Ho na le mefuta e fapaneng ea metjhini e etsang bleach e fumanehang bakeng sa bleaching ea masela e ka hlahisang li-bleaching agents tse kang sodium hypochlorite. Mona ke tse ling tsa likhetho: 1. Mochini oa electrolysis: Mochini ona o sebelisa letsoai, metsi le motlakase ho hlahisa sodium hypochlorite. Mokhoa oa electrolysis o arola letsoai ho li-ion tsa sodium le chloride, ebe khase ea chlorine e tsoakanngoa le metsi ho etsa sodium hypochlorite. 2. Batch reactor: The batch reactor ke sejana sa ho kopanya sodium hydroxide, chlorine le metsi ho hlahisa sodium hypochlorite. Boitšoaro bo etsoa ka sekepeng sa karabelo se nang le mokhoa oa ho kopanya le o susumetsang. 3. Motlakase o tsoelang pele: Motlakase o tsoelang pele o tšoana le mochine oa batch, empa o ntse o tsoela pele mme o hlahisa phallo e sa khaotseng ea sodium hypochlorite. 4. Mekhoa ea ho Hlakola Likokoana-hloko ea Ultraviolet: Mechini e meng e sebelisa mabone a ultraviolet (UV) ho hlahisa bleach bakeng sa ho soeufala ha masela. Leseli la UV le sebetsana le litharollo tsa lik'hemik'hale ho theha sebolaea-mafu le li-bleach tse matla. Ha u khetha mochini oa tlhahiso ea bleach, ho bohlokoa ho nahana ka matla a mochini, likarolo tsa polokeho, boiketlo ba tšebeliso le tlhokomelo, le litšenyehelo tsa ts'ebetso. Ho bohlokoa hape ho latela litataiso tsa polokeho le ho sebetsana le bleach ka hloko ho qoba likotsi le ho boloka basebelisi ba bolokehile.