Impurities nyob rau hauv iav caw daim fwj dej tuaj yeem tsim los ntawm ntau tus yam ntxwv. Nov yog qee qhov ua tau:

Cov khoom siv nyoos tsis txaus ntseeg:Cov khoom siv raw siv hauv cov iav tsim tawm tuaj yeem muaj qee qhov tsis zoo xws li pob zeb, xuab zeb, limestone thiab hlau oxides. Cov impurities no yuav tsis raug tshem tawm kiag li thaum lub sij hawm tsim khoom thiab yog li nyob hauv lub khob kom tsim impurities.

Kev tsim khoom txheej txheem impurities:Thaum lub sijhawm lub iav tsim tshuaj, qee cov tshuaj lom neeg, xws li silica, sodium carbonate thiab calcium oxide. Cov tshuaj no yuav tsis muaj kev ntsuas lossis tshem tawm lossis tshem tawm, thiab yog li nyob hauv lub khob ua impurities. Ib qho ntxiv, qhov chaw siab npaum li cas thaum ib puag ncig thaum lub sij hawm ntau lawm yuav ua rau cov roj av lossis cov tshuaj uas tsis sib xws tau tso tawm ntawm lub khob, ua npuas lossis lwm yam tsis txaus ntseeg.

Ib puag ncig tsis zoo:Cov iav Wine fwj yuav cuam tshuam rau ib puag ncig, xws li tshav ntuj, ntsuas kub, av noo thiab lwm yam. Cov xwm txheej no yuav ua rau hloov cov tshuaj lom neeg muaj pes tsawg leeg ntawm cov iav, lossis ua rau kom paug rau lwm cov tshuaj, yog li sib sau impurities.

Raug tej yam tsis xws luag:Nyob rau hauv cov txheej txheem ntawm iav tsim tawm, qee yam kev tsim khoom tuaj yeem tshwm sim, xws li tawg, pob txha, pob txha, thiab lwm yam.

Txhawm rau kom txo cov impurities nyob rau hauv iav caw tov fwj, xws li xaiv cov khoom siv raw ua kom zoo, thiab ntsuas nruj ua kom nruj. Lub caij no, cov neeg siv khoom yuav tsum them sai sai rau kev khaws cia thiab siv iav caw iav kom tsis txhob muaj kev puas tsuaj uas tsis tsim nyog lossis paug.