Nanostructured mno2 catalyst for oxidative desulfurization of diesel
Nanostructured mno2 catalyst for oxidative desulfurization of diesel
... NANOSTRUCTURED MnO2 CATALYSTS FOR OXIDATIVE DESULFURIZATION OF DIESEL DOU JIAN (B ENG (Hons) NUS) A THESIS SUBMITED FOR THE DEGREE OF MASTER OF ENGINEERING DEPARTMENT OF CHEMICAL ... desorption of γ -MnO2 nanospheres calcined at 400 oC 94 Figure 4.25 XRD pattern of 6%Co/γ -MnO2, 6%Ni/γ -MnO2 and 6%Mo/γ -MnO2 .94 Figure 4.26 SEM of 6%Co/γ -MnO2 95 Figure 4.27 SE...
Ngày tải lên: 26/11/2015, 22:48
ASTM D6079 11 Standard Test Method for Evaluating Lubricity of Diesel Fuels by the HighFrequency Reciprocating Rig (HFRR)
... end of the vibrator arm Ensure the holder is horizontal before fully securing the unit 11. 5 Using a pipette, place 0.2 mL of the test fuel into the test reservoir Copyright by ASTM Int'l (all rights ... Description of the test fuel and date sample taken Record the batch number of the test specimens Date of testing Report the test method number, D...
Ngày tải lên: 20/10/2014, 17:18
Synthesis and characterization of silicon nanowires using tin catalyst for solar cells application
... characteristics of the fabricated SiNWs solar cell under dark and light conditions the thickness of Si base substrate more thinly For improvement of conversion efficiency of the SiNWs solar cells, the ... performance Therefore, further reduction of the reflectance will be expected from the optimization of the synthesis conditions of SiNWs For analysis of the electri...
Ngày tải lên: 16/03/2014, 15:12
Báo cáo khoa học: The duality of LysU, a catalyst for both Ap4A and Ap3A formation pdf
... LysU-catalysed Ap 4A and Ap 3A synthesis Both synthetic mechanisms are catalysed in the presence of Mg2+, Zn2+ and inorganic pyrophosphatase The pathways share a common step in the formation of a lysyl-adenylate ... phosphate to give ADP (e), which then allows the formation of Ap 3A (d) The overall reaction is thus: 2ATP fi Ap 4A + 2Pi fi Ap 3A + 3Pi (Ap 4A) s...
Ngày tải lên: 30/03/2014, 10:20
Preparation, characterization and application of heterogeneous solid base catalyst for biodiesel production from soybean oil
... performances of these acid catalysts are still inferior compared with the base catalysts For this reason, a wide variety of solid bases have been examined for transesterification reactions for biodiesel ... of used vegetable oils using the heterogeneous WO3/ZrO2 catalyst for production of biodiesel Bioresour Technol 2010;101:S59e61 [10] Lou WY, Zong MH, Duan ZQ Ef...
Ngày tải lên: 05/05/2014, 08:42
Báo cáo hóa học: " A combination of hard and soft templating for the fabrication of silica hollow microcoils with nanostructured walls" pptx
... particles also adhere to the silica layers on the surface of CMCs Finally, upon calcination, the CMCs (hard templates) and amphiphilic molecules (soft templates) are burnt off, and silica hollow microcoils ... Biointerfaces 2004, 38: 127-130 doi:10.1186/1556-276X-6-330 Cite this article as: Rodriguez-Abreu et al.: A combination of hard and soft templating...
Ngày tải lên: 21/06/2014, 04:20
Báo cáo hóa học: " Facile Synthesis of Novel Nanostructured MnO2 Thin Films and Their Application in Supercapacitors" pptx
... surface of MnO2 and also possible intercalation/deintercalation of H? and alkaline metal cations in the bulk of MnO2 [29] Since the 3-D dandelion-like microspheres of the sample A are composed of ... 1036 substrate in the thin film form The effects of the synthesis temperature on the morphology of the films are investigated, and the capacitive behaviors of nan...
Ngày tải lên: 21/06/2014, 20:20
Báo cáo hóa học: " A Temperature Window for the Synthesis of Single-Walled Carbon Nanotubes by Catalytic Chemical Vapor Deposition of CH4 over Mo2-Fe10/MgO Catalyst" pptx
... 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
Báo cáo hóa học: " Sol–Gel and Thermally Evaporated Nanostructured Thin ZnO Films for Photocatalytic Degradation of " doc
... sol–gel 123 630 Nanoscale Res Lett (2009) 4:627–634 Fig Surface profile scans of ZnO thin films prepared by a thermal evaporation and b sol–gel Fig Photocatalytic degradation of TCP using ZnO thin ... orientation of sol–gel ZnO thin films and the hexagonal wurtzite structure of thermal evaporated films The degradation of TCP followed first-order kinetics fo...
Ngày tải lên: 22/06/2014, 00:20
Báo cáo hóa học: " High Activity of Hexagonal Ag/Pt Nanoshell Catalyst for Oxygen Electroreduction" pptx
... observed to form on the nanoshells’ surface It is possible that the trapping of the electrolyte species by pores with highsurface areas resulted in the high activity of the nanoshells for oxygen reduction ... electronic structure were reported to show high activity for the electroreduction of oxygen [13] In the present study, another reason for the high activity o...
Ngày tải lên: 22/06/2014, 01:20
ASTM D4539 10 Standard Test Method for Filterability of Diesel Fuels by LowTemperature Flow Test (LTFT)
... copies) of this standard may be obtained by contacting ASTM at the above address or at 610- 832-9585 (phone), 610- 832-9555 (fax), or service @astm. org (e-mail); or through the ASTM website (www .astm. org) ... above the wax appearance point (Test Method D3117) or cloud point (Test Method D2500) of the fuel under test During multiple specimen testing, a sufficient number...
Ngày tải lên: 20/10/2014, 17:18
ASTM D6371 05 Standard Test Method for Cold Filter Plugging Point of Diesel and Heating Fuels
... and automated apparatuses Both apparatuses are suitable for reference purposes 13 Report 15.1 automated cold filter plugging point; cold filter plugging point (CFPP); diesel; domestic heating fuels; ... flow rate in the vacuum regulator of a minimum of 15 L/h, and to maintain a constant vacuum of 200 mm (2 0 .05 kPa) for the duration of the test For multi-posi...
Ngày tải lên: 20/10/2014, 17:18
RAPID SYNTHESIS OF AUAG ALLOY ON LDHS HIGHLY ACTIVE CATALYST FOR BENZYL ALCOHOL OXIDATION
... of Au-Ag alloy/ NO3 -LDHs catalyst for alcohol oxidation reaction based on overall reaction progress 86 Figure 4.21 Product yield (%) of Au-Ag alloy/ NO3 -LDHs catalyst for alcohol oxidation ... Cl -LDHs catalyst for alcohol oxidation reaction with varying reaction temperatures 93 Figure 4.25 Product yield (%) of Au:Ag (1:1) deposited onto Cl -LDHs catal...
Ngày tải lên: 02/10/2015, 17:14
Development of novel deNPAC catalysts for treatment of diesel engine exhaust
... life of everyone As a major source of air pollution, vehicle exhaust is the problem of most concern of government and society Table 1.1 shows the exhaust composition of diesel engine and Otto engines, ... in the diesel engine exhausts The concentration of NPACs in diesel exhaust is dependent on the fuel type, the engine type and the engine working conditions F...
Ngày tải lên: 04/10/2015, 15:57
Báo cáo y học: " Derivation and preliminary validation of an administrative claims-based algorithm for the effectiveness of medications for rheumatoid arthritis"
... Derivation and preliminary validation of an administrative claims-based algorithm for the effectiveness of medications for rheumatoid arthritis Jeffrey R Curtis1,#, John W Baddley1,2, Shuo Yang1, ... VARA visits; all other data used for the analysis were from the administrative claims data To test the performance of the effectiveness algorithm...
Ngày tải lên: 25/10/2012, 10:45