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Inclusion efficiencies

The aim of this work was to study the optimization of synthesizing red inorganic pigments for ceramic applications. In order to improve the inclusion efficiency of hematite into silica and zircon... [Pg.65]

Nano-sized and homogeneous hematite particles were obtained into sintered cristobalite-zircon matrix after heat treatment at 1000°C/3h and 1100°C/3h. Occluded hematite particles have been spherical shapes with 5-10 nm diameters. Changes of sintering temperatures did not show any effect on hematite morphology but it was important about red shade, inclusion efficiency and thermal-chemical stability of the pigments. [Pg.70]

Due to its high inclusion efficiency, this heteromorphic pigment may be considered to be a suitable red pigment for ceramic applications. [Pg.70]

Bhandari B.R., DArcy B.R., and Le Thi Bich L., 1998. Lemon oil to P-cyclodextrin ratio effect on the inclusion efficiency of P-cyclodextrin and the retention of oil volatiles in the complex. Journal of Agricultural... [Pg.863]

Use of a low temperature shift converter in a PSA hydrogen plant is not needed it does, however, reduce the feed and fuel requirements for the same amount of hydrogen production. For large plants, the inclusion of a low temperature shift converter should be considered, as it increases the thermal efficiency by approximately 1% and reduces the unit cost of hydrogen production by approximately 0.70/1000 (20/1000 ft ) (140,141). [Pg.420]

Analytically, the inclusion phenomenon has been used in chromatography both for the separation of ions and molecules, in Hquid and gas phase (1,79,170,171). Peralkylated cyclodextrins enjoy high popularity as the active component of hplc and gc stationary phases efficient in the optical separation of chiral compounds (57,172). Chromatographic isotope separations have also been shown to occur with the help of Werner clathrates and crown complexes (79,173). [Pg.75]

Ladle metallurgy, the treatment of Hquid steel in the ladle, is a field in which several new processes, or new combinations of old processes, continue to be developed (19,20). The objectives often include one or more of the following on a given heat more efficient methods for alloy additions and control of final chemistry improved temperature and composition homogenisation inclusion flotation desulfurization and dephosphorization sulfide and oxide shape control and vacuum degassing, especially for hydrogen and carbon monoxide to make interstitial-free (IF) steels. Electric arcs are normally used to raise the temperature of the Hquid metal (ladle arc furnace). [Pg.380]

Immobilization. The abiUty of cyclodextrins to form inclusion complexes selectively with a wide variety of guest molecules or ions is well known (1,2) (see INCLUSION COMPOUNDS). Cyclodextrins immobilized on appropriate supports are used in high performance Hquid chromatography (hplc) to separate optical isomers. Immobilization of cyclodextrin on a soHd support offers several advantages over use as a mobile-phase modifier. For example, as a mobile-phase additive, P-cyclodextrin has a relatively low solubiUty. The cost of y- or a-cyclodextrin is high. Furthermore, when employed in thin-layer chromatography (tic) and hplc, cyclodextrin mobile phases usually produce relatively poor efficiencies. [Pg.97]

The optimum pressure level for gaseous diffusion operation is also determined by comparison at some pressure level the decrease ia equipment size and volume to be expected from increasing the pressure and density is outweighed by the losses that occur ia the barrier efficiency. Nevertheless, because it is weU known that the cost of power constitutes a large part of the total cost of operation of gaseous diffusion plants, it can perhaps be assumed that a practical value of r does not differ gready from the above optimum. Inclusion of this value ia the preceding equations yields... [Pg.87]

Detention efficiency. Conversion from the ideal basin sized by detention-time procedures to an actual clarifier requires the inclusion of an efficiency factor to account for the effects of turbulence and nonuniform flow. Efficiencies vaiy greatly, being dependent not only on the relative dimensions of the clarifier and the means of feeding but also on the characteristics of the particles. The cui ve shown in Fig. 18-83 can be used to scale up laboratoiy data in sizing circular clarifiers. The static detention time determined from a test to produce a specific effluent sohds concentration is divided by the efficiency (expressed as a fraction) to determine the nominal detention time, which represents the volume of the clarifier above the settled pulp interface divided by the overflow rate. Different diameter-depth combinations are considered by using the corresponding efficiency factor. In most cases, area may be determined by factors other than the bulksettling rate, such as practical tank-depth limitations. [Pg.1679]

Manfrida, G. (1999), Opportunities for high-efficiency electricity generation inclusive of CO capture, Int, J, Appl, Thermodyn, 2(4), 165-175. [Pg.165]

During the manufacturing process, if the grafting increases during early stages of the reaction, the phase volume will also increase, but the size of the particles will remain constant [146-148]. Furthermore, reactor choice plays a decisive role. If the continuous stirred tank reactor (CSTR) is used, little grafting takes place and the occlusion is poor and, consequently, the rubber efficiency is poor. However, in processes akin to the discontinuous system(e.g., tower/cascade reactors), the dispersed phase contains a large number of big inclusions. [Pg.658]

Inclusion of thermography into a predictive maintenance program will enable you to monitor the thermal efficiency of critical process systems that rely on heat transfer or retention electrical equipment and other parameters that will improve both the reliability and efficiency of plant systems. Infrared techniques can be used to detect problems in a variety of plant systems and equipment, including electrical switchgear, gearboxes, electrical substations, transmissions, circuit breaker panels, motors, building envelopes, bearings, steam lines, and process systems that rely on heat retention or transfer. [Pg.800]

The polymer-solvent interaction parameter, which is a key constant defining the physical chemistry of every polymer in a solvent, can be obtained from electrochemical experiments. Definition and inclusion of this interaction was a milestone in the development of polymer science at the beginning of the 1950s. We hope that Eq. 47 will have similar influence in the development of all the cross-interactions of electrochemistry and polymer science by the use of the ESCR model. A second point is that Eq. 47 provides us with an efficient tool to obtain this constant in electroactive... [Pg.403]

A pilot scale UASB reactor was simulated by the dispersed plug flow model with Monod kinetic parameters for the hypothetical influent composition for the three VPA ccmiponents. As a result, the COD removal efflciency for the propionic acid is smallest because its decomposition rate is cptite slow compared with other substrate components their COD removal eflSciencies are in order as, acetic acid 0.765 > butyric acid 0.705 > propionic acid 0.138. And the estimated value of the total COD removal efficiency is 0.561. This means that flie inclusion of large amount of propionic acid will lead to a significant reduction in the total VFA removal efficiency. [Pg.664]


See other pages where Inclusion efficiencies is mentioned: [Pg.111]    [Pg.694]    [Pg.65]    [Pg.217]    [Pg.880]    [Pg.318]    [Pg.111]    [Pg.694]    [Pg.65]    [Pg.217]    [Pg.880]    [Pg.318]    [Pg.2065]    [Pg.189]    [Pg.312]    [Pg.66]    [Pg.70]    [Pg.73]    [Pg.73]    [Pg.75]    [Pg.75]    [Pg.308]    [Pg.394]    [Pg.124]    [Pg.254]    [Pg.58]    [Pg.338]    [Pg.462]    [Pg.505]    [Pg.2551]    [Pg.335]    [Pg.20]    [Pg.174]    [Pg.85]    [Pg.48]    [Pg.56]    [Pg.73]    [Pg.81]    [Pg.312]    [Pg.663]    [Pg.92]   
See also in sourсe #XX -- [ Pg.111 ]




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