Deiodination ZSM-5 during acetic acid production
Vinyl acetate is an important downstream product of acetic acid. However, the trace of iodine (about 5× 10-8 wt ) in acetic acid must be removed for the preparation of vinyl acetate.
Our company has developed a new adsorbent which can efficiently remove the trace iodine in acetic acid, acetic acid. The acetic acid After removal of iodine in iodine content (mass fraction) down to (1 ~ 5) × 10-9 can be meet the requirements for raw materials of vinyl acetate.
USE: Remove trace iodine from acetic acid produced by oxo synthesis. The de-iodinized acetic acid is suitable for making ethyl acetate.
Shape: sphere with diameter 0.5～0.8 mm;
Strength: ＞8 N;
Chemical Composition: Molar ratio of SiO2/Al2O3 = 10～20; Ag ＞7%;
Function: After treatment with the adsorbent, the content of iodine in acetic acid can be reduced to lower than 10 ppb from ＞50 ppb in raw acetic acid;
Life time: ＞300 d.