methods for utilization of red mud and its management
Red mudWikipedia
Red mud formally termed bauxite residue is an industrial waste generated during the processing of bauxite into alumina using the Bayer process is composed of various oxide compounds including the iron oxides which give its red colour. Over 95 of the alumina produced globally is through the Bayer process for every tonne of alumina produced approximately 1 to 1.5 tonnes of red mud are
Get PriceEnvironmental assessment management and utilization of
In global alumina production red mud presents a common problem due to its alkalinity which can contaminate the environment. China is the largest producer both of alumina and red mud in the world. A nationwide investigation was carried out to evaluate the status of residue generation disposal of and utilization of red mud. Analysis of this study revealed that the characteristics of red mud
Get PriceRed mudWikipedia
Red mud formally termed bauxite residue is an industrial waste generated during the processing of bauxite into alumina using the Bayer process is composed of various oxide compounds including the iron oxides which give its red colour. Over 95 of the alumina produced globally is through the Bayer process for every tonne of alumina produced approximately 1 to 1.5 tonnes of red mud are
Get PriceUtilization of Red Mud and Rice Husk Ash for Synthesizing
Red mud (RM) is the waste generated during aluminum production from bauxite ore. It depends on the quality of bauxite mine which could affect the output of aluminum production. To produce 1 tonne of metallic aluminum this Bayer process generates from 0.62.5 tonnes of red mud 2-4 10-11 . Globally it
Get PriceComprehensive Utilization of Red Mud Current Research
Mar 11 2018 · On this basis the review recommends the Calcification-Carbonization Method a promising technology for non-hazardous treatment to recover the alkali and alumina and meanwhile transform the red mud into a non-hazardous material available for subsequent use.
Get PriceNeutralization and use of Red Mud Residue for Industrial
Dec 26 2015 · Neutralization of red mud will help to reduce the environmental impact caused due to its storage and also lessen significantly the ongoing management of the deposits after closure.
Get PriceRed Mud A Wealth of Opportunity for Metal Recovery
Red mud has long presented challenges to the aluminum industry its caustic nature and the mass volumes in which it is produced make safe and economic management of the waste a constant challenge. Current methods of disposal are far from ideal taking up huge amounts of land incurring significant disposal costs and presenting long-term
Get PriceSustainability in Industry Employing Red Mud in
Historically the method of managing red mud has been to store it in containment ponds but this approach is far from perfect the waste is responsible for devastating a
Get PriceNeutralization and use of Red Mud Residue for Industrial
Dec 26 2015 · Neutralization of red mud will help to reduce the environmental impact caused due to its storage and also lessen significantly the ongoing management of the deposits after closure.
Get PriceThe advancement and developing of red mud utilization in
Main utilization directions 2 Red mud utilization in China No. Red mud Direction Volume Note 1 sintering /combined process Building and construction materials kt/a Use red mud directly 2 High iron red mud from gibbsite and diaspore Building materials (bricks) kt/a use the sand separated from red mud Cement kt/a
Get PriceCNAMethod of treating high-iron red mud by
The invention discloses a method of treating high-iron red mud by alkaline process for deep dealkalization and iron enrichment. The method comprises the following steps mixing the high-iron red mud with a strong alkali solution of which the concentration is g/L to perform dissolution treatment under the conditions that the volume and mass ratio of the alkali solution to the high-iron
Get PriceThe advancement and developing of red mud utilization in
Main utilization directions 2 Red mud utilization in China No. Red mud Direction Volume Note 1 sintering /combined process Building and construction materials kt/a Use red mud directly 2 High iron red mud from gibbsite and diaspore Building materials (bricks) kt/a use the sand separated from red mud Cement kt/a
Get PriceUtilization of red mud and bagasse for production of gas
In which red mud is solid waste of Bayer process from bauxite mining which is being the hard problem to have solutions for its management and utilization and bagasse is industrial waste of sugar factories. Both red mud and bagasse were dried ground and sieved and then mixed with bentonite and water for forming by wet pressing method.
Get PriceMaking The Most Of Red MudC EN
Known formally as bauxite residue red mud is the noxious by-product of the Bayer process for extracting aluminum from bauxite ore. Aluminum mining leaves behind a staggering 120 million metric
Get PriceA Review on Comprehensive Utilization of Red Mud and
Red mud (RM) is a by-product of extracting of alumina from bauxite. Red mud contains high quantities of alkali-generating minerals and metal ions which can cause significant environmental damage. Many valuable components such as rare-earth elements Al
Get PriceMethods for Utilization of Red Mud and Its Management
Jan 01 2016 · International Status of Red Mud Management Because of the highly caustic nature of RM there are reasonable problems associated with its disposal methods. The major method of disposal currently in use worldwide of huge amounts of RM includes seawater discharge lagooning dry stacking and dry disposal.
Get PriceHidden values in bauxite residue (red mud) recovery of metals
However in this review several new techniques are introduced that consider the process of iron recovery from red mud. An integrated process which can achieve multiple additional values from red mud is much preferred over the single process methods. The information provided here should help to improve the future management and utilization of
Get PriceRed mudWikipedia
Red mud formally termed bauxite residue is an industrial waste generated during the processing of bauxite into alumina using the Bayer process is composed of various oxide compounds including the iron oxides which give its red colour. Over 95 of the alumina produced globally is through the Bayer process for every tonne of alumina produced approximately 1 to 1.5 tonnes of red mud are
Get PriceProject report on sand replacement by red mud
Aug 12 2017 · Considering that high content of Na2O occurring in the red mud solidification of Naþ in red mud-containing cement to avoid alkali- aggregate reaction of concrete could be an effective method to improve the utilization of red mud in cement production and of course more investigations in this area are required. 5 15. 15 2.6.
Get PriceTreatment of alumina refinery waste (red mud) through
Hence neutralization techniques such as using mineral acids acidic waste (pickling liquor waste) coal dust superphosphate and gypsum as amenders CO 2 sintering with silicate material and seawater for treatment of red mud have been studied in detail.
Get PriceCNAMethod of treating high-iron red mud by
The invention discloses a method of treating high-iron red mud by alkaline process for deep dealkalization and iron enrichment. The method comprises the following steps mixing the high-iron red mud with a strong alkali solution of which the concentration is g/L to perform dissolution treatment under the conditions that the volume and mass ratio of the alkali solution to the high-iron
Get PriceUtilization of red mud in cement production a review
During the past decades extensive work has been done by a lot of researchers to develop various economic ways for the utilization of red mud. One of the economic ways is using red mud in cement production which is also an efficient method for large-scale recycling of red mud.
Get PriceAnalysis on Physical and Mechanical Properties of Red Mud
Red mud is the tailings generated from the production process of aluminum industry and is mainly stacked in open-air at present so how to ensure the stability of red mud stockpile is very important. Regarding mud stockpile of Guizhou Aluminum Factory as the research object this paper studies the physical and mechanical properties of Bayer red mud from wetting process Bayer red mud from
Get PriceRed Mud Research PapersAcademia.edu
The safe disposal of the red mud is a must however since the red mud contains several valuable materials such as ferric aluminum titanium silicon calcium oxides and other metals e.g. germanium gallium etc. the recovery of the valuable components and the processing and utilization of the red mud considered as a secondary raw material is
Get PriceRed mud processing and utilizationSlideShare
CONCLUSION Red mud has wide range of application from building material to metal recovery. Developments in dry disposal methods will lead to better management of residue but neutralization of red mud will be an essential ingredient of any permanent solution. Continuous research is required by studying residue neutralization technologies to
Get PriceCurrent Status of an Industrial Waste Red Mud an Overview
Sep 01 2017 · Management Applied Science Due to its hazardous nature it is a great challange to researcher to develop new methods for the application of red mud. Various research work going on for the storage disposal and utilization of the red mud in all over the world. This paper reviews the current status and future trend of the red mud
Get Price
