PRODUCT

Catalyst shape

regular hollow ring

Carrier size

7.0*7.0*4.0±0.1mm

Performance Index

Oxidation Yield

114-116wt% after first year

113-115wt% after second year

111-113wt% after third year

Hot spot temperature

400-440℃（Normal）

Catalyst pressure drop

0.20-0.25 Bar（G）

Catalyst lifetim

5500-6700mm (depending on plant design requirements)

Air flow

3.0-4.0NCM/tube/h

O-xylene load

340g/tube/h（Normal）

360g/tube/h（Max）

O-xylene concentration

85g/NCM （Normal）

90g/NCM （Max）

Salt temperature

350-375℃（According to client plant condition）

NSPA-OXL5, the number of catalyst layers is 5 layers, which is developed and optimized based on the advanced phthalic anhydride catalyst technology in Europe. This type of catalyst has the characteristics of high activity and high yield, and the product quality is stable and reliable. At present, the catalyst research and development and trial production have been completed, and industrial production will be carried out soon. Provide catalyst loading and start-up technical services.

At 2013

R&D started and succeed

At the beginning of 2023

R&D restarted, confirmation completed

At the middle of 2023

Industrial trial production, meet technical conditions

At the beginning of 2024

Start Catalyst sales