1. Feature and purpose
     LYT―704B protective agent for hydroprocessing catalyst is made with the carrier of micropore Al2O3 and the active component MO and Ni. The catalyst has a tooth ball shape with the porosity over 45% and the feature of high activity of demetalization, high dirty capacity and lowered bed pressure.
2. Quality index

3. Applying conditions
     (1) Material: Being applicable to the hydroprocess of distillate and heavy oil.
     (2) Operating pressure: 40～20.0Mpa
     (3) Applicable temperature: 250～400℃
     (4) Liquid airspeed: 10.0～20.0h-1
4. Package, transportation and storage
     LYT―704B protective agent for hydroprocessing catalyst is put into hard fiber cans with covers and inner plastic bags. It has the name, net weight, batch No. and production date on the outside of cans. It will be covered and kept from damp, vibration and strong impact. It is forbidden to roll and throw the catalyst barrels in transportation and handling. It should be stored in the dry and ventilated storehouses and paid attention to moisture-proof. It is forbidden to contact with acids and the hazardous substances of alkali chemical reagent to avoid affecting the activity of catalyst.
    (Note: The document about the filling, sulfuration and operating specifications will be provided separately)