acid can remove a major part of formaldehyde and formic acid in a short period, and the reaction is simple in method, quick and convenient in operation; and 3, the wastewater containing formaldehyde and formic acid is prepared into an alkali solution at a certain concentration, and chlorine ...
(TSRE) reaction of the element organic chemistry, and a method for preparing anhydrous methanal and anhydrous methanoic acid by mixing the polymer and hydrogen or water steam and feeding the mixture into an alkaline and anhydrous aprotic absorbent; therefore, an effect of greatly reducing the ...