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1、 Mabapi le folakha e tšoeu ea bethe

Hlatsoa ka bleach

U ka khetha bleach e nang le ts'ebetso ea bleaching ea mebala, e nang le phello e itseng ea ho fela lifolakha tsa bethe tse dailoeng. Leha ho le joalo, ho bohlokoa ho khetha mofuta o nepahetseng hobane mefuta e meng e kanna ea ba le phello e fokolang ea ho soeufatsa mebala.

84 ho hloekisa sebolaea-mafu

84 sebolaea likokoana-hloko se na le thepa ea decolorization 'me se loketse ho hloekisoa ka mor'a ho silafatsa lifolakha tsa bethe e tšoeu. Ts'ebetso e khethehileng ke ho kenya folakha ea bethe e dailoeng ka beisineng, tšela ka tekanyo e loketseng ea metsi a phehiloeng a sa tsoa phehoa le sebolaea likokoana-hloko tse 84 ho ea ka sebaka se dailoeng le botebo ba folakha ea bethe, soak ka metsotso e 15, 'me ka bonolo u tšele sebaka se dailoeng sa folakha ea bethe ka letsoho la hao. Leha ho le joalo, ho bohlokoa ho laola palo ea sebolaea likokoana-hloko tse 84 tse sebelisoang ho qoba ho senya folakha ea bethe.

Kenya ka metsing a chesang a sesepa

Hlakola sesepa se senyenyane sa foam 'me u se kenye ka metsing a chesang a lokiselitsoeng, e tlohele e qhibilihe ebe e kopanya metsing a sesepa. Ebe u kenya folakha ea bethe e dailoeng ka metsing ho fihlela e fihla metsing a futhumetseng, 'me ue tlotse. Folakha ea bethe e tla ba tšoeu 'me e benya, e shebahala joaloka e ncha.

2、 Mabapi le lifolakha tsa bethe tse mebala-bala

Mokhoa oa ho hloekisa motsoako oa metsi oa sesepa sa alkali

Beha folakha ea bethe e dailoeng ka sekotlolo, e inele metsing a hloekileng pele, ebe u e tlosa. Ebe u qoelisa folakha ea bethe ka motsoako oa metsi a sa tsoa phehoa a sesepa le metsi a alkaline metsotso e leshome. Qetellong, ha feela u ntse u itlotsa ka metsi ka bonolo, 'mala o dailoeng o tla tlosoa.

Hlatsoa ka asene ea khale

Ho hlatsoa sebaka se silafetseng ka asene ea khale ho ka 'na ha e-ba le phello e itseng, empa ke habohlokoa ho qoba liphello leha e le life tse mpe holim'a thepa ea folakha ea bethe e bakoang ke asene ea khale. Ka mohlala, lisebelisoa tse ling li ka 'na tsa chesoa ke asiti, kahoo ho molemo ho li hlahloba sebakeng se senyenyane pele li sebelisoa.

Ho hloekisa potassium permanganate le acetic acid

Ntlha ea pele, qhala palo e nyenyane ea potassium permanganate ka metsing, ebe u beha folakha ea bethe hore e hlatsoe ka hare 'me ue kene ka botlalo. Kamora ho koloba ka metsotso e 10 ho isa ho e 20, folakha ea bethe e tla fetoha bofubelu bo lefifi. Nka folakha ea bethe 'me ue hlatsoe ka metsi a hloekileng; Qhala e nyenyane ea acetic acid ka metsing 'me u behe folakha ea bethe e kolobisitsoeng ka potassium permanganate ka tharollo ea acetic acid. Folakha ea bethe e tla fetoha butle-butle ho tloha bofubelu bo lefifi ho ea ho 'mala oa eona oa pele,' me libaka tse silafetseng le tsona li tla fela ntle le ho senya 'mala oa pele oa folakha ea bethe. Leha ho le joalo, mokhoa ona o batla o rarahane ho sebetsa, 'me tlhokomelo e boetse e lokela ho lefshoa ho phello ea lik'hemik'hale tsa lik'hemik'hale linthong tsa folakha ea bethe le' mele oa motho.

Mokhoa oa ho hlatsoa letsoai

Ngolisa sebaka se dailoeng ka metsi, ebe u sebelisa letsoai ka holim'a metsi 'me u sila ka bonolo ka matsoho a hao khafetsa ho fihlela' mala o nyamela. Hlatsoa ka metsi a hloekileng.

Ho hloekisa ka soda le ho hloekisa lekhasi la bay (e sebetsang linthong tse ling)

Beha ntho e dailoeng ka sekotlolo se tletseng metsi a chesang, eketsa likhaba tse 10 tsa soda le ho e le 'ngoe ka litha e le nngwe ea metsi, koahela folakha ea bethe ka makhasi a bay, e tlohele bosiu bo le bong, 'me e hlatsoe ka metsi a hloekileng hoseng ho hlahlamang. Leha ho le joalo, ho lokela ho hlokomeloa hore mokhoa ona o ka 'na oa se ke oa sebetsa ho lisebelisoa tsohle tsa lifolakha tsa bethe,' me ho lokela ho hlokomeloa pele ho sebelisoa.