recovery abatement of exhaust gases

... catalytic activity of three-way catalysts based on mixed metal oxides for the treatment of exhaust gases from internal combustion engine CONTENT OF THESIS LIST OF TABLES LIST OF FIGURES INTRODUCTION ... catalytic activity of three-way catalysts based on mixed metal oxides for the treatment of exhaust gases from internal combustion engine LIST OF TABLES Table 1.1 Example of exhaust conditions ... oxides for the treatment of exhaust gases from internal combustion engine LIST OF FIGURES Figure 1.1 Micrograph of diesel soot, showing particles consisting of clumps of spherules [110] 13 Figure...

Ngày tải lên: 12/05/2014, 17:14

Ngày tải lên: 06/12/2012, 08:27

... Characterization of nanotubular TiO2 films Figure shows SEM images of the surface of TiO2 thick films composed of nanoparticles (a) and nanotubes (b-d) Uniform TiO2 nanotubes of 600 nm in length ... lower sensitivity to all gases because of the decrease in the porosity Thus, the results obtained suggests that the microstructure control of sensing layers in terms of particle packing density ... probably because of the improved particle packing density in the sensing film Thus, the results obtained indicate the importance of the microstructure control of sensing layers in terms of tube length,...

Ngày tải lên: 19/03/2014, 16:47

... combustion of Pd/titanate nanotube is considerably better than that of Pt/titanate nanotube 3.3 The response properties of sensors after H2S poisoning Fig shows the voltage response property of S1 ... / Current Applied Physics (2009) 172–178 3.4 The recovery properties of sensor response after UV radiation Fig shows the recovery properties of sensors with UV radiation for 50 h When UV light ... Gas-phase destruction of H2S using TiO2/UV–Vis, J Photochem Photobiol A 112 (1998) 73 [14] J.P Chen, R.T Yang, Mechanism of poisoning of the V2O5/TiO2 catalyst for the reduction of NO by NH3, J Catal...

Ngày tải lên: 20/03/2014, 13:06

... 1999 from the Institute of Electronics of the National Academy of Sciences of Belarus In 1981–2000 he worked at the Physical Technical Institute of the Academy of Sciences of Belarus, Minsk, first ... other gases of interest the temperature of 300 8C has been selected as operating temperature of the investigated sensor array 3.2 Analysis of response kinetics For the second stage, a new batch of ... response to other gases of interest As can be seen from the table, some of the materials demonstrated maximum sensitivity towards particular gases at 200 8C Nevertheless, the temperature of 300 8C was...

Ngày tải lên: 20/03/2014, 13:07

... Cooling of gases Partial pressure of nitrogen tetroxide Total pressure of gases The concentration of nitrous gases by various methods Liquefaction Velocity of gases Liquid phase Effect of temperature ... the supply of fixed nitrogen is of vital importance to the existence of the nation I n almost all processes for the fixation of nitrogen the production of oxides of nitrogen is one of the fundamental ... number of gram-mols.) of nitric oxide M = Initial volume (or number of gram-mols.) of oxygen pc = Volume of oxygen changed in time t in 100 volumes of mixture V = Total initial volume of gas...

Ngày tải lên: 09/05/2014, 17:03

... comparability of motion parameters represent the main Page 14 of 17 advantage of using motion capture system with respect to EMG, where the level of noise of the recorded signal and the criticality of electrodes ... [28] For each acquisition, the center of mass of activated areas was calculated, weighting the intensity, of each cluster of voxels included into the areas of interest (motor ROIs) To estimate ... expression of neural plasticity: indeed, depending on lesion location, a compensatory recruitment of bilateral cortical regions can be part of the motor recovery The standard statistical analysis of...

Ngày tải lên: 19/06/2014, 08:20

... (CPR; blood gases and electrolytes); all forms of dyspnea or hypoxia (blood gases) ; suspected acidosis (blood gases and electrolytes); cardiogenic shock resistant to therapy (blood gases and electrolytes); ... Prehospital point of care testing of blood gases and electrolytes — an evaluation of IRMA Critical Care 1997 1:79 Submit your next manuscript to BioMed Central and take full advantage of: • Convenient ... usefulness of a new transportable blood analyzer at the site of an emergency, and the immediate therapeutic consequences A prerequisite of the study was not to disturb the essential treatment of emergency...

Ngày tải lên: 12/08/2014, 18:20

... the effect of helium was the result of a beneficial effect of pressure per se combined with an attenuation of the deleterious effects of nitrogen [77] Interestingly, an in vitro model of hypoxic/ischemic ... absence of added glycine (black bars) gives robust protection (32 ± 6% of control injury) However, the protective effect of 50% atm xenon is abolished in the presence of 100 μM glycine Addition of ... for example, has a value of α of 4.04 Å3, which is 19 times greater than that of helium (0.21  Å3) and 10 times that of neon (0.39  Å3) Argon and krypton have α values of 1.64 Å3 and 2.48 Å3,...

Ngày tải lên: 13/08/2014, 20:22

... Number of nodes Number of nodes 1 (d) Relative error (D) (c) Relative error (C) 10 0.1 0.01 0.001 10 100 10 10 0.1 0.01 0.001 10 100 10 10 Number of nodes Number of nodes Fig Relative error of ... acoustic behaviour of exhaust devices consisting of several subdomains The use of nonmatching grids at the connecting interfaces between subdomains increases the flexibility of the procedure and ... represents the number of domain elements in the discretization of the subdomain X1, N e the number of contour elements associated with 1bc boundary conditions and Ne the number of contour elements...

Ngày tải lên: 03/12/2014, 23:41

... a defined amount of space Gases that are not in closed containers not have defined volumes The Behavior of Molecules  21 table 2.3 PROPERTIES OF EACH STATE OF MATTER State of Matter Shape Volume ... behavior of molecules in chemistry determines the state of matter, or phase of a substance The state of matter tells you how molecules move, behave, and are organized in 12 The Behavior of Molecules  ... the structure of each element An atom is the smallest part of an element that still maintains the properties of that element An atom is the fundamental unit of an element Atoms of different elements...

Ngày tải lên: 14/01/2016, 15:45

... defined as the ratio of the mass m (in kg) of X in the box to its removal rate, which is the sum of the flow of X out of the box (Fout), chemical loss of X (L), and deposition of X (D) (all in kg/sec): ... averages of atmospheric concentrations of up to a few centuries rather than annual or decadal levels Since the beginning of the Industrial Revolution, the concentrations of most of the greenhouse gases ... that recovery from a large input of atmospheric CO2 from burning fossil fuels will result in an effective lifetime of tens of thousands of years [70][71] Carbon dioxide is defined to have a GWP of...

Ngày tải lên: 09/06/2016, 14:47

... internal diameter of 0.2 m and a height of 0.8 m (effective volume of 20 L) The ozonation system received sludge withdrawn continuously from the end of the anoxic tank When the amount of sludge reached ... into the system The characteristics of the influent wastewater were as follows: 160–200 mg/L of SS, 55–80 mg/L of TOC, 45–55 mg/L of T-N, and 4.0–5.5 mg/L of T-P In this study, four different ... Concentration of each type of phosphorus in the influent and effluent of the phosphorus adsorption column The small graph at the right shows the breakthrough point (PO4-P concentration: mg/L) of the...

Ngày tải lên: 05/09/2013, 09:38

... estimation of the concentration values of various products of combustion is possible assuming chemical equilibrium However, the concentrations of the pollutants in the exhaust tail pipe of ICE differ ... manifold, and inlet valves On the other side, the exhaust domain which includes exhaust valves, exhaust manifold and exhaust pipes In the pipe calculation of multi-cylinder engine, gas dynamic effect ... portion of spent up gases are exhausted This means, that there is less dilution of the charge and charge density is greater during the burning process In addition to this, the temperature of the...

Ngày tải lên: 05/09/2013, 15:28

... quantities of gases emitted into the atmosphere, expressed in terms of emissions of greenhouse gases, it is possible to determine the environmental effects of the different production phases of the ... energy content are: the reduction of mass and volume of solid waste, the reduction of pollutants and the potential recovery of energy that can be sold The process of recovering wood waste is taken ... input/output of the biomass energy recovery plant of MWh of produced electricity is illustrated Input De oiled pomace Waste wood air urea water transport Output Electricity exhaust gases water...

Ngày tải lên: 05/09/2013, 16:10

... supply large volume of biodiesel, in fact, nearly half a dozen states of India have reserve a total of 1.72 million hectares of land for Jatropha cultivation and small quantities of Jatropha biodiesel ... temperature of JOME Figure Variation of exhaust gas temperature with BMEP Figure Variation of carbon monoxide emission with BMEP 3.6 Unburned hydrocarbon emission Figure shows the variation of Unburned ... electronic scale For the analysis of the exhaust gases, Eurotron green line gas analyzer and AVL 437 smoke meter was used Figure Biodiesel reactor Table Fuel properties of diesel and JOME Properties...

Ngày tải lên: 05/09/2013, 16:11

... which are balance mode, dc-offset mode and discontinuous mode DC offset and discontinuous mode operation are illustrated in Fig.5 In the dc-offset mode, the IGBT will turn off at non zero voltage ... ON VLL Vdc Equivalent circuit of SVC MERS is close to 30Ó and in this case reactance of SVC MERS ( ×Ú Ñ Ö× ) is equal to real reactance of MERS capacitor ( ) Dc-offset mode appeares when Æ is ... 19 Simulation result of transient characteristic of the system from full load to half load 200 100 2.1 Time (s) 2.2 2.3 Fig 18 Simulation result of transient characteristic of the system from no...

Ngày tải lên: 15/10/2013, 16:10

... quarter of the resonance period of L and C of the MERS, vmers, becomes sinusoidal, consequently the terminal voltage,vterm, also becomes sinusoidal Fig shows simulated waveforms of 'dc-offset ... Applications of voltage control of induction motor were investigated Stability problem because of self-excitation of series com- 924 Authorized licensed use limited to: TOKYO INSTITUTE OF TECHNOLOGY ... cycle of the ac power source and controlled synchronously The phase difference between the voltage of the power source and the switching can be controlled The principle of the operation of the...

Ngày tải lên: 15/10/2013, 16:10

... rating investigations Magnetic Energy Recovery Switch (MERS) Configuration and operation The configuration of the magnetic energy recovery switch (MERS) consists of forced commutated switches and ... The operation principle of the MERS is based on controlling the path of the current through the device(Fig 2) Examples of resulting curves are shown in Fig Two modes of operation are indicated, ... similar to that of a single phase full bridge, but the control is different and the size of the capacitor is several times smaller Authorized licensed use limited to: TOKYO INSTITUTE OF TECHNOLOGY...

Ngày tải lên: 15/10/2013, 16:11

... waveforms of generated current i and capacitor voltage v by the circuit of Fig Gate signals to U and Y of the full-bridge inverter and V and X of the MERS are also shown Gate signals of MERS are ... hand, the capacitor of MERS only stores the energy of one cycle The capacitor of MERS discharges all of its charge and the voltage becomes zero Therefore, the total size of capacitors is reduced ... are part of LC resonance and are given by Consequently (1) where is the inductance of the magnet and is the capacitance of the MERS In general, it is much shorter than the time constant of the...

Ngày tải lên: 15/10/2013, 16:12