Control of catalytic hydrotreating selectivity with ammonia
The hydrogenation of phenanthrene in the presence of 24 kPa of ammonia was studied during the hydrodenitrogenation (HDN) of quinoline on a sulfided NiMo/Al{sub 2}O{sub 3} catalyst at 360{degrees}C, 6.9 MPa total H{sub 2} pressure in a vapor phase tubular reactor. Ammonia, through competitive adsorption, reduced the formation of phenanthrene hydrogenated products and the hydrocracking of 9,10-dihydrophenanthrene to biphenyl. The effects occur largely when the HDN reactions are substantially completed. 6 refs., 8 figs., 1 tab.
- Research Organization:
- Massachusetts Inst. of Tech., Cambridge, MA (United States)
- Sponsoring Organization:
- DOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- FG22-89PC89775
- OSTI ID:
- 6025918
- Report Number(s):
- DOE/PC/89775-6; ON: DE92003082
- Country of Publication:
- United States
- Language:
- English
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                            Related Subjects
                                
                                    
                                        
                                            01 COAL, LIGNITE, AND PEAT
010402 -- Coal
Lignite
& Peat-- Purification & Upgrading
010405* -- Coal
Lignite
& Peat-- Hydrogenation & Liquefaction
ADSORPTION
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
AMMONIA
AROMATICS
AZAARENES
AZINES
CATALYTIC EFFECTS
CHALCOGENIDES
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
CONDENSED AROMATICS
DOCUMENT TYPES
ELEMENTS
HETEROCYCLIC COMPOUNDS
HYDRIDES
HYDROCARBONS
HYDROGEN COMPOUNDS
HYDROGENATION
KINETICS
METALS
MOLYBDENUM
NICKEL
NITROGEN
NITROGEN COMPOUNDS
NITROGEN HYDRIDES
NONMETALS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PHENANTHRENE
PROGRESS REPORT
PYRIDINES
QUINOLINES
REACTION KINETICS
REMOVAL
SORPTION
SPECIFICITY
SULFIDES
SULFUR COMPOUNDS
TRANSITION ELEMENTS
                                            
                                        
                                    
                                
                            
                        010402 -- Coal
Lignite
& Peat-- Purification & Upgrading
010405* -- Coal
Lignite
& Peat-- Hydrogenation & Liquefaction
ADSORPTION
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
AMMONIA
AROMATICS
AZAARENES
AZINES
CATALYTIC EFFECTS
CHALCOGENIDES
CHEMICAL REACTION KINETICS
CHEMICAL REACTIONS
CONDENSED AROMATICS
DOCUMENT TYPES
ELEMENTS
HETEROCYCLIC COMPOUNDS
HYDRIDES
HYDROCARBONS
HYDROGEN COMPOUNDS
HYDROGENATION
KINETICS
METALS
MOLYBDENUM
NICKEL
NITROGEN
NITROGEN COMPOUNDS
NITROGEN HYDRIDES
NONMETALS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PHENANTHRENE
PROGRESS REPORT
PYRIDINES
QUINOLINES
REACTION KINETICS
REMOVAL
SORPTION
SPECIFICITY
SULFIDES
SULFUR COMPOUNDS
TRANSITION ELEMENTS