Calcium carbide, tseem hu ua calcium acetylide, yog cov tshuaj sib xyaw nrog cov tshuaj formula ntawm CaC₂. Nws lub ntsiab siv industrially yog nyob rau hauv zus tau tej cov acetylene thiab calcium cyanamide.
calcium carbet yog dab tsi?
Calcium carbide yog cov tshuaj sib xyaw nrog tshuaj mis ntawm CaC2. … Kev siv cov calcium carbide suav nrog kev tsim cov roj acetylene, thiab tsim cov acetylene hauv carbide teeb; chaw tsim tshuaj paus rau chiv; thiab hauv steelmaking.
Puas yog calcium carbide txhaum cai?
Kev noj cov txiv hmab txiv ntoo siav nrog Calcium Carbide tuaj yeem ua rau mob hnyav; yog li ntawd, kev siv no Calcium Carbide rau ripening yog txhaum cai nyob rau hauv ntau lub teb chaws. Siv cov ethylene nkaus xwb, cov tshuaj cog qoob loo thiab cov txiv hmab txiv ntoo ripening!
CaO yog txiv qaub?
daim ntawv thov. Calcium oxide, CaO, tseem hu ua txiv qaub los yog ntau tshaj qhov tshwj xeeb quicklime, yog cov khoom dawb lossis greyish dawb uas ua rau ntau ntau los ntawm roasting calcium carbonate thiaj li tsav tawm carbon dioxide.
Dab tsi yog txiv qaub dawb hauv cement?
Calcination ntawm cement raw cov ntaub ntawv nyob rau hauv lub kiln tsim ib yam khoom hu ua clinker. Cov txiv qaub dawb (CaO) hauv clinkers yuav tsum tau saib xyuas kom ntseeg tau tias zoo ntawm cement. Ntau cov txiv qaub dawb ua rau muaj qhov tsis zoo xws li kev nthuav dav, nce lub sij hawm los yog txo lub zog.
