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PDC-01 palladium-carbon catalyst

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PDC-01 palladium-carbon catalyst

PDC-01 palladium-carbon catalyst is mainly use for hydrogeantion of 4-CBA existing in PTA solution to water-soluble substance, so that PTA can be purified by crystallization.the catalyst also can be used for hydrogenation of intermediate in pharmacy manufacture.

Chemical and physical properties(used for PTA process)

Item	target	Item	target
Pd content,wt%	0.5±0.05	carbon	balance
Particle distribution	4.75mm up,5max; 2.36-4.75mm,90min	Surface area,m2/g	900-1000
appearance	Black granule	iron	300ppm max
copper	50ppm max	surfur	500ppm max

Reference operating conditions：

Temperature：260-300℃

Pressure：5.0-8.0Mpa,

partial pressure of hydrogen：0.4-0.8Mpa

Space velocity：5-15 hr-1

Material,PTA concentration：28%;4-CBA content：3300ppm

Conversion rate of 4-CBA,98%min.

Packing and storage：

This product is flammable，it need to be stored in sealed , shady and cool condition

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