Ho sebetsana le cellulose ho kenyelletsa mekhoa e fapaneng ea ho e ntša le ho e ntlafatsa mehloling ea eona ea tlhaho, haholo-holo limela. Cellulose, polysaccharide, e bopa karolo ea sebopeho sa mabota a sele limela 'me ke polymer ea tlhaho e ngata ka ho fetisisa Lefatšeng. Ts'ebetso ea eona e bohlokoa haholo indastering ho tloha pampiring le masela ho ea lijong le meriana.
1. Ho Fumana Lisebelisoa Tse Tala:
Cellulose e fumanoa haholo-holo limela, 'me lehong le k'hothone ke tsona mehloli e tloaelehileng haholo. Mehloli e meng e kenyelletsa hemp, folaxe, jute le bolele bo bong. Limela tse fapaneng li na le dikahare tse fapaneng tsa cellulose, e leng se amang katleho ea ho ntša le ho sebetsana le tsona.
2. Kalafo pele ho nako:
Pele ho ntšoa cellulose, thepa e tala e etsoa kalafo ea pele ho tlosa likarolo tse seng tsa cellulosic tse kang lignin, hemicellulose, le pectin. Mohato ona o ntlafatsa katleho ea ho ntšoa ha cellulose. Mekhoa ea kalafo ea pele ho kenyelletsa ho sila ka mechine, kalafo ea lik'hemik'hale (mohlala, asiti kapa alkali hydrolysis), le lits'ebetso tsa baeloji (mohlala, tšilo ea lijo ea enzymatic).
3. Ho Ntša Cellulose:
Hang ha e se e phekotsoe esale pele, cellulose e ntšoa linthong tse phelang tsa semela. Mekhoa e 'maloa e sebelisoa bakeng sa morero ona:
Mekhoa ea Mekaniki: Mekhoa ea mechine e kenyelletsa ho qhaqha thepa ea semela ka 'mele ho lokolla likhoele tsa cellulose. Sena se ka kenyelletsa ho sila, ho sila, kapa ho hatella.
Mekhoa ea Lik'hemik'hale: Mekhoa ea lik'hemik'hale e kenyelletsa ho phekola thepa ea semela ka lik'hemik'hale ho qhala kapa ho senya likarolo tse seng tsa cellulosic, ho siea cellulose. Ho sebelisa asiti ka hydrolysis le alkaline ke mekhoa ea lik'hemik'hale e sebelisoang hangata.
Mekhoa ea Enzymatic: Mekhoa ea Enzymatic e sebelisa li-enzyme tsa cellulase ho qhaqha cellulose hore e be tsoekere ea eona. Ts'ebetso ena e khetha haholoanyane ebile e mosa ho tikoloho ha e bapisoa le mekhoa ea lik'hemik'hale.
4. Tlhoekiso le Tlhoekiso:
Hang ha e ntšitsoe, cellulose e hloekisoa le ho hloekisoa ho tlosa litšila le ho fihlela litšobotsi tse lakatsehang. Sena se ka kenyelletsa ho hlatsuoa, ho sefshoa le ho centrifugation ho arola likhoele tsa cellulose ho lik'hemik'hale tse setseng kapa likarolo tse ling.
5. Tlhahiso le Ts'ebetso:
Kamora ho hlwekiswa, cellulose e ka sebetswa ka mefuta e fapaneng ho latela tshebediso ya yona. Mefuta e tlwaelehileng e kenyeletsa:
Pulp: Pulp ea cellulose e sebelisoa indastering ea pampiri le ea khateboto. E ka hloekisoa ho fihlela maemo a fapaneng a khanya.
Likhoele: Likhoele tsa cellulose li sebelisoa masela le liaparong. Li ka ohloa hore e be khoele 'me tsa lohuoa hore e be masela.
Lifilimi le Methapo: Cellulose e ka sebetsoa hore e be lifilimi tse tšesaane kapa lera le sebelisoang ho paka, lits'ebetsong tsa bongaka le ho sefa.
Dintho tse tswang ho dikhemikhale: Cellulose e ka fetolwa ka dikhemikhale ho hlahisa dintho tse tswang ho yona tse nang le thepa e itseng. Mehlala e kenyeletsa cellulose acetate (e sebediswang filiming ya difoto le masela) le carboxymethyl cellulose (e sebediswang dihlahisweng tsa dijo le meriana).
Nanocellulose: Nanocellulose e bolela likhoele tsa cellulose kapa likristale tse nang le litekanyo tsa nanoscale. E na le thepa e ikhethang 'me e sebelisoa lits'ebetsong tse fapaneng tse tsoetseng pele joalo ka li-nanocomposites, thepa ea bongaka le lisebelisoa tsa elektroniki.
6. Likopo:
Cellulose e sebetsitsoeng e fumana lits'ebetso tse pharaletseng liindastering tsohle:
Pampiri le Sephutheloana: Cellulose ke thepa ea bohlokoa tlhahisong ea pampiri, khateboto le thepa ea ho paka.
Masela: K'hothone, e leng mohloli oa cellulose, e sebelisoa haholo indastering ea masela bakeng sa liaparo, masela a lapeng le masela a indasteri.
Lijo le Meriana: Lintho tse tsoang ho cellulose li sebelisoa e le lintho tse matlafatsang, tse tiisang, le tse kopanyang lihlahisoa tsa lijo le mekhoa ea meriana.
Ditshebediso tsa Biomedical: Disebediswa tse thehilweng ho cellulose di sebediswa ho di-dressing tsa maqeba, di-scaffolds bakeng sa boenjiniere ba dinama, ditsamaiso tsa ho fana ka meriana, le di-implant tsa bongaka.
Pheko ea Tikoloho: Lisebelisoa tse thehiloeng ho cellulose li ka sebelisoa bakeng sa merero ea pheko ea tikoloho, joalo ka ho hloekisa metsi le ho hloekisa oli e tšolohileng.
Matla a Nchafatsoang: Biomass ea cellulose e ka fetoloa hore e be mafura a biofuel joalo ka ethanol ka lits'ebetso tse kang ho belisa le hydrolysis ea enzymatic.
7. Lintho Tse ka Amehang ka Tikoloho:
Ho sebetsana le selulose ho na le litlamorao tikolohong, haholo-holo mabapi le tšebeliso ea lik'hemik'hale le matla. Ho ntse ho etsoa boiteko ba ho nts'etsapele mekhoa ea ts'ebetso e tsitsitseng haholoanyane, joalo ka ho sebelisa mehloli ea matla a nchafatsoang, ho fokotsa tšebeliso ea lik'hemik'hale, le ho kenya tšebetsong litsamaiso tse koetsoeng bakeng sa ho sebelisa metsi le lik'hemik'hale hape.
8. Mekhoa ea Nakong e Tlang:
Mekhoa ea nakong e tlang ea ts'ebetso ea cellulose e kenyelletsa nts'etsopele ea thepa e tsoetseng pele e nang le thepa e ntlafalitsoeng, joalo ka polasetiki e bolang, masela a bohlale le li-nanocomposites. Ho boetse ho na le thahasello e ntseng e eketseha ea ho sebelisa cellulose e le mokhoa o mong o ka nchafatsoang le o tsitsitseng ho feta thepa e thehiloeng mesaletsa ea lintho tsa khale lits'ebetsong tse fapaneng.
Ho sebetsana le cellulose ho kenyelletsa letoto la mehato, ho kenyeletsoa ho ntša, ho hloekisa le ho etsa lihlahisoa, ho hlahisa mefuta e fapaneng ea lihlahisoa tse nang le lits'ebetso tse pharaletseng tsa indasteri. Boiteko ba ho ntlafatsa mekhoa ea ts'ebetso le ho nts'etsapele lisebelisoa tse ncha tse thehiloeng ho cellulose bo khanna tsoelo-pele lefapheng lena, ka ho tsepamisa maikutlo ho tšoarelleng le boikarabellong ba tikoloho.
Nako ea poso: Mmesa-25-2024