Nhanganyaya kune Cotton uye Cellulose
Cotton, fiber yakasikwa inotorwa kubva kuCotton chirimwa, inonyanya kuumbwa nemheremalose. Cellulose, yakaomarara carbohydrate, ndiyo huru yemadziro emadziro muzvirimwa, kupa rutsigiro rwechimiro. Kubvisa pakachena cellulose kubva kuCotton kunosanganisira kupatsanurana iyo cellulose machira kubva kune zvimwe zvikamu zvekotoni chirimwa, chakadai seHembellose, uye pectin.
Cotton chirimwa anatomy
Kunzwisisa anatomy yekotoni chirimwa inokosha kune cellulose kubviswa. Machira ekotoni inguva yembeu trichomes, inovandudza kubva kune epidermal masero eiyo cottonseed. Aya machira ane kunyanya mheremalose, aine mashoma emapuroteni, waxes, uye shuga. Machira ekotoni anokura muBolls, ayo anodzivirira capules ayo anogadzirisa mbeu.
Cellulose Extraction maitiro
Kukohwa: Maitiro acho anotanga nekukohwa kwakakura machira ekotoni kubva kuCotton zvirimwa. Mahosi ekukohwa ndiyo nzira yakajairika, apo michina inobvisa mabhora kubva pane zvidyarwa.
Ginning: Mushure mekukohwa, machira ari pasi peganda, uko mhodzi dzakaparadzaniswa kubva pamota. Kuita uku kunosanganisira kupfuudza machira kuburikidza nejini michina inobvisa mhodzi kubva kufambiro.
Kuchenesa: Kamwe yakaparadzaniswa kubva kumbeu, iyo machira ekotoni anochenesa kubvisa tsvina senge tsvina, mashizha, uye zvimwe zvekudyara. Iyi nhanho inovimbisa kuti iyo inobviswa mheremalose ndeye yakanyanya kuchena.
Carding: Kiredhiti chiitiko chinongedzo chinoenderana nekotoni machira mubhute rakaonda. Iyo inobvisa chero yakasara yakasvibiswa uye inoenderana mafambiro mukugadzirira kuenderera mberi kugadzirisa.
Dhigming: Cotton Fils ine zvisikwa zvakasikwa senge waxes, pectins, uye hemicelluloses, pamwe chete inotaurwa se "gamu." Dhigming inosanganisira kurapa machira ekotoni neAlkaline mhinduro kana ma enzymes kubvisa izvi zvakasvibiswa.
Kujekerwa: Kujekerwa isarudzo yesarudzo asi kazhinji inowanzo shandiswa kuti uwedzere kunatsa cellulose machira uye uwedzere kuchena kwavo. Vakadzi vakasiyana-siyana vamiririri vakadai se hydrogen peroxide kana chlorine inobva inopera inogona kushandiswa mune izvi.
Kunyengedzwa: Kuonana kunosanganisira kurapa cellulose machira ane caustic alkali solution, kazhinji sodium hydroxide. Iyi process inowedzera simba 'rekusimbirira, uye kushamwaridzana kwemidziyo, kuvaita kuti vanyatsoita kuti zvibodzwa zvakasiyana siyana.
Acid hydrolysis: mune zvimwe zviitiko, kunyanya kune zvinangwa zveindasitiri, acid hydrolysis inogona kushandiswa kuenderera mberi nekuparadza mheremalose muzvikamu zvidiki, zvakangofanana. Kuita uku kunosanganisira kurapa cellulose neiyo dilute acid pasi pemamiriro ekudzorwa kuHydrolyze Zvisungo zveGlycossiki, kupa zvipfupi mherem cellulose maketani kana cellulose nanocrystals.
Kushambidza uye Kuoma: Kutevera kurapwa kwemakemikari, iyo cellulose machira akanyatso kushambidzwa kuti abvise chero makemikari akasara kana kusvibiswa. Pashure pacho, mafambi akaomeswa kune inodiwa unyoro hwemukati.
Zvikumbiro zveCellulose Cellulose
Yakacheneswa cellulose yakawanikwa kubva kuCotton inowana zvikumbiro muindasitiri akasiyana-siyana:
Zvekare: Cellulose Fibers arikupinza muYarns uye yakarukwa mumachira ezvipfeko, zvinyorwa zvekumba, uye maindasitiri ekushandisa.
Pepa uye pepa rePaperboard: Cellulose chikamu chikuru chepepa, pepa, uye kadhibhodi zvigadzirwa.
Biofuls: Cellulose inogona kushandurwa kuita biofuls yakadai seEthanol kuburikidza nemaitiro seEnzymatic hydrolys uye fermentation.
Chikafu uye maindasitiri emishonga: Cellulose Derivatives anoshandiswa samasango, stabilizers, uye emulsifife mune zvekudya uye zvigadzirwa zvechikafu.
Cosmetics: Cellulose Derivatives inoshandiswa mune cosmetics uye neyako ekuchengeta zvigadzirwa zvekutora kwavo uye kusimbisa zvivakwa.
Kubvisa pakachena cellulose kubva kuCotton kunosanganisira Cotton Kunzwisisa anatomy yekotoni yekudyara uye kushandisa nzira dzakakodzera sekuremerwa senge ginning, depumming, kusviba, uye kusangana kwakakosha kuti uwane huwandu hwepamusoro-mhando cellulose. Iyo yakacheneswa cellulose inowanikwa kubva kuCottoni ine zvinyorwa zvakasiyana-siyana maindasiti
Kutumira Nguva: Kubvumbi-25-2024