WORLD CONGRESS IIIOF

CHEMICAL ENGINEERING

September 21(Sun)—25(Thur), 1986Keio Plaza Hotel

Tokyo, Japan

Volume III

UNIVERSITATSBIBLIOTHEKHANNOVER

TECHNISCHEINFORMATIONSBIBLIOTHEK

Sponsored by:The Asian Pacific Confederation of Chemical EngineeringThe Interamerican Confederation of Chemical Engineering

The European Federation of Chemical Engineering

Organized by:The Organizing Committee of the World Congress III of Chemical Engineering

The Society of Chemical Engineers, Japan

TIB/UB Hannover127 787 771

89

VOLUME III

8b. Powders and Aerosol Properties and Powder Technology

Chairmen: G. Jimbo (Nagoya University)

S. H. Kang (Yeungnam University)Y. Kousaka (University of Osaka Prefecture)S. Okuda (Doshisha University)B. Scarlett (Delft University)

8h-101 Some new aspects on measurement of submicron aerosol particles bylaser beam scattering method

S. Okuda and H. Takano III-l

8h-102 Redispersion of aggregate particles in waterT. Niida, Y. Kousaka, M. Yamada and Y. Tanaka IH-5

(48)

8h-103 Chemical components and particle size of tobacco smokeY. Ishizu and K. Kaneki l n " 9

8h-104 Homogeneous nucleation by continuous mixing of high temperaturevapor with room-temperature gas or aerosol

K. Okuyama, Y. Kousaka, J. H. Seinfeld and R. C. Flagan 111-13

8h-105 Discussion on the separation efficiency of some fine powders suspendedin the air by the air cyclone

S. H. Kang 1U-17

8h-106 A study on swirling pipe flow with air suction and straight throughcycloneT. Akiyama, T. Marui and M. Kono 111-21

8h-107 Mechanism of separation of differently shaped particles on inclined platesK. Shinohara and T. Tanaka 111-25

8h-108 A new estimation method for powder yield locus and its applicationto particulate process designs

K. Makino, M. Yamada, K. Kuramitsu and A. Higashiyama 111-29

8h-151 Hopper design based on experiments with a tapping hopper testerA. Suganuma, T. Sugawara and S. Yamauchi 111-33

8h-152 How to keep and control the gravitational bulk flow of granular materialsthrough the gaseous pressure difference

S. Shioji, H. Yamamoto, A. Suganuma, T. Sugawara andR. Aoki 111-37

8h-153 The influence, in mass flow bunkers, of a curved insert placed at the bin/hopper transition

C. R. Holland and M. A. Skettington 111-41

8h-154 The gravity flow of granules—Some new aspects of a more precise solu-tion of Shinohara et al. model

H. Firewicz and A. Zielinski 111-45

8h-155 Electrification of a polymer particle by a single impact on a metal plateH. Yamamoto and B. Scarlett 111-49

8h-156 Charging of ultrafine aerosol particles and coating of them on substratein electric field

M. Adachi, K. Okuyama and Y. Kousaka 111-53

8h-201 Coating of seed particles in a tumbling fluidized bed by atomizing theslurries of clayey particles—Coating efficiency and growth rate

E. Abe, H. Hirosue and N. Yamada 111-57

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8h-202 Flow pattern of gas and solid particles in the aerated tumbling bed in ahorizontal rotating cylinder

C. C. Chen, Y. M. Chang, W. S. Lee and J. F. Hwang 111-61

8h-203 Study on grinding mechanism within ball mill—Measurement of kineticenergy of grinding media

H. Hashimoto and S. Yashima 111-65

8i. Solid-Liquid Separation

Chairmen: K. J. Ives (University College London)W. M. Lu (National Taiwan University)T. Murase (Nagoya University)M. Shirato (Nagoya University)Q. C. Sun (Chengdu University of Science

and Technology)F. M. Tiller (University of Houston)

8i-101 Developments in deep bed filtrationK. J. Ives 111-69

8i-102 Mathematical formulation for prediction of entire filter cycle performanceS. Vigneswaran, C. J. Song and R. Ben Aim 111-73

8i-103 An experimental study of semifluidized-bed filtersL. T. Fan, S. T. Chou and R. Nassar 111-77

8i-104 Simulation of aggregation and breakage in flocculation processesY. H. Kim and L. A. Glasgow 111-81

8i-105 The effect of zeta potential on gravity thickeningE. R. Baumann, D. E. DeBoer and R. V. Stephenson 111-86

8i-106 Batch sedimentation—Revision of theoryR. Font and F. Ruiz 111-90

8i-107 Pilot plant demonstration of a high performance clarifier based onflow contraction

P. L. Silveston and R. R. Hudgins 111-94

8i-108 The relationship between batch and continuous sedimentationA. G. Waters and K. P. Galvin 111-98

8i-15l Effect of the particle size distribution of ground powder on the specificresistance of compressible cake

Q. Sun and J. Li III-102

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8i-152 Improved dewatering in the filtration of alumina trihydrate with traceadditions of cationic surfactant

S. J. Puttock, M. S. Wainwright, R. G. Robins, C. J. D. Fell andA. G. Fane "1-106

8i-153 Filter cake deliquoring by hydraulic expressionM. Shirato, T. Murase, E. Iritani, M. Iwata and J. H. Cho III-l 10

8i-154 Separations by liquid centrifugationsH. W. Hsu 1H-114

8i-155 Performance scale-up of decanter centrifugesA. C. Lavanchy HI-117

8i-156 Scale up of filter-aids manufacturing processS. H. Yoon III-121

8i-201 Generalized approach to mathematical solution of solid-liquid separationproblems

F. M. Tiller, C. S. Yeh, W. Chen and C. D. Tsai III-126

8i-202 A new model for the filtration processes involving filter-aid body-feedJ. Hermia III-130

8i-203 Filtration in non-Newtonian mediaW. Kozicki III-l 34

8i-204 Displacement dewatering of filter cakesG. Baluais, J. Dodds, D. Leclerc III-l38

8i-205 Filtration mechanism of rotary filter-pressT. Toda III-142

8i-206 Effect of shear on the performances of rotating disc type dynamic filtersW. M. Lu, C. J. Chuang and J. Y. Hwang III-146

8i-207 A model of particle agglomerate breakdown in filter cakesL. Gmachowski III-l 50

8i-208 Solid-liquid separationP. Eggerstedt and J. F. Zievers 111-152

8i-251 Structure of a floeY. Adachi and S. Ooi III-l56

8i-252 Solid-liquid separation in concentrated suspensions by pelletingflocculation

K. Higashitani, H. Kage and Y. Matsuno 111-160

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8i-253 Study of parameters affecting the characteristics of flocculated particles—New monitoring techniques

D. Quinternet, T. Yoon, A. Kellil and R. Ben Aim III-164

8i-254 The role of intermittent and/or multipoints polymeric flocculant injectionmethod in turbidity removal and dewatering operation

S. Sakohara, H. Unno and T. Akehata III-168

8i-255 Submicron particle filtration in deep bedsM. Cintre, I. Dodds, D. Leclerc III-172

8i-256 Continuous filter with expression screwS. Kuri, N. Chiba, H. Oya III-176

8i-257 Optimum operational conditions of belt filter pressesM. Sugahara, A. Hiratsuka and S. Hayashi III-l80

8i-258 Filterbelt press—Mechanical factors affecting sludge filtrabilityS. Eto, S. Koike, S. Gohda and M. Nakajima III-184

8i-259 A report on the application of the recent solid-liquid separationtechnologies to the automatic filter press

T. Kurita and S. Suwa III-188

8i-260 Studies of the rleations between thickening/conditioning of sewage sludgeand filter press dewatering

K. Tokunaga, N. Yamaguchi, H. Miyamoto, I. Nakano andY. Kobayashi III-192

8i-261 Comparison of batchwise centrifugal and constant pressure filtrationM. Sambuichi, H. Nakakura and K. Osasa III-196

8i-262 A kinetic study of dissolved air flotationN. Tambo and Y. Matsui and K. Fukushi III-200

8i-263 Development of continuous separation and refinement equipment forcolloidal solution of proteins using isoelectric focusing

H. Yukawa and T. Hoshino III-204

8j. Membrane Technology

Chairmen: J. Bertrand (Institut du Geie Chenuque)E. Drioli (University of Naples)N. Kimura (University of Tokyo)H. Ohya (Yokohama National University)D. L. Roberts (SRI International)

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8J-151 Evaluation of membrane transport models for reverse osmosis in spiralwound cellulose acetate membranes

D. J. Nichols and M. Cheryan 111-208

8J-152 Sorption and diffusion of gases in glassy polymersE. Sada, H. Kumazawa and S. T. Wang 111-212

8J-153 Permeation of gases through electron beam irradiated polymer filmsH. Kita, K. Okamoto and I. Sakamoto 111-216

8J-154 Separation of hydrocarbons by liquid membrane permeation—Membraneinstability and rates of permeation

J. Kawasaki, T. Suzuki, S. Kato and I. Kondou 111-220

8J-155 Porous media in cross flow micro filtrationM. M. Peuchot, V. Milisic, R. Ben Aim 111-224

8J-156 A study for mechanism of membrane separation from molecularstructure

T. Kokugan and H. Narabe 111-228

8J-157 Coalescence of water-in-oil emulsion in A. C. high voltage fieldY. Mori and W. Eguchi 111-235

8J-158 Design of dialysis-ultrafiltration systems for processing of complex fluidsH. A. Talaat, A. G. Abulnour, M. H. Sorour and S. R. Tewfik . .111-239

8J-159 Gas transport across dense membranesN. Choji, W. Pusch, T. M. Tak and A. Tanioka 111-243

8J-201 Reverse osmosis concentration of several aqueous solutions of lowmolecular weight solutes

H. Ohya, K. Matsumoto, Y. Negishi, T. Osada, Y. Baba andA. Komura 111-247

8j-202 Stillage treatment by reverse osmosis coupled to anaerobic fermentationA. M. F. Xavier, G. L. Sant'Anna and A. C. Habert 111-251

8j-203 Studies on enzymic saccharification, enzyme recovery by UF and sugarconcentration by RO membranes

M. Furuichi, N. Hitotsuyanagi and Y. Taniguchi 111-255

8J-204 The prospects of applying reverse osmosis in sugarcane processingT. A. (Daniel) Hsu III-258

8j-204 Ultrafiltration and microfiltration of macromolecular solutionsS. Nakano, T. Nomura and S. Kimura 111-262

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8J-206 Optimisation of module design for membrane ultrafiltrationC. J. D. Fell, D. F. Wiley and A. G. Fane III-266

8J-207 Effect of non-uniform flow distribution on the performance of hollowfiber reactor

J. K. Park and H. N. Chang III-270

8J-208 Inorganic micro- and ultrafiltration membranes different types,advantages, specific applications

D. Gerster III-274

8J-251 Development and application of polyethersulfone ultrafiltration hollowfiber membrane

M. Kusumoto, Y. Iseki, M. Tsuyumoto, K. Okamoto, M. Kai . .111-276

8J-252 Low pressure rotating dynamic membrane process in application forelectrodeposition paint ultrafiltration and emulsion treatment

J. A. Mikhlin, M. E. Weber, A. G. Saiyan and A. Grinsaft III-280

8J-253 Membrane distillationE. Drioli, Y. Wu and V. Calabro III-284

8J-254 Evaluation of a membrane bioreactor with a cross-flow microfiltrationunit

C. Cabassud and R. Ben Aim III-288

8J-255 Ionic mass transfer rate in ion exchange membrane electrodialysisunder limiting current density

T. C. Huang, F. N. Tsai and I. Y. Yu III-292

8J-256 Electrophoresis in space—Contribution of the methods of chemicalengineering

B. Biscans, A. Esterle and J. Bertrand III-296

8J-257 Mass transfer through biomimetic phospholipid compositemembranes

E. Sada, S. Katoh and M. Terashima III-299

8J-3O1 Commercial applications of gas separation membranesD. L. Roberts III-3O3

8J-302 Development of gas separation membrane in "C, chemistry" large-scaleproject in Japan

T. Hakuta, K. Haraya, K. Obata, Y. Shindo, N. Ito andH. Yoshitome 111-307

8J-303 Gas permeation properties of plasma-polymerized membranesT. Haraguchi, I. Terada, T. Kajiyama and S. Ide III-311

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8J-304 Transport of condensible vapors through a microporous glass membraneK. H. Lee and S. T. Hwang 111-315

8J-305 Separation of organic liquids from dilute aqueous solutions bypervaporation through polydimethylsiloxane films

K. Okamoto, S. Tsuru, A. Butsuen, S. Nishioka and H. Kita . .111-319

8J-306 Acid gas separation VIA fractional permeation in reactive liquid mem-branes—A theoretical analysis

J. H. Meldon and Y. Gheissari III-323

8J-307 Pervaporation in hollow fibers bundles—Heat and mass transfers in anunit

J. Sheng, J. C. Mora, M. Emami, R. S. Bes and P. Aptel 111-327

8J-308 Industrial applications of liquid surfactant membranesW. Fiirst, J. Draxler and R. Marr 111-331

8J-351 Liquid membrane supported on polyethylene hollow fibers forseparation of metal species

M. Tanigaki, W. Eguchi and Y. Mori 111-334

8J-352 Analysis of membrane liquid-liquid extractorsM. Mitrovic, S. Stevanovic and L. Rajakovic 111-338

8J-353 An experimental study on the long life supported liquid membraneK. Fujinawa and M. Hozawa III-342

8J-354 A simulation for liquid surfactant membrane permeation in acontinuous countercurrent stirred column

T. Kataoka, T. Nishiki, M. Yamauchi and Y. Zhong 111-346

8k. Mixing and Agitation

Chairmen: S. Hiraoka (Nagoya Institute of Technology)M. Kamiwano (Yokohama National University)Y. Nagase (Hiroshima University)A. W. Nienow (University of Birmingham)J. Oldshue (Mixing Equipment Co.)

8k-201 Two-phase flow map for turbine stirred gas-liquid dispersionsM. M. C. G. Warmoeskerken and J. M. Smith III-35O

8k-202 The advantage of using large ring spargers with standard Rushtonturbines in gassed reactors

A. W. Nienow, H. Wang, H. Liu and K. V. Allsford III-354

8k-203 Jet agitation—Experiments and theoryJ. W. Hiby, M. Modigell and H. Tsuge 111-358

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8k-204 Solids concentration profiles in vessels stirred with multiple impellersF. Magelli, D. Fajner, M. Nocentini and G. Pasquali III-362

8k-205 Mixing phenomena in an agitated vessel with aerationK. Ogawa, C. Kuroda, I. Inoue, K. Shimazaki and T. Yasuda . .111-366

8k-206 Dynamic analysis of the gas phase in stirred gas-liquid contactorsG. Rovero, S. Sicardi, G. Baldi, M. Osella and R. Conti 111-370

8k-207 Mixing and mass transfer characteristics of agitating tanks withobliquely-corrugated wall

K. Miyanami and H. Iwanaka 111-374

8k-208 Analysis of two dimensional viscous flow with special application toclose clearance agitators

T. Hirose and Y. Murakami 111-378

8k-251 Scale-up of micro & macro-scale mixing processesY. J. Oldshue III-382

8k-252 Agitation in systems requiring high shear stressP. Ditl, V. Novak, F. Rieger, V. Vacek III-386

8k-253 Mechanical efficiency and flow characteristics in stirred vessels withturbine impellers

C. W. Wong, C. T. Huang and C. L. Chang III-390

8k-254 Relation between fluid dynamics and mixing tasks in stirred vesselsA. B. Mersmann, H. D. Laufhiitte and H. Voit 111-394

8k-255 Agitation by helical ribbons—Power consumption, mixing time and localvelocities

M. Soliman and J. Bertrand III-398

8k-256 Technique for estimation of mixing time of highly viscous liquid mixingsystem in stirred vessel

F. Saito and M. Kamiwano III-40I

8k-257 Mixing and heat transfer to Newtonian and Non-Newtonian liquidswith a screw impeller

P. T. Carreau, P. Guerin and J. Paris III-405

8k-301 Numerical simulation of flow and heat transfer in an agitated vesselS. Hiraoka, I. Yamada and H. Mori III-409

8k-302 Conditions of emulsification in gas-liquid-liquid systemsE. Arato, G. De Marchi, P. Costa and B. Canepa III-413

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8k-303 Interrelations among discharge flow rate, mixing power and mixing timefor effects of paddle dimensions and baffle conditions in mixing vessels

Y. Sano and H. Usui III-417

8k-304 Heat transfer from a vessel wall to liquids with radial flow agitationB. S. Varshney and S. D. Bhattacharya III-421

81. Fluidization

Chairmen: S. P. Babu (Institute of Gas Technology)D. Kunii (Yokohama National University)P. N. Rowe (University College London)

81-101 On the bed collapse technique for measuring the dense phase voidage ofa gas fluidized bed

P. N. Rowe, D. J. Cheesman, Y. Jin and Z. Yu 111-425

81-102 Gas flow in and around bubbles in gas fluidized beds—Localmeasurements and modeling consideration

K. Hilligardt and J. Werther 111-429

81-103 Distribution of porosity of emulsion phase in fluidized bed by light probesystem

M. Yamazaki, K. Fukuta and J. Tokumoto II1-433

81-104 The effect of radial position on the growth of bubbles in gas-fluidizedbeds

P. K. Agarwal and J. B. Agnew 111-437

81-105 Modeling for bubble size and frequency in gas fluidized bedsJ. H. Choi, C. K. Lee, J. E. Son and S. D. Kim III-441

81-106 Stochastic analysis of pressure fluctuations and bubble behavior ina gas-solids fluidized bed

N. Yutani and L. T. Fan 111-445

81-107 The effect of particle properties on the behavior of bubble in gas-solidfluidized bed

R. Yamazaki, G. Jimbo, M. Nakajima and T. Oshimi 111-449

81-108 Aerated fine particle system—Homogeneous and bubbling fluidizationand segregation

H. O. Kono, S. Chiba, T. Ells, P. Daniell and M. Suzuki 111-453

81-151 Studies of segregation/mixing in fluidized beds of different size particlesA. W. Nienow, N. S. Naimer and T. Chiba III-457

81-152 Segregation in a magnetic stabilized fluidized bedR. L. Sonolikar, A. B. Pande, S. B. Gaidhani and M. G. Kher . .11-461

(57)

81-153 Lateral mixing of solids in fluidized beds with partitionsY. F. Shi and M. X. Gu 111-465

81-154 General model for fluidized beds with internal tube assembliesJ. Corella and J. M. Aragon 111-469

81-155 Modeling of adsorption processes in continuous-flow shallow fluidizedbeds—(I) Analytical solution of a simplified model

S. X. Rong and L. T. Fan III-473

81-156 On the regime of fast fluidizationH. Takeuchi, T. Hirama, T. Chiba and L. S. Leung 111-477

81-201 Studies on ionic mass transfer with coaxially placed cones on a rod(CPCR internal) in homogeneous fluid and fluidized beds

S. S. Rao and G. J. V. Jagannadha Raju Ill-481

81-202 On the structure of solid-liquid fluidized beds and some applications inthe biotechnology field

A. Boscoul, B. Biscans, J. P. Couderc and H. Delmas 111-485

81-203 An anodic reaction in a nominally cathodic fluidized bed electrodeH. S. Chun and J. K. Lee 111-488

81-204 Bubble characteristics and pressure fluctuations in two and three phasefluidized beds

G. T. Jin, S. D. Kim and I. S. Choi 111-492

81-205 A correlation of liquid dispersion in three phase fluidized bedsS. Z. Yang 111-496

81-206 Flow characteristics in three-phase fluidized bed with small gas bubblesY. Kato, S. Morooka, T. Kago and N. Hidaka III-500

81-207 Rheological behavior of a gas-liquid-solid fluidized bedG. H. Song and L. S. Fan 111-504

81-251 Behavior of bubbles in a semi-cylindrical and a cylindrical fluidized bedsat elevated temperature

Y. Hatate, D. F. King, M. Migita, K. Omagari and A. Ikari .. . .111-508

81-252 Interphase mass transfer with a chemical reaction in a fluidized bedH. Hatano and M. Ishida 111-512

81-253 Simulation model for the fluidized-bed coal gasifierS. Mori, K. Yamada, I. Yamada, S. Takeda and T. Kawabata . .111-516

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81-254 Combined entrained-bed/moving-bed combustor for low-grade solidfuels

M. Hasatani, I. Naruse, H. Matsuda, M. Sugita and N. Arai . .111-520

81-255 Application of magnetical stabilization to magnetic/inert fluidized systemsJ. Arnaldos and J. Casal III-524

81-256 Spouting of rice hull and rice hull ash mixturesD. S. Synn III-528

81-257 The effect of internals on the elutriation of particles from fluidized bedK. Kato, S. Kanbara, T. Tajima, H. Shibasaki, K. Ozawa andT. Hanzawa III-532

81-258 Dynamics of particles in circulating fluidized bedsM. Horio, K. Morishita and O. Tachibana 111-536

81-259 Kinetic forces of solid particles in fluidized bedsH. O. Kono, A. S. Ahmadi and M. Suzuki III-540

81-260 The reaction characteristics of parallel consecutive reactions in afluidized bed

K. Kato, H. Okubo and T. Hanzawa 111-544

81-261 A study of oxygen levels in slumped fluidized bedsX. W. Ni and B. M. Gibbs III-548

81-262 Electromechanics and fluidization characteristics of co-flow type electro-fluidized beds

J. S. Chang, S. Mielke, S. Ogata and R. C. Scott III-552

SESSION 13. ENVIRONMENTAL CHEMICAL ENGINEERING

13a. Biological Waste water Treatment

Chairmen: L. S. Fan (Ohio State University)H. Kubota (Tokyo Institute of Technology)M. Suzuki (University of Tokyo)

13a-101 Biological treatment of water and wastewater in three-phase fluidizedbed

A. Hirata, Y. Hosaka and H. Umezawa III-556

13a-102 Characteristics of a draft tube gas-liquid-solid fluidized bed bioreactorwith immobilized living cells for phenol degradation

L. S. Fan, K. Fujie, T. R. Long and W. T. Tang III-560

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13a-103 The contact biological oxidationU. Fasoli, M. Bodino, L. Rasetti III-564

13a-104 Kinetic analysis of denitrification with microbial filmT. Hano and K. Takagi III-568

13a-105 Simultaneous removal of nitrogen, phosphorus, and BOD by sequencingbatch reactor activated sludge process

M. Okada, R. Sudo and A. Murakami 111-572

13a-106 Anaerobic digestion of palm oil refinery effluentM. A. Hashim, R. S. Hassan and K. K. Lee III-576

13a-107 Organic removal performance and rational control of an activatedsludge process

K. Fujie and H. Kubota III-58O

13a-108 PAC/predenitrification activated sludge treatment of steel mill coke-plant wastewater

D. J. Richards and W. K. Shieh III-584

13b. Chemical and Physicochemical Wastewater Treatment

Chairmen: D. Bhattacharyya (University of Kentucky)H. Inoue (University of Tokyo)M. Suzuki (University of Tokyo)

13b-151 Low pressure membrane separation for wastewater treatmentD. Bhattacharyya and M. Hsieh III-588

13b-152 The use of "aphron" techniques for treating hazardous wastesD. L. Michelsen, D. A. Wallis and F. Sebba III-592

13b-l 53 Treatment of pollutants in wastewater by catalytic wet oxidationH. Inoue, H. Komiyama, H. Tanaka, N. Tamura, M. Matsuo,T. Morishita and J. Miyazawa II1-596

13b-154 Wet air oxidation under high temperature and high pressure—A solutionfor total elimination of organic industrial aqueous wastes

J. N. Foussard, H. Debellefontaine and J. Besombes-Vailhe III-600

13b-155 A new technique for the removal of ammonia from wastewaters byanodic oxidation

A. Al-Haddad and M. S. E. Abdo III-604

13b-156 Oxidative degradation of aqueous phenol effluent with electrogeneratedFenton's reagent

M. Sudoh, T. Kodera, K. Sakai, J. Q. Zhang and K. Koide . . . .111-608

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13c. Pollution Control by Adsorption

Chairmen: R. W. Peters (Purdue University)M. Suzuki (University of Tokyo)

I3c-201 Coprecipitation and adsorption phenomena for removal of heavy metalsfrom industrial wastewaters and contaminated ground waters

R. W. Peters, Y. Ku, T. K. Chang, D. Bhattacharyya andS. C. Hohman III-612

13c-202 Removal and recovery of ammonium ion from wastewater byadsorption on natural zeolite

K. S. Ha and M. Suzuki III-616

13c-203 Removal of phosphate ion from wastewater by adsorptionK. Urano and H. Tachikawa III-620

13c-204 Use of clay-based adsorbents for the removal of chlorinated dioxins andbiphenyls from industrial wastewaters

H. S. Fogler and K. R. Srinivasan 111-623

13c-205 Adsorption of trichloroethylene on activated carbon fibersA. Sakoda, K. Kawazoe and M. Suzuki 111-627

I3c-206 Removal of low concentration mercury vapor with adsorbentsimpregnated with sulfur

H. Emi, C. Kanaoka, Y. Otani and I. Uchijima 111-631

13c-207 Solvent regeneration of spent activated carbon in wastewater treatmentH. Tamon, M. Okazaki and R. Toei 111-635

I3c-2O8 Selective adsorption of sodium alkylbenzenesulfonates by insolublepyridinium-type resin

N. Kawabata, T. Morigaki, E. Natsuhara, I. Higuchi andJ. Yoshida 111-639

13d. Air Pollution Control

Chairmen: H. Emi (Kanazawa University)C. Tien (Syracuse University)

13d-101 Dust collection efficiency in turbulent contact absorbersJ. Zadlo and K. Kupiec 111-643

13d-102 Aerosol filtration in granular moving bedsJ. Tsubaki and C. Tien III-647

I3d-IO3 Model study of gas sneakage in electrostatic precipitatorsT. Yamamoto, P. A. Lawless and L. E. Sparks III-651

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13d-104 Cooperative research by industry, university and government on emis-sion of pollutants from pulverized coal combustion

S. Ohtani, S. Nakajima, K. Ohtake and K. Okazaki III-655

13d-105 Study of air pollutant from pulverized coal combustion system by usingturbulent type model furnace

M. Sadakata, T. Sakai, K. Okazaki, K. Ohtake, K. Furuya,S. Nakajima and S. Ohtani III-659

13d-106 Control of power plant emissions-potential of precombustion coalcleaning by caustic

M. Ravindram and J. J. Kalvinskas 111-663

13d-107 Formation of volatile NOx and char NOx during the combustion of coalN. Arai, M. Hasatani and Y. Ninomiya III-667

13d-108 Information of metals pollution in the rainfall-plants-soil system inan industrial/urban and rural area

C. Elejalde, R. Suarez, F. Romero and M. Diaz III-671

13e. Environmental Monitoring and Modeling

Chairmen: S. Goto (National Institute for Environmental Studies)M. Naito (National Institute for Environemntal Studies)R. Rajagopal (University of Iowa)

13e-151 Modeling of the kinetic mechanism of photochemical smogY. Y. Lee and P. E. Lee 111-674

13e-152 Transport phenomena in the thermal internal boundary layerH. Ueda, S. Komori and T. Kitada 111-678

13e-l 53 The effect of surface emissions on the in-cloud sulfate production ratesand ambient sulfate concentrations

S. Y. Cho, Y. Chang, S. G. Shim, G. R. Carmichaeland T. Kitada, 111-682

I3e-I54 On the design of a groundwater monitoring strategyR. Rajagopal 111-685

I3e-I55 Determination of field dispersion characteristics from groundwatermonitoring data

S. T. Hwang III-689

13e-156 A study on optimal allocation of water quality monitoring pointsY. Matsuoka and M. Naito 111-695

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13f. Solid and Hazardous Waste Control

Chairmen: M. Hiraoka (Kyoto University)B. R. Rodgers (Oak Ridge National Laboratory)

13f-201 EPA research into the use of boilers as a hazardous waste disposaltechnique

C. C. Lee., G. L. Huffman, I. J. Licis and D. R. Knudsen 111-699

13f-202 Prioritization of technology applications to hazardous waste needsB. R. Rodgers III-703

I3f-2O3 Waste incineration research—Part 1: development of the AlbertaEnvironmental Centre (AEC) facility

A. J. Liem, B. Pandompatam, A. van Roodselaar andM. A. Wilson 111-707

I3f-204 Computer control system of the refuse incinerator by use of themultivariate autoregressive model

M. Hiraoka, T. Fujiwara, K. Tsumura, K. Takaichi andS. Tsujimoto III-711

13f-205 Dynamic programming optimization of the sludge-to-energy processS. I. Cheng and C. Chan III-715

13f-206 Continuous deliquoring of slimy materials by screw pressM. Shirato, T. Murase, M. Iwata, E. Iritani and N. Hayashi . .111-719

13f-207 Oxygen transfer and microbial activity in compositing of sewage sludgeK. Nakasaki, M. Shoda and H. Kubota III-723

13f-208 Measurement of stabilization of municipal sludges by headspace gasanalysis

H. H. Wang and L. L. Tseng 111-727

13g. Environmental Chemical Engineering

Chairmen: H. Emi (Kanazawa University)M. Hiraoka (Kyoto University)M. Suzuki (University of Tokyo)

13g-30l Deodorization of waste gas with activated sludge in perforatedplate column without downcomer

M. Kimura, K. Nakao, Y. Yasuda and H. Kamori III-731

13g-302 Kinetics of the reaction of sulfur dioxide with calcium oxide powerS. M. Shin III-735

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13g-303 Distributed pore size model for sulfur retention by limestone underoxygen lean conditions and its application to fluidized bed combustor

T. Shimizu, T. Kojima and T. Furusawa III-739

13g-304 Comparative analytical study of coal and fly ash combusted in a laminarflow and a turbulent flow test furnaces

K. Furuya, I. Watanabe, T. Sugawara and M. Sadakata III-743

13g-3O5 Data-base system of environmental impacts on coal combustion andits applications

Y. Miyamoto, M. Ishida and T. Takamatsu III-747

13g-306 Measuring method for dust and mist particles emitted from stationarysources

I. Tamori, N. Kogure and K. Imagami 111-751

13g-307 Effects of coal and coal ash properties on behaviour of coal ash withcombustion of coal and solubility of various elements from the ash

T. Kojima, Y. Matsuno and T. Furusawa III-755

13g-3O8 Experimental study on simultaneous controls of SO2 and NO emissionsin a laboratory-scale fluidized bed combustion of coal

H. Hiroha, T. Kojima and T. Furusawa 111-759

I3g-309 Improved suction pyrometer for stack temperature measurementW. A. Walker III-763

13g-31O Development of a potable water technology research programA. van Roodselaar and M. A. Wilson III-767

I3g-311 Waste disposal of solids produced in water treatmentF. E. Rodriguez-Miaja and M. Rodriguez-Miaja 111-771

13g-312 Engineering design of the disposal wellW. K. Nader III-775

I3g-3I3 Removal of cadmium, lead, and zinc from contaminated groundwatersusing batch line softening operations

R. W. Peters and T. K. Chang 111-779

13g-314 Numerical simulation of a soil filtration treatment based on balanceH. Kawashima, T. Kawanishi and M. Suzuki II1-783

I3g-315 Dynamic behavior of biological denitrification process by fluidized bedbiofilm reactor

H. Harada and K. Momonoi III-787

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13g-316 Biological wastewater treatment with a new contact aerator usingsuspended particles

K. Suzuki and S. Tsunoda 111-791

13g-317 Effects of C-potential of oil droplets and bubbles on air flotationK. Okada and Y. Akagi III-795

13g-318 Chelated cadmium removal process by sulfide precipitation withhydroxide flocculation

T. Aratani, Y. Fujiwara and K. Miyanami III-799

13g-319 Neutralization of acid solution containing iron ions by limestoneK. Noda, S. Kaneko and S. Uchida III-8O3

13g-320 Recovery of FeSO4 and reuse of H2SO4 from pickling liquorS. N. Vyas III-807

13g-321 A new extractant for wastewaters treatmentD. Hadjiev III-810

13g-322 Use of gaseous ozone in treatment of industrial wastewatercontaminated by azo-dyes

G. El Diwani, A. Hafez and S. Hawash 111-814

13g-323 Automatic control of wastewater treatment process for simultaneousremoval of hazardous metals

M. Munemori and T. Aoki III-818

13g-324 Oil-spill clean-up—Determination of emulsionating power of nonionicpolyoxyethylene type dispersants

J. R. Bergueiro Lopez, F. D. Laseca and J. A. Garcia Raso . . . . 111-820

13g-325 Colour reduction in a bleached kraft mill effluentJ. S. Davies, J. V. Headley, F. Skinner and M. A. Wilson . . . . III-824

13g-326 Recovery of scrubber wastes at wet-process phosphoric acid plantsJ. C. Barber III-828

13g-327 Removal of residual mercury from pharmaceutical intermediatesD. Y. Cha and W. D. Kovats III-832

13g-328 Design procedures of a monitoring network based on analysis of ayear-to-year change of spatial-temporal variation of air pollutionconcentration

J. Shindo and K. Oi III-836

13g-329 Control of Cu (II) effects on the biological treatment by means ofadsorption with sepiolita

M. J. Martin, F. J. Mirada and J. Tijero III-840

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13g-330 Anaerobic process stabilization and study of some heavy metal effectJ. Tijero, E. Guardiola, M. Cortijo and A. Diez Barrionuevo . .111-843

13g-331 Biomass production and pollution control of the water hyacinth—Eicchornia crassipes

M. Bigeriego, E. Guardiola, M. del Mar Delgado 111-847