Catalytic oxidative CO2 reforming of methane over bimetallic pd ni catalyst

... profiles of fresh Pd Ni catalysts over several catalyst 62 supports Figure 3-3b XRD profiles of reduced Pd Ni catalysts 63 Figure 3-4 XPS spectra of PdNi catalysts: a) Pd 3d; b) Ni 2p; c) O 1s of 68 ... images of reduced Pd Ni/ Y2O3 catalysts 148 Figure 5-5 XRD patterns of fresh Pd Ni/ Y2O3 catalysts 150 Figure 5-6 TPR profiles of fresh Pd Ni/ Y2O3 catalysts 151 F...

Ngày tải lên: 10/09/2015, 08:41

... Conclusions A temperature window of SWCNTs growth by catalytic chemical vapor deposition of CH4 over Mo-Fe/MgO catalyst has been studied The results suggest that when the temperature is lower than 750 ... mg catalyst was put into the quartz tube The temperature was raised to the setting value in Ar atmosphere at a flow rate of 200 mL/min before CH4 w...

Ngày tải lên: 22/06/2014, 00:20

... adsorbents applied for many aspects, such as removal of color and odor, purification of waste water, and stripping of gaseous pollutants They can be prepared from any carbonaceous material by carbonization ... commercial sense OPCM-POM membrane reactor In addition, an optimal trade-off between catalytic activity and performance stability of POM catalyst is also crucial t...

Ngày tải lên: 09/09/2015, 10:13

... Growth of few-wall carbon nanotubes with narrow diameter distribution over Fe-Mo-MgO catalyst by methane/acetylene catalytic decomposition Vladimir A Labunov*†1, ... decomposition of methane/acetylene at 900°C over the catalyst leads to the formation of CNTs with diameters in the range of to 10 nm The phase of catalytic species in CNT was invest...

Ngày tải lên: 20/06/2014, 20:20

... for h The effect of noble metals on catalytic methanation reaction over supported Mn/ Ni oxide based catalysts 637 further studied on the next parameter; the effect of various calcination temperatures ... Isotherm plots of Ru /Mn/ Ni (5:35:60)/Al2O3 calcined at 1000 °C, fresh, (b) used1x, (c) used7x The effect of noble metals on cataly...

Ngày tải lên: 02/09/2015, 13:47

... intensity the lower the rate of methane oxidation Tentative regeneration of the catalyst in hydrogen led to the decomposition of sulphate species at temperatures as low as 350 ◦ C But, the catalytic ... reaction temperature in the range 0.8 ± 0.2 The influence of water concentration on the rate of oxidation of methane over Pd/Al2 O3 was also investigated by Burch e...

Ngày tải lên: 08/10/2015, 22:56

... Then p1 ⊂ pj , contradiction i=1 Hence m = p1(Rα)T The natural candidate for the total specialization of Rpu is the semi -local ring (Rα)T Definition We call (Rα)T a total specialization of ... ground-form of pu The prime ideal pu is called a separable prime ideal if it’s ground-form is a separable polynomial We have the following lemma: Lemma 2.1.[1, Satz 14]...

Ngày tải lên: 13/02/2014, 03:20

... histidine residues in PETN reductase inferred to be involved in ligand binding and counterpart residues in related enzymes and also the location of the tyrosine residue implicated as proton donor in ... unusual in having two histidine residues (rather than the His-Asn pair seen in OYE, MR and some of the other member proteins; Fig 1B) in the active...

Ngày tải lên: 20/02/2014, 02:21

... A L Barab´ si 2000 The large-scale organization of a metabolic networks Nature, 406:651-654 R Jakobson and M Halle 1956 Fundamentals of Language, The Hague: Mouton and Co P Ladefoged and I Maddieson ... us assume that the inventory of all the languages comprises of 21 consonants We further assume that the consonants are arranged in their hierarchy of preferen...

Ngày tải lên: 08/03/2014, 02:21

... first of the senses of companies Extraction of Attributes for Hierarchy Concepts: The labeled classes of instances linked to conceptual hierarchies constitute the input to the acquisition of attributes ... root of the hierarchy The resulting sets of instances constitute the input to the acquisition of attributes, which consists of four stages: 1) identification of...

Ngày tải lên: 08/03/2014, 21:20

... structure of about m height The surface of the structure consists of grayblack microbial mat; the interior of the massive mat is pink The greenish-gray inner part of the structure consists of porous ... permanently anaerobic seep environment To directly trace the uptake and transformation of methane into organic and inorganic matter, we incubated 1-cm-thick pieces of micro...

Ngày tải lên: 12/06/2014, 11:18

... the study of exponential stretching surface Mention may be made to the works of Magyari and Keller [11], Sanjayanand and Khan [12], Khan and Sanjayanand [13], Bidin and Nazar [14] and Nadeem ... [12] Sanjayanand E, Khan SK: On heat and mass transfer in a viscoelastic boundary layer flow over an exponentially stretching sheet Int J Therm Sci 2006, 45: 819–828 [13] Khan SK, San...

Ngày tải lên: 20/06/2014, 20:20

... for the production of energy from textile wastewaters from cotton desizing was developed Such desizing liquors were fermented by methane- producing microbes to biogas For this purpose, a semi-industrial ... wastewater of more than 85%, on one hand, and the production of a valuable energy source, on the other, yield two economic advantages Thus, an innovative technology for...

Ngày tải lên: 20/06/2014, 21:20