BASF catalyst

Figure 9.21. (a) Dependence of selectivity on C2H2 conversion for various catalyst potentials. The behaviour is compared with this of BASF catalysts (b) Dependence of C2H2 conversion (closed symbols, solid lines) and selectivity (open symbols, dashed lines) on flowrate and GHSV for various catalyst potentials. 3-pellet configuration.30 Reprinted with permission from the Institute for Ionics. 

The semibatch model GASPP is consistent with most of the data published by Wisseroth on gas phase propylene polymerization. The data are too scattered to make quantitative statements about the model discrepancies. There are essentially three catalysts used in his tests. These BASF catalysts are characterized by the parameters listed in Table I. The high solubles for BASF are expected at 80 C and without modifiers in the recipe. The fact that the BASF catalyst parameters are so similar to those evaluated earlier in slurry systems lends credence to the kinetic model. 

BASF CATALYST PARAMETERS AT REFERENCE TEMPERATURE OF 80 C GAS PHASE PROPYLENE POLYMERIZATION... 

The C0NGAS simulation was used to generate the three yield vs. time profiles in Figure 6 using the most active BASF catalyst at 60 , 80 , and 100 C. At 60 C, diffusion becomes dominant only at the higher yields, whereas at 80 C and 100 C, all of the results are diffusion-dominated (Rdf CAT diffusion... 

The support we received from our sponsors was much appreciated and greatly contributed to the success of the 22nd conference. On behalf of ORCS, 1 specifically thank these organizations Avantium, BASF Catalysts LLC, Eli Lilly and Company, Evonik Degussa Corporation, W.R. Grace (Davison Catalysts), Parr Instrument, Air Products, Amgen, Eastman, Umicore, Bristol-Myers Squibb, DuPont, Headwaters, HEt Lummus Technology, OMG, Seton Hall University (c/c Dr. John Sowa) and Slid Chemie. 

Argon gas (99.998%) is purified by passing through the BASF catalyst R3-11 column at 80°C and then through molecular sieves 4A. 

Wintershall AG Orgamol SA BASF Catalysts LLC Johnson Polymer CropDesign... 

BASF (2004) BASF catalyst (technical leaflet), www.basf.com... 

The composition of the outermost atomic layers of the pore walls deviates consid -iv.i.-i from the overall average concentrations. Auger electron spectroscopic (AF.S) measure ments on an industrial catalyst (BASF S 6-10) have shown that a significant enrkbiner.i of the promoters into the surface results using the unreduced as well as die reduced catalyst [109] (see Table 17). The free iron surface of the reduced BASF catalyst [109] and Topsoe catalyst KM-I [254] comprises only a fraction of the total surface, as could be deduced from the results of prior investigations [157], [255]-[261]. 

Figure 19. Influence of ihe particle size on the ammonia production (BASF catalyst).

Effect of the face gas velocity (mass transfer limitations). It is well known how these monolithic catalysts work in laminar flow because of the small size of their channels. There are transversal gradients of concentration in them, thus. This effect has been quantify in this research by two ways 1st) Some tests were made with the same gas hourly space-velocity [10,000 h (450 C)] varying the face gas velocity (equivalent to Ae superficial gas velocity in fixed beds) from 28 to 83 cm/s, The monoliths were then cut to different lengths (from 10 to 30 cm). Results on oxidation of EC (1,000 ppm at inlet) are shown in Figure 3 for two BASF catalysts, and indicate some external diffusion control at low face gas velocities. To keep it to a minimum extent, most of further tests were made at the maximum (in this facility) face velocity 83 cm/s. 2nd) Mass transfer limitations in these monoliths have also been studied by the well established procedures in chemical engineering, following the detailed... 

Results in Figure 4 for total oxidation of EC with two BASF catalysts show the importance of the 02-contcnt on the conversion of the CI-VOC. This fact has to be taken into account when extrapolating or applying results obtained in this flrst part of the overall study to the incineration pilot plant. 

BASF AG. "The BASF Catalyst for Dioxin Descomposition". Catalogue, Ludwishafen, Germany. 

Odermatt P., Ipek B. "BASF Catalysts for the Removal of NOx and Dioxin in Various applications". BASF AG brochure, Ludwigshafen, Ge. 

The U.S. Department of Energy is also investigating the performance of monolithic reactors using the same cell configuration as General Motors. The catalyst used was Selectra PROX I (BASF Catalysts, LLC), which was used to generate a data set that was incorporated into a correlation that enable them to model different staged reactors. They developed an empirical correlation for selectivity toward CO... 

The U.S. Department of Energy is also investigating the performance of monolithic reactors using the same cell configuration as General Motors. The catalyst used was Selectra PROX I (BASF Catalysts, LLC). 

The author would like to acknowledge the insightful discussions with numerous researchers in the field of Prox development, many of whom have been referenced. The collaboration with colleagues from PCI and Engelhard (now BASF Catalysts, LLC) has enabled this chapter to be written. In particular, the author is grateful to Dr. Subir Roychoudhury and Dr. Robert Farrauto. Finally, this chapter could not have been assembled without the excellent research in the many areas that make up Prox technology. It is the hope of the author that the pace of development continues and synergistic connections are made. 

Baltimore Gas Company, 158 BASF Catalysts, LLC, 21, 282, 313, 345 basic (BA) model, 23-24 Battelle Memorial Institute, 36 BDS. See desulphurization, bio-... 

Table 6.4 Performance data for BASF catalysts in HPPO with generation of HP by means of H2 oxidation with O2 (DSHP) [25] .

Wherever possible, greaseless connections are incorporated to minimize maintenance. With normal use and source gas purity, the BASF catalyst and molecular sieves need to be regenerated approximately once every 5-6 years. 

Although many groups now use MnO-vermiculite or silica gel as an oxygen scavenger, we find that the standard commercially available BASF catalyst works satisfactorily for our research and can be regenerated at substantially lower temperatures than the manganese based material (see ref. 1 pp. 74-80). 

Although the Monsanto catalyst is a great improvement over the original BASF catalyst, it suffers from the following drawbacks Rh is very expensive and any losses even in trace amounts have a direct impact on process economics, and Rh reserves are limited and available only in certain regions. The latter is a matter of great concern in view of the continuous growth in acetic acid capacity. 

BASF Catalysts LLC, 25 Middlesex/Essex Turnpike, Iselin, NJ 08830 BASF Catalysts Germany GmbH, Hanover, Germany... 

A distinction is made between low temperature processes BASF catalyst, von Heyden catalyst) and high temperature processes, which are operated at around 450 °C. 

Ronald M. Heck Robert J. Frrauto BASF Catalysts LLC Columbia University New York, New York... 

The new copper catalysts were also characterized by high space-time yields and long stabilities. For example, the fresh BASF catalyst S-3-85 shows a space-time yield of ISOOkgjjj j m h and after 4000 h on-stream this value is only reduced to 1250 kg jj j. The ratio of copper, zinc, and alumina varies... 

As the potential of this technology is tremendous, companies are putting their effort in investigating the reaction kinetics and stability of hydrogen peroxide formation in a microreactor. Some such studies are performed at BASF Catalyst [57] and give a promising input for optimizing the reaction for more efficient... 

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