•Such normal concentration absorption tower has been the absorption method for most of the formaldehyde plants. However, with the increasingly high requirements on the formaldehyde concentration from the formaldehyde derivates clients, the 50% and 55% concentration absorbers have been designed by us as well.
•The absorption tower with the least investment can meet the requirements of most of the clients.
•The absorption tower is capable of completely absorbing formaldehyde gas, and the off gas from the tower top can hardly contain formaldehyde.