Table Of Content

International Journal of Mineral Processing, 34 (1992) 333-334 333 Elsevier Science Publishers B.V., Amsterdam Contents Volume 34 (1991/1992) The influence of particle size and hydrophobicity on the stability of mineralized froths G. JoBansson anid KJ. Pugit (Stack Wohin: SWOGGM ) ciccscscccsscsccssscccscacsscsnessscsacssecsccentenesiasccesssenss 1 An X-ray photoelectron spectroscopy (XPS) study of the interaction of mercapto-benzo- thiazole with cerussite C. Cozza, V. Di Castro, G. Polzonetti and A.M. Marabini (Rome, Italy )..............cceceesseeeeeeeees 23 Settling velocities of particulate systems, 7. Kynch sedimentation processes: continuous thickening F. Concha and MC. Bustos (C oncenci6m: Chile) «asic. cssiicsccccccsscscccscecaccassecssensccccdscsdsdscesceddosesdene 33 Optimization of complex coal preparation flowsheets IR PCAN reaer NE R N PRU NA SNNGN Bo So cas ca aches cccensncasdeascadacencadceansnssecdastcasctenaseicbicwiities 53 A QEM+¢SEM study of the flotation of composite particles W.Q. Gong, A. Parentich, L.H. Little and L.J. Warren (Perth, Australia) ................cccsceeeeseeeee 71 Selective flotation of apatite from iron oxides W.Q. Gong, A. Parentich, L.H. Little and L.J. Warren (Perth, Australia) ................ccceseseeeees 83 Acceleration and deceleration of breakage rates in wet ball mills RK. Rajamani and D. Guo- (Salt Ealie City; UT, USA). <cc..cccccscssisonssscseessncssssetosensedesesssanavasvesce 103 Magnetoflotation: development and laboratory assessment Us WReO MIN reMnRN MR YcC ANN a Sai ac Rsacalsn cn sin det wai daa dndedaene umrclcaw na eUR TOR 119 Turbulence in flotation cells, a simiplified approach Ee eo |) ee es ce ee ae eee Ree ee eee ee 133 Drying characteristics of oil-shale Fiz TURAN RAD EAE; MPVS CEN UE: TORII) icisccessicossténscscascacscindscsssonscensicbudde aussdbessasttaacecslateocteds 137 Investigation on cold bonded pelletization of iron ore fines using Indian slag-cement D.K. Dutta, D. Bordoloi, $. Gupta, P.C. Borthakur (Jorhat, India), T.M. Srinivasan and Ss ese RenR m Rs a a a cals wa atuavasi dadccaac ensues sosanaeade Waudadquadadisausewielinn 149 Ball wear and its control in the grinding of a lead-zinc sulphide ore WGA INNRUCRNCANeAED GERGANA BINNIE ose acs sv tcca coca cadens naveuen ieanda can schsuaseatexduoacaseadombenstadesosssaasbedsines 161 Tentative study on the principle of radio resonant separation of kimberlite and its wall rock G. Cui and S. Yao (University of Technology, Wuhan, China)................ccsssccsssscsesseceesseeeeeseees 177 Book reviews Column Flotation, by J.A. Finch and G.S. Dobby—D.J. McKee ...............cccseecesseeeseeeeseseceeeseeeeeees 185 Processing of Complex Ores, by G.S. Dobby and S.R. Rao (Editors )}—J.A. de Cuypert................. 186 Today’s Technology for the Mining and Metallurgical Industries, byM MIJ /IMM— = POSE oo os Sdsccsnascaa gue cance causicnnascadcaabeasasenscilatawinganeaaeduceduldavunssslesepteta adaslda sdateaaadleeiadatavaee e 188 A OUNCOURGIG cds sacseen cickc cniaicausctasceteeca ce dasa ecto bucaasaRacad cca agian atacand bcs nia eae aa es 189 EW AUITEIS. foi acess cusucisacisaa dace UDA da caeaeaea sl aaa ate aa tT ladle eae Aelaacta ales ea saan 190 Research papers Classification of minerals according to their critical surface tension of wetting values OE Ce aaah GI Cae PE: UE Yao aes aga ch accents dccastan datesa ea segs nae dead aop tas apg aoe aaaedaas tae 191 Study of the effects of acoustic vibration conditioning of collector and frother on flotation of sulphide ores S. Diendova and V. Mehandjials (Sofia; Bulearia) sii.cicscccciccscsccecccsseciessccsscsssecsecvencsedasentecedees 205 334 Magnetic seeding flocculation of weakly magnetic iron minerals Q.Y. Song, F. Xu (Beijing, China) and S.C. Tsai (Long Beach, CA, USA)............ceseeseeeeeees 219 Optimization of the make-up ball charge in a grinding mill F. Concha (Concepcion, Chile), L. Magne (Santiago, Chile) and L.G. Austin (University BA soci cass eisesich pon eatenn ay vast vs de ona oa cneon waehisun ua caeae guna sab vanes Sead ea isApaae dasa yesSeansgatasnasezanaton 231 An improved relationship to predict expanded bed height in particulate fluidization RFP ARTY CNRS SERINE) oo cccs ccic zccssnscscnstnnspansescovsipeasensnceanccetoageventesesvoususenayntveanensseens 243 Technical note Depression of arsenopyrite in alkaline medium G.M. Li (Guangzhou, China), H.E. Zhang (Shenyang, China) and S. Usui (Sendai, MIAN sci csis nsasssusensancsi daesasexcneanios tase watsueaes alest ea eases Saseed cZ¥aSenGnaeeass asus osentadeaaceacet cantatas ater cme rronoeete 253 SAUNT oi ac SS Og as ee aes sas eo aren ddssaa daca asatues ocean ceud donnundssasusestiaudsceeneegens 259 Research papers A three-phase model of froth flotation G.S. Hanumanth (Hamilton, Canada) and D.J.A. Williams (Swansea, UK) ...............eeeeeees 261 Complete beneficiation of leucite by thermal treatment Es Bin ata F Pciee ra Ome TOI oo sas ova oscstanen veto eatccccceecesbesans tesetycasnonisncasponcheasseceesseates 275 An electrochemical investigation of the diethyldithiocarbamate-galena flotation system Qari: BD: Wana Bir Ce eran CMA) oo scc2escccsstascccessaseenddkecsbacdseecettcceuctsksecevestevarsoveese 289 Adsorption characteristics and flotability of cerussite with ethylxanthate in the presence of dissolved lead ion S.R. Popov and D.R. Vutini¢ (Belgrade, Yugoslavia ) Experimental investigation of collision time of a spherical particle colliding with a liquid/gas interface H. Bergelt, H. Stechemesser and K. Weber (Freiberg, Germany ) COREERIS VINE SALI!) sents cake ssec lacs tacsbun iegueceUiec Rees aia NR 333