{\displaystyle {\ce {SiC{}+4NaOH{}+2O2->[>350~^{\circ }{\text{C}}]Na2SiO3{}+Na2CO3{}+2H2O}}}

{\displaystyle {\ce {SiC{}+4NaOH{}+2O2->[>350~^{\circ }{\text{C}}]Na2SiO3{}+Na2CO3{}+2H2O}}}

{\displaystyle {\ce {SiC{}+4NaOH{}+2O2->[>350~^{\circ }{\text{C}}]Na2SiO3{}+Na2CO3{}+2H2O}}}

{\displaystyle {\ce {SiC{}+4NaOH{}+2O2->[>350~^{\circ }{\text{C}}]Na2SiO3{}+Na2CO3{}+2H2O}}}