There are two prevailing processes for iso-butyl acetate(IBA) production, i.e. iso-butanol-acetic acid esterification process and n-butene-acetic acid Addition Process. Due to its much lower production cost, the Addition Process is usually applied in a new IBA plant, which is the very technology SL-TECH provides. It consists of four units, feedstock purification unit, esterification unit, product separation unit and acetic acid recovery unit.
Technical features
Fixed Bed Tubular Reactor: To ensure the separation efficiency in the reactor, a disc distributor is arranged at the inlet; to strengthen the heat exchange efficiency and to better control the temperature in the catalyst bed, baffles are designed in the reactor shell side; to reduce the energy consumption, two pre-heating stages are designed, the first stage is the plate heat exchanger while the second stage is the tubular heat exchanger.
Modified Cation Exchange Resin Catalyst: The catalyst is high temperature resistant strong acid resin modified by metal chloride to prolong its service life. Once it is modified, its conversion yield as well as the selectivity will be increased at some extent.
product specification
S/N |
Item |
Index |
1 |
Appearance (Pt-Co) |
≤10 |
2 |
Density @20℃,g/cm³ |
0.860-0.878 |
3 |
Purity, wt% |
≥97.5 |
4 |
Acidity (as per acetic acid), wt% |
≤0.01 |
5 |
Water, wt% |
≤0.1 |
6 |
C-8, wt% |
≤2.2 |
7 |
Others |
≤0.1 |