"Decolorizing le Deodoizing Master" Lefapheng la TsoekereⅠ
Lefapheng la indasteri ea lijo le lino, indasteri ea tsoekere ke e 'ngoe ea libaka tsa bohlokoa tsa ts'ebeliso ea khabone e kentsoeng. Nakong ea tlhahiso ea mefuta ea tsoekere e kang tsoekere ea 'moba, tsoekere ea beet, tsoekere ea starch, maltose, lactose, molasses, xylose, xylitol, glucose, le tharollo ea protheine ea hydrolyzed, carbon activated e phetha karolo ea bohlokoa ho decolorization le ho senya.
Lifeme tsa tsoekere li arotsoe ka lifeme tsa tsoekere ea 'moba le lifeme tsa tsoekere ea beet. Tharollo ea tsoekere e na le lintho tse fapaneng tsa mebala tse kang melanoidins, caramel, le iron-polyphenol complexes. Khabone e kentsoeng, e nang le sebaka se seholo (500 - 1500m²/g) le sebopeho se ruileng sa mesopores le li-micropores, e ka bonts'a ts'ebetso e ntle ea papatso le ts'ebetso e phahameng ea decolorization ha e sebetsana le litharollo tse joalo tsa tsoekere.
Ho na le li-micropores tse ngata ka har'a likaroloana tsa khabone e kentsoeng, 'me boholo ba pore bo pharaletse, ho tloha ho li-angstrom tse' maloa ho isa ho li-micrometer tse 'maloa. Haholo-holo, ho na le palo e kholo ea li-micropores tse nang le boholo ba pore ho tloha ho tse seng kae ho isa ho tse mashome a 'maloa tsa li-angstroms. E 'ngoe le e 'ngoe ea li-micropores tsena e lumellana le sebaka se itseng, e leng se etsang hore sebaka se khethehileng sa carbon e entsoeng ka carbon e be se tsotehang haholo. Bakeng sa gram e le 'ngoe ea khabone e nang le ts'ebetso e ntle haholo, sebaka sa eona se ikhethileng se ka fihla ho 1000m². Hobane sebaka sa matla a athomo se holim'a khabone e kentsoeng se maemong a sa tsitsang 'me ho na le matla a setseng a valence, a ipapisitseng le sebaka se seholo se ikhethileng, matla a eona a holim'a metsi a bohlokoa haholo. Ke hantle ka lebaka la phello ea adsorption hore sebaka sa matla sa unsaturated se holim'a carbon activated se ka lefshoa ho isa tekanyong e itseng, kahoo ho fokotsa matla a holim'a metsi. Ka hona, tlas'a maemo a itseng a mocheso le khatello, bokaholimo ba khabone e kentsoeng ka bo eona bo tla ipapisa le lintho tse ka fokotsang matla a eona a holim'a metsi. Leha ho le joalo, ha khabone e kentsoeng e sebelisa lintho tse fapaneng ho tsoa ho tharollo, palo ea adsorption ha e tsamaellane le karolo ea lintho tsena tse tharollong. Acated carbon e lula e etsa hore solute concentration sebakeng sa adsorption e be e leka-lekaneng. Ka tsela ena, leha matla a adsorption a tšoana, lintho tseo e seng tsa tsoekere tse nang le motsoako o tlase mothapong oa tsoekere li na le monyetla oa ho ts'oaroa ke khabone e kentsoeng ha e bapisoa le sucrose e nang le khatello e phahameng. Lintho tse 'mala tse ka har'a sirapo hangata li na le molumo o batlang o le moholo oa limolek'hule le boima ba limolek'hule bo batlang bo le boholo. Ka adsorption ea activated carbon, matla a eona a holim'a metsi a fokotseha ho isa tekanyong e kholo, 'me sirapo e tšetsoeng ka carbon e ka finyella tekanyo e kholo ea decolorization. Ke hobane khabone e kentsoeng e na le bokhoni bo botle ba ho tlosa 'mala le ho hloekisa sirapo hoo e sebelisitsoeng ka mokhoa o pharaletseng le ka katleho indastering ea tsoekere e tsoetseng pele kantle ho naha.
Ha carbon activated e sebelisoa ho phekola tharollo ea tsoekere, ho phaella ho phello ea eona ea bohlokoa ea decolorization, e ka boela ea tlosa li-colloid le holim'a - litšila tse sebetsang ka har'a tharollo ea tsoekere. Ts'ebetso ena e tla eketsa tsitsipano e holim'a tharollo ea tsoekere, e fokotse viscosity ea eona, e fokotse ho hlahisa foam nakong ea mouoane, e eketse lebelo la crystallization, 'me e ka ntlafatsa ts'ebetso ea crystallization ea tsoekere, e khothaletsa karohano ea molasses ho likristale tsa tsoekere.
Re barekisi ba ka sehloohong Chaena, ka theko kapa tlhaiso-leseling e batsi, re amohelehile ho ikopanya le rona ho:
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Nako ea poso: Apr-23-2025