large porous alumina prepared by special process as carrier parent compound, being shaped as hollow ring carrier, adding special additives ,
impregnating the carrier with active components salts ,drying and calcining to produce CC-00053 guard catalyst. It is a guard catalyst with good performance for hydrogenation catalyst. It not only has a good ability to absorb iron, arsenic, mechanical impurities, colloid, asphaltene and other impurities in raw materials, but also avoids iron and arsenic impurities entering the pore of the main catalyst, which can cause the main catalyst to be polluted and deactivated . The catalyst can protect the main catalyst effectively and remove impurities such as sulfur, nitrogen and saturated olefins a certain extent, reduce the pressure drop of the system and the load of the main catalyst effectively, and prolong the service life of the main catalyst.
Physical and chemical properties：
Index Item | Index | Index Item | Index |
Active components | MoO3-NiO- additives | Surface area，m2/g ≥ | 200 |
Appearance | Yellow-green hollow ring | Radial crushing strength，N/cm≥ | 40 |
Particle size，mm | ∮8×4×8 | Bulk density，kg/L | 0.50-0.55 |
Pore volume，mL/g ≥ | 0.45 |
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Operating conditions：
Operating conditions | Operating pressure，Mpa | Temp，℃ | Space velocity，hr-1 | Hydrogen/oil，V/V |
Matching with main catalyst | Matching with main catalyst | Matching with main catalyst | Matching with main catalyst | |
feedstock | Feedstock without hydrogenation by main catalyst | |||
product | —— | |||
Package: drums lined with plastic bags or according to customers’ requirement.
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