INTERFACIAL APPLICATIONS IN ENVIRONMENTAL ENGINEERING - CHAPTER 11 pot
INTERFACIAL APPLICATIONS IN ENVIRONMENTAL ENGINEERING - CHAPTER 11 pot
... adjacent datapoints). This suggests two possible methods for improving the accuracy in esti-mating pQ values with these methodologies: (1) increasing the number of datapoints by decreasing the quantity ... givendata point and the two data points preceding and following the central point.Average effective pQ values can then be calculated by averaging the values ob-tained from twice solving two equations ... data obtained from the peer-reviewed literature for the purposeof interpreting anomalous pQ behavior in the pHzpcregion within the context ofpossible charging-energy and aggregation-derived...
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INTERFACIAL APPLICATIONS IN ENVIRONMENTAL ENGINEERING - CHAPTER 1 pot
... (4) wasteminimization/recycle. Each contribution has either a theoretical significance orpractical utility or both. Interfacial Applications in Environmental Engineer-ing is an invaluable resource ... Chemical Engineering, University of Cas-tilla–La Mancha, Ciudad Real, SpainC. H. Yang College of Chemistry and Chemical Engineering, University ofPetroleum, Dongying, Shandong Province, People’s ... calculations to gain an insight intothe architecture of the surface active sites. Kang and Chuang (Chapter 2) focuson selective catalytic reduction (SCR) using Cu-ZSM-5, employing in situ FTIRto...
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INTERFACIAL APPLICATIONS IN ENVIRONMENTAL ENGINEERING - CHAPTER 2 potx
... mixed in the vicinity of the catalyst sample in theinfrared reactor cell, as shown in the inset of Figure 1. One-hundred-mg catalystswere pressed into three to four thin disks, each weighing ... species during the step-and-pulse switch of the NO, O2,C3H6reactant flows during the SCR reaction over Cu-ZSM-5.II. EXPERIMENTALA. Catalyst PreparationThe overexchanged Cu-ZSM- 5-5 23 was ... reflects an increase in theconversion of NO and C3H6reactants; the latter indicates an increase in productformation.To gain an insight into the SCR reaction, the IR spectra taken during eachstep...
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INTERFACIAL APPLICATIONS IN ENVIRONMENTAL ENGINEERING - CHAPTER 12 pot
... 1974.4. Chemistry in Britain. Royal Society of Chemistry, London, February 1997.5. U.S. Environmental Protection Agency. Toxic Release Inventory Rep. 745-R-9 6- 002. U.S. EPA, Washington, DC, June ... and has been linked to the increase in photochemical smog [2], the depletion in atmospheric ozone [3], and the produc-tion of ground-level ozone [4]. In addition, many VOCs are inherently toxic ... on the response in the presence of oxygen (Fig. 3). In the non-steady-state conditions of the TAP reactor, this indicates that there is no differ-ence in conversion with gas-phase oxygen present...
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INTERFACIAL APPLICATIONS IN ENVIRONMENTAL ENGINEERING - CHAPTER 13 potx
... safety and environmental ap-proach is now called for, one that incorporates advanced “green” processing tech-nology as a means of canceling any negative environmental impact without sti-fling the ... the dechlorination ratesfor 2-chlorotoluene/-phenol and 4-chlorotoluene/-phenol should be similar butdifferent from 3-chlorotoluene/-phenol. Indeed, it has been demonstrated else-where [60] ... hasbeen viewed in terms of an E1 elimination mechanism, where the chlorine com-ponent interacts with the catalyst with electron withdrawal, weakening the C–Cl bond and inducing intermediate carbocation...
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INTERFACIAL APPLICATIONS IN ENVIRONMENTAL ENGINEERING - CHAPTER 3 doc
... role in electron transfer from theelectron-accepting to the electron-donating sites at the catalytic surface. Ac-cording to Bahranowski et al. [48], single doping of Al-PILC with copper intro-duced ... species in Cu-MFI-based catalysts resulted in a substan-tial increase in propane conversion as well selectivity to CO2. This fact wouldexplain the decided decrease in NO conversion with increasing ... observed that the increase in Cu loading in the PILC-based catalysts resulted in an increase in CuO aggregates (Table 3). In a study of the reducibility andcatalytic activity in propane oxidation...
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INTERFACIAL APPLICATIONS IN ENVIRONMENTAL ENGINEERING - CHAPTER 4 pdf
... most stableconfigurations involved dicoordination binding through both η2-S,O and η2-O,Ostructures on the Pt (111 ) surface but no flat-lying configurations.Our first-principles DFT calculations ... havefound a new flat-lying configuration of SO2on the Pt (111 ) surface at 150 K in their combined XPS and NEXAFS study and pointed out that this new flat-lyingconfiguration was invisible in the HREELS ... showsthe majority/minority spin configurations. The HOMO is the Π bonding in the majorityspin and the LUMO is the Π antibonding in the minority spin. (b) SO2(singlet, C2v). (c)SO3(singlet, C3v).TMCopyright...
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INTERFACIAL APPLICATIONS IN ENVIRONMENTAL ENGINEERING - CHAPTER 5 pdf
... the results obtained from on-line pulse-reactionchromatography. Ten grams of thiophene/n-heptane or the gasoline distillate waspumped into the reactor within 1 min. Sulfides in the liquid product ... Because of the com-plexity of FCC reactions, we cannot determine exactly whether it is via adsorbingand cracking sulfides in the feed or via adsorbing and cracking those in the gaso-line produced. ... of the distil-late at over 140°C is more than 1600 µg/g. Obviously, sulfur content increaseswith the boiling point of distillate and concentrates in the high-boiling-point dis-tillates.Because...
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INTERFACIAL APPLICATIONS IN ENVIRONMENTAL ENGINEERING - CHAPTER 6 docx
... solution using Na-Y was investi-gated using a fixed-zeolite-bed configuration. The breakthrough curves for fourselected HM are shown in Figure 5 under identical operating conditions. Break-through ... exchangewith cations in external solution. An increase in exchange temperature enhancedHM removal by reducing the solvation coating and kinetic diameter of the in- going HM cation, facilitating exchange ... 26 28 388.0 14 11 9 16 16 24sequence of increasing exchange efficiency can be considered to reflect an in- creasing effectiveness in neutralizing the negative charge on the aluminosilicateframework....
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INTERFACIAL APPLICATIONS IN ENVIRONMENTAL ENGINEERING - CHAPTER 8 doc
... [4,7]. In the experiments, titration ex-periments and computer modeling with MINTEQA2 indicate that the pH de-creases as Thio-Redis initially titrated into aqueous divalent heavy metal solu-tions. ... wastewater laced with HMP-2000 into the city’s wastewater sys-tem. Unable to control the chemical contaminate, the HMP-2000-laced wastewa-ter was discharged into local state waters [11] . The compound ... use of HMP-2000 oc-curred in December 1999, when the Guide Corporation (an auto parts manufactur-ing plant in Anderson, Indiana) accidentally released over 1.5 million gallons ofcontaminated...
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