measurement of gas solid adsorption equilibria

... Axial Profiles of Cross-Sectional Averaged Voidage 10.4.2 Radial Profiles of Voidage and Solids Flux 10.4.3 Overall Solids Holdup 10.5 Local Solids Flow Structure 10.5.1 Transient Nature of Solids ... phenomena associated with gas- solid flows, as well as characteristics of selected gas- solid flow systems It covers the typical range of particle sizes of interest to gas- solid flows, i.e., ^m-10 ... propagation through a gas- solid suspension flow, thermodynamic properties of a gas- solid mixture, flow instability, and gas- solid turbulence interactions Chapter is concerned with gas- solid separations...

Ngày tải lên: 02/04/2014, 15:00

... Volumetric Measurement of Pure Gas Adsorption Equilibria (N = 1) 2.1 Experimental 2.2 Theory 2.3 Uncertainties or Errors of Measurements 2.4 Example Thermovolumetry Volumetric Measurement of Multicomponent ... Errors of Measurements 2.3 Examples Thermogravimetry Gravimetric Measurement of Multicomponent Gas Adsorption Equilibria (N > 1) 4.1 Experimental 4.2 Theory 4.3 Uncertainties or Errors of Measurement ... Gravimetric Measurements of Binary Coadsorption Equilibria 3.1 Experimental 3.2 Theory 3.3 Uncertainties or Errors of Measurement 3.4 Example 3.5 Densimetric-Volumetric Measurements of Binary Coadsorption...

Ngày tải lên: 07/03/2014, 17:20

... Department of Energy, Of ce of Basic Energy Sciences, Division of Chemical Sciences, under Contract No DEAC03-76SF00098 The authors also want to acknowledge the help of Andrew C Tam of IBM Almaden ... of incident energy as an indication of the actual energy coupled to the material Calculation of maximum melt depth versus laser fluence is presented in Fig 3͑d͒ Thermal emission from the top of ... equation, W is the impedance of the oscilloscope ͑50 ⍀͒, ␶͑␭͒ the spectral transmission of the lenses and filters, D(␭) the responsivity of the germanium diode ͑in units of A/W͒, ⑀Ј͑␭,␪,␾,T͒ the directional...

Ngày tải lên: 06/05/2014, 08:54

... rate and amount of condensables in raw gas To get a measurement of the mass flow rate of raw gas leaving the gasifier, a known flow rate of an inert gas, e.g., helium, is mixed with the gasification ... ratio of the raw gas if the gasifier is operated without in-bed metal oxide When a measurement of the flow rate of the raw gas (YG,F) is available, an alternative method to determine the amount of ... CHON mass fractions of raw gas with the unit mass of helium fed to the gasifier In a similar manner, a rapid measurement of the amount of condensables (tar + water) leaving the gasifier can be obtained...

Ngày tải lên: 01/08/2016, 09:32

... levels of translucency of noodles made from the soft, low-FSV wheat flour and the soft, high-FSV wheat flour (9.25% protein) were 39.75 and 43.75%, respectively The mean levels of translucency of ... values of raw WSN sheets from soft and hard wheat flour samples Measurements of L*, a*, and b* usually give low standard deviations (SD) using the method described and this study gave mean SD of ... disks and strands from six WSN mixes of ASWN and gelatin, following standard procedures for sensory examination of foods (Standards Australia 1995) Measurement of Color in Experiments 2, 3, and...

Ngày tải lên: 16/12/2012, 15:25

... Calorific Value of coal = 14840 kJ/kg Carbon fraction of coal = 0.849948 Carbon fraction of natural gas = 0.75 Combustion efficiency of coal = 26% Combustion efficiency of natural gas = 80% Gas Turbine: ... HRSG, mg is the mass of gas (kg), hg is the enthalpy of gas at the inlet to the HRSG (kJ/kg), hstk is the enthalpy of gas at the stack conditions (kJ/kg), ms is the mass of steam generated in ... the work loss factor due to mixing of cooling air with hot ( gas in the gas turbine, hgt , g ) in ( and hgt , g ) out is the enthalpy of gas in and out of the gas turbine (kJ/kg), respectively...

Ngày tải lên: 05/09/2013, 15:28

... aspects of measurement scales are considered before going on to examine the attributes of instruments for the measurement of spasticity Level of measurement There are four distinct levels of measurement ... method of assessment – level of measurement The Tardieu method of assessment provides a composite measure of spasticity The quality of the muscle reaction (X) is a categorical level of measurement ... testing of spasticity J Biomed Eng, 6: 9–16 Becher, J., Harlaar, J., Lankhorst, G J & Vogelaar, T W (1998) Measurement of impaired muscle function of the The measurement of spasticity gastrocnemius,...

Ngày tải lên: 01/11/2013, 10:20

... has two atoms of hydrogen and one of oxygen combined together Similarly, methane gas, which forms the main part of natural gas, is made up of one atoms of carbon and four atoms of hydrogen So ... characteristics of the fuel and the way it burns Table 1.4 below provides the comparison of properties of typical gases Table 1.4 Comparison of Properties of Typical Gases Natural Gas Commercial ... between the number of molecules and the volume of gases, the equation shows the volumes of gases involved So, FIGURE 2.4 Combustion of methane 18 Combustion FIGURE 2.5 The volumes of gases involved...

Ngày tải lên: 16/02/2014, 07:20

... analysis The analysis of the microarray results presented in Table required the use of an arbitrary ‘cut-off’ value for level of gene expression, an approach that introduces an element of bias into the ... expression profile of cells expressing the VV-II mutant form of STAT2 was more similar to that of U6A cells than that of U6A-2 cells (Level 1) IFN treatment led to the further segregation of the sample ... number of genes in U6A and U6A-2 cells, IFN-treated U6A-VV-II cells showed the down-regulation of a substantially larger subset of genes Identification and characterization of a subset of ISGF3-independent...

Ngày tải lên: 19/02/2014, 07:20

... hence the rate of accumulation of component i in V is Rate of change of d moles of compo- = dt nent i in V np φ V xij ρj Sj dV (2.1.5) j=1 Convection Terms Part of the accumulation of component ... of the porous medium bounded by a surface, S(t) A material balance on component i in the control volume can be stated as Rate of change of amount of component i in V (t) = Net rate of inflow of ... in the presentation of the important ideas Much of the material in this book that describes flow of gas/ oil mixtures follows from the work of an exceptionally talented group of graduate students:...

Ngày tải lên: 05/03/2014, 18:20

... the measurement of the UE activity The UE activity is studied as a function of the magnitude of the dimuon transverse momentum (pT = |pT ,1 + pT ,2 |) and as a function of M The dependence of ... expressed in terms of the average of the scalar sum of the transverse momenta of primary charged particles per unit pseudorapidity per unit azimuthal separation The ratio of the energy and particle ... Page of 24 different kinematic regions with varying transverse momentum of /Z due to harder or softer initial-state radiation (ISR) The comparison of the UE measurement in DY events...

Ngày tải lên: 07/03/2014, 17:20

... 18 transcripts with a total of 11,704 words and a mean length of utterance of 2.9, and (B) 23 transcripts with a total of 40,819 words and a mean length of utterance of 7.0 5.2 Results Scores computed ... made more accurate with the knowledge of the expected levels of precision and recall of automatic assignment of specific GRs It is our intuition that in a number of cases it would be preferable to ... from zero to 112.1 Some of the language structures required in the computation of IPSyn scores (such as the presence of auxiliaries or modals) can be recognized with the use of existing child language...

Ngày tải lên: 08/03/2014, 04:22

... series of 0, 5, 10, , 100 % of ethanol in 3.10-2 MnSO4 solution Similarly, working solutions of Mn(VII) include series of 0, 5, 10, , 100 % of ethanol in 2.10-2 M KMnO4 solution The procedure of ... liquid and solid phase respectively; Cm is maximum concentration of arsenic in adsorbent We can determine C m (maximum adsorption capacity of adsorbent) by graphic method The curve of relation ... adsorbent respectively (similar of [9]) , while the Cmax of nano MnO2 coated material reached to value of 138,89 mg/g In competition, the maximum adsorption capacity of nano MnO2 coated material...

Ngày tải lên: 14/03/2014, 10:20

... value (10 measurements of each sample) of each sample is reported in the paper For example, we measure the BSL level of water via the proposed OTDR-based fiber sensor under 10 time measurements ... average value of the 10 time measurements is about 35.0623 dB, as also illustrated in red dash line of Figure Figure Output BLS levels from the OTDR traces at 1,100 m SMF long under 10 time measurements ... deviation of the measurement is about 0.03033 By considering the laser power fluctuation and the OTDR only gives accuracy of the second digit after the decimal point We can also estimate that the measurement...

Ngày tải lên: 14/03/2014, 20:20

... functionalities Analyses of the effects of chlorination of raw water during adsorption and UF could also establish some correlation of NOM removal and membrane permeability with alteration of the physicochemical ... sorption mech- Fig Comparison of UV removal efficiency between IOP and PAC adsorbents: adsorption time, 30 589 anisms of the adsorbents The majority of active sorption sites of nonporous IOP are located ... immediately quenched by the addition of sodium sulfite 2.4 Adsorption tests To evaluate efficiencies of NOM removal by different adsorbents, such as IOP and PAC, adsorption isotherm tests were performed...

Ngày tải lên: 16/03/2014, 00:07

... value of SiO2 is 3.5 nm wider than that of Si Consequently, the SiNW of around 22 nm in diameter in Fig was estimated to consist of the core silicon crystal of 19 nm covered with silicon oxide of ... 0.491 nm of the lattice parameter for the (1 0) plane of quartz [21], q = 3.2 Â 10À19 C for the oxygen ion, and the average thickness of oxide of 12.5 nm as a result of the observation of the fractured ... temperature Fig is a schematic drawing of the electrical measurement of the SiNW covered with the silicon oxide layer The total resistance, R, is the sum of those of SiNW and silicon oxide as R ¼ R1...

Ngày tải lên: 16/03/2014, 15:05

... stress 6 REVIEW OF ELEMENTARY PRINCIPLES Thus the amount of deformation is of no significance (as it is with a solid) , but rather, the rate of deformation is characteristic of each individual ... definition (final value of N)t+ dN ≡ lim t→0 dt − (initial value of N)t t t (2.13) where the final value of N is the N of regions and computed at time t + the initial value of N is the N of regions and ... this form of the continuity equation in several future derivations 2.6 CONSERVATION OF ENERGY The first law of thermodynamics is a statement of conservation of energy For a system composed of a given...

Ngày tải lên: 17/03/2014, 14:01

... the processing of wastes derived from animal sources Biodegradable Capable of being degraded by plants and animals Biogas Gas resulting from the fermentation of waste in the absence of air (methane/carbon ... sulphide (a corrosive gas) ; moisture removal; pressurization to boost gas pressure; and removing carbon dioxide to increase the calorific value of the biogas However, the cost of the equipment required ... incorporate a number of different processes in a variety of combinations Additionally, MBT plant can be built for a range of purposes This section provides an overview of the range of techniques employed...

Ngày tải lên: 18/03/2014, 01:21

... acid Because the etching rate of the top surface of AAO is much slower compared with the etching rate of the side wall of AAO, it is assumed that the top surface of AAO is not etched much To verify ... rate of the top surface of AAO was much slower than the rate of the pore side wall, as shown in dashed lines of Fig 1(b) It is due to the mechanical packing stress is applied to the middle of the ... etching rate of the top surface is much slower compared with the etching rate of the pore of AAO in the pore widening process Fig (a) SEM image of AAO in side view and (b) schematic diagram of the...

Ngày tải lên: 20/03/2014, 13:04

... insulating grains The ratio of the slopes of straight lines, A/B, gives the ratio of reaction rate constants (k2 ) of H2 and CO; k2 of H2 is analyzed to be 14 times as large as that of CO Similar H2 response ... processing of materials toward innovations of gas sensors Micro-platforms fabricated with MEMS techniques are almost ready to be used in gas sensors Excellent heating and cooling characteristics of them ... Theory of power laws for semiconductor gas sensors, Sens Actuators B: Chem 128 (2008) 566–573 [6] N Yamazoe, K Shimanoe, Roles of shape and size of component crystals in semiconductor gas sensor...

Ngày tải lên: 20/03/2014, 13:05