·Based on these studies the kinetic behavior of coke burning is discussed in this work The main purpose is to explore suitable conditions for the catalyst regeneration for enhancing the production capacity of equipment and for extending the operating lifetime of
·The coke burning rate during the regeneration of coked catalysts w dt dq o =− determined mainly as a kinetic equation w = w T C q c Often for practical purposes the following
·Restoring the activity of a permanently deactivated catalyst with standard regeneration procedures is difficult Fortunately catalyst deactivation due to coke deposition is usually reversible and the coke can easily be removed by oxidation with air O 2 [3 8 11] Indeed in most industrial processes coke is typically burned off with air to reactivate the
The main production equipment are full automatic dispensing system 3500 tons elec trode forming extruder a 24 chamber ring roaster a 32 chamber double I deck roaster high pressure Impregnation equipment CNC machining machine and international advanced sub processing automatic line and advanced detection equipment" Hebei Hongkuo Trading Co
Olefins are crucial building blocks for petrochemical industry serving as raw materials for the production of various products such as plastics synthetic fibers detergents solvents and other
·The removal efficiencies of typical unintentionally produced persistent organic pollutants UP POPs from flues gases from coke gas burning were obtained using selective catalytic reduction SCR
Coke burning Thus the amount of heat that must be produced by burning coke ia the regenerator is set by the heat balance requirements and not directly set by the coke making tendencies of the catalyst used ia the catalytic cracker or by the coking tendencies of the feed Indirectly these tendencies may cause the cracker operator to change some of the heat balance elements
·The regeneration of a coked naphtha reforming catalyst Pt/Re Al 2 O 3 was studied by kinetic investigations on the effective rate of coke temperatures of industrial relevance for the catalyst below 550 ∘ C deactivation the coke burn off within the cylindrical particles d P ≈ 2 mm is determined by the interplay of chemical reaction and pore
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