RESEARCH RESULTS . . . . . . immediateb available All papers listed are being considered for publication in I&EC or one of the I&EC Quarterlies. They are available in manuscript form, with the requirement that any reference to their content in a publication must have the author's prior approval. Orders are processed within 24 hours of receipt, with shipment by first class mail. Prices for subscribers and nonsubscribers are listed with each manuscript. Please include payment with order.
Ms. No. ..................... Price .............................. Total payment to American Chemical Society (check, money order, cash, Unesco coupons). . . . . . . . . . . . . . Send to:
Research Results Serv'ice, l&EC 1155 Sixteenth Street, N. W. Washington, D. C. 20036
NAME...
......................................
ADDRESS....
...................................
.............................................. SUBSCRIBER
0
NONSUBSCRIBER
0
Entrance Heat Transfer from a Plasma Stream in a Circular Tube. Engineering Correlations. Presents an empirical equa-
A Model of Catalytic Cracking Conversion in Fixed-, Moving-, Describes development of matheand Fluid-Bed Reactors.
tion for entrance heat transfer from confined argon, helium, and nitrogen plasma streams for estimation of Nusselt numbers. Data and correlation are compared with boundary layer predictions and results of previous plasma heat transfer investigations.
matical models that account for temporary catalyst decay during use. Models are presented in terms of a dimensionless decay group and a dimensionless reaction group, and are shown to represent a wide range of experimental results.
Vern W. Weekman, Jr., Mobil Oil Carfloration
J . R. Johnson, N . M . Choksi, and P. T . Eubank, Texas A C3 M University
MS. 67-783
MS. 67- 170
26 pages (7jgures, 2 tables)
Subscribers
34pages (7figures, 4 tables)
$4.00
Subscribers
$3.00
Nonsubscribers
$6.00
Nonsubscribers $8.00
Process Developmenl Study of the Isopropanol Acetic Acid Esterification. Development of several alternate processes for Oxidation of lsobutene over Selenium Dioxide-Modifled Copper Oxide Catalysts. Conditions for maximum conversion,
selectivity and optimal amount of SeOl in the catalytic oxidation of isobutene to methacrolein over SeOz-doped copper oxide catalyst has been studied in a flow system. Data for the product as a function of the operating variables are presented.
esterification of isopropanol and acetic acid to form isopropyl acetate is discussed. Apparatus, experimental data, process design, and development of analytical methods are described. Processes are compared and evaluated.
Thomas E. Corrigan and Larry Alan Stichweh, Ohio State University
R. S. M a n n and K . C. Yao, University of Ottawa
MS. 67-200
MS. 67- 776
40pages (72figures, 5 tables)
Subsmibers $2.00
77pages (5figures, 7 table)
Subscribers 84.00 Nonsubscribers $8.00
Nonsubscribers 84.00
The Service Evaluation of Heat Resistant Fabrics in Laundry Hot-Head Applications. A new test procedure reduces the time Heat Transfer to Solid-liquid Suspensions in an Agitated Vessel. Theoretical and experimental studies of heat transfer
coefficients to solid-liquid suspensions in an agitated vessel are presented as a function of dimensionless groups for N R ~= 270,000 to 2,000,000; Np, = 2.37 to 4.74; and solid concentration up to 15 % volume.
required for evaluation, effects a proportionate cost reduction, provides a delineation and quantitative analysis of performance factors, and yields more nearly reproducible data i n duplicate tests than ultimate service life measurements.
Hermann J . Janssen, Gary J . Steen, and Joycelyn C. Cubre, Southern Regional Research Laboratory, U.S.D.A.
F. Frantisak, J . W . Smith, and J . Dohnal, University of Toronto
Ms. 67-203
M S . 67-18?
43pages (Sfigures, 72 tables)
Subscribers
26 pages (4figures)
83.00
Subscribers
$5.00
Nonsubscribers 870.00
Nonsubscribers $6.00
A Thermistor Anemometer for Measurement of l o w Fluid Velocities. Development and calibration of self-heated thermisOptimum Operalion-Regeneration Cycles for Fixed-Bed Catalytic Cracking. Provides a tool for predicting optimal
reactor efficiencies. A unique operation-regeneration cycle results in optimal efficiency for a single fixed-bed reactor or a train of fixed-bed reactors.
Vern W . Weekman, Jr., Mobil Oil Corporation
MS. 67-182 17 pages (7jgures)
tor anemometer are described. Temperature gradients in fluid can be tolerated. Threshold values of velocity measurements are 0.1 cm./sec. in air and 0.02 cm./sec. in water. Effect of natural convection on anemometer sensitivity is discussed.
Donald E. Murphy and Robert E. Sparks, Case Institute of Technology
MS. 67-204 Subscribers
$2.00
Nonsubscribers $4.00
Subscribers
82.00
Nonsubscribers 84.00
77pages (6figures, 7 table)
(Continued on page I78) VOL.
59
NO. 8
AUGUST 1967
117
F?ESEARCH RESULTS Vacuum Distillation in the Pilot Plant Using Helical Coil Column Internals. Vacuum distillation using helical coil column
internals (Kloss patent) has been studied in trial and university pilot plants. Results column internals provide combination of efficiency which is superior to currently vacuum rectification.
a number of indusindicate that these pressure drop and used internals for
Oxazoline Isomers from the Rearrangement of 1,3,5-tris(2Ethyl-1-Aziridinylcarbonyl) Benzene and of l-Benzoyl-2Ethylaziridine. A Kinetic Method of Analysis. The differ-
ence in the rates of reaction of 4-ethyl- and 5-ethyl-oxazolines with acetic acid was used to determine the isomer composition of a mixture obtained from rearrangement of 1,3,5-tris(2-ethyl1-aziridinylcarbonyl) benzene.
John W . Drew, Cambridge Research Inc., and Helmut M . Schilling, Chem-Pro Equipment Corporation
D . E. Johnson, R. H. Quacchia, and A . J. DiMilo, Aero$-General Corporation
Ms. 67-205
M s . 67-21 1
Subscribers
24pages ( 9figures)
83.00
Nonsubscribers 86.00
An isothermal adsorption model is developed for adsorption in a packed bed. External and internal diffusional resistances are accounted for. T h e model can be used for isotherms of any shape and feeds of any concentration. The equations are solved numerically. Isothermal Adsorption in Fixed Beds.
Robert G. Lee and Thomas W . Weber, State University of New York at Buffalo Ms. 67-206
Subscribers
37pages ( 6 figures, 3 tables)
$4.00
Nonsubscribers $8,00
17pages (Sjgures, 4 tables)
resistances within and outside the adsorbent pellets are accounted for. Predicted and experimental breakthrough curves are compared for methane-helium in a bed of activated carbon.
Robert G. Lee and Thomas W . Weber, State University of New York at Buffalo
MS.67-207
Subscribers
31pages ( S j g u r e s , 7 table)
84.00
Nonsubscribers $8.00
Derived -Estimates of Fiber length Characteristics. A modification of standard array methods is presented which permits a rapid estimate of the mean and standard deviation of a fiber distribution. A method for estimating fiber length distribution from wet screening data is outlined.
J . Wronski, Raybestos, Manhattan, Inc. Ms. 67-208
Subscribers
16pages (afigures, 2 tables)
82.00
Nonsubscribers 84.00
T . F. Banigan, B. M . Holt Company, and C . D . Shiah, Oceanic Process Company
;MS.67-209
Subscribers
87 .00
Nonsubscribers 82.00
8 Pages ( 1 table)
5-ethyl-2-phenyl-2-oxazoline.Rearrangement in dimethylformamide or in sodium iodide-acetone gives a mixture of isomers consisting mainly of 4-ethyl-2-phenyl-2-oxazoline.
R. H . *cchia, Corporation
D. E. Johnson, and A , J. DiMilo, Aerojet-General
Ms. 67-270
23pages (9 tables) 118
INDUSTRIAL
Subscribers
53.00
Xonsubscribers $6.00
A N D E N G I N E E R I N G CHEMISTRY
$4.00
William F. Taylor and Thomas J. Wallace, Esso Research and Engineering Company
Ms. 67-213
Subscribers
$3.00
Nonsubscribers 56.00
Simulation of the Heat Transfer Phenomena in a Rotary Kiln.
A simplified model of the heat transfer phenomena occurring in a rotary kiln was developed and tested bvith data collected from a commercial kiln. It was far superior in the prediction of heattransfer rates and kiln length requirements than existing correlations. Allan Sass, U. S. Steel Applied Research Laboratory
MS.67-274 18 Pagas (3fgures, 3 tables)
Subscribers
82.00
Nonsubscribers
54.00
Vapor flow limitations are analyzed for melting a drained bed of ice crystals by direct contact condensation of low pressure water vapor and also atmospheric pressure butane vapor. I n both cases, only the outermost inch or less of the bed is available for melting and condensing.
Vapor Flow limitations in a Melter-Condenser.
P. L. T. Brian, K. A . Smith, and L. W . Petri, Massachusetts Institute of Technology
Ms. 67-215
Subscribers
$2.00
Nonsubscribers $4.00
Competitive liquid Phase Oxidation of Butanes. High yields of acetic acid, or of light solvents (acetone, tert-butyl alcohol, methyl and ethyl acetates, methyl ethyl ketone) can be obtained, depending on conversion, kind and concentration of metal ions or metal oxide capable of decomposing hydroperoxides and peroxidic radicals.
J . Rouchaud, P . Niefera, University
M s . 67-216 29pages (6j’igures, 3 tables)
The Rearrangement of 1-Benzolyl-2-Ethylaziridine on Solid Inorganic Potassium and Ammonium Salts. I n the presence of solid ammonium perchlorate or nitrate with or without a solvent a t 80 ’, 1-benzoyl-2-ethylaziridine is converted mainly to
Nonsubscribers
are reported from studies designed to elucidate the variables which control rate of deposit formation from hydrocarbon jet fuels exposed to high temperature stress. The effect of fuel type, oxygen, trace sulfur levels, and temperature on the process is discussed.
16 pages ( 7 j g u r e , 1 table) Caprolactam via Diels-Adler Adducts of Butadiene. Cyclic codimer adducts from nitroethylene, acrylic acid, and acrolein were converted to their ring-saturated analogs and ultimately to caprolactam. Hexahydrobenzoic acid was obtained easily by catalytic disproportionation of A-3-tetrahydrobenzoic acid a t moderate temperature and atmospheric pressure.
$2.00
Kinetics of Deposit Formation from Hydrocarbon Fuels at High Temperatures. 1. General Features of the Process. Results
23 pages (6figures, 3 tables) Comparison of Isothermal and Nonisothermal Adsorption in Fixed Beds. Isothermal and nonisothermal models for adsorption in a fixed bed are compared. Heat and mass transfer
Subscribers
of
Looanium, Leopoldville, Congo Subscribers
$3.00
Nonsubscribers $6.00
Measurement of Tensile Stresses in Rapidly Deforming Viscoelastic Materials. The geometrical details of the deformation
of a short jet of viscoelastic material issuing from a nozzle under the influence of a sudden impact are obtained from high-speed motion picture. Tensile stresses within the jet can thus be calculated.
Gianni Astarita, Gtuseppe Marrucci, and Domenico Acierno, Istituto di Elettrochimica, Universita di Napoli, Naples, Italy
M S . 67-217
Q Pages ( 7 figure)
Subscribers
51.00
iVonsubscribers $2.00
R E S E A R C H RESULTS Thianaphthene and 2,5-Diphenylthiophene from Acetophenone and Related Reactants over Chromia-Alumina.
The efficiency for catalytic synthesis of thianaphthene when 8carbon reactants and H2S were passed over C r ~ O ~ - A 1 2a0t~ 550° C. decreased in the order Ph-CeC-H > Ph-CH=CHz N Ph-CHz-CHZSH > Ph-CHSH-CHI > Ph-CO-GHa. 2,5-Diphenylthiophene was also a major product in these reactions a t lower temperatures (400' C.).
P. E. Venuto, P. S.Landis, and D. E. Boswell, Mobil Oil Corporation
R. A. May and F. J . M . Horn, Rice University Ms. 67-226
Subscribers $3.00
2 1 pages (4jgures, 2 tables)
Nonsubscrabers $6.00
Subscribers 82.00
20pages (3jgures, 3 tables)
Ms. 67-278
Slage Efficiency of a Periodically Operated Distillation Column.
A simple asymptotic relation describes nearly exactly the stage efficiency of a periodically operated distillation column. Parameters of this relation have been calculated as a function of Murphree efficiency, mixing efficiency, and separation factor.
Nonsubscribers
84.00 How Best to Expand o Plont. Two Cases. Summarizes optimization studies for a single-step expansion and for expansion in time for a growing market. Computerized solutions represent unique applications of existing mathematical techniques.
The Composition Dependence of the Viscosity of Binary Liquid Systems. A predictive relationship for variation of shear vis-
cosity of binary liquid systems has been developed. I t should be valid for systems which are approximately regular in the thermodynamic sense. Experimental data show excellent agreement for a variety of binary systems.
E. Generoso, Jr., and Lauren E. Hitchcock, State University of New York at Buffalo Ms. 67-227
Subscribers 83.00
27pages (Bjgures, 5 tables)
Nonsubscribers
86.00
Harry P'. Cullinan, Jr., State University of New York at Bufalo
Ms. 67-220 16 pages ( 6 j g u r e s )
Subscribers 82.00 Nonsubscribers
84.00
A review, discussing five principal tasks for the researcher and emphasizing advances in determining forces between like and unlike molecules and in the quantitative calculation of thermodynamic properties of gases and liquids. Possibilities for future progress are also described.
Molecular Theories of Liquids and Mixtures.
18EC Summer Symposium on Applied Fluid dynamic properties were studied with an air-HzO system. Gas absorption systems were : COz-HzO, COz-air-HzO-monoethanolamine, and air-NHs-COS-HzO. Tower diameter influence also studied. These packings are similar to known good ones from mass transfer standpoint, and better from fluid dynamic standpoint. Influence of both considerations put together in charts of H.T.U. times AP us. L. Polygonal Helicoidr as a Packing Material.
Enrique Rotstein, Esteban A . Brignole, Elba Susana Perez, Mariano Blanco, and Mario Wischnevsky, Universidad Nacional De1 Sur, Bahia' Blanca, Argentina MS.67-222
27 pages (12figures, 5 tables)
Subscribers 83.00 Nonsubscribers
86.00
Thermodynamics
J . S. Rowlanson, Imperial College, London, England MS.67-229
Subscribers 33.00
24 pages
Nonsubscribers
86.00
A look a t objectives sought in recent equations, with some insight on how a n equation of state is designed. Attention is focused on the empirical approach as having most successfully represented data with high precision over a wide density range.
Equations of State
I&EC Summer Symposium on Applied Thermodynamics Joseph J . Marlin, University of Michigan MS.67-231
Subscribers
52 pages (Q figures, 2 fables)
Nonsubscribers
$6.00
812.00
Thermodynamic Properties of Cryogenic Fluids Survey of Existing Data. The results of this survey permit one to deter-
mine readily the status of physical properties data as they relate to 13 cryogenic fluids. Included in the 16 properties surveyed are PVT, heat capacity, enthalpy, viscosity, and thermal conductivity data.
l&EC Summer Symposium on Applied Thermodynamics G. M . Wilson, R. G. Clark, and F. L. Hyman, Air Products and Chemicals, Inc. MS.67-223 48 pages (27jgures, 3 tables)
Subscribers 35.00 Nonsubscribers
$70.00
Computer Utilization in a Kinetic Study of n-Butane Isomerization. Three-part technique based on computer simulation and
correlation was developed to study kinetics of butane isomerization. Effects of temperature, pressure, hydrogen ratio, and space velocity were determined. Better operating conditions predicted outside experimental region were later verified.
Norman L . Car? and Allen E. Somers, Gulf Research €3 Development Company MS.67-225
35pages (ldfigures, 3 tables)
Subscribers $4.00 Nonsubscribers
88.00
Relation between Boiling Point Change and Vibrational Frequency Shift in Methyl and Ethyl Halides, Frequency shifts in
methyl halides correlate with calculated log jAT1 values to yield smooth curves. Ethyl halide correlations are nearly linear.
J . Lielmezs, University of British Columbia, Canada M s . 67-235
Subscribers $1.00
4 pages ( 1 figure, 1 table)
Nonsubscribers
$2.00
Exploratory Studies of a Process for Converting Oil Shale and Coal to Stable Hydrocarbons. Samples of oil shale and coal
were heated in a flowing stream of hydrogen under moderate pressures. Vapors evolved were directly treated catalytically to remove S, 0, and N impurities, and yielded a clear, stable, low viscosity, liquid hydrocarbon.
James E. Flinn and George F. Sachsel, Battelle Memorial Institute Subscribers
83.00
Nonsubscribers
S6.00
MS.67-236
23 pages (Zjgures, 6 tables)
(Continued on page 720) VOL. 5 9
NO. 8
AUGUST 1967
119
R ESEARCH RESULTS Enthalpies of Fluids at Elevated Pressures and Low Temperatures. Describes experimental techniques with emphasis on
flow calorimetry, reviews available data with emphasis on mixtures, discusses commonly used methods of predicting enthalpy behavior of mixtures and compares them, using recent experimental results. l&EC Summer Symposium on Applied Thermodynamics
0. F. Yesavage, A . E. Mather, D . L. Katz, and J . E. Powers, University of Michigan
MS. 67-238 61 pages (IdJgures, 11 fables)
Subscribers
$7.00
Nonsubscribers 614.00
Applications of Statistical Mechanics-Configurational Properties of Fluids and Fluid Mixtures. Critical attention is given to calculation and utilization of virial coefficients. Applica-
tions of cell theory of liquids are cited. Formulations of rigid sphere models are considered. Promising beginnings for approximations to the direct correlation function for real fluids are reviewed. I&EC Summer Symposium on Applied Thermodynamics
J . P. O'Connell, University of Florida J . M . Prausnitr, L'niversify of California Ms. 67-245 709 pages (djgures, 4 tables)
Optimization of a Process for Manufacture of Methanol by the Optimization from a purely Method of Steepest Ascents.
mathematical model, with pilot plant experiments eliminated once the simulation is made on the computer. T h e Box technique was used, and optimum found a t conversion of 28%, 200 atm. pressure, and 279O C.
Thomas E. Corrigan, Michael Samuel Harfveld, and Michael 3. Dean, Ohio State University
Ms. 67-240 45pages (7figures, 4 tables)
Subsnibers $5.00 Nonsubscribers
810.00
Mechanism of Scale Deposition on Heat-Transfer Surfaces.
$22.00
Apparatus for Determination of Liquid-Liquid-Gas Equilibria at Advanced Pressures. Novel equipment features a new mag-
netic pump to recirculate all three phases, sampling from recirculating streams, minimization of dead space, and analyses of all phases by gas chromatography. Special methods were developed to sample gases and liquids under pressure.
R . A'. Fleck and J . M . Prausnitz, University of California
M S . 67-246 16 pages ( S j g u r e s )
Subscribers $2.00 Nonsubscribers
$4.00
Dibutyl Carbitol Extraction of Polonium-210 from Nitric Acid Solutions of Irradiated Bismuth. New countercurrent solvent
Improved experimental system provides accurate determination of scale growth rate, controlled by rate of forward diffusion of Cafz and HCOa- toward the scale-water interface. Separate effects of flow velocity, scale surface temperature, and water composition were examined according to the proposed rate mechanisms model.
extraction process recovers over 98% of the Po210 essentially bismuth free in laboratory and pilot plant tests. Scheme seems suitable headend step in recovery of kilogram amounts of Po210 for subsequent use in isotopic power sources.
D . Hasson, M . Auriel, W . Resnick, T . Rorenman, and S. Windreich, Technion-Israel Institute of Technology, Haifa
Wallace W . Schulr and Gerald L . Richardson, Battelle Memorial Institute
M s . 67-242
2 8 pages (IOfigures)
Subscribers 83.00 Nonsubscribers
$6.00
Calculation of High-pressure Vapor-Liquid Equilibria. A systematic, computer-oriented development with application directed a t systems typical of the petroleum and related industries. Good estimates of multicomponent phase behavior, including the critical region, are possible using results of binary data reduction only. I&EC Summer Symposium on Applied Thermodynamics
MS.67-243
65pages (4figures, 4 tables)
28pages (Gfigures, 3 tables)
Subscribers 63.00 Nonsubscribers
Dynamic Response of a Pilot-Plant Distillation
$6.00
Column.
Experimental results obtained by introducing a step change in feed rate and feed quality agreed closely with the analog computer solution of a linear mathematical model for the first 2 to 4 minutes of response. The model appears to be entirely satisfactory for control system design studies.
M S . 67-250
Subscribers $7.00 Nonsubscribers
Ms. 67-248
D . C. Martin and E. M . Schoenborn, North Carolina State Uniuersily
P. L. Chueh and J . M . Prausnitz, Uniuersity of California
32 pages (13 jigures)
Subscribers Nonsubscribers
84.00 88,OO
814.00
A General Purpose Physical Data System for Computer Process Calculations. Properties for pure compounds and mixtures
Calculation of Complex Chemical Equilibria. Thermodynamic principles are surveyed and used to derive and compare two
in both gaseous and liquid phases can be generated over wide temperature and pressure ranges. Reliability, accuracy, speed, and storage requirements are presented. Advantages and limitations of system are discussed.
alternate formulations used in computation of chemical and phase equilibria. Algorithms for solving systems of nonlinear equations are discussed, and advantages and disadvantages of various equilibrium computation schemes are emphasized. Examples of typical applications are included.
I&EC Summer Symposium on Applied Thermodynamics
I&EC Summer Symposium on Applied Thermodynamics
L. C. Yen, K . P. Cantwell, and B. L. Giles, Phillips Petroleum Company
Frank J . Zeleznik and Sanford Gordon, National Aeronautics and Space Administration
MS. 67-244 13 pages 120
Subscribers $ I 1.00 Nonsubscribers
Subscribers 62.00 Nonsubscrtbers
$4.00
INDUSTRIAL A N D ENGINEERING CHEMISTRY
M s . 67-252 99 pages (2jigures, 6 fables)
Subscribers 810.00 AJonsubscribers 520.00
RESEARCH RESULTS Critical States of Mixtures and Equations of State. Critical states for a variety of binary mixtures are accurately predicted by the Redlich-Kwong equation of state using empirical interaction parameters. The simplification makes it practical to carry out rigorous calculations of critical states of mixtures on a digital computer.
R. R. Spear, R. L. Robinson, and K. C. Chao, Oklahoma State Uniuersitj Ms. 67-253 36 pages ( 19 Jigures, 3 tables)
Subscribers 84.00 Nonsu bscri bers $8.00
PVT Measurements on Petroleum Reservoir Fluids and Their Uses. Describes some equipment used for PVT measurements on multicomponent petroleum reservoir fluids. Outlines various types of measurements, and gives typical data to illustrate. Discusses uses of such data from both practical and theoretical viewpoints. l&EC Summer Symposium on Applied Thermodynamics R. H. Jacoby and L. Yarborough, Pan American Petroleum Corporation MS. 67-259
Subscribers $5.00 Nonsubscribers $10.00
49 pages (QJigures,4 tables)
A review and elementary exposition of principal features of the phenomenological treatment of static fluid interfaces now available, the significant aspects of which appear to be either ignored or misunderstood a t present. T h e review aims to make clear the advantages to be gained from a rigorous treatment.
Thermodynamic Aspects of Capillarily.
High Pressure Thermal Hydrogenolysis of Hydrocarbons.
Examines rate of breakdown of a number of pure hydrocarbons and investigates possibility of producing high ethane yields. Considers factors influencing condensation of aliphatic hydrocarbons to aromatics, together with further reactions of latter. Offers some suggestions as to mechanism of carbon formation.
C. T . Brooks, Fulham Gas Works, London, England
MS. 67-254 30 pages (6 figures, 5 tables)
I&EC Summer Symposium on Applied Thermodynamics
J . C. Melrose, Mobil Oil Corporation Subscribers 87.00
M S . 67-260 62pages (8$gures, 4 tables)
Nonsubscribers $14.00
Subscribers 83.00 Nonsubscribers 86.00
On Sensitivity Analysis in Optimal Processes Based on the Effects of changes in initial condition Maximum Principle.
and parameters of a system gn optimal objective function and decisions were studied. Sensitivity equations derived can be used to provide sensitivity information once the optimal solution to a problem is obtained. Two examples are given.
Surprisingly far-reaching and precise estimates of activity coefficients in mixtures of simple organic molecules can be made on the basis of appropriate systematic observation and correlation with contributions from structural groupings. Development of this approach is traced, with areas of useful application indicated. Group Contributions in Mixtures.
l&EC Summer Symposium on Applied Thermodynamics
C. H. Deal and E . L. Dew, Shell Development Company
MS. 67-261
Subscribers 84.00
3 5 pages ( 12 figurer)
Nonsubscribers 88.00
T.M . Chang and C. Y . Wen, West Virginia University MS. 67-255 40pages (7Jigures, 1 table)
Subscribers 84.00 Nonsubsmibcrs 88.00
Effects of Nickel(l1) on the Dissolution of Aluminum in Nitric Acid-Mercury(l1) Nitrate Solutions. Dissolution rates of alumi-
num metal were correlated with H N 0 3 concentration and ratio of Ni(N03) to H g ( N 0 3 ) ~ concentration in such solutions. Experimental results are interpreted and discussed on the basis of a dissolution mechanism proposed earlier by Murray.
W . W. Schulr, J . F. Phillips, and J . E. Mendel, Battelle Memorial Institute Thermodynamic Excess Properties of Binary liquid Mixtures. The Role of Empiricism. Discusses the immediate empiricism
that provides most directly the characteristic thermodynamic excess functions for binary liquid mixtures from experimental measurement of macroscopic properties, and their mathematical representation by empirical functions with no known relation to molecular physics or statistical mechanics. I&EC Summer Symposium on Applied Thermodynamics
H . C. Van Ness, Rensselaer Polytechnic Institute
M S . 67-257 23 pages ( 1 figure)
Subscribers $3.00 Nonsubscribers 86.00
M S . 67-262
Subscribers 82.00
18 pages (3Jigures, 2 tables)
Nonsubscribers 84.00
Correlating and Predicting Thermodynamic Data. Reference Substance Equations and Plots. Methods described depend on
comparison of properties of one substance with those of another under the same conditions, by algebraic methods based on sound thermodynamic equations and geometric plotting. Most of the plots are readily made on standard logarithmic paper.
l&EC Summer Symposium on Applied Thermodynamics Donald F. Othmer and Hung-Tsung Chen, Polytechnic Institute of Brooklyn
MS. 67-263
Subscribers $5.00 Nonsubscribers 810.00
50 pages (17figures) Molecular Thermodynamics of Chemical Reactions. Techniques of molecular thermodynamics coupled with the absolute rate theory provide a promising new approach to some important problems in chemical kinetics. I n many cases it is possible to design an optimum solvent mixture for given reactions or sets of reactions.
The Adsorption of Cas Mixtures. Recent developments are described, and it is shown that mixture adsorption data can be predicted with good accuracy if the experimental adsorption isotherms for the pure gases are available.
l&EC Summer Symposium on Applied Thermodynamics
I&EC Summer Symposium on Applied Thermodynamics
C. A . Eckert, University of Illinois
Alan L . Myers, University of Pennsylvania
Ms. 67-258 4 2 pages ( Iljigures)
Subscribers 95.00 Nonsubscribers 810.00
MS. 67-264
Subscribers 82.00 Nonsu bscribers
20 pages (8 figures)
VOL. 5 9
NO. 8
AUGUST
$4.00
1967
121
