use of red mud as addition for portland cement

USE OF RED MUD AS ADDITION FOR PORTLAND CEMENT

of red mud addition on the characteristics of cement mortars and concrete. In this paper the properties of Portland cement mortars incorporating high amounts of red mud was evaluated: pH variation, fresh (setting time, workability or normal consistency and water retention), and hardened state (mechanical strength, capillary

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Use of Red Mud as Addition for Portland Cement Mortars

Use of Red Mud as Addition for Portland Cement Mortars 4 water present in the mud as mixing mortar component. The specific surface area of bauxite waste is 20.27 m 2/g and the specific gravity is 2.90 kg/dm 3. In accordance to the particle fineness shown in Fig . 1, maximum particle size is under 40 µm and the mean value is only about 5 µm.

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Hydration of Portland cement with red mud as mineral addition

Nov 07, 2017  10%  The use of red mud from Bayer process in association with Portland cement has been shown to be promising because of its good performance on the hardened state. However, the physicochemical interactions during the cement reaction have not been explored in depth in the literature. As the red mud is rich in iron, aluminates, silicate and, mainly, sodium components, the interaction with Portland ...

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Red mud addition in the raw meal for the production of ...

Dec 10, 2004  The addition of red mud residue by 1% in the raw meal did not affect either the sintering or the hydration process during Portland cement production. More specifically, the sample with red mud presented the following characteristics: 1. The alite phase occurred as small well-formed crystals. 2.

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Red mud addition in the raw meal for the production of ...

The aim of the present research work was to investigate the possibility of adding red mud, an alkaline leaching waste, which is obtained from bauxite during the Bayer process for alumina production, in the raw meal for the production of Portland cement clinker. For that reason, two samples of raw meals were prepared: one with ordinary raw ...

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Effect of Calcined Red Mud Addition on the Hydration of ...

The red mud (RM) is a solid waste derived from the processing of bauxite ore to produce alumina and it is considered a hazardous waste due to its high pH. This paper describes the use of mud untreated and after calcination at distinct temperatures (450, 650, and 1000°C) attempting to improve its reactivity. The Portland cement was replaced up to 30 wt% red mud, and its addition changed the ...

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Sustainable use of red mud in ultra-high performance ...

Jan 01, 2021  It can be found that the addition of red mud coarsens the pore structure of UHPC. In detail, the replacement of cement by red mud contributes a larger critical pore radius (the aperture with the highest probability of occurrence) ranging from 5.48 nm to 9.06 nm (4.02 nm of the control sample).

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Effect of the addition of red mud on the corrosion ...

Jan 01, 2012  The higher the red mud content the lower the corrosion rate, which stabilizes between 20 wt.% and 30 wt.% of added red mud content. An inversely proportional correlation was observed between the resistivity and the chloride ion penetration in concrete containing red mud in samples subjected to the same saturation condition.

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Effect of Red Mud on the Corrosion of Reinforced Concrete ...

Concrete was prepared with ordinary Portland cement and red mud mixed in the following proportions: 1.0 (Portland cement) : 1.5 (fine aggregate) : 1.3 (coarse aggregate) and a water/cement ratio of 0.5. Red mud was added in partial substitution of Portland cement in

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Alameri The physico-mechanical properties of concrete ...

Use of red mud as addition for portland cement mortars. Journal of Materials Science and Engineering, 4(8), 1-8. Ruano G, Isla F, Luccioni B, Zerbino R, Giaccio G (2018). Steel fibers pull-out after exposure to high temperatures and its contribution to the residual mechanical behavior of high strength concrete. Construction and Building ...

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Hydration of Portland cement with red mud as mineral addition

Aug 18, 2016  The use of red mud from Bayer process in association with Portland cement has been shown to be promising because of its good performance on the hardened state. However, the physicochemical interactions during the cement reaction have not

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Uses of Red Mud as a Construction Material

Portland cement when they were heated up to 1250°C for 1.5 hours 2. Cement produced: using lime, red mud, bauxite, gypsum and fly ash. Results: (1) lime, red mud and bauxite and (2) lime gypsum, red mud and bauxite gave 28-day compressive strengths comparable to those obtained using ordinary OPC.

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Effect of Replacement of Cement by Red mud on the ...

The binder materials used in mixes were ordinary Portland cement (OPC) 43 grade conforming to IS: 8112 – 1989, Red mud used for the replacement of cement is brought from aluminum industry obtained by Bayer ’s process, HINDALCO, Belgaum, Washed Red mud and Unwashed Red mud.

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Applications – Red Mud Project

P.E. Tsakiridis, S. Agatzini-Leonardou and P. Oustadakis, “Red mud addition in the raw meal for the production of Portland cement clinker”, Journal of Hazardous Materials, Vol.

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Effect of Calcined Red Mud Addition on the Hydration of ...

Main Materials Science Forum Effect of Calcined Red Mud Addition on the Hydration of Portland Cement Materials Science Forum 2012 / 8 Vol. 727-728 Effect of Calcined Red Mud Addition on the Hydration of Portland Cement

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Potential use of natural red mud as pozzolan for Portland ...

10. Ribeiro DV, Labrincha JA and Morelli MR. Use of red mud as addition for portland cement mortars. Journal of Materials Science and Engineering. 2010; 4(8):1-9. [ Links ] 11. Amritphale SS, Anshula A, Chandraa N and Ramakrishnana N. A novel process for making radiopaque materials using bauxite Red mud.

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Red mud is piling up. Can scientists figure out what to do ...

Aug 20, 2020  One idea is to harness red mud, which is typically 40% to 70% iron oxide, to make iron-rich cements. The world uses more than 4 billion tons of cement

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Microstructure Evolution in Ordinary Portland Cement ...

Sep 12, 2019  The normal consistency of cement and red mud mix is found to be proportional to the percentage of replaced red mud and is attributed to the presence of finer particles in red mud. The cement paste without any addition has the lowest water requirement (28.5%) compared to the cement with metakaolin and red mud.

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Role of red mud in natural passivation and chloride ...

Jul 07, 2021  In this study, P⋅O 42.5 ordinary Portland cement (OPC) and red mud (RM) derived from bauxite were used for preparing OPC and RM extract solutions. The chemical composition of raw materials was measured by X-ray fluorescence (XRF) spectroscopy in wavelength dispersive X-ray fluorescence spectrometer (ThermoFisher, ARL Perform’X 4200) . RM ...

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Effects of Adding Neutralized Red Mud on the Hydration ...

Red mud is a highly alkaline waste by-product of the aluminum industry. Although recycling of red mud is being actively researched, a feasible technological solution has not been found yet. In this study, we propose that neutralization of red mud alkalinity could assist in its use as a construction material. Neutralized red mud (LRM + S; pH 6ndash;8) was prepared by adding sulfuric acid to ...

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(PDF) Effect of red mud addition on the corrosion ...

Effect of red mud addition on the corrosion parameters of reinforced concrete evaluated by electrochemical methods. 2012. Marcio Morelli. Daniel Ribeiro. João Labrincha. Marcio Morelli. Daniel Ribeiro. João Labrincha. Download PDF. Download Full PDF Package. This paper.

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CONSTANT REPLACEMENT OF CEMENT WITH RED MUD

In this project loss in production of Portland cement can be overcome by the increased use of red mud in different percentages with hydrated lime. Concrete is a composite material composed of gravels or crushed stones (coarse aggregate), sand (fine aggregate) and hydrated cement. It has been in use for over a century in all construction works.

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Production of red mud building materials in Jamaica: Case ...

Production of red mud building materials in Jamaica: Case Study 1: Production of cement stabilized red mud bricks Introduction Before the end of the decade of the 1980's red mud became a major concern in world environmental discussions, and in- ternational attention focused on Jamaica alongside Australia and Guinea which by

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Effect of Red Mud on the Corrosion of Reinforced Concrete ...

Concrete was prepared with ordinary Portland cement and red mud mixed in the following proportions: 1.0 (Portland cement) : 1.5 (fine aggregate) : 1.3 (coarse aggregate) and a water/cement ratio of 0.5. Red mud was added in partial substitution of Portland cement in

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Hydration of Portland cement with red mud as mineral addition

Oct 28, 2017  The use of red mud from Bayer process in association with Portland cement has been shown to be promising because of its good performance on the hardened state. However, the physicochemical interactions during the cement reaction have not

get price

Utilization of red mud in cement production: a review ...

Sep 18, 2011  Red mud addition in the raw meal for the production of Portland cement clinker. Tsakiridis PE , Agatzini-Leonardou S , Oustadakis P J Hazard Mater , 116(1-2):103-110, 01 Dec 2004

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CONSTANT REPLACEMENT OF CEMENT WITH RED MUD

In this project loss in production of Portland cement can be overcome by the increased use of red mud in different percentages with hydrated lime. Concrete is a composite material composed of gravels or crushed stones (coarse aggregate), sand (fine aggregate) and hydrated cement. It has been in use for over a century in all construction works.

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Study of the possibilities of using Red Mud as an additive ...

the binder is replaced by red mud. Addition of red mud in grout mortar significantly increases the water permeability of the mortar due to the increased water-cement ratio. Owing to the fluctuant results from the adsorption test, it is difficult to draw a conclusion of the adsorption capacity for Cs by addition of red mud in concrete.

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Effect of red mud as cement replacement on the properties ...

Jan 08, 2020  proportion of red mud. The optimum percentage of red mud to be replaced with cement was recommended as 25%. Metilda et al (2015) studied the use of red mud in concrete in which the cement was partially replaced by red mud at 0% to 25% with an interval of 5%. Based on the experimental investigation, it was observed that the compressive

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Effects of Red Mud Addition in the Microstructure ...

of red mud cement-based materials. The possible pozzolanic activity of red mud has been checked using differential scanning calorimetry. The non-steady state chloride migration coefficient and the mechanical properties were studied too. According to the results obtained, the addition of red mud

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Use of Electrochemical Techniques to Evaluate the Effect ...

Concrete was prepared with ordinary Portland cement and red mud mixed in the following proportions: 1.0 (Portland cement): 1.5 (fine aggregate): 1.3 (coarse aggregate) and a water/cement ratio of 0.5. Red mud was added in partial substitution of Portland cement in

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Role of red mud in natural passivation and chloride ...

Jul 07, 2021  In this study, P⋅O 42.5 ordinary Portland cement (OPC) and red mud (RM) derived from bauxite were used for preparing OPC and RM extract solutions. The chemical composition of raw materials was measured by X-ray fluorescence (XRF) spectroscopy in wavelength dispersive X-ray fluorescence spectrometer (ThermoFisher, ARL Perform’X 4200) . RM ...

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Production of red mud building materials in Jamaica: Case ...

Production of red mud building materials in Jamaica: Case Study 1: Production of cement stabilized red mud bricks Introduction Before the end of the decade of the 1980's red mud became a major concern in world environmental discussions, and in- ternational attention focused on Jamaica alongside Australia and Guinea which by

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Evaluation of Concrete Strength by Partially Replacing ...

There is future scope for the use of red mud concrete in structural point of view. 6. A wide variety of potential uses of red mud have been reviewed, yet there is no economically viable and environmentally acceptable solution for the utilization of large volumes of red mud. 7. The addition of red mud promotes on increases of pH of fresh paste.

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(PDF) Effect of red mud addition on the corrosion ...

Effect of red mud addition on the corrosion parameters of reinforced concrete evaluated by electrochemical methods. 2012. Marcio Morelli. Daniel Ribeiro. João Labrincha. Marcio Morelli. Daniel Ribeiro. João Labrincha. Download PDF. Download Full PDF Package. This paper.

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Bibliography – Red Mud Project

Wang, K., Levels of radioactivity in the red mud and red mud cement and its dose rate for local residents. Huanjing Kexue, 1992, 13(5), 90-3, (in Chinese) Pinnock W. R., Measurements of radioactivity in Jamaican building materials and gamma dose equivalents in a prototype red mud house.

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Use of selected industrial waste materials in concrete ...

Sep 13, 2011  The results of laboratory leaching tests demonstrate that the addition of red mud to the copper flotation waste drastically reduces the heavy metal content in the effluent . The aim of this research is to investigate the compressive strength and leaching of the concrete, which contains chromite industry waste and red mud. MATERIALS Cement

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Opportunities for use of bauxite residue in Portland ...

specifically relating to use of bauxite residue in Portland cement clinker. 2. Cement – basic background A cement may be defined as a binder or a substance that sets and hardens and can bind other materials together. Cements used in construction can be characterised as being either hydraulic or

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