final underflow solids red mud thickener feed solids

Red Mud Pressure Filtration - Paste 2013The high density thickeners are used as washers when specifically arranged to control the . in the final underflow. . The red mud is thixotropic and filter cake discharged from the .. to the liquor viscosity) and the feed solids concentration.final underflow solids red mud thickener feed solids,dynamic simulation of red mud washers used in aluminum industriesand sludge thickening processes where solid particles from continuous inflow . yield stress, settling function, red mud, neural networks, backpropagation, learning .. Table 6.4: Mud level at different underflow concentrations. 85 .. range from acidic to basic, but all are transported to their final resting place as slurry.

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final underflow solids red mud thickener feed solids

New developments in red mud flocculation and control of solid/liquid .

chemistry, resulting in improved thickener and washer operations. . values from the settler underflow stream is very common practice across the industry. Within . Within any settling vessel, the dispersed red mud solids settle poorly so flocculants are used. . last washer) are best treated with lower charged polymers [2, 3].

ETI ALUMINIUM RED MUD CHARACTERISTICS AND .

Jul 10, 2015 . Keywords: Red Mud Characterisation, Red Mud Dewatering, Red Mud . efficiency in solid liquid separation that can determine plant flow8, liquor .. The paste thickening approach for ETI Aluminium red mud will result in a relatively . were conducted using last washer stage underflow with a feed slurry.

Red Mud Pressure Filtration - Paste 2013

The high density thickeners are used as washers when specifically arranged to control the . in the final underflow. . The red mud is thixotropic and filter cake discharged from the .. to the liquor viscosity) and the feed solids concentration.

New developments in red mud flocculation and control of solid/liquid .

chemistry, resulting in improved thickener and washer operations. . values from the settler underflow stream is very common practice across the industry. Within . Within any settling vessel, the dispersed red mud solids settle poorly so flocculants are used. . last washer) are best treated with lower charged polymers [2, 3].

Does thickening save water? - SAIMM

the last 15 years, such as paste and thickened tailings. (P&TT) have . Process water holding tank and feed pump. • Flocculant . of the thickener (i.e. operating underflow solids .. T. Experience with thickened red mud tailings (Paste) stacking.

Thickening/mud stacking technology—an environmental approach .

that attention must be focused on feed material compatibility, operation . these polymers over the conventional natural flocculants in the separation of red mud. .. Low underflow solids concentration Gelatinous consistency of the ... solids concentration but not so much the final yield stress of the thickened mud as shown by.

ETI ALUMINIUM RED MUD CHARACTERISTICS AND .

Jul 10, 2015 . Keywords: Red Mud Characterisation, Red Mud Dewatering, Red Mud . efficiency in solid liquid separation that can determine plant flow8, liquor .. The paste thickening approach for ETI Aluminium red mud will result in a relatively . were conducted using last washer stage underflow with a feed slurry.

Application of the FL Deep Cone Technology . - Science Direct

with particular strengths in solid-liquid separation, FL were able to adapt the . OCP's JFC V in Jorf Lasfar where Deep Cone Thickeners are used to thicken the feed to the . Maximizing thickener underflow density has advantages in many of the .. Fig 3 : DCT Thickeners in CCD Alumina Red Mud Washing Circuits.

CFD modelling of thickeners at Worsley Alumina Pty Ltd

The thickened underflow from the settlers is subsequently washed through a . One new high capacity thickener has been installed as a final (5th) washer . Furthermore, the transport of suspended solids from the feed inlet to various .. out in a combined effort between the research team and Worsley on a red mud settler.

Patent US5607598 - Treatment and disposal of red mud generated .

Mar 4, 1997 . A final centrate liquor is obtained in a first upstream centrifuge stage . The method of claim 1 wherein the red mud cake has a solids of . red mud in a thickener to produce a thickened red mud underflow for treating in the first centrifuge. .. sent to the thickener and thence to the filter feed tank for recovery of.

Thickening Resource Book

Underflow may be called 'pulp', 'sludge', 'slurry', 'mud', etc. The . As a feed stream enters the thickener, the solids settle to the bottom. Clarified liquor overflows.

High Rate Thickeners - Engineering Aspects in Solid Liquid .

The High-Rate thickeners became popular in the mid 1980's and are relatively . center of the plant so to allow gravity feed and thus save pumping costs their distance . That the density of the underflow will be as high as possible to reduce the load on . Slimes from phosphate washing; Counter-current washing of red-mud.

final underflow solids red mud thickener feed solids,

settling characteristics of qal red mud - CiteSeerX

liquor prior to precipitation or impurities will be present in the final product. The removal is . Hence, the settling characteristics of the red mud slurry could not be ... thickening of the solids bed forces the fluid flow upward, opposing the direction of the . solids feed flux and underflow removal of slurry via a peristaltic pump.

tailings management - InfoMine

Mar 3, 2007 . stress underflow from the Eimco Deep. Cone Thickeners . made in the last 15-20 years in developing thickeners capable of producing higher density . first paste thickener for red mud disposal having a . will require feed dilution to optimize flocculation . a relatively permeable bed of flocculated solids at.

Residue Thickener Modelling at Worsley Alumina - CFD

Residue Thickener Modelling at Worsley Alumina . disposal after final washing on mud filters. . red mud and precipitates from the caustic liquor after . feed pipe, the feed percent solids and the .. be included to move solids to the underflow.

final underflow solids red mud thickener feed solids,

solid-liquid separation - PAControl

classification of mechanical processes of solid-liquid separation. . Final selection of filtering equipment is inadvisable without . Properties of the feed: amounts, size distribution, densities and .. Feed Underflow . Red-mud final thickener.

Appendix 5 - JG Afrika

Jul 1, 2015 . proposed thickener, tailings storage facility (TSF), return water dam (RWD), ... Figure 4-2: Photo of the Boger Slump Test at 54.2%m Solids Concentration . . Figure 4-3: Thickener Underflow Un-drained Settled Density (48h) . ... (1) The Mamatwan thickener feed material was found to be naturally.

Alumina: Filtration in the alumina production process - Filtration + .

Jun 18, 2010 . Production of alumina has approximately doubled in the last 20 years to more than 80 million tonnes. . separating valuable solids from valuable liquids (seed filtration). . clarifier and washing and filtration for the underflow (the red mud). . The capacity of a trough-feed rotary vacuum filter is a bit less than.

Bayers process reactions - SlideShare

Mar 15, 2015 . Red Mud Settling The solid waste from the digestion process known as bauxite .. with the result that the silica concentration of the final liquor becomes high. . dilution liquor to reduce the silica concentration in the feed to settler. .. size, maximum settling rate and maximum underflow solids concentration.

Bauxite Refining Subcategory Of The Aluminum Segment Of The .

The major process waste from bauxite refining is the red mud residue . the form of a red mud lake, of the major solid waste from the bauxite refining processes, ... After filtration or thickening to separate the pregnant sodium aluminate liquor from . plant uses (i.e., boiler-feed water, product washing, and final washing of 21.

Shane Usher | LinkedIn

Current areas of research involve solid-liquid separation processes in a wide . compressive yield stress is used to predict the final equilibrium bed height. . The model output is either solids throughput or solids flux as a function of underflow solids . (red mud) that must be washed and dewatered in trains of thickeners and.

TRENDS IN RED MUD UTILIZATION – A REVIEW: Mineral .

Aug 31, 2006 . Red mud is the major waste material produced during alumina .. About 35% by weight of solids contain less than 5 µm and about 80% less .. in the scene as the final mud dewatering device prior to disposal. . Alcan developed the deep thickener (Nunn 1998 Nunn , R.F. , 1998 , “Advances in red mud.

application of passive sonar technology to minerals processing flow .

solids content slurries, pastes, and liquids and slurries with entrained air. Unique and .. final concentrate lines, red mud and green liquor bauxite lines, pregnant.

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