nut red mud thickener

  • redau

    red mud due to the colour of the original bauxite ore and the iron oxide it contains The red mud is separated during the refining process when caustic soda and alumina solution passes into thickener tanks in the Clarification section Here solid impurities sink to the bottom as a fine red mud The red mud is mixed with sea water to

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  • Effects of Operating Variables of Red Mud Deep Thickening

    Effects of Operating Variables of Red Mud Deep Thickening Author Jacqueline M Cameron Created Date 20070303154838Z

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  • Canadian Experience in the Application of Paste and

    Red mud slurry is passed through internally located thickeners in series to recover liquid in the form of hot solution containing alumina and sodium hydroxide for reuse in the extraction process An in house Alcan research team developed the elevated 12 m diameter 18 m high deep bed thickeners for mud

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  • Numerical simulation of flow regions in red mud separation

    Trans Nonferrous Met Soc China 24(2014) 1117âˆ1124 Numerical simulation of flow regions in red mud separation thickenerâs feedwell by analysis of residence time distribution Tian ZHOU 1 2 Mao LI 1 2 Qiu long LI 1 2 Bo LEI 1 2 Qian zhou CHENN 1 2 3 Jie min ZHOU 1 2 1

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  • high pressure filtration mud filter press

    Red Mud Filtration Test Results using AFP IV Automatic Abstract The results of pressure filtration testing demonstrates that a standard design FL AFP IV filter press can dewater red mud from initial feed concentrations of between 3044 wt% and produce final cakes containing 67 70 wt% solids Get Price mud filter press model sinosteelplaza

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  • Thickening in French English French Dictionary Glosbe

    en With the use of ultrafiltration instead of the traditional static thickener it is possible to maintain a very high concentration of biomass in the biological system (up to 40 45 g/lt) with a very clear effluent protected from every bulking effect (mud floating)

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  • final underflow solids red mud thickener feed solids

    red mud thickener icas2017conference red mud thickener tender Example sentences with quotmud thickenerquot translation memory add example en From a drying filter (6) the lime mud thickened to a dry solids content of over 75 % preferably to 80 % is introduced into a feed chamber (2) through which an adjustable portion of the flue gas is

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  • Numerical simulation of flow regions in red mud separation

    Numerical simulation of flow regions in red mud separation thickeners feedwell by analysis of residence time distribution Tian ZHOU 1 2 Mao LI 1 2 Qiu long LI Bo LEI Qian zhou CHENN1 2 3 Jie min ZHOU1 2 1 School of Energy Science and Engineering Central South University Changsha 410083 China; 2 Hunan Key Laboratory of Energy

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  • red

    Red mud thickeners operate in extreme scaling conditions Scale growth on the mechanism and tank results in high axial and torque loads on the rake drive requiring an operational duty cycle specifi c to red mud thickeners Outotec drives and mechanisms Get Price

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  • final underflow solids red mud thickener feed solids

    10 Red Mud (Flat Base) Solids Flux (tonnes hour 1 m 2) Red Mud (30 degrees) 1 Red Mud (45 degrees) 01 001 0001 0 005 01 015 02 025 03 Underflow Solids Concentration I (v/v) Figure 4 Industrial thickener performance and model prediction of the solids flux versus observed underflow solids volume fraction Chat Online

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  • How to Operate a Thickener Mineral Processing Metallurgy

    Metallurgical ContentThickening In CyanidationSlime LayersThickener SegregationFollow OrdersA Few Other PointsIsland FormationHow to Operate a Grinding CircuitHow to Operate a Flotation CircuitThickener Operating Instructions Running a thickener properly isnt as easy as it looks True enough a thickener doesnt make a racket like a ball mill or spew out froth like a flotation machine

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  • Understanding the Thickening Process

    Understanding the Thickening Process BJ Gladman et The solid liquid separation process in an alumina red mud flat bottom thickener with the diameter of 40 m was simulated using the

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  • red

    Red mud thickeners operate in extreme scaling conditions Scale growth on the mechanism and tank results in high axial and torque loads on the rake drive requiring an operational duty cycle specifi c to red mud thickeners Outotec drives and mechanisms Get Price

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  • Numerical simulation and optimization of red mud

    Abstract In order to acquire the flow pattern and investigate the settling behavior of the red mud in the separation thickener computational fluid dynamics (CFD) custom subroutines and agglomerates settling theory were employed to simulate the three dimensional flow field in an industrial scale thickener with the introduction of a self dilute feed system

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  • DYNAMIC SIMULATION OF RED MUD WASHERS USED IN

    of the bauxite ore with caustic soda This product is called red mud and it has to be continuously removed by settlers or thickeners/clarifiers This project proposes the simulation of a continuous thickener/clarifier in order to predict the concentration profile and the height of the mud

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  • Measurement of mud level interfaces A tool for

    @article{osti 371944 title = {Measurement of mud level interfaces A tool for optimization of red mud washing at CVG Bauxilum} author = {Pineda A and Adrian G} abstractNote = {For the expansion to 20 MTPY of the CVG Bauxilum alumina plant the area of clarification and red mud washing was rearranged from four 2 thickener 5 washer trains to two 1 thickener 7 washer trains

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  • SETTLING CHARACTERISTICS OF QAL RED MUD

    Red mud is a waste product of Bayer process The composition of the red mud is mostly oxides of iron titanium soda alumina silicate compounds unreacted quartz and other insolubles in the bauxite It must be removed from the pregnant caustic liquor prior to precipitation or impurities will be present in the final product The

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  • Understanding the Thickening Process ResearchGate

    Understanding the Thickening Process BJ Gladman S Figure 3 Red mud thickener performance and model prediction of the solids flux versus observed underflow solids volume fraction The

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  • Grecian red mudthickening and filtration parameters and

    The behaviour of red mud in thickening and filtration tests has been studied for the purposes of calculating relevant parameters and of examining the possibility of designing a suitable process for the thickening and filtration of this industrial by product

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  • How to Use Nuts As Thickening Agents 5 Steps (with Pictures)

    2013 12 19· How to Use Nuts As Thickening Agents It is possible to use some nuts as a way to thicken a sloppy sauce stew or gravy Provided you and your diners are able to consume nuts this can be a delicious way to thicken up such dishes without

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  • The High Rate Thickener Solid Liquid Separation

    The High Rate thickeners became popular in the mid 1980's and are relatively newcomers to the sedimentation line of equipment As already discussed previously Thickeners are a major component in a plant layout and occupy large spaces which may be saved by introducing high rate machines Furthermore they are normally positioned far away from

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  • © Copyright 2006 Australian Centre for Geomechanics (ACG

    An example of the comparison of the prediction of the thickener model against an operational scenario for red mud thickening in the alumina industry is shown in Figure 3 The modelling data is for two bed heights namely 2 and 5 meters The input data for the model was measured on site using samples taken from the

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  • US5043077A Treatment of bayer process red mud slurries

    A method of treating Bayer process red mud slurries to improve or facilitate the handling thereof comprising adding to such a slurry a minor porportion of humic acids or humates effective to reduce the viscosity of the slurry

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  • Generalized mathematical model of red muds thickener of

    Abstract The article describes the principle of a generalized mathematical model of the red muds thickener construction The model of the red muds thickener of alumina production consists of sub models of flocculation zones containing solid fraction feed slurry free fall and cramped sedimentation zones or effective sedimentation zones bleaching zones

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  • RETROFIT DRIVE UNITS

    DBS retrofit drive units are an economical solution to renovating an old clarifier or thickener In fact the total cost of replacing an old drive unit with a new DBS drive may be less than the cost of rebuilding the old drive With a new DBS drive you get the best warranty in the industry lower maintenance costs

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  • DYNAMIC SIMULATION OF RED MUD WASHERS USED IN

    of the bauxite ore with caustic soda This product is called red mud and it has to be continuously removed by settlers or thickeners/clarifiers This project proposes the simulation of a continuous thickener/clarifier in order to predict the concentration profile and the height of the mud level (process controlled

    Live Chat
  • Understanding the Thickening Process

    An example of the comparison of the prediction of the thickener model against an operational scenario for red mud thickening in the alumina industry is shown in Figure 3 The modelling data is for two bed heights namely 2 and 5 meters The input data for the model was measured on site using samples taken from the

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  • Control of the thickener operation in alumina production

    This ensuresstabilization of the thickeners operation improvement of the red mud washing efficiency in the washing operation and smoother security filtration The development of the control algorithm is outlined The evaluation of the closed loop performance of the controlled plant has been carried out using both computer simulation and

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  • gold

    Gold Carbon In Leach Plant Mine Engineer This plant processes 4 million tons of ore per year with an average gold much more control over the process that a conventional CIL plant without a thickener

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  • Phosphorus Removal Ohio Water Environment Association

    Red mud bauxite process waste Commercially used for Hg and Arsenic removal as Bauxsol Proprietary Metal Impregnated Filter Paper or I X Resin Proprietary electrostatic technology for metal bonding Improved lower cost innovation of Rem Nut IX European technology Gypsum Limestone Calcium Hydroxide Calcium Carbonate

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  • Characterization and applications of red mud from bauxite

    Red mud properties Repeatedly rinsed red mud suspension of a density between 12 and 13 g/cm3 and dry matter concentration from 250 to 350 g/l is disposed as a waste The liquid phase of the suspension contains about 7 g/l of Na2O a serious pollutant which

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  • Numerical simulation and optimization of red mud

    Abstract In order to acquire the flow pattern and investigate the settling behavior of the red mud in the separation thickener computational fluid dynamics (CFD) custom subroutines and agglomerates settling theory were employed to simulate the three dimensional flow field in an industrial scale thickener with the introduction of a self dilute feed system

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  • Advanced Solutions for Alumina Refineries

    In combination with red mud drum filters for mud disposal at highest solids concentration and minimum soda losses Advanced mud level and thickener control systems available New Generation of drive headsA Type State of the art design for bridge type thickeners Multiple efficiency planetary gears replacing traditional

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  • Bauxite Red Mud Disposal Thickening Filtering CCD

    The Orbite process does not generate red mud residue More importantly the Orbite process can be used to treat existing red mud extracting the residual alumina and other valuable metals in it while completely eliminating the toxic elements This technology presents an attractive opportunity for companies operating alumina extraction plants

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  • TitanTraction Thickeners WesTech Engineering Inc

    The thickener tank is an on the ground construction Feed system designed to manage the high energy of the large flow to properly flocculate and effectively transition the horizontal momentum to proper settling in the tank The underflow pumps are located directly under the thickener in a pump room serviced by a subterranean tunnel

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  • METHOD AND DEVICE FOR WASTE HEAT RECOVERY AND SAND REMOVAL

    1975 03 04· METHOD AND DEVICE FOR WASTE HEAT RECOVERY AND SAND REMOVAL IN THE BAYER PROCESS United States Patent 3869537 Abstract In the manufacture of alumina by the Bayer process a method comprising the steps of bringing the overflow from a multistage red mud thickener into counterflow contact with the steam generated in consequence of the flashing of bauxite

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