搜索结果: 1-13 共查到“石油与天然气工程 reduction”相关记录13条 . 查询时间(0.156 秒)
Relationship between Solubilization of Activated Sludge and Reduction of Excess Sludge Using New System of Alkaline Solubilization with High Speed Mixing
Activated sludge Excess sludge Alkaline solubilization High speed mixer Waste material Wastewater treatment
2010/9/8
Reduction of waste materials has become very important in the petroleum industry. Sludge accounts for 51% of waste materials produced in petroleum plants. Most sludge is excess activated sludge discha...
Selective Catalytic Reduction of NO with Fatty Acid Methyl Ester as Reductant over Ag/Al2O3 Catalyst
Nitrogen oxide Selective catalytic reduction Fatty acid methyl ester
2009/8/4
Selective reduction of NO using fatty acid methyl esters (FAMEs) as the reducing agents was investigated over 3 wt% Ag/Al2O3 catalyst. NO reduction with C6-C14 saturated FAMEs showed volcano-type temp...
Improvement of Catalysts for NOx Storage and Reduction for Gasoline-fueled Automotive Exhaust
Automotive catalyst NOx storage and reduction Lean burn engine
2009/8/4
Catalysts for nitrogen oxide (NOx) storage and reduction oxidize nitrogen monoxide (NO) emitted from automotive lean-burn engines to nitrogen dioxide (NO2) that is then stored on doped NOx storage ma...
Selective Oxidation of n-Butane over Highly Crystalline Vanadyl Pyrophosphate Catalyst Synthesized by Intercalation-exfoliation-reduction of Layered Vanadyl Phosphate Dihydrate
Exfoliation Vanadium-phosphorus oxide Selective oxidation n-Butane
2009/8/4
A novel synthetic method to prepare a highly crystalline (VO)2P2O7 catalyst by the intercalation-exfoliation- reduction of VOPO4·2H2O in alcohol is presented. Stepwise thermal treatment of layered VO...
Solubilization and Reduction of Activated Sludge from Petroleum Refinery Using High Speed Mixer and Alkaline Treatment
Alkaline solubilization High speed mixer Activated sludge treatment
2009/8/4
A practical solubilization plant (3 m3) for activated sludge was constructed beside the wastewater treatment plant (600 m3 activated sludge vessel) of a petroleum refinery to solubilize activated slu...
Performance of Ba-doped Ir/WO3-SiO2 Catalyst for Selective Catalytic Reduction of NOx with CO in Diesel Exhaust
Nitric oxide Selective reduction Carbon monoxide Ammonia Iridium catalyst
2009/8/4
Ba-doped Ir/WO3-SiO2 catalyst has high activity and good durability for the selective catalytic reduction of NO with CO in the presence of O2 (CO-SCR). The performance of this catalyst was investigate...
Catalytic Performance of Monolithic Ir/SiO2 Based Catalysts for Selective Reduction of NO with CO
Nitric oxide Selective reduction Carbon monoxide Iridium catalyst
2009/8/4
Ir/SiO2, Ir/WO3-SiO2 and Ba doped Ir/WO3-SiO2 powder catalysts have high activity for the selective reduction of NO with CO in the presence of O2 (CO-SCR). The present study investigated the activity...
Reduction of MoO3 to Porous Molybdenum Oxides and Its Catalytic Properties for Alkane Isomerization
Molybdenum trioxide Molybdenum hydrogen bronze Hydrogen reduction
2009/7/28
The catalytic activity of partially reduced Pt/MoO3 for alkane isomerization was investigated. The surface area of Pt/MoO3 was markedly enlarged by H2 reduction to a maximum after reduction at 673 K f...
Selective Catalytic Reduction of Nitrogen Monoxide with H2 or CO as Reductant in Presence of SO2
Selective reduction Nitrogen monoxide Hydrogen Carbon monoxide
2009/7/27
Ir/SiO2 and Rh/SiO2 catalysts showed excellent activity for NO reduction with CO or H2 in the presence of O2 and SO2. Ir/SiO2 catalyzed NO reduction with both CO and H2, whereas Rh/SiO2 catalyzed redu...
Effect of Fuel Additives on Reduction of Smoke and Particulate Matter, and Stabilization of Cycle-to-cycle Variation
Gas oil Fuel additive Particulate matter reduction
2009/7/24
Non-metallic additives are useful countermeasures to reduce smoke and particulate matter from diesel engine emissions. Non-metallic additives include nitro- and oxygenates, oxygenates and nitrogena...
FT-IR Spectroscopic Study of the Reaction Mechanism for Selective Reduction of NO over Sol-gel Prepared In2O3-Ga2O3-Al2O3 Catalysts
Nitrogen monoxide selective reduction Propene Gallium oxide catalyst
2009/7/24
The catalytic activity of Ga2O3-Al2O3 for the selective reduction of NO with propene was inhibited by the presence of H2O, whereas the catalytic activity of In2O3-Ga2O3-Al2O3 was significantly promot...
Rh/SiO2 Catalysts for Selective Reduction of NO with H2 in the Presence of SO2 and O2
Nitrogen monoxide Selective reduction Hydrogen Rhodium catalyst
2009/7/23
Rh/SiO2, as well as Ir/SiO2, catalysts showed excellent activity for NO reduction with H2 in the presence of O2 and SO2. In particular, the coexistence of O2 and SO2 was essential for NO reduction to...
Enhancement of FTS Activity and Selectivity by Introducing CO During Catalyst Reduction
Fischer-Tropsch Cobalt carbon monoxide reducibility Activity
2010/8/11
The effect of carbon monoxide (CO) on the Reduction of a calcined Ru-promoted Co/Al2O3 catalyst was investigated by introducing CO during the reduction procedure. The catalysts are characterized by di...