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RESEARCH RESULTS . . . immediately available All manuscripts listed here are being considered for possible publication in one of the I&EC quarterlies. They are available to I&EC subscribers at reproduction and handling cost, at any time prior to publication in a quarterly. Papers withdrawn from consideration will generally remain available for 90 days if authors approve. A Research Results Service manuscript should be treated as a personal communication. Reference to its content in any publication should have the author’s prior approval. Please use the printed coupon, and include payment with vour order.

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Naval Stores From Pine by Fluidized Bed Distillation

Velocity of Sound Measurements in Wet Steam

Price

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Total Remittance (check, money order, cash) . . . . . (Payable to American Chemical Society) Send to: Research Results Service, l&EC

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SUBSCRIBER’S NAME. ............................ ADDRESS. .....................................

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I . H. Kim and H. C. Lewis, Georgia Institute of Technology

R. E. Collingham and J.C. Firey, University of Washington

Promising method recovers naval stores from decayed stumps of Southern pine. May have application to waste wood from variety of operations in lumber and paper industries. Heat of grinding vaporizes most of turpentine and pine oil. Remainder easily distilled a t 250’ F. At 440’ F. three quarters of rosin is distillable; rate favored by increasing partial pressure of steam.

Velocity of propagation of rarefaction waves in wet steam found to have constant value, independent of mixture quality, and approximately equal to acoustic velocity in dry steam. Reynolds’ description of critical flow phenomenon appears valid for wet steam within the experimental range (pressure between 14.7 and 45 p.s.i.a., and grossquality between 5 and 100%).

Ms. 62-173

Ms. 62-189

28pages, including Sfigures, 1 table

$3.00

26 pages, including SJigures

$3.00

Wetting Agents and Inhibitors in Hydrochloric Acid Solutions Purification of Organic Solutes by Simultaneous Complexed Anion and Sulfate-Bisulfate Anion Exchange Procedures

J . C. Hesler and K . A . Schmidt, Nalco Chemical Company Specialized technique for low cost purification. Where metal forms a stable anionic complex a t low or moderate acidities, and is decomposed in very low acid media (or in water), removal of both metal salt and free acid is very economical. Extension of technique to other complexing acids and metals from nonionized solutes suggested.

Ms. 62-177

9 pages, including 1 Jigure, 3 tables

81.00

Emmanuel iM.Kampouris, Dreca Laboratories, Neon Faleron, Greece Inhibitive properties of 11 commercial wetting agents on corrosion of steel by hydrochloric acid solution. Shown to be poor for anionics, good for nonionics, and very good for cationic No case of counteractive action quaternary compounds. noted when wetting agents were added to inhibited acids, and better results obtained than with inhibitors.

Ms. 62-791

22pages, including 4Jgures, 5 tables

$3.00

The Development of the Houdry Detol Process

A . H. Weiss and Lee Friedman, Houdry Process and Chemical Company Gas Absorption i n Agitated Gas-liquid Contactors. Interfacial Area, Gas Holdup, llquld Phase Mass Transfer Coefficient, and Reaction Factor

Fumitake Yoshida and Yoshiharu Miura, Kyoto University, Japan Liquid phase mass transfer coefficient in agitated gas-liquid contactors can be correlated as function of Reynolds number for the agitator, with average bubble diameter as principal dimension and liquid phase Schmidt number. When absorption is accompanied by moderately fast first order or pseudo-first order reaction, reaction factor can be estimated by theoretical equations under certain conditions.

Ms. 62-185 23pages, including 8 f g u r e s , list of 40 data tables $3.00 Optional: 40 data tables, equal to about 65 pages, $7.00 extra Kinetics of Catalytic Hydrodealkylation

Methyl

and

Dimethyl-Naphthalene

A . H . Weiss, L. C. Doe@, and A. K . Logwinok, Houdry Process and Chemical Company Equations for determining concentrations of components in system (independent of operating conditions) developed and substantiated by experimental data. Relative rates for catalytic demethylation of alpha and beta homologs of methylnaphthalenes determined, also for mixtures of monomethyl and dimethylnaphthalenes. Rate constants can be fitted using catalytic activation energy applicable for toluene demethylation35.4 kcal./mole.

Ms. 62-787

27pages, including Sfigures, 4 tables

83.00

Pilot plant development of a catalytic process for high purity benzene using nitration grade toluene as charge stock. Use 0.’ kinetic reaction model and computer regression make it possible to characterize the process with minimum experimentation. Process applicable for dealkylation of aromatics of higher molecular weight than toluene, as well as substituted naphthalenes. Pilot plant results have been matched in commercial unit.

Ms. 62-793

36 pages, including SJgures, 8 tables.

84.00

Thermal Conductivity of Beds of Spherical Particles

Shinobu Masamune and J.M . Smith, University of California, Davi. Effective conductivities measured for beds of glass beads and steel shot, 29-470 microns in diameter, with pressure range 10-2 to 760 mm. Hg. Geometric considerations used to develop equations for predicting effect of pressure, and results agree well with available data. Solid-to-solid contact heat transfer a function of area of contact, particle surface characteristics and void fraction as well as solid conductivity.

Ms. 62-196

27pages, including 7figures, 2 tables

63.00

Gas Absorption with Zero Order Chemical Reaction

Gianni Astarita and Giuseppe Marrucci, Uniuersity of Naples, Italy Reaction in a plug-flow moving liquid studied, and rigorous solutions given for some limiting cases. Same process in a packed tower also reported.

M s . 62-200

23 pages, including 2figures

83.00

(Continued on page 80) VOL. 5 4

NO. 1 0

O C T O B E R 1 9 6 2 77

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VOL. 5 4

NO. 1 0

OCTOBER 1 9 6 2

79

R E S E A R C H RESULTS Thermal Diffusion in Binary Liquid Mixtures

T. M t z u s k m and R. Ifo, Kyoto University, Japan Derivation of a flow equation in a thermal diffusion cell and the phenomenological relation for thermal diffusion constant, a, are discussed. Kinetic treatments give the expression for a,the predicted values of which are in good agreement with experi mental resulrs.

Ms. 62-201

18 pages, inchdin(: 2 tables, 5 j p r e s

$2.0

A Study of the Effect of Concentration on the Lewis Model For Gas-liquid Mass Transfer

R . K . Gibbsand D . .ld. Himmelbiau, Universiiy

fo,

Texas

The Lewis model is a reasonably satisfactory model for interphase transport of COP in gas-liquid systems under consistent hydrodynamic conditions. Although rate “constant” for mass transfer changes somewhat with gas or liquid concentration, variation under normal conditions is moderate in contrast to nonideal liquid-liquid systems.

BORAX TO BORANES With preface by PROFESSOR THOMAS WARTIK Pennsylvania State University This is a collection of 27 papers given at two ACS symposia (1958 and 1959) on the production of boron hydrides from borax, and on the chemistry of the boranes. Five papers are included on the fundamental chemistry of boron, and one on the history of this element and its compounds. Among the applications of boron and the boranes discussed in this definitive monograph are those to nuclear reactors, “exotic” jet engine and rocket fuels, and semiconductors. Boron is, because of its electronic structure, an extremely versatile element and forms a great variety of compounds of potential but unrealized usefulness. Boron chemistry is one of the new frontiers in organo-inorganic chemistry. Therefore, this volume is of interest and importance to chemists in any of the fundamental fields, as well as to specialists in the theory of valency, crystal structure, metallo-carbon compounds, the chemistry of explosion, and the history of chemistry.

M s . 62-202

Paper bound.

H. I+‘. Godbee and I