Chemical Engineering Journal Volume 80, Numbers 1—3, 1 December 2000 www.elsevier.com/locate/cej Special Issue UEF CONFERENCE ON SOLID-LIQUID SEPARATION SYSTEMS CONTENTS PI os oo i a's 6s Shraheca ch Abe oo Glee wad Ge ee es bce ence & as eR sid be kd ence a hee. wee Bridging flocculation studied by light scattering and settling ee ee, 5,0, Se ee cis cial Abrads nid a hind Ole 0-4.d an AE Re ee > Owe k paalabahe mao Aggregate structures formed via a bridging flocculation mechanism Se ey See wn, She GE SUIS LO WUD o's kh vo wae ha sae 6% 0 ch ve eee bin Epic bu ech ee diet caus The structure and strength of depletion force induced particle aggregates Pee re ee Se ne en ee se iis oe det yee bbe eben es bcdeh eabab eed cnve Cationic microparticle based flocculation and retention systems ea a PEs ods on enh cs aa Ode ee ee oes a8 oho irs bene kee a ates Cow Cites en Estimate of sludge floc permeability ee en, ee coe sn a 5b hiked vO 8 8-40 ane orale bee o 048 WS 4a kb 1a Sees be 04k a eee Enhanced flocculation of colloidal dispersions by polymer mixtures FO 0 a op kb sie ee Oo 0 boc b ae bo eee o> beeme the 6 andatal Oone cba Soa ebcetmeotewks New equipment for detection of polymer induced flocculation of cellulosic fibres by using image analysis — application to microparticle systems Ee an EE > ee te ae Le A. See hire ke Optimization of slurry flocculation and dewatering based on electrokinetic and rheological phenomena ee ke sk bce ae RAN s be did on Reams d Ee ewe ed ee abe eee ans A new method for the reconstruction of the particle radius distribution function from the sedimentation curve See os 5 Das o is ie ea a EG Wks O06 6 Wek PED 6 ODA OT 0 baa 6 thas Pa aa wee ene Cod C80 CRN Stochastic sedimentation and hydrodynamic diffusion fe RS Pe ee eee Pe ee a Sa oe. ees rr ose Soe e eae eee meee ee Numerical methods for the simulation of the settling of flocculated suspensions ae ee a Sn UO og inc ue PE ease ba ed ewe cents cen deeeree gee ew eede eee weds Applications of the phenomenological theory to several published experimental cases of sedimentation processes Fs ay Na. Gilg Gams ncaa cin we habe ass Sib Ob vO ens Coe Nene eee ke betes ube 105 On boundary conditions and solutions for ideal clarifier—thickener units RR Re Spe a ee Ee a Sa ers eee e Pre eee i eee 119 Discrete sedimentation model for ideal suspensions ee ae a dc s bale NS e 0b 6 wap heed em oan eho ee CREE ae ORE oer 135 Consolidation and aggregate densification during gravity thickening J.B. Farrow, R.R.M. Johnston, K. Simic and J.D. Swift... 0. cc ccc cece eect e eer cece en eeees 141 Recent developments in techniques and methodologies for improving thickener performance J.B. Farrow, P.D. Fawell, R.R.M. JohnstonT,.B . Nguyen, M. Rudman, K. Simic and J.D. Swift... .............0005. 149 Semi-batch test of sedimentation. Application to design oe re fe bre er rrr ee cre Se A AR ie 157 Hydrodynamic parameters from the Michaels and Bolger method ee i re ao oh ars Gabbe cule W's 06 Osis hae Conde ORNS E640 b Se EO O HES CORE 167 Phenomenological foundation and mathematical theory of sedimentation—consolidation processes <a rors ee Somer Fe eee rs were yee ee ee Pye sree Py ee ee tone oe 177 Filtration by falling particles EEE oc o's U boned 0 « ud 0'o 4 ORAS EAT ' oe GAGE 0s 00 608 WEE 4A OAR es PERLE CASO ED Che oe wae 189 Vili Contents Suspension concentration profiles during rapid gravity filter backwashing D. Hall and C.S.B. Fitzpatrick The uses of non-steady-state membrane characterisation techniques for the study of transport properties of active layers of nanofiltration membranes: theory with experimental examples A.E. Yaroshchuk and V. Ribitsch Use of material coordinates in porous media solute and water flow D.E. Smiles Pore structure and network analysis of filter cake C.L. Lin and J.D. Miller Cake filtration theory and practice Crossflow filtration testing of INEEL radioactive and non-radioactive waste slurries N.R. Mann and T.A. Todd Dynamic cross flow filtration R. Bott, Th. Langeloh and E. Ehrfeld A critical analysis of the fish hook effect in hydrocyclone classifiers K. Nageswararao Axial symmetric flow model for a flat bottom hydrocyclone J. Collantes, F. Concha and B. Chiné Flow patterns in conical and cylindrical hydrocyclones B. Chiné and F. Concha The hydrodynamics of a hydrocyclone based on a three-dimensional multi-continuum model A.F. Nowakowski, W. Kraipech, R.A. Williams and T. Dyakowski Sub-micron particle dewatering using hydrocyclones S. Pasquier and J.J. Cilliers Experimental hydrocyclone roping models K. Heiskanen Evaluation of hydrocyclone models for practical applications Wu Chen, N. Zydek and F. Parma Author Index Subject Index