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Mune iri basa, rgo / Nzvam composites yaive yakanyorwa kekutanga kushandisa maitiro ari nyore uye akatozvirambadzira Zvishandiso zvakati wandei zvakashandiswa kusimbisa iyo yakabudirira synthesis yemakompositi, yakadai se semesi, edx, xps, xps, ftA, iyo inokwanisa, iyo inoratidza fungidziro yakabudirira. Kubviswa kwekubviswa kweiyo notel compositite uye yakachena nenhamba dzakasiyana-siyana kutanga kweiyo mishonga inorwisa mabhakitiriya yakafananidzwa nekuferefeta synergistic. Pasi pemamiriro ekunze e25mg L-1, 25 ° C uye 0,05g, iyo ADSorptive Rate yeDoxycycline neRgo / Nzvakaunganidzwa Yakasvika 94.6%, ichisimbisa kuti vanhu uye rgo. Iyo AdSorption process inoenderana neye pseudo-yechipiri kuzivisa uye iri muchibvumirano chakanaka nemhando yeFreundlich neyekuwedzera ne13.61 mg g-1 pa ph 7 Uye zvakare, kudzoreredza kweRGO / Nzvinite Composite kwaive 60% mushure mekutevedzana vatevedzere kutevedzana.
Kushomeka kwemvura uye kusvibiswa ikozvino ikozvino kutyisidzira kwakakura kune nyika dzese. Mumakore achangopfuura, kusvibiswa kwemvura, kunyanya kurwisa kurwisa mabhakitiriya, kwakawedzera nekuda kwekuwedzera kugadzirwa uye kuputika panguva yeiyo Chand- 19 Pandemic1,2,2. Naizvozvo, kuvandudzwa kwehunyanzvi hunoshanda hwekubviswa kwemishonga inorwisa mabhakitiriya mumatambudziko ibasa rekukurumidzira.
Imwe yeiyo inodzivirira semi-synthetic mishonga kubva kuTetracycline Group is Doxycycline (DC) 4,5. Izvo zvataurwa kuti Dces
Kuratidzwa kuDC pamazinga akaderera kunogona kuuraya mateorms's Temicorms Kushatisa kwechisikigo kweDC mumvura inzira inononoka kwazvo. Physico-makemikari maitiro akadai sepikicha Nekudaro, iyo yehupfumi zvakanyanya, yakapusa, ine hushamwari, zviri nyore kubata uye nenzira inoshanda ndeyekunyorera inyonge50,10.
NO zvino Zero Valent Iron (Nzvvheni) chinhu chine simba kwazvo chinogona kubvisa mishonga yakawanda kubva kumvura, kusanganisira metronidazole, siazepam, ciprofloxacin, chloramphenceol, uye tetracycline. Kugona uku kunokonzerwa nezvinhu zvinoshamisa izvo Nzvakaitika, sekusangana kukuru, nzvimbo yakakura, uye yakawanda yekunze inosunga sites11. Zvisinei, Nzvinowedzera kuunganidzwa mumakwikwi ezvemitambo nekuda kweVana Mauto eVer Iyo Agglomeration yezvinenge zvimedu zvinogona kuderedzwa nekugadzirisa nzvimbo yavo ne surfers
Grapheene ndeyemaviri-dimusi carbon nanomaterial inosanganisira yeSp2-hybridized kabhoni maatomu akarongwa muuchi honeycom. Iyo ine nzvimbo yakakura pamusoro, simba rakakura rezvemakaniki, rakanyanya kuwanda rekuita, nekukwira kwemagetsi, uye zvinhu zvakakodzera zvekutakura kutsigira inorganic naneparticles pamusoro payo. Iko kusanganiswa kwesimbi Naneparticles uye graphene kunogona kupfuura zvakanakira zvechimwe chinhu uye, nekuda kwenzvimbo dzenyama dzemuviri uye nemakemikari, ipa kugoverwa kwakakwana kweNanoparticles yekubatwa kwemvura yakawanda.
Kudyara Kunobuda Ndege dzakanakisa kune zvinokuvadza kumakemikari zvinowanzoshandiswa muSynthesis yeSynthesis exide Semvura flavononline uye zvataurwa nemakomisheni anoitawo sedhizimusi. Naizvozvo, Atriplex haimus L. Leaf inobvisa sekushandiswa kwekugadzirisa uye kuvhara mumiririri weiyo synthesis ye rgo / nzvi composites muchidzidzo ichi. Atriplex haimus kubva kumhuri amaranthaceae ndeye nitrogen-love erennial shrub ine yakakura geographic range16.
Maererano nemabhuku aripo, Atriplex halimus (A. Halimus) akatanga kushandiswa kugadzira rgo / nengvi composites senzira yehupfumi uye yemamiriro ekunze ane hushamwari. Nekudaro, chinangwa cheiri basa rine zvikamu zvina: (1) Phytosynthesis of RGo / Nzvaray Composites, (3) Dzidza maitiro avo ekubudirira kuti adzorere Doxycycline Antibviotic Pasi peMatanho akasiyana siyana, isairira mamiriro ezvematongerwo enyika, (3) kuongorora manyorerwo emidziyo mune dzakasiyana siyana dzinoenderera mberi mushure mekutenderera kwekuita.
Doxycycline Hydrochloride (DC, mm = 480.90, Chemical FomuLCLRate (98%), Graph3 Sodium Hydroxide (Naoh, 97%), ethanol (C2H5OH (C2H5OH, 99.9%) uye hydrochloric acid (HCL, 37%) yakatengwa kubva kumamita, USA. NACL, KCL2, MNCL2 uye MGCL2 yakatengwa kubva kuTianjin comical Comical Reagent Co. Mvura yakapetwa kaviri yakashandiswa kugadzirira ese mhinduro.
Mumiriri wemifananidzo weA. Himlimus akaunganidzwa kubva munzvimbo dzavaigara muNile Delta nenyika mumhenderekedzo yeMedhiya yeEgipita. Zvitima zvakaunganidzwa zvinoenderana nezvirevo zvepasirese uye zvepasi rose17. Prof. Manal Fewzi akazivisa zvirimwa zvichienderana neBoulos18, uye Dhipatimendi rezvemamiriro ekunze eAlexandria University inopa muunganidzwa wechidyarwa. Sampula Vouchers inoitirwa kuTanta University Herbarium (Tane), vouchers nos. 14 122-14 127, Herbarium yeruzhinji rinopa mukana wekuisa zvinhu. Pamusoro pezvo, kubvisa guruva kana kucheka mashizha echinyakare kuita zvidimbu zvidiki, svina katatu katatu ne tinya uye yakadzikira mvura, uye wozomesa pa50 ° C. Chirimwa chakapwanywa, 5 g yeupfu hwakanaka hwakanyudzwa mumvura zana emvura yakadzingwa uye yakamutswa pa 70 ° C for 20 min kuti uwane chinobviswa. Iyo yakawanikwa inotora Bacillus Nicotanae yakadzivirirwa kuburikidza nehombodo yefirita uye yakachengetwa mumabhubhu akachena uye akasvibira c ° C kuti ishandiswe.
Sezvinoratidzwa mumufananidzo 1, enda wakagadzirwa kubva kugreshite poda neiyo yakagadziridzwa hummers nzira. 10 MG yekuenda powder yakavharidzirwa mumvura makumi mashanu yemvura yemvura kwemakumi matatu emaminitsi pasi pemvura, uyezve 00 g ye fecl3 uye 2.9 g ye facc3 uye 2.9 g ye nAac yakasanganiswa makumi matanhatu emaminitsi. 20 ML yeAtriplex Leaf inowedzerwa yakawedzerwa kune yakakurudzirwa mhinduro nekumutsa uye kuruboshwe pa80 ° C kwe8 maawa. Iko kusviba dema kumiswa kwakasviba. Iwo akagadzirirwa nanocomposites akagezwa neEthanol uye yakavezwa mvura uye yaoma mune vacuum oveni pa50 ° C kwemaawa gumi nemaviri.
Schematic uye digital mafoto eGreen synthesis of RGo / Nzvako uye Nzvemani Complexes uye Kubviswa kweDC Antibotic
Muchidimbu, sezvakaratidzwa muPi. 1, 10 ml yeiyo simbi chloride ine 0.05 m fe3 + ipo pakawedzerwa mwero, iyo yakabva yasvibiswa katatu. a vacuum oveni at 60 ° C. Overnight.
Slant-Synthesisised RGo / Nzvam composites dzakaratidzwa neUV-Spectroscopy (T70 / TAV Spectrophotsers Kuti uongorore tography uye saizi yekuparadzira rgo / nzvilditues Kuti uongorore mapoka anoshanda anogona kubatanidzwa mune zvinodyarwa anowana mhosva yekupora uye stabiliation maitiro, ft-ir spectroscopy yakaitwa (Jasco Spectrometer mune iyo 4000-600 cm-1). Mukuwedzera, zeta zvingangogona kuongorora (Zetasizer Nicha Malvern) yaishandiswa kudzidza iyo yekuchaira yeSanomatiki yeNanomeri. ZveX-Ray Fifraction zviyero zveNowred Nanomaterials, X-Ray Diffracometer (x'Pert Provaterometer (X'pert Proverometheser Iyo Energy Inopararira X-Ray Spectrometer (Edx jeol JSM-IT100) YAKABVUNZWA SEX SEXTRUMICE, USA) YEMAHARA YEMABHUKU Iyo powder sampuro yakamanikidzwa mumubatiri wemuenzaniso, iyo inoiswa mumukamuri wecuum. Iyo c 1 s spectrum yakashandiswa seyenoreva na 284.58 V Kuziva simba rekusunga.
Mhedzisiro yeAdsorption yakaitwa kuti iedze kushanda kwekushanda kweiyo synthesised rgo / Nzviconomposites mukubvisa doxycycline (DC) kubva pamvura mhinduro. Mhedzisiro yeAdsorption yakaitwa muna 25 ml erlenmeyer flasks pakunyora kwe200 RPM pane imwe shker Kuti uongorore mhedzisiro yeRGO / NSVI DOSAGE PAMUSORO PAMUSORO PAKUTI, NUCOMCOMPANITI ZVEKUSHURE (0.01-0.07 G) zvakawedzerwa kusvika 20 mL ye20 mL solid solution. Kuti udzidze kinetics uye adsorption isotherms, 0.05 g yeAdsorbent yakanyudzwa mumhedzisiro mhinduro yeCD ine yekutanga kusangana (25-100 mg l-1). Mhedzisiro yePH pane kubviswa kweDC yakadzidzwa paPH (3-11) uye yekutanga kusangana kwe50 mg L-1 pa 25 ° C. Gadzirisa iyo pH yeiyo system nekuwedzera zvishoma huwandu hweHCL kana yaOOO Solution (Cronon Ph Meter, Ph Meter, Ph Mita 25). Uye zvakare, pesvedzero yekudzidzira tembiricha pane adsorption kuedza mumhando ye25-55 ° C yakafemerwa. Mhedzisiro yeIonic Simba pane Adsorption process yakadzidzwa nekuwedzera kwakasiyana-siyana kweNacl (0.01-4 MG ye40 mg L-1, pH CVE. Iyo AdSorption yeNon-Adsorbed DC yakayerwa uchishandisa Dual Beamp Iyo muzana yekubviswa kweDC mantrontabiotic (r%; eq. 1) uye iyo adsorption huwandu hweDC, qt, eq. 2 (mg / g) yakayerwa uchishandisa inotevera equation.
Where% r iri kubviswa kweDC yekubvisa (%), CO ndiyo yekutanga dc constrenration panguva 0, uye c ic dc containtration panguva t, zvichiteerana (mg l-1).
Iko Qe iyo huwandu hwe dc adsorbed per unit mazeya eAdsorbent (MG G-1), CE ICE mhinduro (L), uye m), mg ndiyo adsorption masendimita (g).
Mifananidzo yemanzi Uyezve, pane mamwe manyoro mune rgo shizha, achisimbisa kubviswa kweiyo oksijeni-ine mapoka panguva imwe chete nekudzoreredzwa kweA. Himlus Enda. Aya mahombekombe makuru anoita se sites yekushambadzira loading yesimbi NPS. Nzvemifananidzo (Fig. 2d-f) yakaratidza kuti iyo simbi yesimbi yeiyo yakapararira uye haina kuwirirana, iyo inokonzerwa nemhando yekubatanidza yezvigadzirwa zvebotanti. Kukura kwehukuru kwakasiyana mukati megumi nemashanu. Nekudaro, mamwe matunhu ane mesoupopus morphousy ane chimiro chemabulo uye cavvies, iyo inogona kupa yakakwira adsorption kugona kweNzvi, sezvo ivo vanogona kuwedzera mukana wekutengesa mhandara dc precules pamusoro peNzvidho. Kana iyo Rosa Digascus yaishandiswa iyo Synthesis yeNidhi, iyo inowanikwa NPS yaive inhomoneous, ine maumbirwo akasiyana-siyana, izvo zvakaderedza kushanda kwavo muCr (vi) adsorption uye kuwedzera nguva yekuita 23. Mhedzisiro yacho inowirirana neNVVE yakanyorwa kubva kuOak uye mumhizha yemashizha, ayo anonyanya kuderera nanoparticles ane akasiyana-siyana nanometer asina kujairika asina kujairika.
Sem mifananidzo ye rgo / nzvi (ac), Nzv (d, e) manyama uye edx patterns of Nzvevhi (g) uye nen).
Iyo Elemental kuumbwa kwezvirimwa-synthesized rgo / vanhu uye nzvi manyoro akadzidziswa uchishandisa EdX (Fig. 2G, H). Zvidzidzo zvinoratidza kuti Nzvinoumbwa neCarbon (38.29% neMisa), Oxygen (47.41% neShona), asi zvimwe zvinhu zvakadai sePhonzorus: Uye zvakare, iyo yakakwira muzana yekabhoni uye oksijeni inokonzerwa nekuvapo kwemaphytochemicals kubva pakurima zvinobuda mune subasurface vanhu samples. Izvi zvinhu zvakanyatso kugoverwa pane rgo asi mune dzakasiyana ratios: C (39.16 wt%), o (10.99 wt%) Iyo yazvino C: o Ratio uye Iron Zvemukati muRGO / NZVECEMITE uchishandisa A. Himlimus iri nani pane yeC (23.44 wt.%), O (68.29 wt.%) Uye fe (8.27 wt.%) %%%%)%%). wt%) 25
Iyo morphology yeNVVE yakanyorwa muzvirimwa (Fig. S2a, b) yakaenzana neyekukura, Izvi zvinonyanya kufarirwa uye chidimbu chetheni chimiro chiri muchibvumirano chakanaka nemhedzisiro yemamita. Kuona kwakafanana kwakawanikwa naAbrefatah et al. Muna 2021 apo Castor Bean Leaf inobvisa yakashandiswa muSynthesis yeNzvi11. RELAS TIBEROSA LEAFT OFT NPS inoshandiswa seyekudzora mumiririri muNzviwo ane chimiro chemagetsi chine dhaya ye20 kusvika ku40 nm26.
Hybrid RGE / Nzvam composite tem mifananidzo (Fig. S2C-D) yakaratidza kuti rgo ndege ine marginal colds uye mapundu anopa nzvimbo dzakawanda dzekutakura nzvimbo dzeNzvidho ens; Iyi lamellar morphology inosimbisa zvakare fungidziro yakabudirira ye rgo. Mukuwedzera, Nzvavaka vane chimiro chemahara neyechikamu che5,32 kusvika 27 nm uye vakamanikidzwa mune rgo rgo neyekupararira yunifomu. Eucalyptus shizha rinobuda rakashandiswa kuSynthesze Fe NPS / RGL; Mhedzisiro yacho yakasimbisawo kuti marowa mune rgo ranga rakavandudza kupararira kwee nPs kupfuura kutyisa kwepamusoro Mhedzisiro yakafanana yakawanikwa neBagshri et al. 28 Kana iyo composite yakavezwa uchishandisa Ultrasonic maitiro ne Avhareji Iron Nanoparticle saizi yeanenge 17.70 nm.
Iyo ftir spectra yeA. Harisus, Nzvangu, enda, rgo, uye rgo / nzvamambo dzinoratidzwa mumaonde. 3a. Kuvapo kwemavheni emusoro anoshanda mumashizha eAL. Himlimus anoonekwa na333, ayo anoenderana naPolyphenols, uye 1244 cm-1, inoenderana nemapoka eCarbononyl anogadzirwa neProtein. Mamwe mapoka akadai seAlkanes pa 2918 cm-1, alkenes pa 1647 cm-1 uye co-o-o-Com-o-o-Com-o-Com Kazhinji, iyo spectra yeNzvidho inoratidza kuti kusatora kwakafanana kwakadzika shuwa shuga dzinovava, asi nenzvimbo yakatemwa zvishoma. Bhendi rakanyanya rinoonekwa pa3244 CM-1 rakabatana neHOm rinotambanudza cm-1, zvichiteerana13. Iyo ftir spectrum yeGodhi inoratidza kuvapo kwevazhinji veokisijeni-vane mapoka, kusanganisira iyo alkoxy (Co) Gumi yeCm-1, COOTE (CO) CM-1, C = D = D = D = D = DI. Bhandi reC = CT kutambanudza vibrations pa 1619 CM-1, bhendi pa1908 cm-1 neyakawoneka kweboka renyaya Paunenge uchienzanisa RGE uye RGO / NZVECOMITIES NENYAYA YEMADZIMAI YAKABVUNZWA Mapoka eokisijeni, dzakadai Akanyangarika, achiratidza kubviswa kwakabudirira kweokisijeni-ine mapoka anoshanda anoenda neA. Himlus Extract. New Sharp hunhu Peaks yeRGO paC = C tension inoonekwa dzakatenderedza 1560 uye 1405 cm-1, iyo inosimbisa kuderedzwa kwekuenda ku rgo. Kusiyana kubva pa1043 kusvika 1015 cm-1 uye kubva pa982 kusvika 981 kusvika 918 cm-1 yakaonekwa, pamwe nekuda kwekubatanidzwa kwekushandiswa kwezvinhu31,32. Weng et al., 2018 akacherechedza zvakare kukwezva mapoka eokisijeni ekuenda, sezvo eucalyptus gadziriso, yairatidza kuderedzwa kweiyo cliphene oxide. 33.
A. ftir spectrum of gallium, nevanhu, rgo, enda, composite rgo / vanhu (a). Roentgenogrammy composites rgo, enda, vanhu uye rgo / vanhu (b).
Kuumbwa kweRGo / Nzvara uye Nzvamambo vakanyanya kusimbiswa ne x-ray difraction mapatani (Fig. 3b). Yakakwira-yakakwira fef yepamusoro yakaonekwa pa244.5 °, inoenderana neIndex (110) (JCPPDs no. 06-0696) 11. Imwe Peak pa 35.1 ° ye (311) ndege inofungidzirwa kuti Magineti Fe3o4, 63.2 Iyo X-ray maitiro ekuenda inoratidza peturu yakapinza pa21: 10,3 ° uye imwe penhengo yegirazi uye ichiratidza kuvapo kwemapoka eokisijeni ari pamusoro peGO35. Composite mapatani eRGE uye RGE / Nzvakarekodha kutsakatika kwehunhu hwehunhu uye kuumbwa kwezvibodzwa zvezviuru. Nekudaro, mune iyo composite rgo / Nzvemail, mamwe mapepa ane mapepa ane lattice efela (110) uye BCC fe0 (200) akacherechedzwa na44.9 \ ((^ \ ((^ \ (^ ... \ circ \ (... \ circ \), zvichiteerana.
Iyo Zeta inogona kugona pakati peiyo ionic layer yakasungirirwa pamusoro pechikamu uye mhinduro yemukati inosarudza iyo yemagetsi yezvinyorwa uye kuyera kugadzikana kwayo37. Zeta zvingangoongororwa zvezvirimwa zvezvirimwa-enda, enda, uye rgo / nzVumabhii zvakaratidza kugadzikana kwavo. . Mhedzisiro dzakadaro dzinoenderana nemishumo yakati wandei inotaura kuti mhinduro dzinoverengeka dzine zviyero zviyero zvishoma pane -25 mv kazhinji ratidza degree rakakwira nekuda kweElectrostatic kudzora pakati pezvidimbu zvevakarongedzwa. Iko kusanganiswa kweRGE uye Nzvinotendera kuumbwa kuti uwane zvakashata zvakashata uye nekudaro zvine kugadzikana kwakanyanya kupfuura kuenda kana vanhu voga. Naizvozvo, chiitiko chekudzora kwemagetsi chinounza kuumbwa kwenzvimbo dzakagadzikana Iyo isina kunaka nzvimbo yekuenda inobvumira kuti ibviswe zvakanyanyisa mune yemvura isina kuunganidzwa, iyo inogadzira mamiriro akanaka ekudyidzana naNzvi. Iyo yekubhadhara isina kunaka inogona kuve yakabatana nekuvapo kwemapoka akasiyana ekushanda mumigwagwa inovava Aya makomputa anokwanisawo kuitawo sekugadzira majira, sezvo ivo vanodzivirira kusunganidzwa kweanokonzeresa naneparticles uye nekudaro kuwedzera kugadzikana kwavo40.
Iyo Elemental Kuumbwa uye Valence States States of the Nazviro uye RGo / Nzvam composites yakanga yakatemwa naXPS (Fig. 4). Iyo yakazara XPS kudzidza yakaratidza kuti rgo / nzvinyanya kuumbwa inonyanya kuumbwa nezvinhu c, o, fe, zvinoenderana neEDS emping (fig-h). Iyo C1S Spectrument ine mapepa matatu pa 284.59 Ev, 286.21 V Ev uye 288.21 EV anomiririra CC, co ne c = o, zvichiteerana. Iyo O1S Spectrum yakakamurwa kuita mapepa matatu, kusanganisira 531.17 ev, 532.97 Ev, uye 535.50.V, iyo yakagoverwa kuO = CO, CO, uye hapana mapoka, zvichiteerana. Nekudaro, mapeki ari pa710.43, 714.57 uye 724.79 Ev afereyeya kuFe 2P3 / 2, Fe + 3 uye Fe P1 / 2, zvichiteerana. Iyo XPS Spectra yeNVVI (Fig. 4c-e) yakaratidza mapundu ezvinhu zve c, o, fe. Peaks na 284.77, 286.25, uye 287.62 EV simbisa kuvapo kwesimbi-carbon alloys, sezvavanoreva CC, C-o, uye co, zvichiteerana. Iyo O1S Spectrum yakaenderana neeaks matatu C-O / Iron carbonate (531.19 EV), hydroxyl arecal (532.4 EV) uye O-C = O (533.47 EV). Peak pa 719.6 inofungidzirwa kuFe0, nepo Feooh inoratidza Peaks pa717.3 Uye 723.7 Ev, Pamusoro pe725.8V inoratidza kuvapo kweFO2O342342.43
XPS fundo yeNVVI uye RGO / NZVECOMPESES, zvichiteerana (A, B). Yakazara Spectra yeNVVVVVVVI C1S (C), Fe2P (D), uye O1s (E) uye RGE C1S (F), FE2P (G), O1S (H).
Iyo N2 Adsorption / desorption isotherm (fig. 5a, b) inoratidza kuti iyo nengavhi uye rgo / nzvi manyoro ndezvemhando II. Uye zvakare, iyo chaiyo nzvimbo nzvimbo (Simbi) yeNVVI yakawedzera kubva muna 47.4549 kusvika 152.52 m2 / g mushure mekupofumadza ne rgo. Mhedzisiro iyi inogona kutsanangurwa nekuderera kwemagineti yeNZvvi mushure mekupomhodza, nekudaro kuderedza kushamwaridzana uye kuwedzera nzvimbo yemapepa. Uye zvakare, sezvakaratidzwa muPi. Mhedzisiro iyi iri muchibvumirano neEl-Monaem et al. 45.
Kuti uongorore adsorption yekubvisa dc pakati peCGE / NZVECOMESES uye yekutanga NZVECY YAKAITWA PAMUSORO PAMUSORO PAMUSORO CHEMA Kuferefetwa mhinduro [25]. -100 mg l-1] pa 25 ° C. Mhedzisiro yacho yakaratidza kuti kuderedzwa kwekubvisa (94.6%) yeiyo rgo / nzvikori yaive yakakwira kupfuura iyo yeiyo yepakutanga iyo (90%) pane yakaderera constrenration (25 mg l-1). Nekudaro, kana kusarongeka kwekutanga kwakawedzera kusvika pa100 mg L-1, iyo yekubvisa yekubvisa ye rgo / nzvidhudhudhu rakadonhedzwa kusvika 70%, iro richigona kunge rakakonzerwa nenzvimbo dzinoshanda uye kusvibiswa kweNzvigiro. Pane zvinopesana, Mukuwedzera, muPi. 6b inoratidza kuti adsorption yekugona kweiyo rgo / nzvid-nzvigsites yakawedzera kubva pa9.4 mg / g kusvika pamazari -1.1 kusvika 28,73 mg g-1. Naizvozvo, iyo Dc yekubvisa huwandu hwakarongeka neiyo yekutanga dc constrentation, iyo yaive nekuda kwehuwandu hushoma hwemagariro anotsigirwa neyemahara adsorbent uye kubviswa kweDC mune mhinduro. Nekudaro, inogona kupedzwa kubva pane izvi zvinokonzerwa neRGo / Nzvam comsites vane mukurumbira weAdsorption uye kuderedzwa, uye rgo mune rgo / nzvinogona kushandiswa miviri sechibvumirano uye sechinhu chinotakurika.
Kubviswa kwekunyorera uye DC adsorption yekugona kweiyo rgo / nzvidine composite yaive (a, b = 25 mg L-1, t = 25 ° C, 0.05 g], ph. Pane adsorption kugona uye dc kubvisa zvakanaka pane rgo / nzvi composites (c) [c) [c) 50 mg l-1, pH = 3-11, t = DESE = 0.05 g].
Solution ph chinhu chakanyanya kutsoropodza mukudzidza kweAdsorption maitiro, nekuti zvinokanganisa huwandu hweionization, kutaura, uye ionization yeAdsorbent. Kuedza kwacho kwakaitwa pa25 ° C pamwe neyekugara ichidaro dosi (0.05 g) uye yekutanga kusangana kwe50 mg L-1 muPP range (3-11). Sekureva kwebhuku remabhuku46, DC ndeye Amphihilic Molecule ine akati wandei mapoka anoshanda (phenols, amino mapoka, mapoka emabhandi) pamatanho akasiyana. Semhedzisiro, mabasa akasiyana-siyana eDC uye zvakabatana zvivakwa zveRGO / NZVI / ZWITTORICE Rurongwa Semhedzisiro, mabasa akasiyana-siyana eDC uye zvakabatana zvivakwa zveRGO / NZVI / ZWITTORICE Rurongwa В резуле вун с с с с м о 3,3 <Ph <7,7 и или DC2-) при ph 7,7. Nekuda kweizvozvo, mabasa akasiyana-siyana eDc uye akabatana pamusoro peRGO / NZVECEMENCE Composite inogona kuwirirana neyemagetsi uye inogona kuvapo mune fomu yezvinhu, zwittersions, uye honon; Iyo dc molecule iripo secation (dch3 +) paPH <3.3; ionic (dch20) 3.3 <ph <7.7 uye anonic (dch- kana DC2-) paPH 7.7.Wor, DC 的各种功能和 / Nzv 复合材料表面的相关结构可能会发生静电相互作用, 并可能以阳离子, 两性离子和阴离子的形式存在, DC 分子在 Ph <33 时以阳离子 (DCH3 +)因此, dc 的 种 功能 和 和 和 材料 材料 和 可能 可能 W 8或 dc2-) 在 Ph 7.7. Се и с ра ра ра ра ,,,,, взаююююю + + с вз пз я + я Naizvozvo, dzakasiyana-siyana dzeDc uye dzakaringana zvigadzirwa zveRGO / NZVECEMENCE Composite zvinogona kupinda mukusangana kwemagetsi uye zviripo mune fomu yeCATION, uye ANOON, IYO DCTOCUALS (DCH3 +) paPH <3.3. Он Суүестввуетер-dch20) при 3,3 << pH <4 и и ио Izvo zviripo se zwitterion (dch20) ku 3.3 <ph <7.7 uye anon (dch- kana DC2-) paPH 7.7.Nekuwedzera kwePH kubva pa3 kusvika ku7, iyo Adsorption kugona uye kushanda kweDC kubvisa kubva pa11,2 mg (56%) kusvika 17 mg / g (85%) (Fig. 6C) (Fig. 6C) (Fig. 6C) (Fig. 6C). Nekudaro, sezvo PH yakawedzera kusvika pa9 ne11, iyo adsorption yekugona uye kubvisa zvakanaka kuderera kwakadzikira zvimwe, kubva ku10,6 mg / g (53%) kusvika 6 mg / g (30%), zvichiteerana. Nekuwedzera kwePH kubva pa3 kusvika ku7, DCS inonyanya kuvezwa muchimiro cheZwittersions, izvo zvakaita kuti vasati vave vakanachirwazve kana kuiswa neRGO / NZVIMBA SHONESI, kunyanya nekudyidzana kwemagetsi. Sekuwedzera kwaP. Maitiro aya anoratidza kuti DC adsorption paRGO / Nzvamombo / Mhedzisiro yacho inoratidzawo kuti RGo / Nzvam commenti akakodzera seAdsorbents pasi pemamiriro eAcdic uye asina kwaakarerekera.
Mhedzisiro yekupisa pane adsorption yemhedzisiro mhinduro yeDC yakaitwa (25-55 ° C). Mufananidzo 7A unoratidza mhedzisiro yekuwedzera kwekuwedzera kwekuwedzera kweiyo dc Antibihtics on dc mishonga yekudzvanya neyekuparadza. , zvichiteerana. Uku kuderera kwakakosha kunogona kuve nekuda kwekuwedzera kwesimba rekupisa simba re dc ions, iyo inotungamira kune desert47.
Mhedzisiro yekupisa pane inobvisa uye adsorption yekuwedzera kweCD pane RGO / NZVECOMSES (a) (B) [CO = 50 mg L-1, pH = 7, t = 25 ° C] (C, D)
Mhedzisiro yekuwedzera iyo dosi yeiyo adsorbent rgo / nzvi kubva 0.01 g kusvika 0.07 g pane yekubvisa kugona uye kushamwaridzana kunoratidzwa muPi.. 7b. Kuwedzera kweiyo dosi yeAdsorbent yakatungamira kuderera mune adsorption kugona kubva kuna 33.43 mg / g kusvika 6.74 mg / g. Nekudaro, nekuwedzera kweAdsorbent DEE kubva pa 0.01 G kusvika 0.7 g
Mhedzisiro yekutanga kusarongeka pane adsorption kugona uye kubvisa zvakanaka [25-100 mg l-1, 25 ° C, Ph 7, Dose 0.05 G] yakadzidzwa. Kana iko kwekutanga kusimbisa kwakawedzerwa kubva 25 mg L-1 kusvika 100 mg L-1, iyo inobvisa chikamu cheRgo / Nzvaro composite yakadzikira kubva pa95% (Pig. 7c), pamwe nekuda kwekusavapo kwenzvimbo dzinodiwa. . Adsorbs huru makomendi e DC49. Kune rimwe divi, sekutanga kwekutanga kwakawedzera, iyo yekushambadzira yakakura zvakare kubva pa9.4 mg / g kusvika makumi matatu mg / g kusvika kuenzana kwasvikwa (Fig. 7D). Izvi hazvigone kuitika nekuda kwekuwedzera kwekutyaira kwesimba rekutyaira neiyo dc constration yakakura kupfuura iyo dc ion mashandiro ekurwisa kuti asvike pamusoro 50 yeRgo / Nzvinomarara.
Nguva yekubata uye kinetic fundo inovavarira kunzwisisa iyo nguva yekuenzana ye adsorption. Kutanga, huwandu hwe dc adsorbed mukati memaminitsi makumi mana emaminitsi ekutanga kwenguva yakati wandei yaive hafu yehuwandu hwehuwandu hwehuwandu hwekushamwaridzana kwenguva yese (100 maminitsi). Ipo iyo dc molecules muSolution collide ichivabatsira kuita kuti vakurumidze kutama kusvika pamusoro peiyo rgo / nzvi composite inokonzeresa kuyamwa kwakakosha. Mushure memakumi mana emaminitsi Sezvo huwandu hunonzwisisika hunoshamwaridzana mumaminitsi makumi mana ekutanga, pachave nekuroverera zvishoma neDC molecules uye mashoma anoshanda masaiti anozowanikwa kune asina-adsorbed mamorekuru. Naizvozvo, iyo adsorption rate inogona kuderedzwa51.
Kunyatsonzwisisa kushambadzira kweDesorption Kinetics, Line Plots yePseudo Kutanga Order (Fig. 8a), pseudo yechipiri (Fig. 8b), uye elovich (2C) mimhanzi yekinetic yakashandiswa. Kubva paParameter inowanikwa kubva kuKinetic Zvidzidzo (Tafura S1), inova yakajeka kuti iyo pseududosecond yemhando yepamusoro yekutsanangudza adsorption kinetics, uko kukosha kweR2 kwakaiswa kumusoro kupfuura mune mamwe marudzi maviri. Kune zvakare kufanana pakati peiyo yakaverengerwa adsorption masangano (Qe, cal). Iyo pseudo-yechipiri kurongeka uye iyo yekuedza tsika (qe, exp Sezvinoratidzwa muTafura 1, iyo tsika dze α (yekutanga adsorption rate) uye β (desorption inogara ichisvika muyero wekushambadzira .
Linear Adsorption Kinetic Plots yePseudo-yechipiri Order (a), pseudo-yekutanga (c) [c) 25-10 mg L-1, t = 25 ° C, 0.05 g].
Zvidzidzo zveAdsorption Onthsms inobatsira kuti uone iyo Adsorption Capacity yeAdsorbent (RGO / NRVI Composite) kuVakasiyana Adsorbate Constontrations (DC) uye system tembiricha. Iyo yepamusoro adsorption kugona kuverenga ichishandisa iyo Langmuir Isotherm, iyo yakaratidza kuti adSorption yaive homogeneous uye yaisanganisira kuumbwa kweiyo adsorbate monolayer pamusoro peiyo adsorbent pasina kudyidzana pakati pawo53. Dzimwe mbiri dzishandiswa zvakanyanya isotherm mhando nderekusimbisa kweFreundlich neTemkin Models. Kunyangwe iyo freundlich mhando isingashandiswe kuunganidza maitiro ekuzvidza
Mifananidzo 9A-C Ratidza mutsara zvirongwa zveLangmuir, Freindlich, uye Temkin Models, zvichiteerana. Iyo R2 inokoshesa yakaverengerwa kubva kuFreundlich (Fig. 9a) uye Langmuir (Fig. Iyo Yakakura Adsorption Kugona (QMAX), Yakaverengerwa uchishandisa iyo Langmuir Inotherm Model, yaive 31.61 mg G-1. Uye zvakare, kukosha kwekuverengerwa kwekuparadzaniswa kwekuparadzaniswa (rl) kuri pakati pe 0 ne1 (0.097), zvichiratidza maitiro akanaka adsorption. Zvikasadaro, iyo yakaverengerwa Freundlich inogara (n = 2.756) inoratidza kufarira kwekuita uku kwekutanga. Sekureva kweiyo mutsara modhi yeTemkin isotherm (Fig. 9C), iyo AdSorption yeDC Kunyangwe kushamwaridzana kwemuviri kunowanzo kureveswa neUNL DER DER DER DER SOLS, Direct yazvino Adsorption pane RGo / Nzvam colvoshi inoda kushambadzira kushambadzira kwakaderera.
Freundlich (a), Langmuir (b), uye temkin (c) mutsara Adsorption isothers [CO = 25-100 mg L-1, pH = 7, T = 25 ° C, Dose = 0.05 g]. Kufunga kweiyo hot hoffff equation ye dc adsorption by rgo / nzvi composites (d) [co = 25-100 mg l-1, pH = 7, t = 25-55 ° = DEEL = 0.05 g].
Kuti uongorore mhedzisiro yekugadzirisa tembiricha yekudzidzira paDC kubvisa kubva kuRGE / Tazvi marobhoti 3 uye 458.
kupi \ (k} _} {e} \)) = \ R uye rt ndiyo gasi rinogara richishambadza uye kushambadzira tembiricha, zvichiteerana. Kuronga ln ke kupokana 1 / t inopa mutsara wakananga (Fig. 9d) kubva kune iyo δs ne δh inogona kutsanangurwa.
Iko kusarongeka kwekukosha kwekukosha kunoratidza kuti maitiro ari exothermic. Kune rimwe divi, iyo δh kukosha iri mukati meiyo adsorption maitiro. Yakashata δG kukosha muTafura 3 inoratidza kuti adsorption inogoneka uye ichangobva kuitika. Tsika dzisina kunaka dze δs dzinoratidza kuraira kwepamusoro kweAdsorbent mamorekuru kuThe Liquid Sterface (Tafura 3).
Tafura 4 inofananidza iyo RGO / NZVI YAKAITWA NEZVE ZVIMWE ZVIMWE ZVAKAITWA MUZVINHU ZVAKAITWA MUZVINHU ZVINOGONESA. Zviri pachena kuti iyo vgo / ncVi composite ine huwandu hwekushambadzira uye hunogona kunge paine chinosimbisa zvinyorwa zvekubviswa kweDC mishonga mishonga yemvura. Uye zvakare, iyo adsorption yeRGO / Nzvam composites ndeyekukurumidza kuita nenguva yekuenzana ye60 min. Iyo yakanakisa adsorption zvivakwa zveRGO / NZVIITESITI ZVINOGONESWA ZVINOGONA KUTI VATSVEDZWE NEMUYO SERISEG ESTE LGO uye NZVI.
Mifananidzo 10A Maererano nemhedzisiro yekuedza pane iyo mhedzisiro yePH pane yekubudirira yeDC adsorption, DC adsorption yeRGO / NZI Naizvozvo, shanduko muPP kukosha haina kukanganisa maitiro ekushambadzira. Pashure pacho, iyo adsorption mechanism inogona kudzorwa neyemagetsi yekudyidzana senge hydrogen maruva, hydrophobic mhedzisiro, uye π-π-π-π-π-π-π-π-stacking yekudyidzana pakati peiyo rgo / nzvikisheni uye DC 66. Zvinonyatsozivikanwa kuti maitiro ehunhu hwekunyepedzera pane zvimedu zveGripheni Graphene yakarondedzerwa ne π-π-stacking kutaurirana seyaivanyo zvakanyanya kutyaira. Iyo composite ndeyekumisikidzwa zvinhu zvakafanana neGriphene neyakagadziriswa kumusoro 233 nm nekuda kweiyo π-π * Shanduko. Zvichienderana nekuvapo kwezvikamu zvina zvinonhuwirira mumanyorwe e-molecular chimiro cheDc adsorbate, isu tinomirira zvekudyidzana pakati pehunhu hwekunetseka / Nzvamambo. Mukuwedzera, sezvakaratidzwa muPi. 10b, ftir zvidzidzo zvakaitwa kuti adzidze iyo molecarcuction yeRGO / Nzvam compositive neDC, uye iyo ftir Spectra yeRGo / Nzvam comosites After's DC adsorption inoratidzwa mumufananidzo 10b. 10b. Peak nyowani inocherechedzwa na 2111 cm-1, iyo inoenderana neyakajaira vibration yeC = C Bond, iyo inoratidza kuvapo kweiyo inoenderana organic mashandiro emapoka pamusoro pe67 rgo / nzvi. Mamwe mapundu anobva ku1561 kusvika 1548 cm-1 uye kubva muna 1399 kusvika pa137 cm-1, iyo inosimbisawo kuti ·-Inosimbisa basa rakakosha muAdsorption yeGriphene uye organic Pollutants68,69. Mushure mekushambadzira kweDC Saka, zvichibva pamhedzisiro, dc adsorption pane rgo / nzvinyaudzana inoitika kunyanya nekuda kwekutaurirana uye h-bonds.
Zvinongedzo zvemhando yeAdsorption yeDC mantriyawizhingi Ftir adsorption spectra ye dc pane rgo / vanhu uye nevanhu (b).
Kukura kwemabhandi ekunyima kweNVI pa 3244, 1644, 1546, uye 101 CM-1 CM -B) Nekudaro, ichi chikamu chepazasi chekutapurirana mune ese madhora ekucherechedzwa zvinoratidza kuti hapana shanduko yakakosha muAdsorption Kubudirira kweiyo phytosynthetic adsorbent (Nzvevhi) Kuenzaniswa neNVI isati yasvika maitiro ekushambadzira. Maererano nedzimwe DC DEP kutsvagurudza neNZvvi71, apo Nzvakabata neH2O, Electrons anoburitswa uye anozoshandiswa kugadzira zvakanyanya kuderedza hydrogen. Pakupedzisira, mamwe macational makomponi anobvuma magetsi kubva kuHydrogen, zvichikonzera mu -c = N uye -c = C -C = CI-, iyo inofungidzirwa kupatsanurwa kweiyo benzane mhete.
Kutumira Nguva: Nov-14-2022