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LYB-A of sulfur tolerant shift catalyst


1, performance characteristics

LYB-A sulfur tolerant shift catalyst is a kind of special carrier and cobaltmolybdenum carbon monoxide containing new additives of sulfur tolerant shift catalyst. Apply to the coal, heavy oil and residual oil as raw material to produce thetransformation process flow of gas and city gas medium voltage (1 ~ 5.0MPa),especially suitable for using coal as raw material in ammonia plant usingsuppression.

The catalyst has high mechanical strength, good low temperature activity, easysulfidation and regeneration, alkali erosion rate is low, the advantages of simple preparation process. The service life of the catalyst and the conditions of use, LYB-A is expected service life is 3 ~ 8 years. The fresh catalyst active component ofcobalt, molybdenum in cobalt oxide, molybdenum oxide form, use first vulcanization,metal oxide into sulfide, sulfur vulcanization process gas can be used alone, can also be used curing agents curing. LYB-A sulfur tolerant shift catalyst composition is simple, does not contain harmful substances, the equipment and human bodyduring curing, water only generate a small and with the process gas discharge, noharm to equipment.

The physicochemical properties of 2, catalyst

Appearance: oxidation state of gray green or blue green bar

Dimensions (mm): the diameter of 3.5 ~ 4.5

The content of effective components:

CoO,% (m/m) of 1.8 ± 0.2

MoO3,% (m/m) of 7.5 ± 0.5

Carrier + auxiliary% (m/m): allowance

Bulk density (kg/l): 0.80 ~ 0.90

Crush resistance force (N/cm): ≥ 120 (average)

The specific surface area (m2/g): ≥ 100 (before vulcanization)

The pore volume (ml/g): ≥ 0.20 (before vulcanization)

The size of catalyst can be based on user needs to adjust the size of the pile resistance, different density and different bed down.

3, the process conditions

Operating pressure, Mpa:1.0 ~ 5.0MPa

The operating temperature, : 180 ~ 500

The best temperature::200  ~ 450

The early entrance temperature is higher than the dew point temperature: 20

Heat resistant temperature: 550 

Heat tolerance time, h:4 ~ 6

Airspeed (Gan Ji) h-1:1000 ~ 6000

The water / gas, mol/mol: ~ 1.4

The sulfur content in the process gas: ≥ 0.01% (v/v), dry basis.

4, packaging, storage and transportation

Catalyst for cardboard packaging, lined with plastic bag (or according to userrequirements packaging). Avoid scrolling should catalyst in the process of transportation, collision and vibration, so as to avoid crushing. , good packaging products should be stored in dry warehouse, can not be in contact with other chemicals, to prevent pollution, damp and broken.

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