Backward production capacity continues to be phased out

acetic anhydride, also known as acetic anhydride, is a fine chemical raw material produced from carbon monoxide, acetic acid, and methanol. it is one of the simplest organic acid anhydrides and is mainly used to produce phenethyl acetate, cellulose acetate, and ronyl acetate. products such as brain esters are used in the production of spices, medicines, dyes, etc. there are two main methods for the production…