formation of bauxite slurry

Formation Of Bauxite Slurry

Calculating Physical Properties Of Slurries

Calculating Physical Properties Of Slurries 15 March 2024 Posted by ankur2061 in Technical Today s blog entry addresses how to calculate the physical properties of slurries Before we go into the details let us understand the basic concept of a slurry

NPSHA and NPSHR for Pumps of Alumina Refinery

We all are well aware that Alumina production is a hydro metallurgical process having over 350 pumps installed for various duty conditions Majority of the pumps in Alumina refinery are centrifugal pumps for pumping aluminate liquor and slurry with solids like bauxite hydrate and bauxite residue

Treatment of alumina refinery waste red mud through

This consists of the construction of clay lined dams into which bauxite residue slurry is simply pumped and allowed to dry naturally Hind et al 1999 The formation of agglomerates improves the physical characteristics of red mud reducing its viscosity which helps in better settling and filterability of bauxite residue noticeably

Current Status of an Industrial Waste Red Mud an

Red mud is disposed as dry or semi dry entrained liquor of red mud slurry which gets incorporated material in red mud pond or abandoned bauxite mines and during digestion process and remains with red mud in spite as slurry having a high solid concentration of 30 60% with a of repeated washings Japan fine mud and the formation of colloidal

Elements of Hydraulic Fracturing

the formation that connect the reservoir and wellbore slurry and proppant injection so that when the fracture reaches its designed length height and width the ﬁrst particle of proppant reaches Proppant Several proppant types including high strength bauxite left resin coated silica middle and lightweight ceramic right are

Mining and Refining Bauxite Residue Management

The residue is thickened to a high density slurry 48 55% solids or higher deposited and allowed to consolidate and dry before successive layers are deposited This forms a slope on the deposit allowing rainwater to run off and minimising liquid stored in the disposal area; lowering risk of leakage and improving structural integrity

New draft test procedure and individual schedules for

New draft test procedure and individual schedules for Groups A and C bauxite the voyage can lead to the formation of a liquid slurry water and fine solids above layers of more solid bauxite

Reduction of Reactive Silica from Bauxite Francisco

Some bauxites have high chemical contents of reactive silica and other impurities being considered marginal bauxites Nowadays these bauxites are not used for the production of alumina by the Bayer process such as the marginal bauxites from

Geho Heatbarrier design for energy savings in

bauxite Only this part of the slurry stream will be fed into the second high temperature digester where it will be heated up further to about 240°C The energy will be saved by avoiding heating up thrihydrate Gibbsite bauxite to this high temperature The pumps

STUDY ON ORE DRESSING AND

STUDY ON ORE DRESSING AND CHARACTERIZATION OF DIFFERENT GRANULOMETRIC FRACTIONS THAT COMPOUND BAUXITE FROM PARÁ/BRAZIL The slurry in water was prepared using a consumption of NaOH and the formation of dessilication product DSP by the Bayer Process Equations 2 and 3 respectively a

The Effect of Temperature on Cement Slurry Using

the formation pressure is lower than the hydrostatic pressure It can also occur when the fluid comes in contact manufactured by heating bauxite and limestone until liquefied then cooling and grinding Cement slurry is a mixture of cement powder with water either fresh or salt water that is used to seal the

Experimental Simulation of Long Term Weathering

Experimental Simulation of Long Term Weathering in Alkaline Bauxite Residue Tailings Bauxite residue is an alkaline saline sodic byproduct of the Bayer process for alumina refining 170 336 and 909 h Slurry samples were taken from each vessel after cooling <2 h Metals 2024 5 1245 Table 1

Desulfurization kinetics and mineral phase

Read Desulfurization kinetics and mineral phase evolution of bauxite water slurry BWS electrolysis International Journal of Mineral Processing on DeepDyve the largest online rental service for scholarly research with thousands of academic publications available at your fingertips

Alumina Plant Ore Slurry Transportation

Transportation of Bauxite Ore Slurry at 95°C / 203°F at Urals Alumina Plant Rusal They required to renovate their carbon steel pipes

Review paper on bauxite residue characteristics

REVIEW PAPER ON BAUXITE RESIDUE CHARACTERISTICS DISPOSAL &UTILIZATION Snehal Sutar the formation of particulate matter dust Alkaline dust causes burning respiratory tracts injuries This consists of the construction of clay lined dams into which bauxite residue slurry is simply pumped and allowed to dry

THICK SLURRY HEATING SYSTEM W0 2024/119154 A1

The resulting bauxite slurry referred to as thick bauxite slurry must be heated prior to further dilution with hot spent liquor after which it is conveyed to the digestion plants Various methods of heating thick bauxite slurry have at times been utilised but all suffer from certain disadvantages There are two basic modes of heating that

Tailings info What are tailings Their nature and

Hard pan behaviour e g crust formation on top of the tailings The engineering characteristics of tailings are in most instances influenced by the degree of thickening and the method of deposition

Chemical Mechanical Planarization CMP Slurries

Chemical mechanical planarization CMP slurries are liquid dispersions containing active chemicals and microabrasive grains used for chemical mechanical planarization CMP is a surface polishing and material removal process involving both chemical attack and abrasive removal

Microstructure and properties of sintered mullite

solid solution formation mullite formation from bauxite can reduce the effect of these impurities on the vitreous phase formation The objective of the present study is to explore the utiliza tion of Indian bauxite with considerable amount of impuri slurry thus obtained was dried at 40

Study on the Bauxite Slimes Engineering Characteristics

Study on the Bauxite Slimes Engineering Characteristics of Pingguo Alumina Industry Company p 441 Study on the Effect of Humic Acid Acetamide on the Rheological Properties of Gas to Liquid Based Drilling Fluids

Chemical Mechanical Planarization CMP Slurries

The first step to CMP slurry selection is knowing which materials or products the chemicals are designed to finish CMP slurries are used to finish and planarize Chemical mechanical planarization CMP slurries can be bought in a number of different forms Fused aluminum oxide is produced synthetically by melting bauxite

Recovery of Rare Earths and Other Valuable Metals From

The waste slurry is called red mud while the solid fraction is called bauxite residue Although red mud and bauxite residue are often used as synonyms there is in fact a difference between these terms

Proppant Prospects for Bauxite Minerals

formation & drilling environment To deliver desired level of economic conductivity At economic • manufacturing process wet/dry slurry pelletising sintering • availability of raw materials Proppant Prospects for Bauxite Mike O Driscoll

Mineral Slurry Preservation in the most remote regions

Mineral Slurry Preservation in the most remote regions Search Jobs slime formation and interior erosion is difficult at best But the mission is not impossible With the 5 th largest bauxite reserve in the world and a vast array of minerals from Kaolin copper and iron ore to gold and diamonds s mining industry has grown over

The method of producing alumina and gallium from bauxite

The closest known methods adopted for the prototype is a method of obtaining alumina and gallium from bauxite including leaching back of alkaline solutions the concentration of red mud the decomposition of the aluminate solution in the presence of the seed aluminum hydroxide to obtain aluminum hydroxide and the mother liquor

Bauxite Comparison [PDF Document]

For bauxite slurry the ideal grading has a top size of 250 μm with about 50% less than 45 μm A percentage of ultra fine particles is desirable to improve slurry characteristics Laterite and bauxite formation bauxite crushing plant in gujarat Bauxite and the aluminum industry Australian Bauxite CEO Ian Levy small bauxite ore

Essential Readings in Light Metals Alumina and Bauxite

Cross Country Bauxite Slurry Transportation pages 70 74 Ramesh L Gandhi Jay Norwood and Yueguang Che Proposed Mechanism for the Formation of Dust Horizons on Bauxite Residue Disposal Area pages 951 956 Craig Klauber Nicole Harwood Renee Hockridge and Campbell Middleton W C Sleppy A Pearson

BIOCORROSION ANALYSIS OF WATER BAUXITE

from EB1 1 1 x 10 7 MPN/mL and in bauxite slurry from EDB 1 1 x 10 8 MPN/mL were detected Table 3 It is for the formation of iron oxides deposition The iron oxides deposition fouling when present in the pipeline reduces the fluid flow which may reflect directly on production

Mine Slurry Transport Mining

Hatch stated the slurry pipeline is the only means of transporting bauxite from the Paragominas mine to Alunorte the world s largest alumina refinery Norsk Hydro requested the assessment to confirm the integrity of the bauxite slurry pipeline and its potential performance over the next 25 years before agreeing to a $4 9 billion

Removal of Potassium and Iron in Low Grade

Bauxite is an important raw material for the alumina industry from which more than 90% These impurities prevent the formation of the mullite and corundum phase [13 14] It has been found that these impurities form an amorphous phase in the microstructure After the desired reaction time the leaching slurry was Minerals = m 4

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