I-seluplose yi-polysacchaaccharide entsokothileyo edityaniswe kwiiyunithi ezininzi zeglucose ezinxulumene ne-β-1,4-Glycosidic Bonds. Yeyona nto iphambili kwiindonga zeseli zezityalo kwaye inika iindonga zeseli ezizinzileyo zenkxaso eyomeleleyo kunye nobuchule. Ngenxa ye-Seleclose ende ye-foleculase ye-moleculase kunye ne-crystallies ephezulu, inozinzo olunamandla kunye nokungabulawa.
(1) Iipropati zeselfowuni kunye nobunzima bokunyibilika
I-seluplose inezi profeti zilandelayo ezenza ukuba kube nzima ukunyibilikisa:
I-crystallies ephezulu: Iimolekyuli ze-selselose molecular foal ye-tenit ye-lattage i-hynds kunye ne-van der imikhosi.
Inqanaba eliphezulu le-Polymerizazazazazation: inqanaba le-polymerization (okt ubude be-molecular chain) ye-sellyulose iphezulu, ihlala isusela kumakhulu amawaka eeyunithi ze-GLUCE, enyusa ukuzinza kwemolekyuli.
Inethiwekhi ye-Hydrogen Bop: IiBondrogen ze-Hydrogen zikhona phakathi kwaye ngaphakathi kweemolekyuli zemolekyuli, zenza ukuba kube nzima ukutshatyalaliswa nokuchithwa ngezinyibilikisi ngokubanzi.
.
Okwangoku, ii-redagents eyaziwayo ezinokuthi zichithwe ngokufanelekileyo i-selelulose ibandakanya le migangathweni ilandelayo:
I-1. Ulwelo lwe-Ionic
Ulwelo lwe-Ionic luluhlu lweendawo eziphilayo kunye ne-organic okanye i-arigonic okanye i-ariganic, idla ngokuba ziinkolelo eziphantsi, uzinzo oluphezulu kunye nohlengahlengiso oluphezulu kunye nohlengahlengiso oluphezulu. Ezinye izinto ezithile ze-Ionic zingayinqumla isellulose, kwaye eyona ndlela iphambili kukuqhekeza iimbophelelo ze-hydrogen phakathi kweemolekyuli zemolekyuli. Izinto eziqhelekileyo ze-Ionic ezichitha i-selebase zibandakanya:
I-1-byl-3-methylilidaziyalium cyride ([BMY] CL (BMIM] CL): Olu hlaselo lwe-inee lunyibilikisi ngokunxibelelana ne-hydrogen ye-hydrogen ye-hydrogen ye-hydrogen.
1-Ethyl-3-methylilidaziim ye-Acetate ([[i-Emim]): Olu luhlu lwe-Ionic lunokunyibilikisa ugxininiso oluphezulu lweselfowuni phantsi kwemeko ethambileyo.
I-2. Isisombululo se-Amine
Isisombululo se-Amine Osidan njengesisombululo esixubileyo se-diethylamine (i-DEA) kunye ne-chloride ye-chloride ibizwa ngokuba [cu (II)-yinkqubo ye-Solntium] enokunyibilika isellulose. Itshabalalisa isakhiwo sekristale ye-sellyulose nge-oxidation kunye ne-hydrogen ye-hydrogen, esenza i-selsulose cleclor cyfter ithamsane kwaye inyibilike ngakumbi.
3
Inkqubo ye-Childl-Dmac (Lithium ye-hloride-dimthylacetamide) yenye yeendlela zeklasi zeselforming yeseli. I-Childl inokwenza ukhuphiswano lweebhondi ze-hydrogen, ngaloo ndlela zitshabalalisa inethiwekhi ye-hydrogen ye-hydrogen phakathi kweemolekyuli, ngelixa i-DMAC isebenzisana ne-soller i-selsecular thein.
I-4. I-Hydrochlorica acid / i-chinc chloride
Isisombululo se-Hydrochloric Acid / ZINCNC SCloride i-reagent yafunyanwa kwangoko enokuphelisa isellulose. Ingayinyibilikisa isellulose ngokwenza isiphumo sokulungelelanisa phakathi kwe-zinc hloride kunye neeseluplose sweans, kunye ne-hydrocloric acid itshabalalisa iimolekyuli eziphakathi kwe-hydrogen. Nangona kunjalo, esi sisombululo sityhafisa kakhulu kwizixhobo kwaye sinqunyelwe kwizicelo ezisebenzayo.
I-5. I-fibrinolytion enzymes
I-Fibrinolyting Enzymetic Ennemes (ezinjengeeselfowuni) inyibilikisi ngokunyanzelisa i-decerase-timerase kwi-soliguccharides kunye ne-monosaccharides. Le ndlela inoluhlu olubanzi lwezicelo kwicandelo le-biomass kunye ne-biomass, nangona inkqubo yayo yokuchithwa ayiphunyezwanga ngokupheleleyo, kodwa ifezekiswa nge-biocatalysis.
(3) Indlela yokuchithwa kwe-seluplose
IiRegegents ezahlukeneyo zineendlela ezahlukeneyo zokuphelisa i-Seleculose, kodwa ngokubanzi zinokuchazwa ziindlela ezimbini eziphambili:
Ukutshatyalaliswa kweembophelelo ze-hydrogen: ukutshabalalisa iimbophelelo ze-hydrogen phakathi kwe-sellulose yeemolekyuli ngokhuphiswano lwe-hydrogen ye-hydrogen ye-hydrogen.
Ukuphuculwa kwe-molecular thein: ukwandisa ukuthamba kwe-seluplose yeemolekyuli kunye nokunciphisa i-crystallies ye-molecular imixokelelwane yemolekyuli ngokusebenzisa izinyibilikisi.
(4) Ukusetyenziswa kwenkqubo yokupheliswa kweselfowuni
Ukupheliswa kokupheliswa kweeselfowuni kuneemisebenzi ezibalulekileyo kumasimi amaninzi:
Ukulungiswa kwe-Selelsese Derivastitives: Emva kokuphelisa isellulose, kunokutshintsha ngokukhawuleza ukulungiselela ii-selsulose khesse, i-seluplose eninzi ekutyeni, amayeza, iingubo kunye namanye amabandla.
Izinto ezisekwe kwi-selsulose: Sebenzisa i-selsulose ye-selsulose, isellulose Nanofibers, i-Selsulose membranes kunye nezinye izinto zinokulungiswa. Ezi zixhobo zinezikhundla ezilungileyo zoomatshini kunye ne-biomatise.
Amandla e-biomass: ngokuthimba kunye nokungcolisa iselluolose, kunokuguqulwa ibe yiswekile ebonakalayo yokuveliswa kwee-biofuel ezifana nokufezekisa amandla ahlaziyiweyo kunye nokusetyenziswa kwamandla ahlaziyiweyo.
Ukupheliswa kwe-SelelUlose yinkqubo entsonkothileyo ebandakanya iindlela ezininzi zekhemikhali kunye nezasemzimbeni. Izisombululo ze-Ionic, izisombululo ze-Amino Oxidant, iinkqubo ze-ICLC-DMC, i-Hydrochloric Acid / Zinc chloride Solutions kunye ne-Cellolytin Enzymes ngoku ziyaziwa ukuba ziiarhente ezisebenzayo kwi-Seleulose. Iarhente nganye ineendlela zayo ezikhethekileyo zokuchitha kunye nentsimi yesicelo. Ngofundo olunzulu lwendlela yokuguqula i-selselose, kukholelwa ukuba iindlela zokuchitha ngeendlela zokuhlalisa ngokusingqongileyo ziya kuphuhliswa, zibonelela ngamathuba amaninzi okusetyenziswa kunye nophuhliso lwesellulose.
IXESHA LOKUQALA: UJUL-09-2024