Haɓaka da aikace-aikacen alatun halitta ya zama abin damuwa ga ma'aikatan kimiyya da fasaha a masana'antu daban-daban.Mutane suna ƙoƙari su sami launi na halitta daga nau'ikan dabbobi da albarkatun shuka da kuma bincika ayyukansu na ilimin halittar jiki don ragewa da magance matsalolin daban-daban da ke haifar da pigment.Hakanan ana sabunta tsarin hakar al'amuran halitta cikin sauri, kuma yanzu fasahar rabuwa ta membrane ta zama ɗayan manyan hanyoyin haƙon pigment na halitta.
Rabewar membrane ya haɗa da manyan matakai guda huɗu na maɓalli na giciye: microfiltration MF, ultrafiltration UF, nanofiltration NF, da jujjuya osmosis RO.An bambanta aikin rarrabuwa da riƙewa na membranes daban-daban ta hanyar girman pore da yanke nauyin kwayoyin halitta na membrane.An yi amfani da fasahar tacewa membrane sosai a fannin magani, rini, abinci da kuma masana'antun sarrafa ruwan 'ya'yan itace a ƙasashen da suka ci gaba na yammacin duniya.Yin amfani da fasahar tacewa ta membrane wajen samar da aladun halitta na iya inganta yawan samar da aladun halitta, cire rini na biyu da ƙananan ƙazantattun kwayoyin halitta, da rage farashin samarwa.Babu shakka, fasahar membrane ta taka muhimmiyar rawa wajen ƙarfafa matsayin waɗannan kamfanoni a cikin masana'antar launi na halitta, kuma an yi nasarar amfani da su a wasu masana'antar samar da launi na gida.
A cikin tsarin samar da pigment, musamman ga ruwa mai abinci tare da ƙaramin ƙarfi mai ƙarfi, idan aka kwatanta da cikakkiyar hanyar tacewa, na'urar rabuwar membrane ta amfani da hanyar tacewa ta giciye yana rage toshewar fuskar membrane saboda giciye-gudanar ruwa. abu da ruwa, wanda zai iya inganta yawan tacewa.ƙimar.Bugu da ƙari, na'urar membrane za a iya haifuwa a lokaci guda, kuma babu buƙatar saita wani tsari na haifuwa da tacewa, don cimma manufar sauƙaƙe tsarin da rage farashin.
1. Microfiltration fasahar iya tace fitar insoluble aka gyara a cikin halitta pigment ruwan 'ya'yan itace da ƙazanta tare da zumunta kwayoyin nauyi fiye da dubu ɗari, kamar sitaci, cellulose, kayan lambu danko, macromolecular tannins, macromolecular sunadaran da sauran impurities.
2. Ana amfani da ultrafiltration don bayyana pigments da aka samar ta hanyar fermentation, maimakon hanyar bayyanawa na gargajiya, zai iya yin tasiri sosai game da dakatar da macromolecular suspensions da sunadaran, kuma ya ba da damar tsantsa mai tsabta don shiga ta cikin membrane kuma shigar da gefen permeate.
3. Ana amfani da Nanofiltration don maida hankali / dewatering na pigments a dakin da zafin jiki, yawanci a hade tare da ko maimakon evaporators.A lokacin tacewa, ruwa da wasu ƙazantattun ƙwayoyin ƙwayoyin cuta (kamar citrinin a cikin monascus) suna wucewa ta cikin membrane yayin da abubuwan da ke tattare da pigment suna riƙe da tattara su.
A cikin 'yan shekarun nan, ci gaba da yin amfani da pigments na halitta sun ci gaba da sauri.Duk da haka, bincike da ci gaba na al'amuran halitta har yanzu suna fuskantar matsaloli da yawa: yawan haɓakar abubuwan da aka samo asali ba su da yawa, kuma farashin yana da yawa;kwanciyar hankali na pigment ba shi da kyau, kuma yana kula da yanayin waje kamar haske da zafi;akwai nau'o'i da yawa, kuma bincike da ci gaba sun warwatse.Tare da haɓakawa da haɓaka fasahar rabuwa da membrane, an yi imanin cewa zai taka muhimmiyar rawa wajen fitar da aladun halitta.A nan gaba, haɗin fasahar rabuwa da membrane na ruwa da kuma sababbin fasahohi daban-daban za su kara yawan kayan da aka yi da launi na halitta da inganta ingancin samfurin, rage farashin masana'antu.
Lokacin aikawa: Afrilu-20-2022