Ua ntej tshaj plaws, kev kho dej yog ib feem tseem ceeb ntawm lub hauv paus ntsiab lus ntawm lub tshuab hluav taws xob huv. Hauv cov kauj ruam no, cov dej hla dhau los ntawm cov khoom siv kho mob ua ntej, xws li cov lim dej, cov khoom siv softeners, thiab lwm yam, kom tshem tawm cov khib nyiab, yaj cov khib nyiab thiab cov khoom tawv tawv kom ntseeg tau cov dej huv. Tsuas yog cov dej kho kom zoo tuaj yeem nkag mus rau cov kauj ruam tom ntej kom ntseeg tau tias qhov zoo ntawm chav.
Tom ntej no yog cov txheej txheem tsim cov pa. Nyob rau hauv ib lub tshuab hluav taws xob huv si, dej yog rhuab mus rau lub boiling point los ua chav. Cov txheej txheem no feem ntau ua tiav siv lub tshuab cua sov xws li lub tshuab hluav taws xob lossis lub tshuab hluav taws xob. Thaum lub sij hawm cua sov txheej txheem, impurities thiab yaj tshuaj nyob rau hauv dej yog sib cais, ua high-purity chav. Nyob rau tib lub sijhawm, lub tshuab hluav taws xob huv huv tseem yuav ua kom muaj kev ruaj ntseg thiab kev nyab xeeb ntawm chav los ntawm kev tswj cov cua kub thiab siab.
Cov kauj ruam kawg yog cov txheej txheem ua kom huv huv. Nyob rau hauv lub tshuab hluav taws xob huv si, lub zog dhau los ntawm cov cuab yeej ua kom huv xws li cov khoom sib cais, cov lim dej, thiab cov dehumidifiers kom tshem tawm cov khoom me me, impurities, thiab ya raws. Cov cuab yeej no tuaj yeem lim tawm cov khoom siv thiab cov kua dej hauv cov chav, txhim kho qhov purity thiab dryness ntawm chav. Los ntawm cov txheej txheem purification, lub tshuab hluav taws xob huv si muaj peev xwm tsim tau cov chav ua haujlwm zoo kom tau raws li qhov xav tau ntawm ntau yam kev lag luam thiab chaw soj nstuam.
Yog li ntawd, lub tshuab hluav taws xob huv si tuaj yeem hloov dej mus rau hauv high-purity, impurity-dawb chav thiab yog dav siv nyob rau hauv ntau yam teb. Cov tshuab hluav taws xob huv huv ua lub luag haujlwm tseem ceeb hauv kev tswj hwm ib puag ncig cov txheej txheem xws li humidification ntawm high-cleanliness factories thiab rhiav, xws li zaub mov, dej haus, kev lag luam tshuaj, kev ua hluav taws xob ua ke thiab lwm yam txheej txheem, muab cov khoom siv hluav taws xob zoo rau txhua qhov chaw ntawm lub neej.