri pasi. Kuchinja kwehuwandu kunoita kuti munyu uputseke uchipinda mumvura yakawanda. Pamusoro pezvo, furo repolyethylene rakatenderedza haringoderedzi chete furo remelamine rakaputirwa negraphene oxide , asiwo rinoungana pachisikigo pamusoro pemvura, zvichidzivirira kurasikirwa nekupisa kunokonzerwa nemvura yemunyu yakapoteredza.
Interface evaporation masisitimu anogona kushanda achienderera uye nemazvo pamusoro pemvura pasina kudiwa kweakaoma ekuvaka madhizaini. Uyezve, sezvo evaporation ichiitika pagasi-mvura yemvura, iyo interfacial evaporation system inogona kufamba yakazvimiririra kana iyo interface yadzikira.
Tellurium-yakaderedzwa graphene oxide-coated melamine foam chinhu chakakosha cheiyo interfacial evaporation system. Melamine furo rakanyudzwa mugraphene oxide colloidal kuturika kugadzirira yakaderedzwa graphene oxide-yakavharidzirwa melamine furo, uye ipapo graphene oxide yakaderedzwa kuita yakaderedzwa graphamini oxide uchishandisa nzira yehydrothermal.
Yakaderedzwa graphene oxide-coated melamine foam ine dhayamita 3.5 cm uye ukobvu hwe 1.6 cm iri nyore kugadzira uye ruvara rwayo rwakadzika dema.
Kushata kwepamusoro peiyo yakaderedzwa graphene oxide-yakavharwa melamine foam material yakaonekwa pachishandiswa matatu-dimensional optical microscope yakaratidza kureba kunodarika 300 μm. Iyo yakakasharara pamusoro pechimiro che solar thermal conversion composites inonyanya kuverengerwa kune porous chimiro che melamine foam, uye yakagadziridzwa yakaderedzwa graphene oxide inowedzerawo kushata kwepamusoro.
Kushata kwepamusoro kunosimudzira nzvimbo yekunyura kwezuva uku ichiwedzera kupararira kwakawanda kwechiitiko chezuva, nekudaro kunatsiridza kushandura kwesolar-to-heat kunyatsoita system. Microstructure yeyakagadzirirwa melamine furo pane akasiyana magnification. Iyo graphene oxide-yakavharwa melamine foam pamusoro inoratidza yakaunyana uye yakabatana network chimiro.
Iyo pore saizi yeRGO-yakavharwa melamine furo iri pakati pe20 ne40 μm. Iyo yakavhurika pore chimiro uye yakaunyana pamusoro inofambisa kuiswa kwegraphene oxide. Iyo yakaderedzwa graphene oxide-coated melamine foam ine mvura yakanaka yekunyorova nekuda kwehydrophilicity yeporous melamine foam.
Kamwe kadonhwe remvura rabata pamusoro peiyo yakaderedzwa graphene oxide-yakavharidzirwa melamine foam, inonyura zvachose mukati memasekondi 0.5. Iyo hydrophilic pamusoro peyakaderedzwa graphene oxide composites inogona kukurumidza kutungamirira mvura mukati meiyo porous chimiro. Iyo porosity yekuderedzwa graphene oxide-yakavharwa melamine foam yakatemwa nekuenzanisa shanduko huru isati yasvika uye mushure mekunyura kwemvura.
Iyo porosity yegraphene oxide-coated melamine foam inogona kusvika 85.55%. Kutorwa kwesimba reSolar nekuderedzwa graphene oxide-yakavharwa melamine foam inokanganisa zvakananga kushanduka kwezuva-ku-kupisa kushanda kweiyo system. Kuti uongorore kuramba kwemunyu, yakaderedzwa graphene oxide-yakavharwa melamine foam yakaiswa mune sodium chloride mhinduro (3.5 wt%).
Zvino 3 g yesodium chloride yakasimba yakaiswa pamusoro pepamusoro uye Tergo-yakavharwa melamine foam yakaiswa pahutsi hwezuva hwe1 kW m-2. Huwandu hwemunyu wakasimba hunonyungudika zvishoma nezvishoma mushure memaminitsi zana nemakumi maviri.
Kana chiedza chezuva chikapenya pamusoro pefoam yemelamine yakaputirwa nerGO , tembiricha yefoam yemelamine yakaputirwa nerGO inokwira nekukurumidza mukati memaminitsi uye inoramba iri pa35°C panguva yese yekubuda kwemvura. Sezvo kunyungudika kwemunyu kunoenderana netembiricha, tembiricha yakakwira, munyu unonyungudika nekukurumidza uye nekudaro iron yemunyu inogona kunyungudutswa mumvura iri pamusoro.
Mune yakaderedzwa graphene oxide-yakavharwa melamine foam, iyo ine akawanda pores ane yakakwira mvura yekunyudza iyo inogona kupa kuenderera kwemvura kusvika pamusoro pepamusoro, munyu unogona kufamba kubva kumusoro kuenda kune sublayer yemvura. Shanduko yetembiricha inotungamira mukushanduka kwemunyu pakati pepamusoro pemvura inoputika uye nemuviri.
Kuti uwane Broadband uye inoshanda solar kunyudzwa kwesimba, melamine foam yakagadziridzwa iine porous hydrophilic melamine foam, nekudaro ichiwedzera iyo solar absorption nzvimbo uye kuwedzera kupararira kwakawanda.
Iyo solar interfacial evaporation system yakavakirwa parGO-yakavharwa melamine foam inoratidza kukurumidza kudziya kwekupisa pasimba resolar density ye1 kW m−2, ichiwana kudzika-tsika-mamiriro ekushanduka kwezuva kwe89.6%.
Pakupedzisira, takabatanidza yakaderedzwa graphene oxide-yakavharwa melamine foam evaporator mune solar ichiri, inogona kuburitsa 56.4% yekunwa mvura ine munyu kuunganidzwa pa1 kW m-2.
Isu tinofungidzira kuti mudziyo wesolar-powered interfacial desalination unogona kushandiswa pazvitsuwa zviri kure kana munyanza kunhonga mvura yekunwa kubva mumvura zhinji yegungwa kana zvimwe zviwanikwa zvemvura yemunyu.
mhedziso
Desalination rGO-yakavharwa melamine foam, seyekuvandudza uye inoshanda solar desalination tekinoroji, ine mukana mukuru uye tarisiro yekushandisa. Haikwanise kungopa zviwanikwa zvemvura inovimbika kunzvimbo dzisina mvura, asi zvakare kuderedza kuvimba nesimba rechinyakare, kuderedza kushandiswa kwesimba uye kusvibiswa kwezvakatipoteredza.
Mhedzisiro yetsvagiridzo iyi ichaita zvakakosha mukugadzirisa dambudziko rekushomeka kwemvura yakachena pasi rose uye kukurudzira kuzadzikiswa kwebudiriro inoenderera.
Kuti uwane rumwe ruzivo nezve SINOYQX Melamine Foam, ndapota taura nesu pa [email protected] kana kutitaurira: +86-28-8411-1861.
Mimwe mifananidzo uye zvinyorwa zvinoburitswa kubva paInternet, uye kodzero yacho ndeyemunyori wekutanga. Kana paine chero kukanganisa, ndapota taura nesu kuti tibvise.