Tus yuam sij rau kev ceev ceev cov iav kuaj cov raj yog nyob rau hauv kev xaiv txoj kev tsim nyog raws li hom kev sib kis. Cov dej niaj hnub yaug thiab txhuam txhuam kom txaus rau feem ntau cov teeb meem, qhov tawv tawv stains xav tau kev pab ntawm detergents los yog cov tshuaj reagents.
Cov txheej txheem ntxuav lub cev niaj hnub
Rau cov hlab ntsha uas tsis muaj qhov pom tseeb lossis tsuas yog muaj cov plua plav zoo tib yam, kev yaug nrog dej yog qhov nrawm tshaj plaws. Tsuas yog sau lub raj kwv yees li ib nrab ntawm cov dej, co nws siv lub dab teg ua haujlwm, thiab ncuav tawm cov ntsiab lus; rov ua qhov txheej txheem no ob peb zaug. Yog tias cov phab ntsa sab hauv dais cov nplaum nplaum me ntsis, kev ntxuav nrog txhuam hniav zoo dua: ua ntej, ntub lub raj nrog dej, tom qab ntawd xaiv lub raj txhuam txhuam ntawm qhov loj me thiab txhuam siv tig los yog nce - thiab - nqes suab. Kev ceev faj siv lub siab maj mam, tsis txhob siv lub zog ntau dhau uas tuaj yeem tso cai rau cov hlau xaim ntawm lub taub hau txhuam kom khawb cov iav sab hauv.
Chemically Enhanced Cleaning Methods
Thaum ntsib cov kab mob organic xws li cov roj stains, cov dej dawb feem ntau tsis txaus rau kev tshem tawm kom zoo, yuav tsum tau siv cov tshuaj detergents. Ntxiv ib qho me me ntawm cov kua ntxhua khaub ncaws los yog cov tshuaj ntxuav tais diav tshwj xeeb, siv lub raj txhuam txhuam los tsim cov tawv nqaij thiab txhuam, thiab thaum kawg, yaug kom huv si hauv dej kom tshem tawm tag nrho cov npuas dej. Rau cov kev sim tshwj xeeb, cov tshuaj reagents tshwj xeeb yuav tsum tau: piv txwv li, yog tias manganese dioxide adheres rau lub raj phab ntsa, ntxiv cov concentrated hydrochloric acid thiab maj mam cua sov lub raj tuaj yeem ua rau cov tshuaj tiv thaiv sai; Yog tias daim iav nyiaj seem tseem tshuav, soaking lub raj hauv dilute nitric acid yuav yaj nws. Txawm hais tias siv cov tshuaj reagent twg, cov txheej txheem yuav tsum xaus nrog kev rov ua kom rov qab siv cov dej ntau ntxiv kom ntseeg tau tias tsis muaj cov reagent seem.
Kev ceev faj dav dav
Tag nrho cov txheej txheem ntxuav yuav tsum xaus nrog qhov kawg yaug siv dej dawb; Yog tias tsim nyog, cov dej deionized tuaj yeem siv rau qhov kawg yaug. Tom qab ntxuav, cov raj yuav tsum tau hloov mus rau huab cua- qhuav los yog muab tso rau hauv qhov cub kom qhuav ntawm qhov kub thiab txias los npaj rau kev siv yav tom ntej. Rau cov stains tawv tawv ntawm cov hauv paus chiv keeb tsis paub meej, ib txwm sim ua cov txheej txheem ntxuav me me ua ntej kom tsis txhob siv ncaj qha ntawm cov kua qaub lossis cov hauv paus, uas tuaj yeem ua rau iav corrosion lossis raug mob ntawm tus kheej.