other processes on acid catalysts

... thermal conversion processes (pyrolysis, visbreaking, coking) The second part studies catalytic processes on acidic catalysts (catalytic cracking, alkylation of isoalkanes, oligomerization) The ... Circulation 8.3 Reaction Systems 8.4 Catalyst Regeneration 8.5 Catalyst Entrainment 8.6 Catalyst Circulation, Transport Lines References Other Processes on Acid Catalysts 9.1 Oligomerization 9.2 ... combustion This is useful for the conversion of petroleum fractions of other feedstocks consisting of unknown components In such cases it is usually more convenient to perform the calculation in...

Ngày tải lên: 22/08/2014, 10:06

... sulfonic acid materials generally includes functionalization of porous silica, carbon and polymer materials with propylsulfonic acid, arenesulfonic acid, perfluorosulfonic acid and sulfonic acid ... adsorption-desorption isotherms of mesoporous carbons before sulfonation(A), BJH-PSD curves of mesoporous carbons before sulfonation(B), nitrogen adsorption-desorption isotherms of mesoporous carbons ... sulfonation(C), BJH-PSD curves of mesoporous carbons after sulfonation(D), nitrogen adsorption-desorption isotherms of sulfonated carbon-silicate composites catalysts (E), BJH-PSD curves of sulfonated...

Ngày tải lên: 14/09/2015, 08:39

Ngày tải lên: 18/02/2014, 11:20

... ground-level ozone, especially in the Mediterranean region, where increased concentrations resulting from ships’ NOx emissions amount to 16-20 mg/m3 (Jonson et al, 2000) The high concentrations of ozone ... reducing emissions under the Convention on Long-Range Transboundary Air Pollution (LRTAP) not cover those from international shipping Moreover, the emissions of greenhouse gases from international shipping ... MARINTEK, Trondheim, Norway IMO (1998) Annex VI of MARPOL 73/78: Regulations for the prevention of air pollution from ships and NOx technical code Publication IMO-664E, London, UK Jonson, J.E.,...

Ngày tải lên: 15/03/2014, 20:20

... (2009) 12 D Song, T.M Walsh, A.G Aberle, Monolithically integrated polycrystalline silicon thin-film mini-modules on glass in Proceedings 4th world conference on photovoltaic energy conversion, pp 2094–2097, ... to the Voc record [8] of single-junction mono-crystalline silicon solar cells, in a thin film solar cell it would be a clear demonstration that the electronic band gap of the nanostructured material ... immersed in 42.5% H3PO4 acid etch (25°–40°C) for It has been reported earlier that such a phosphoric acid etch can be Fabrication of Single-Junction Silicon Quantum Dot Solar Cell on Quartz Substrate...

Ngày tải lên: 21/06/2014, 07:20

... equivatent MoO3 monotoyers Fig Isopropanol decomposition on MoO3/TiO~ catalysts at 170°C as a function of molybdena content ([-], O, A ) acetone; ( , , • ) propene Denotation of catalysts as in ... theoretical monolayer of MOO3 In a submonolayer region the total rate of methanol consumption is considerably higher for high specific area catalysts indicating better dispersion of MoOz The formation ... submonolayer region on the high surface area titania A comparison of Figs la and shows a parallel course for the formation of acetone and formaldehyde on MoO3/TiO2, confirming that methanol oxidation to...

Ngày tải lên: 11/07/2014, 18:08

... exceed 5.0–5.5 otherwise Zn availability would decrease considerably On the other hand, data from studies on acid soils show an increase of Zn foliar concentration following lime application [12, 33] ... and/or site conditions CONCLUSIONS This study demonstrated that base cation fertilization may be an efficient tool to restore the soil and foliar chemical status of stands situated on acid and nutrient ... study concerns the indirect effect of base cation fertilization on micronutrient nutrition Particularly, it has been shown that the Zn foliar content increased and that the B foliar concentration...

Ngày tải lên: 08/08/2014, 14:21

... effect was observed on the radial growth of oak when weeding was the only silvicultural intervention, because of the aggravation of the temporary waterlogging conditions On the contrary, when weeding ... are located in the state forest of Mondon, southeast of Lunéville interaction with weather conditions and water availability (Spiecker, 1991; Snowdon and Benson, 1992), especially for nitrogen ... fertilisation / croissance radiale / dendrochronologie INTRODUCTION Large French forest areas are characterby acid soils which are subjected to pronounced temporary waterlogging condiized tions Most...

Ngày tải lên: 08/08/2014, 18:21

... when non-immune serum was replaced CSAD or taurine antibody Acid Secretion Spontaneous acid secretion reached a steady state after equilibration for h The average spontaneous acid secretion after ... taurine at high concentrations induces acid secretion by direct action on parietal cells or by indirect actions on other cells remains to be determined Taurine is a general agonist for all types ... against the time duration expressed in minutes (B) Effect of 10-6 M bicuculline on various concentrations of taurine-induced acid secretion TAU, taurine alone (●, n = 6); CON, control (○, n = 6);...

Ngày tải lên: 10/08/2014, 05:21

... Association and International Liaison Committee on Resuscitation recommended (grade IIB) continuous vasopressin infusion in refractory septic shock [54] However, the effects of vasopressin on regional ... also prone to decreased mucosal perfusion Dobutamine usually, but not without exception, increases splanchnic perfusion [40–42] The effects on splanchnic Available online http://ccforum.com/content/8/3/170 ... Association and International Liaison on Cardiopulmonary Resuscitation: Advanced cardiovascular life support Pharmacology II: agents to optimize cardiac output and blood pressure Resuscitation 2000,...

Ngày tải lên: 12/08/2014, 20:20

... Numbers of solid acid, base and acid base bi-functional catalysts in industrial process [46] Solid acid catalysts 103 Solid base catalysts 10 Solid acid – base bi-functional catalysts 14 Total ... electron lone pair on the nitrogen When chemisorbed on solid acids, amines can interact with acidic protons, electron acceptor sites, and hydrogen from neutral or weakly acidic hydroxy groups An acidic ... incorporation of silica into zirconia and the resulting acidity Another form of solid acid was prepared by impregnating boron oxide on silica, zirconia, titania and alumina InCl3-impregnated onto zirconia...

Ngày tải lên: 08/11/2015, 17:15

Ngày tải lên: 23/06/2013, 01:26

... hours; non-soaked rice served as control 2.2 Extraction methods a Simultaneous Distillation-Extraction (SDE) The steam distillation-solvent extraction was used as a reference for 2AP and other ... 2,4-pentanedione, 3-butyl, 3-nonen-1-ol, phenol, 4-ethyl-2-methoxy, butanoic acid, heptyl ester, n-hexadecanoic acid, 1-nonanol, and 2-nonanone (Table 3) These changes influenced by duration of soaking ... might be attributable to the accompanied fermentation process due to long duration soaking CONCLUSION By SDE extraction method and use response factor of collidine, 2-AP from pandan leaf was...

Ngày tải lên: 28/08/2013, 16:28

... present observations of geographic influence distribution of acid deposition, altitudinal distribution, distribution in the catchments of western streams and upstream catchment distributions in the ... similarly concentrated The concentration of dissolved SiO2 due to the chemical weathering of Na-feldspar was also higher Evaporation and the local influence distribution of acid deposition loads ... Continent carries acid pollutants, the direction of stream course and height of catchment boundaries govern the distribution of acid deposition These facts were made clear by the distribution...

Ngày tải lên: 05/09/2013, 09:08

... injection bTDC Ignition delay Maximum heat release rate Premixed combustion duration Peak pressure Diffusion combustion duration Total combustion duration Cumulative heat release Correlation coefficient ... the CO concentration On the other hand, it may be believed that the lean flame out region (LFOR) is one of the main contributors to the HC concentration in the exhaust LFOR is the region that ... percentage contribution of premixed and diffusion combustion in total combustion duration for different biodiesel fuels are listed in Table Table Percentage contribution of premixed and diffusion combustion...

Ngày tải lên: 05/09/2013, 15:28

... 2076-2909 (Online) ©2013 International Energy & Environment Foundation All rights reserved International Journal of Energy and Environment (IJEE), Volume 4, Issue 5, 2013, pp.797-806 799 extension in ... heatsetting on the linearity of load extension in warp direction of knitted Ingeo™ Poly (lactic acid) fabric Figure Effect of time of heatsetting on the linearity of load extension in weft direction of ... heatsetting on tensile resilience RT [%] in warp direction of knitted Ingeo Poly (lactic acid) ISSN 2076-2895 (Print), ISSN 2076-2909 (Online) ©2013 International Energy & Environment Foundation All...

Ngày tải lên: 05/09/2013, 16:10

... OracleConnection conReport = new OracleConnection(cnString); OracleCommand cmdReport = new OracleCommand(); OracleDataReader drReport; DataSet dsReport = new dsOracle(); try { // open connection conReport.Open(); ... (OracleException ex) { MessageBox.Show(ex.Message); } finally { if (conReport.State == ConnectionState.Open) 8547ch10final.qxd 8/30/07 3:44 PM Page 357 CHAPTER 10 s REPORTING ON OTHER DATA SOURCES { conReport.Close(); ... (Exception ex) { MessageBox.Show(ex.Message); } finally { if (conReport.State == ConnectionState.Open) { conReport.Close(); } } } } } s Note I used Source=C:\Apress\chapter10\nwind.mdb in the connection...

Ngày tải lên: 05/10/2013, 08:48

... should be conducted or supported by the National 12 Centers; 13 ‘‘(4) consult with health professionals, non- 14 governmental organizations, consumer organizations, 15 women’s health professionals, ... should be conducted or supported by the Agency; 24 ‘‘(4) consult with health professionals, non- 25 governmental organizations, consumer organizations, 26 women’s health professionals, and other individuals ... disease prevention, health promotion, service 19 delivery, research, and public and health care profes- 20 sional education concerning women; 21 ‘‘(2) provide expert advice and consultation to 22 the...

Ngày tải lên: 13/02/2014, 07:20

... non-IRS offsite facilities Impact on the Taxpayer The IRS annually processes more than 220 million tax returns containing personal financial information and personally identifiable information ... ensure encryption solutions are being used by employees; consider implementing a systemic disk encryption solution on laptop computers that does not rely on employees’ discretion as to what data ... statistics on disciplinary penalties We also concur with the alternative corrective action for Recommendation because implementation of disk encryption no longer requires employee actions to encrypt...

Ngày tải lên: 18/02/2014, 04:20