Dab tsi yog qhov cuam tshuam ntawm cov ntsiab lus ntawm ferric chloride (thiab ferrous chloride) hauv hydrochloric acid pickling kua ntawm cov txheej txheem pickling?

Nws yog lub npe hu hais tias thaum hydrochloric acid tov yog siv rau pickling steel kav, muaj hydrochloric acid ncaj qha siv rau lub hom phiaj no, uas tso cai rau ib tug ceev pickling tus nqi. Thaum lub sij hawm pickling txheej txheem, cov hlau matrix ntawm cov yeeb nkab steel reacts nrog hydrochloric acid los tsim ferric chloride thiab ferrous chloride. Ferric chloride ua raws li tus neeg sawv cev corrosive, ua kom cov txheej txheem pickling. Yog li ntawd, kom ua tiav tus nqi pickling ntau dua, qee qhov nyiaj siv hydrochloric acid tuaj yeem muab ntxiv rau cov tshuaj hydrochloric acid tshiab.