An industrial method for the preparation of methanol is:
by catalytic reduction of carbon monoxide
by reacting methane with steam in presence of a catalyst
by reduction of $HCHO$ with $LiAlH _4$
by reduction of $HCHO$ with aqueous $NaOH$
An industrial method for the preparation of methanol is by catalytic reduction of carbon monoxide.$ \displaystyle \underset { \displaystyle \text { Synthetic gas } }{\underset { \displaystyle \text { water gas } }{CO+H _2}+H _2} \xrightarrow [ \text { 300 deg C, pressure }]{Cr _2O _3-ZnO} \underset { \displaystyle \text { Methanol } }{CH _3-OH}$