decanter for separation of bauxite

Decanter Centrifuge, oilfield decanting centrifuge ...

2019-1-7 · GN decanter centrifuges are popular to be used in the chemical and pharmaceutical industry. In chemical production, the mechanical separation is a very important process. Function of GN centrifuge in chemical industry. •Solids and liquid separation of chemical fluids. •Clarify the liquid for different gravity.

Pressure decanter

An improved pressure decanter in accordance with the invention was used for a two-month period. The feed slurry of red mud was obtained by extracting Australian bauxite in 180 g/l caustic, expressed as Na 2 CO 3, at 130°-150° C. The resulting …


Abstract not available for EP0618882 Abstract of corresponding document: WO9313017 In the Bayer process for producing alumina from bauxite, the efficiency of the red mud separation procedure can be substantially improved if the flocculant (45) normally used is diluted with a clear process liquor (43c) obtained from a prior, the same or a subsequent settling or washing step …


Diasporic bauxite represents one of the major aluminum resources. Its upgrading for further processing involves a separation of diaspore (the valuable mineral) from aluminosilicates (the gangue minerals) such as kaolinite, illite, and pyrophyllite. Flotation is one of the most effective ways to realize the upgrading.

Alumina Slurry treatment decanter centrifuge made by GN ...

2019-1-20 · Alumina is a stable oxide of aluminum and its chemical formula is Al2O3. Bauxite is also called bauxite in mining, ceramics and material science. GN Decanter centrifuge are widely used for alumina slurry dewatering for production of alumina. GN-CD series chemical decanter centrifuge are designed for the chemical treatment.

Alumina: Filtration in the alumina production process ...

2010-6-18 · The production of alumina from bauxite is a hugely significant industry in its own right but it is also one of the most significant global users of filtration and separation technology. A typical alumina plant may use approximately …

The Flottwg Z Series Decanter Centrifuge | Euroby Ltd

The Flottwg Z Series Decanter Centrifuge The Flottweg Z Series was developed specifically for robust industrial applications and is used worldwide in the following applications. These are typical examples taken from in excess of 300 applications for which the Z Series is suitable .

Cbg Bauxite Mining Operations Guinea

INFORMATION SUMMARY FOR THE PUBLIC - OPIC. CBG Bauxite (Aluminium Ore) Mining Operations, Guinea The largest single producer of bauxite (aluminium ore) in the world, Cie des Bauxites de Guinée''s (CBG) operations are located in the west of Guinea, close to the border with Guinea-Bissau.

Chemistry & Pharma Industry

2021-8-30 · Decanter centrifuge: GN 2 phase and 3 phase decanter centrifuges have been widely used in the chemical and pharma industry. The decanter centrifuge can be utilized for clarifying of liquids, separation of two liquids with different densities, classification of solid mixtures, and dewatering of liquid-solid mixtures.

GEA decanters improve management of tailings

2018-11-23 · GEA decanter technology is well established for dewatering a wide range of sludge materials. In recent years decanter capacity has improved now making it effective for use in mining operations. For example, GEA machines …


bauxite samples have been supplied by Kaiser and were coming from the Kaiser bauxite reserves located on the north coast of Jamaica. The bauxite analysis as well as the liquor analysis used for this pilot evaluation are presented in Table 1 and Table 2 below. Figure 2 — Pressure decanter experimental set-up Figure 3 — Pilot Pressure Decanter


2020-12-22 · this separation nearly istantaneous. This force is then used to separte solids from liquids with an efficient method and high precision, in a way that is easy to control. Depending on the particular configuration, a centri-fugal decanter can be used to separate a wide range of solids other than one or two liquids, in a process

Chemical and Pharmaceutical Decanter Centrifuge

2021-9-9 · GN decanter centrifuges are popular to be used in the chemical and pharmaceutical industry. In chemical production, the mechanical separation is a very important process. Function of GN centrifuge in chemical industry. Solids and liquid separation of chemical fluids; Clarify the liquid for different gravity; Solids mixture classification

Centrifugal decanters DDE series

2017-10-1 · this separation nearly istantaneous. 02 This force is then used to separte solids from liquids with an efficient method and high precision, in a way that is easy'' to control. Depending on the particular configuration, a centri- fugal decanter can be used to separate a wide range of solids other than one or two liquids, in a process

Industrial Centrifuges

Industrial Centrifuges. Multotec industrial centrifuges and decanters, used in many dewatering and classifying applications in the global mineral processing industry, achieve accurate solid/liquid separation for a range of industries. Sourced from Siebtechnik Tema, they are an economical and efficient solution for dewatering large quantities of ...

Decanter Centrifuges

2018-1-12 · separation processes are found in practically all industrial sectors, including but not limited to food, chemical, pharmaceutical,biotech, mineral, and environmental processing. To obtain optimum results, solid bowl of decanter centrifuge require special design to suit specific separation process.


2015-9-23 · Bauxite Alumina Copper Mines Copper Smelter Extrusion Wheels ~33,000 employees across the world 12 Countries, 51 locations 9 ... High Rate Decanter(HRD) for Mud Separation Deep Cone Washer(DCW) for Mud Washing High Density Mud Disposal Advanced Precipitation Technology


2017-6-26 · Decanter Solid/liquid separation Technologies used today. New for mining and mineral industry Deep pond technology • Allows to handle exceptional amounts of solids ... bauxite slurry caustic soda • Red mud, named after its color, is the main by-product of making alumina by the Bayer process

Bauxite processing plants, CDE Global

Bauxite. Efficiently remove silica and clay from bauxite ore to improve final product quality. Through the introduction of a customised hydrocyclone configuration and our AquaCycle thickener technology we will: Our equipment is introduced at the clarification and classification stage of bauxite processing. Each hydrocyclone configuration is ...

separation bauxite decanter

Bauxite processing plants, CDE Global. CDE mining equipment is introduced at the clarifiion and classifiion stage of bauxite processing. Our AquaCycle thickener technology can then be introduced at the classifiion stage to assist with the separation of the bauxite residue from the pregnant liquor. Following this a Decanter Centrifuge.


a conventional decanter for solid liquid separation after LTD. Operation of a conventional decanter at atmospheric pressure necessitates cooling of LT digestion discharge slurry by flashing to atmospheric conditions prior to solid/liquid separation step. AQW2008_Proceedings_FINAL-1-120.44 44 4/08/2008 2:55:05 AM


2014-3-7 · 3-phase separation The Flottweg Tricanter® performs a three-phase separation, i.e. the simultaneous separation of two immiscible liquids with different densi-ties and one solid phase, provided that the solid phase is the heaviest phase. The main difference from a decanter is the separate discharge of the two liquid phases.

Decanter Centrifuge | Decanter Centrifuge Manufacturer ...

A decanter centrifuge, or solid bowl centrifuge, uses high rotational speed generating centrifugal force to separate materials of different densities. This equipment is used in solid/liquid and liquid/liquid (liquid phase) separation applications in minerals processing, chemical, oil, food processing and wastewater treatment industries.

Properties of decanter centrifuges in the mining industry

Continuously operating decanter centrifuges are often applied for solid-liquid separation in the chemical and mining industries. Simulation tools can assist in the configuration and optimisation ...

The processing of high silica bauxites — Review of ...

2009-8-1 · The Bayer process is the principal method for the production of alumina from bauxite worldwide. The modern version of the process (developed in the 1880''s) still maintains the key steps of dissolution of alumina-rich minerals into hot caustic solution, separation of the insoluble phases, followed by gibbsite precipitation and calcination of the gibbsite to alumina (Al 2 O 3).


2019-2-5 · III SEPARATION DES ELEMENTS ALUMINIUM ET FER PRESENTS DANS LA BAUXITE Nous admettrons pour simplifier que la bauxite contient les espèces Al(OH) 3 et Fe(OH) 3. À partir des résultats des tests préliminaires réalisés ci-dessus, on propose le protocole opératoire suivant permettant la séparation de ces deux éléments.

The Sandy Desilication Product Process Concept

2019-6-24 · separation of reactive silica from these bauxite ores ... bauxite ore is first reduced through grinding, then it is sent to slurry transfer tanks, which are typically maintained at about 70 C. Pre-desilication is ... decanter or in the filtrate of a hyperbaric filter are