Ukadaulo wolekanitsa ma membrane popanga utoto wachilengedwe

Membrane separation technology for natural pigment production1

Kupanga ndi kugwiritsa ntchito utoto wachilengedwe kwakhala nkhani yofunika kwambiri kwa ogwira ntchito zasayansi ndiukadaulo m'mafakitale osiyanasiyana.Anthu amayesa kupeza utoto wachilengedwe kuchokera kuzinthu zosiyanasiyana zanyama ndi zomera ndikuwunika momwe amagwirira ntchito kuti achepetse ndikuthetsa mavuto osiyanasiyana obwera chifukwa cha mitundu yopangira.Njira yochotsera ma pigment achilengedwe imasinthidwanso mwachangu, ndipo ukadaulo wolekanitsa wa membrane wakhala imodzi mwa njira zazikulu zochotsera utoto wa pigment.

Kupatukana kwa mamembrane kumaphatikizapo njira zinayi zazikuluzikulu zoyendera nembanemba: microfiltration MF, ultrafiltration UF, nanofiltration NF, ndi reverse osmosis RO.Kupatukana ndi kusungidwa kwa nembanemba kosiyanasiyana kumasiyanitsidwa ndi kukula kwa pore ndi kudulidwa kwa ma cell a nembanemba.Ukadaulo wosefera wa Membrane wakhala ukugwiritsidwa ntchito kwambiri muzamankhwala, utoto, mafakitale opanga zakudya ndi madzi m'maiko otukuka akumadzulo.Kugwiritsa ntchito ukadaulo wosefera wa membrane popanga utoto wachilengedwe kumatha kupititsa patsogolo zokolola zamitundu yachilengedwe, kuchotsa utoto wachiwiri ndi zonyansa zazing'ono zamamolekyu, ndikuchepetsa ndalama zopangira.Mosakayikira, ukadaulo wa membrane watenga gawo lofunikira pakuphatikiza mabizinesi awa mumakampani opanga utoto wachilengedwe, ndipo wagwiritsidwa ntchito bwino pamabizinesi ena apakhomo opangira utoto wa pigment.

Pakupanga kwa pigment, makamaka pamadzi amadzimadzi okhala ndi otsika olimba, poyerekeza ndi njira yonse yosefera, chipangizo cholekanitsa nembanemba chogwiritsa ntchito njira yosefera yodutsa kwambiri chimachepetsa kwambiri kutsekeka kwa nembanemba pamwamba chifukwa cha kufalikira kwa zakuthupi ndi zamadzimadzi, zomwe zimatha kusintha kuchuluka kwa kusefera.mlingo.Kuonjezera apo, chipangizo cha nembanemba chikhoza kutsekedwa nthawi imodzi, ndipo palibe chifukwa chokhazikitsa njira ina yotseketsa ndi kusefera, kuti akwaniritse cholinga chochepetsera ndondomekoyi ndi kuchepetsa mtengo.

1. Ukadaulo wa Microfiltration umatha kusefa zinthu zomwe sizingasungunuke muzotulutsa za pigment ndi zonyansa zokhala ndi zolemera zamamolekyulu kuposa mazana angapo, monga wowuma, mapadi, chingamu chamasamba, ma macromolecular tannins, mapuloteni a macromolecular ndi zonyansa zina.
2. Ultrafiltration imagwiritsidwa ntchito pofotokozera ma pigment opangidwa ndi nayonso mphamvu, m'malo mwa njira yofotokozera zachikhalidwe, imatha kusokoneza ma macromolecular suspensions ndi mapuloteni, ndikulola kuti mtundu wa pigment womveka bwino ulowe mu nembanemba ndikulowa kumbali ya permeate.
3. Nanofiltration imagwiritsidwa ntchito posungira / kuchotsa madzi amitundu kutentha kwa firiji, kawirikawiri kuphatikiza kapena m'malo mwa evaporators.Panthawi yosefera, madzi ndi zonyansa zina zazing'ono (monga citrinin mu monascus) zimadutsa mu membrane pamene zigawo za pigment zimasungidwa ndikukhazikika.

M'zaka zaposachedwa, chitukuko ndi kugwiritsa ntchito utoto wachilengedwe wakula mwachangu.Komabe, kafukufuku ndi chitukuko cha inki yachilengedwe amakumanabe ndi mavuto ambiri: kuchuluka kwa ma pigment achilengedwe ndi otsika, ndipo mtengo wake ndi wokwera;kukhazikika kwa pigment ndi kocheperako, ndipo kumakhudzidwa ndi zinthu zakunja monga kuwala ndi kutentha;pali mitundu yambiri, ndipo kafukufuku ndi chitukuko zimabalalika.Ndi chitukuko ndi kuwongolera kwaukadaulo wolekanitsa nembanemba, akukhulupirira kuti itenga gawo lofunika kwambiri pakuchotsa utoto wachilengedwe.M'tsogolomu, kuphatikiza kwaukadaulo wolekanitsa wamadzimadzi ndi matekinoloje atsopano osiyanasiyana kudzawonjezera kutulutsa kwamitundu yachilengedwe ndikuwongolera mtundu wazinthu, kuchepetsa mtengo wopanga.


Nthawi yotumiza: Apr-20-2022
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