proceedings iccs '97 - gbv · distribution of coal moisture as inner and outer gas within coke...
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PROCEEDINGS ICCS '97
Proceedings of the9th InternationalConference on Coal Science7-12 September 1997Essen, Germany
Volume II
DGMK Tagungsbericht 9703
UNIVERSITATSBIBUOTHEKHANNOVER
TECHNiSCHEINRDRMATIONSBiBLIOTHEK
Edited by:A. Ziegler, K.H. van Heek,J. Klein and W. Wanzl
UB/TIB Hannover116 451 564
89
P & W Druck und Verlag GmbHD - 45141 Essen, Germany
Volume II
Pyrolysis and Carbonisation 543
Kinetics and Mechanisms 545
Pore structure evolution and volatiles release during high pressure coal pyrolysis 545J. Tomeczek, S. Gil
The influence of the humic constituents upon the nature of thermal conversion of 549brown coalL. Butuzova, A. Krzton
Kinetics of mesophase formation from coal tar pitch and coal tar pitch-graphite / 553metal chloride mixtureJ. Pajak, E. Alain, I. Gerard, D. Bdgin
Comparison of different mechanisms for the product formation in the simulation of 557coal pyrolysisJ. Pelek, B. Rummer, V. Seebauer, G. Staudinger
Extension of a coal pyrolysis model to biomass feedstocks 561Y. Chen, S. Charpcnay, A. Jensen, M.A. Serio, M.A. Wdjtowicz
Primary devolatilization during the initial stages of pressurized combustion and 565gasificationS. Niksa
Flash pyrolysis of single coals 569Th. Kellerhoff, S. Wirtz, H. Kroner
Evaluation of precombustion control of mercury emissions from coal combustion 573by mild pyrolysis in a Rijke pulse combustorT.C. Keener, A.T. Wolf, S.-J. Khang
Effect of preheating of coal on product distributions in flash pyrolysis 577S. Morooka, T. Mori, T. Isoda, K. Kusakabe, H. Kumagai, J.-i. Hayashi, T. Chiba
Degradation of Yallourn coal by mild oxidation with hydrogen peroxide in 581alcohols and flash pyrolysis of the treated coalsT. Isoda, H. Tomita, K. Kusakabe, S. Morooka, J.-i. Hayashi
Hush pyrolysis of coal solubili/cd in mcthanol based binary solvents 585K. Miura, K. Mae, T. Maki, H. Okutsu
Characterization of dcsulfurization, denitrogenation and process sulfur transfer 589during hydropyrolysis of Chinese high sulfur coalsCh.-G. Sun, B.-Q. Li, C.E. Snape
Pyrolysis kinetics of coal and biomass - comparative investigations and evaluations 593of kinetic parametersV. Seebauer, H. Schogler, J. Petek, G. Staudinger
Quantifying the contributions of pyridine extractables and pitch additives to 597fluidity in coal carbonisationJ.M. Andresen, M.M. Maroto-Valer, C.E. Snape
The mechanism of the development of coking pressures 601A. Walker, C. Barriocanal, J.W. Patrick
Pyrolysis of coals with alkali hydroxides. Kinetics, mechanism and products 605T.I. Zubova, T.V. Khabarova
Investigation into the effect of dolomite upon the fate of sulphur, nitrogen, chlorine 609and trace elements during the flash pyrolysis of Polish coalsK.D. Bartlc, K.M.L. Holden, P.J. Bysh, S.C. Mitchell, M. Sciazko, K. Kubica, M.Czaplicka, A. Kordas
A new bench-scale high-pressure fluidized bed pyrolysis and gasification reactor 613designA. Megaritis, Y.-Q. Zhuo, R.C. Messenbock, D.R. Dugwell, R. Kandiyoti
Prediction and measurements of devolatilisation of large coal particles under 617combustion conditionsW. Rybak, T. Banaszak, R. Miller, B. Morsy
Kinetic model of hydrocarbon generation from coals using maceral composition 621A. Jimenez, L. Martinez, F. Rubiera, E. Fuente, JJ. Pis, I. Suarez-Ruiz
XX
Catalytic pyrolysis of tars. A kinetic approach 625B.J. Faundez, X.A. Garcia, A.L. Gordon
Dcvolatilisation of Yallourn Brown coal at elevated pressure in an entrained flow 629reactorJ.F. Mathews, H. Yeasmin, S. Ouyang
Effects of pretreatments on the flash pyrolysis behaviour and the coking properties 633of a non-fusible coalM. Kishino, T. Nonaka, K. Sakanishi, I. Mochida
Pyrolysis mechanism of dculcratcd lower-rank coal and model compounds 637H. Takagi, T. Isoda, K. Kusakabe, S. Morooka
Pyrolysis mechanisms of lignin model compounds 641P.F. Britt, A.C. Buchanan, M.J. Cooney
Coal dcvolatilization submodel for comprehensive combustion and gasification 645codesY. Zhao, Y. Chen, D.G. Hamblen, M.A. Serio
Interaction of coal with water during mild pyrolysis 649M.S. Ismagilov, I.A. Korobetskii
An analysis of coal pyrolysis rates using thermogravimetry 653H. Okuo, T. Kojima, Y. Yamashita, A. Inaba
Methods for the Determination of Coking Properties 657
Evolution of paramagnetic centres during thermal decomposition of coal and 657maceralsA.B. Wieckowski, B. Pilawa, M. Lewandowski
The role of semi-fusinite in coal plasticity development 661M.M. Maroto-Valer, D.N. Taulbee, J.M. Andresen, J.C. Hower, C.E. Snape
1 lydrogenation and carbonization of coal tar pitch using organometallic complexes 665A. Ishihara, X. Wang, H. Shono, T. Kabe
Use of a low rank Brazilian coal for cokemaking 669E. Osorio, A.C.F. Vilela
The main petrographic characteristics which determine coke reactivity 673G. Predeanu, C. Panaitescu, F. Maties
XXI
Assessment of coking plant wastes as additives for cokemaking 677C. Barriocanal, R. Alvarez, M.A. Diez, M.D. Casal, C.S. Canga
Characterisation of Products 681
Meat distribution in pyrolysis products in relation to ignition potentials of coals of 681varying ranksV. Tan, J. Zelkowski
New structural concept for carbonized coals 685A. Marzcc
Characteristics of chars produced from devolatilisation of Yallourn brown coal at 689elevated pressureH. Yeasmin, S. Ouyang, J.F. Mathews
Sulphur in the coke and ash of eocene coal and utilisation constraints and prospects 693M. Ahmed, A. Rahim
Microstructural and microtextural investigations of cokes derived from inertinite- 697rich coalsA.K. Varma
Pyrolysis of coal tar 701M. Godo, W. Qian, S. Otsuki, A. Ishihara, T. Kabe, S. Miwa, H. Katahira, K.Mukai
Research on structure of tar by Py-GC and Py-FTIR 705K.-Ch. Xie, J. Feng, W.-Y. Li, F. LI
The identification of cyclopenta-fused polycyclic aromatic hydrocarbons in the 709pyrolysis products of brown coalB.A. Vcmaglia, M.J. Wornat, A.L. Lafleur, E.F. Plummer, K. Taghizadeh, P.F.Nelson, C.-Z. Li, A. Necula, L.T. Scott
Vapor pressures of coal tars 713O. Vahur, E.M. Suubcrg
New methodology for pitch characterization by HPLC 717Y. Martin, R.A. Sole, R. Garcia, S.R. Moinelo
Behaviour of trace elements during the pyrolysis of biomass and sewage sludge 721C. Storm, H. Spliethoff, K.R.G. Hein
XXII
Studies of the optical texture of cokes from different rank coals 725S. Jasienko, U. Swietlik, H. Machnikowska
Catalyst application in carbonaceous materials production by pyrolysis and coking 729
processesB.N. Kuznetsov, M.L. Shchipko, M.Yu. Ygay, T.G. Shendrik, V.I. Saranchuk
Evaluation of hydrogen transfer properties of pitches 733J. Machnikowski, H. Kaczmarska, A. Jerusel, F. Czechowski
Pyrolysis of a mixture of coal and lube oil wastes in a continuous-mode fluidized 737
bedR. Molincr, M.J. Lazaro, I. Suelvcs
Improvement of coal pyrolysis yields by blending coal with lube oil wastes 741M.J. Lazaro, I. Suclves, R. Moliner
Synergism from copyrolysis of coal and petroleum residues 7451. Suelves, M.J. Lazaro, R. Moliner
A new method to characterize the textural components of metallurgical coke and 749ist changes in the blast furnaceA. Ollig, H.W. Hagemann, U. Janhsen
The influence of water pretreatment on the medium-rank coal pyrolysis 753V.I. Saranchuk, L. Butuzova, V. Oshovskij, G.P. Matsenko
Separation of sulphur from metallurgical coke by temperature treatment up to 7572.400 CM. Legin-Kolar, A. Radenovic
Comparative investigations of tar from pyrolysis and hydropyrolysis and their 761relationship with coal structureH.-K. Chen, B.-Q. Li, B.-J. Zhang
Bed retained products in swept fixed bed (SFB) coal hydropyrolysis 765A.M. Mastral, M.J. Perez-Surio
Structural changes of Fanzhi brown coal during hydrous pyrolysis 769S. Guo, Y. Ma, S. Li, Y. Liang, Q. Shi, K. Qin
Desulfurization behaviour in rapid pyrolysis of coals with various pretreatments 773K. Sugawara, N. Tsubouchi, T. Sugawara, M. Shirai, Y. Nishiyama
The influence of microporosity on resistance and carboxyreactivity of cokes 777J. Medek, Z. Weishauptova
XX11I
Characterization of chars from coal-tyre pyrolysis 781R. Alvarez Rodriguez, M.S. Callen, C. Clemente, A.M. Mastral, M.C. Mayoral, R.Murillo
Pore structure evolution of low rank coals during rapid and slow pyrolysis 785A. Albiniak, W. Rybak, E. Broniek
Dcsulfurizing effect of the water vapour in the process of pyrolysis of solid fuels 789V. Minkova, M. Razvigorova, N. Petrov, T. Budinova, M. Goranova
A comparison of activated carbon from coal and coconut shell 793M. Zielinska-Blajet, N. Yoshizawa, T. Furuta, K. Maruyama, Y. Yamada
Coking Mechanisms and Reactions of Coke 797
Characterization of the swelling behavior of coals in industrial coke ovens 797P. Arendt, F. Huhn, D. Hinz, J. Strunk
Distribution of coal moisture as inner and outer gas within coke oven charges 801F. Huhn, H. Kiihl
Studies on coke strength in relation to coal properties 805H. Sato, J.W. Patrick, A. Walker
The softening mechanisms of heat-treated caking coals 809T. Yoshida, T. Takanohashi, M. lino, K. Katoh, K. Fukada
Interaction between high-volatile coals and coal tar pitch at the preplasticity stage 813S.A. Aipshlein
Influence of coke oven chamber width on by-product characteristics 817P. Arendt, H. Kiihl
The influence of petroleum caking additives on the process of structural 821transformation of substances in organic mass for the poorly caking coals in coke-makingV.V. Zubkowa, M.G. Sklyar, V.V. Prezhdo
I lydrogenation of high-volatile coals at the preplasticity stage 825S.A. Aipshtein
Heat treatment of high-volatile coals at the preplasticity stage 829S.A. Aipshtein
XXIV
Formation of lustrous carbon by two-stage pyrolysis of coal 833J. Buchtele, P. Jelinek, P. Straka
Coking Properties of Blends 837
Co-pyrolysis of coal and used tyres 837Ph. Laurent, C. Braekman-Danheux, A. Fontana, M. Lecharlier
The copyrolysis of an oil shale and polyethylene 841M. Ozdemir, A. Akar, M. Citiroglu, E. Ekinci
Comparison of coking behaviour of coal blends in the SCS-syslcm and in 845conventional high capacity coke ovensW. Rohde, J. Strunk
Interactions between coals in blends during coking 849R. Sakurovs
The process of utilization of organic waste by method of hard coal coking 853W. Zmuda, B. Tora, W. Woyciechowski
Effect of pitch characteristics on plastic phase formation during coal coking 857R. Alvarez, C. Barriocanal, M.A. Diez, G. Gryglewicz, U. Swietlik, J.Machnikowski, H. Machnikowska
How to recirculate the coke (-10 mm) grain size in coke oven charges 861Gh. Cadar, I. Dinu
Improving of coking properties of coal blends with products of liquefaction of 865brown coalV.V. Malkova, S.A. Aipshtein, M.I. Rogaielin
Co-pyrolysis of coal with waste materials 869J. Buchtele, O. Burdova, P. Buryan, P. Straka
Reactions of Coke in Metallurgical Processes 873
Reduction behaviour of carbon-coated-iron ore in a high temperature nitrogen 873streamK. Sugawara, K.i. Fukase, K. Morimoto, T. Sugawara, Y. Enda
XXV
Effect of ash content and composition on coke high temperature properties 877G. Predeanu, P. Albastroiu
Mechanisms of Formation of Carbon Materials 881
Study of the polymerisation of pitches during their treatment under argon- and air- 881blowing conditionsY. Martin, R.A. Sole, R. Garcia, S.R. Moinelo
Toward the development of a superior binder for carbon materials 885S.C. Martin, A.N. Adams, H.H. Schobert, F. Rusinko
One kind of technology on producing char without pollution 889Ch. Yin
Preparation of pitches by coal-tar air-blowing 893V. Prada, M. Granda, J. Bermejo, R. Menendez
Polymerization of anthracene oil by thermal treatment in the presence of sulphur 897A.L. Fernandez, M. Granda, P. Bernad, J. Bermejo, R. Menendez
Polymerization of anthracene-oil by thermal treatment in the presence of 901aluminium trichlorideA.L. Fernandez, M. Granda, J. Bermejo, R. Menendez
Comparative study on porous textures of lignite and anthracite based activated 905carbons produced in steam pyrolysisL. Lutskanow, R. Nickolov, D. Douchanov, E. Bjornbom, L. Lakov
The study of the precursor states for the graphitization of Northwestern 909Bangladeshi coalJ. Podder, T. Hossain
Combustion 9 ! 3
Kinetics of Conversion 915
Effect of mineral matter content on combustion kinetics of some Turkish lignites 91511. Haykiri-Acma, A. Ersoy-Mericboyu, S. Kiictikbayrak
XXVI
Observation of pulverised coal heterogenity before, during and after combustion 919T.J. Beeley, J. Crelling, J.R. Gibbins, R.H. Hurt, A. Scott, N.M. Skorupska, J.Williamson
Fragmentation of coal particles at high temperature environment 923P. Dacombre, M. Pourkashanian, A. Williams, L. Yap
A numerical study of the origin of unburned carbon 927J.-K. Sun, R.H. Hurt
An extended high temperature coal particle combustion model 931J.M. Jones. P.M. Patterson, M. Pourkashanian, L.E. Rowlands, A. Williams
Mathematical modeling of slag tap fired boilers - a parametric study 935S. Murza, M. Deilmann, II. Krcmcr, S. Wirtz
Evolution of volatile species from the combustion of coal pyrolysis volatilcs 939E.B. Lcdcsma, Ch.-Z. Li, P.F. Nelson, J.C. Mackie
Interaction of molten salts with a semi-anthracite char at 743 K. Influence on the 943gasification in airV. Gomez-Serrano, M. Alfaro-Dominguez, F.J. Higes-Rolando, R.M". Martin-Aranda, M'.L. Rojas-Cervantes, A.J. Lopez-Peinado
Assessing coal quality impacts on p.c. combustion behavior 947S. Niksa
A study of the effect of air oxidation on the combustibility of different coals 951G. dc la Puente, E. Fuente, M.J. Iglesias, F. Rubiera, J.J. Pis
Continuum radiation analysis of size distributed ensembles of char particles 955L.P. Zarkova, P.S. Pirgov, LA. Vasilieva, V.E. Banin, J.H.J. Moors, A. Veefkind
New application of the fixed bed reactor to the measurement of coal reactivity 959under dynamic combustion conditionsM. Ozdemir, J. Zelkowski
Experimental study of coal combustion under fluidized bed conditions 963T. Weber, M. Wirsum, F.N. Fett
XXVII
Ignition, Burnout, Reactivity 967
Relationship between combustion properties and formation of volatile matter of 967coal and biomassW. Li, W. Wanzl, E. Pilarczyk, P. Leonhardt
Effect of natural and/or forced convection on ignition mechanism of single coal 971particlesH. Katalambula, K. Ikeda, K. Kitano, J.-i. Hayashi, T. Chiba
I ah scale investigations of ignitability and flame stability of pulverised coals 975S. Rcmke, J. Zelkowski
Role of the evolution of the porous structure under oxidation in fragmentation of 979chars1.1. Kantorovich, E. Bar-Ziv
Predictions of char burnout at higher conversion levels with a new char burnout 983modelJ.H.P. Haas
Investigation of ignition behaviours of solid fuels 987A. Sinag, Z. Misirlioglu, M. Canel
A comparative classification of coal reactivity 991A. Zolin, A. Jensen, L. Storm Pedersen, P. Torslev Jensen, K. Dam-Johansen
Char deactivation at elevated temperatures 995N.V. Russell, TJ. Beeley, J.R. Gibbins, C.K. Man, J. Williamson
Drop tube investigations into coal particle combustion at elevated temperatures and 999pressuresA. Schcrello. G. Hackert, S. Wirtz, B. Bonn, H. Seewald
Combustion characteristics of intensively cleaned coal fractions. Effect of mineral 1003matterF. Rubiera, A. Arenillas, E. Fuente, S. Ivatt, J.J. Pis
Morphological and rcacitivity changes of char during pulverised fuel combustion 1007in a 1 MW furnace and a drop-tube furnaceE. Lester, M. Clokc, W.H. Gibb
Effect of maceral content on volatile release and char combustion reactivity 1011Il.-Y. Cai, A. Megaritis, R.C. Messenbock, J. Palacin, D.R. Dugwell, R.Kandiyoti
XXVIII
Combustion reactivity of chars from copy roly sis of coal with coke-oven gas 1015H.-Q. Liao, Ch.-G. Sun, B.-Q. Li
P.f. combustion behaviour of Canadian coals in relation to their petrographic 1019characteristicsA.G. Borrego, M.J.G. Alonso, D. Alvarez, W. Kalkreuth, R. Menendez
Effect of temperature on ash volatility and improvements in entrained flow 1023combustion conversion measurementsC.K. Man, J.R. Gibbins, N.M. Skorupska, M.H. Seitz
Reactivity of coal chars prepared in a fluidized bed reactor at different burn-off 1027degreesA.H. Moreno, A. Arcnillas, F. Rubiera, E. Fuente, J.J. Pis
Catalytic activity of carbon by K2CO3 supported on several oxides 1031T. Miyazaki, N. Tokubuchi, M. Arita, M. Inoue, I. Mochida
Heat and Mass Transfer 1035
On the simulation of the two-phase-flow in coal dust fired furnaces using a grid 1035decompositionA. Schiller, K.C. Fischer, H. Miiller, R. Leithner
Mathematical model for heat transfer in char combustion processes 1039F. Chejne J., W.F. Florez E., A. Rivera A., A. Hill B., E. Arenas C.
Prediction of slagging of a lignite fired boiler 1043K.C. Fischer, R. Leithner, H. Muiler, W. Pauker, H. Heitmiiller
Formation, Reduction and Separation of Pollutants 1 0 4 7
Alkali release and adsorption by ash components and additives during the 1047combustion of lignitesC.B. Muchmore, R. Kopsel, E.J. Hippo, D. HShne, D. Maiwald
Release of alkali vapour during combustion in a semi-technical entrained flow 1051reactorT. Reichelt, K.T. Hartinger, H. Spliethoff, K.R.G. Hein, P.B. Monkhouse, J.Wolfrum
XXIX
Study on the evaporation and reaction of alkali in coal ashes 1055C. Steffin, W. Wanzl, K.H. van Heek
Thermodynamic investigations of desulphurization and emission of heavy metals 1059in combustionB. Meyer, D. Rehn, M. Brand
Heavy metal emissions from a bituminous coal and lignite combustion 1063E. Ekinci, B. Can, H. Okutan
XANES studies of nitrogen and oxygen surface species in the pyrolysis and 1067combustion of carbons and coal charsQ. Zhu, J.A. Turner, A.E. Russell, K.M. Thomas
Investigations on influences of nitrogen release and nitrogen oxide formation due 1071to coal pyrolysis and combustionR. Kdpsel, J. Friebel, S. Halang
Influence of char texture and volatile matter content on NO emissions 1075A. Arenillas, F. Rubiera, J.B. Parra, A.H. Moreno, J.J. Pis
The role of N-containing surfaces species on NO reduction by carbon 1079P. Chambrion, T. Kyotani, A. Tomita
Carbons as models for coal devolatilisation and combustion 1083J.M. Jones, K.M. Thomas, Q. Zhu
Unwanted volatile organic compounds from coal fluidised bed combustion 1087A.M. Mastral, M.S. Callen, R. Murillo, M.C. Mayoral
On the role of limestone in the conversion of fuel-N in fluidized bed combustion of 1091coalS. Schafer, B. Bonn, H. Baumann
Development of a drop tube furnace based method for assessment of the effects of 1095coal reactivity on the propensity for reduction of NOx emissions during pfcombustionM.J. King, A.M. Marraffino, D.J.A. McCaffrey, J.J. Powis, D.G. Richards, M.Whitehouse
Performance of different kinetic models in the low temperature gas reburning 1099process
R. Bilbao, L. Prada, A. Millera, M.U. Alzueta
The catalysed reaction of NO and N2O with activated charcoal 1103S. Carabinciro, I.F. Silva, F.B. Fernandes
XXX
Coal characterisation for NOx prediction • 1 0 7
C.K. Man, N.V. Russell, J.R. Gibbins, J. Williamson, H. Tominaga
A pilot-plant study on NOx reduction by coal reburning 1111E. Hampartsoumian, T.A. Naja, Y.B. Yang, B.M. Gibbs
Equitherm calculations to alkali absorption by ash components and additives at 1115fluidized bed combustion temperatureR. Kopsel, D. Hdhne, B. Meyer
Catalytic influence of ash elements on NOx formation from bound nitrogen in coal 1119combustionR. Kopsel, S.I lalang
The release of NO during char combustion 1123Q. Zhu, A. 1 larding, K.M. Thomas
Reactions of NO and N2O with chars 1127W.A.T. Ellyat, F.E. Nadji, K.M. Thomas
Reducing sulphur emission in the process of burning high-sulphur lignite coal 1131D.D. Rustschev, E.E. Bekyarova, D.P. Samnaliev, V.D. Toteva
A mathematical model of SO2 emission in fluidized bed oil shale combustion 1135S. Li, G. Wang, J. Wang, J. Qian
Sulphur capture in fluidized bed combustion of coal at oxidising and reducing 1139conditionsB. Bonn, H. Baumann
High conversion of fuel nitrogen to N2 during the fixed-bed pyrolysis of a German 1143brown coalZ. Wu, Y. Ohtsuka
Coal Blends and Fuel Mixtures 1147
Characterizing multicomponent fuel effects during the initial stages of pulverized 1147coal combustionS. Niksa, S. Cho
Prediction of combustion behaviour of coal blends in industrial scale boilers from 1151laboratory scale dataS.V. Pisupati, A.W. Scaroni
XXXI
Emissions from combustion of coal-tyre rubber mixture in fluidised bed 1155A.M. Mastral, M.S. Callen, R. Murillo, M.C. Mayoral
Solid Fuel Injection into the Blast Furnace 1159
The influence of oxygen on the ignition and combustion of clouds of coal particles 1159Y. Rhandi, R. Gadiou, Y.-C. Choi, G. Prado, P. Gilot, O. Charon
Formation and Properties of Ash and Slag 1163
Assessing the changes in slagging propensity with composition for blended coals 1163N.J. Manlon, G.S. Rilcy, J. Williamson
A kinetic model for iron based mineral matter transformations in coal combustion 1167environment0. Bozic, R. Leithner
Fate of inorganic constituents during fluidised bed combustion of low-rank coals: 1171effect of temperature on ash characteristicsH.B. Vuthaluru, Y. He, J.N. Zhu, D.K. Zhang
Behaviour of chlorine and sulfur during coal combustion in AFBC systems 1175W. Xie, W.-L. Pan, D. Shen, J. Heidbrink, W.-P. Pan, J.T. Riley, K. Ho
Influence of coal characteristic in the ashes from AFBC 1179L. Armesto, J.L. Merino, A. Cabanillas
Assessing the deposition propensity of a suite of power station coals 1183F. Wigley, J. Williamson, W.H. Gibb, A.K. Mehta
Composition and morphology of fly ash from fluidized bed combustion of brown 1187coal1. Sykorova, J. Smolik, J. Schwarz, O. Kerkkonen, J. Kucera, V. Havranek
Agglomeration behaviour of Beyparzari and Can lignites in a fluidized bed 1191B. Hilmioglu, H. Atakiil, M.F. Yardim, E. Ekinci
Characterization of fly ash and ash deposits from AFBC systems 1195W. Xie, J. Napier, J. Xu, W.-P. Pan, J.T. Riley, K. Ho
XXXII
The relationship between coal mineral matter and deposit formation during 1199pulverised coal combustionD. Alvarez, R. Menendez, F. Wigley, J. Williamson
Fly ash characterization from fluidized-bed combustor, Xiezhuang power plant, 1203Shandong, ChinaJ. Shao, H. Li, Z. Wang, S. Zhu, X. Shao
Gasification 1207
Kinetics of Conversion and Reactivity 1209
Coal gasification: kinetics and burn-off behaviour 1209I". Kaptcijn, M. Wecda, J.A. Moulijn
Theoretical study on composition of gas produced by coal gasification 1213M. Kaiho, H. Yasuda, M. Kobayashi, O. Yamada, Y. Soneda, M. Makino
Char combustion and gasification rates deduced from CO and CO2 production 1217J.H.J. Moors, V.E. Banin, A. Veefkind
Non-isothermal and isothermal TG study of sub-zone R4 of Tarfaya's oil shale 1221residual carbon under a reactive atmosphere (mixture of nitrogen and steam)K. Nabih, A. Boukhari, T. Cordero, J. Rodriguez-Mirasol
Dynamic pore analysis of shock tube, grid reactor and entrained flow reactor 1225experiments on char combustion and gasificationJ.1I.J. Moors, V.E. Banin, A. Veefkind
Coal reactivity correlations with active sites and FTIR data 1229W. Zhao, F. Li, K.-Ch. Xie
High-pressure CO2-gasification of Daw Mill coal and combustion reactivities of its 1233chars: effect of reactor configurationsA. Megaritis, R.C. Messenbock, A.-G. Collot, Y.-Q. Zhuo, J.-Y. Lim, D.R.Dugwell, R. Kandiyoti
Reactivity of cokes from waste pyrolysis 123 7S. Burkle, R. Reimert, E. Henrich
Laser Raman microscope and XPS investigations on char reactivities 1241S. Kambara, Y. Fusegawa, T. Yamada, M. Harada, S. Shinozaki
XXXIII
Large rate enhancement by calcium catalysts in the gasification of petroleum coke 1245Y. Ohtsuka, Y. Oshima, A. Yamauchi, Q. Zhuang
Chemical and physical properties of chars with heat treatment 1249K. Morishita, I. Yamazaki, H. Takei, T. Takarada
Effect of Fe and Cu catalysts on the gasification kinetics of carbons 1253Z.I. Meza-Renken, E. Henrich, G. Wolf
Effect of pyrolysis conditions on the CO2 catalytic gasification of char 1257A. Molina, T. Angulo, J. Calo, P. Hall, F. Mondragon
Cheap, low temperature coal gasification catalysts 1261E.J. Hippo, D. Tandon
Heat and Mass Transfer 1265
Co-gasification of biomass and coal in a pressurized fluidized bed gasifier 1265J. Andries, W. De Jong, K.R.G. Hein
Transient modeling of gasification 1267W. Klose, R. Bielmeier
Recent progress in underground coal gasification modelling 1271A. Coeme, M. Mostade, J.-P. Pirard, P. Pirlot, I. Sintzoff
The entrained flow reactor as a tool in coal research 1275F. Kapteijn, M. Weeda, J. Heiszwolf, J.A. Moulijn
Pressurised entrained-flow gasification simulator 1279A. Bos, S. Eenkhoorn, J.H.A. Kiel
Mathematical model for the gasification of coal under pressure 1283E. Klose, R. Kopsel
Theoretical analysis of schemes for complex coal processing 1287V.I. Anikeev, A.V. Gudkov, A. Yermakova
XXXIV
Formation, Reduction and Separation of Unwanted Products 1291
Studies on the sulphur-capture of calcium during coal gasification in a fluidized 1291bed reactorZ.-B. Zhao, L.-P. Chang, K.-Ch. Xie
High temperature removal of H2S in gasifier using a new macroporous lime 1295particleK. Miura, K. Mae, J. Inatomi, M. Shimada
II2S removal by injection of calcium based sorbents in an entrained bed reactor 1299J. Adanez, L.I', de Diego, F. Garcia-Labiano, V. Fierro
The removal of II2S from coal gas by calcium oxide: the effect of temperature and 1303residence time on CaO/CaS sinteringJ. Agnew, E. Hampartsoumian, J.M. Jones, W. Nimmo
Removal of tar by secondary air in fluidized-bed gasification of residual biomass 1307Y.G. Pan, X. Roca, E. Velo, L. Puigjaner
Solid Fuel Injection into the Blast Furnace 1311
Characterization of pulverized and granular coal injection chars 1311J.A. MacPhee, W.P. Hutny, L. Giroux
Effect of injected coal properties on performance of the blast furnace 1315W.P. Hutny, L. Giroux, J.T. Price, J.A. MacPhee, A. Mclntyre
Formation and Properties of Ash and Slag 1319
Underground coal gasification process: petrological and mineralogical approaches 1319T. Nzali, C. Jacquemin, J. vander Auwera, J.C. Duchesne
Slagging phenomena in entraincd-flow gasification 1323ll.J.M Visser, A. Bos, H.B. Vuthaluru, S. Eenkhoorn, J.H.A. Kiel
Reactivity and agglomeration behavior of various coal chars in a jetting fluidized- 1327bed coal gasifierS. Ucmiya, K.-I. Aoki, Ch.-H. Luo.T. Kojima
XXXV
Deposits of coal ash to the water-cooled wall under an entrained bed gasification 1331conditionY. Ninomiya, S. Fujita, A. Sato, H. Karriiya, H. Horio
Author Index
Key Word Index