Item

PSR

PSR21

PSR31

Chemical ingredients

(%)

AL2O3

≥95

≥92

≥92

Accelerant

--

5

--

TIO2

--

--

1-3

Na2O

≤0.3

≤0.3

≤0.3

Physical properties

Appearance

white or reddish granular

Size mm

ø4-6 ball

Specific surface area m²/g

≥260

≥250

≥250

Pore volume ml/g

≥0.50

≥0.45

≥0.45

Bulk density g/ml

≥0.68

≥0.70

≥0.75

Point crush strength N/p

≥140

≥150

≥140

Attrition value %

≤1

<1.5

<1

Model

Specific surface areaa(m2/g)

Bulk density¦Ã¦Ñ (kg/l)

Compressive strengthp (N/piece)

Uses

PSR-21

≥240

0.700.75

≥120

high hydrolysis activity of COS,CS2 , high transform activity

PSR-31

≥110

0.901.00

>80

anti sulfation, high transform activity

PSR-41

>240

0.700.75

≥130

Catalyst

PSR-51

≥200

0.600.70

≥160

tail gas hydrogenation