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Use Of Gold Tailings In The Manufacturing Of Bricks
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(PDF) Reprocessing potential of pegmatite …
To date, the use of Uis tailings for brick manufacturing supports the local economy, aids building development and removes silica-rich mine wastes prone to dust dispersion in a remote part of Namibia.
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Preparation of autoclaved bricks based on gold mine tailings
There are studies devoted to the use of mine tailings for the production of bricks with high porosity [17] [18][19]. Mine tailings are a perspective material for its use as an alternative filler ...
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Review Utilization of tailings in concrete products: A review
The tailings are used instead of fine aggregate or cement substitution. • The particle size distribution, porosity, and chemical contents of the tailings affect the properties of the concrete. • The use of tailings in concrete can be reduced production costs and CO 2 emissions. • The environmental risks limit the use of tailings in concrete.
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Durability and Leaching Behavior of Mine Tailings-Based Geopolymer Bricks
PurposeMill tailings are sediments produced after the metal-bearing mineral has been separated from an ore's uneconomic fraction. These residues are disposed to tailings dams that are costly ...
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Use of gold mill tailings in making bricks: a feasibility …
Abstract. Mill tailings dumps at Kolar Gold Fields, Karnataka, are creating environmental problems. One of the solutions to these problems is to use the mill tailings for some …
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Use of gold mill tailings in making bricks: a feasibility study
Abstract. Mill tailings dumps at Kolar Gold Fields, Karnataka, are creating environmental problems. One of the solutions to these problems is to use the mill tailings for some useful purpose. This study examined the possibility of making bricks from the mill tailings with some additives in laboratory experiments.
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(PDF) Geopolymer Bricks Using Iron Ore Tailings, Slag Sand, …
Kumar et al. studied the use of iron ore tailings, slag sand, ground granular blast furnace slag, and fly ash to produce geopolymer bricks [18]. Falayi et al. conducted a comparative study on the ...
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Utilizing gold mine tailings to produce sintered bricks
Abstract. Limited recycling options and large stockpiles of gold tailings lead to a series of social and environmental issues. The recycling of gold tailings is helpful …
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Utilization of Iron Ore Tailings for Brick Manufacture …
obtain or value-added product out of iron tailing waste which is suitable for use in the construction industry. Bricks were made using a variety of compositions of iron tailings, Ordinary Portland Cement, sodium silicate, and sand in cuboid mould (9″X 5″X 3″). The bricks were dried for 24 hours, and then kilned at 115 ± 10°C for 24 hours.
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The viability of using the Witwatersrand gold mine tailings
This work therefore examines the use of gold mine tailings in the production of bricks. Different mixing ratios of gold tailings, cement, and water were used. The resulting …
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Making Paving Stones from Copper Mine Tailings as …
To reduce the negative impact on the environment and use the secondary resource of copper mine tailings, this study provides an attractive method for recycling mine tailings into building materials and creating zero-emission tailings, which could be helpful for the production of construction bricks using green raw materials and industrial …
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(PDF) The viability of using the Witwatersrand gold mine tailings …
This work therefore examines the use of gold mine tailings. in the production of bricks. Different mixing ratios of gold tailings, cement, and water were used. The resulting bricks were then cured ...
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Characteristics of the fired bricks with low-silicon iron tailings
The continuous extraction of clay as brick manufacturing raw material causes substantial depletion of the non-renewable resources. In many areas of the world, there is already a shortage of clay and shale material for production of the conventional bricks. ... Use of gold mill tailings in making bricks: a feasibility study. Waste Manage …
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(PDF) Stabilization of gold mine tailings: The …
The use of gold mine tailings in the production of building blocks / bricks, is examined in this study. ... The study found that the stone dust and laterite are viable resources for manufacturing ...
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(PDF) Design and implementation of an alternative process …
With the objective of reducing the negative impacts on environment and utilizing the secondary resource of tailings, the possibility of making construction bricks by using the hematite tailings ...
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Utilization of gold tailings as an additive in Portland cement
The use of gold-mine tailings as a Portland cement additive for concrete [10] and brick [11] production is also being investigated. There have also been reports of mine tailings being used as a ...
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IOP Conference Series: Materials Science and …
The use of gold mine tailings in the production of building blocks / bricks, is examined in this study. The tailings used in the study were characterized by having an optimum …
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Use of gold mill tailings in making bricks: a feasibility study.
Gale Academic OneFile includes Use of gold mill tailings in making bricks: a feasibili by Surendra Roy, Govind R. Adhikari, and R. Click to explore.
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OneMine | The viability of using the Witwatersrand gold mine tailings …
Bricks made from tailings cost more than conventional bricks because of the higher quantity of cement used, but the manufacturing process consumes less water. Overall, the results indicated that gold mine tailings have a high potential to substitute for the natural materials currently used in brickmaking.Paper written on project work carried ...
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Bulk utilisation of copper mine tailings in production of bricks
The brickmaking process has involved the use of waste and tailings such as those from copper, nickel, gold, aluminium, molybdenum, and zinc processing as additives replacing some of the cement ...
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Use of gold mill tailings in making bricks: a feasibility …
Use of gold mill tailings in making bricks: a feasibility study. Surendra Roy, G. R. Adhikari, Rama N. Gupta. Published in Waste Management Research 1 October …
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Selected performance of alkali-activated mine tailings
Tailings can be used as a replacement in clinker production despite the SiO 2 content [6]. The physical properties of tailings influence the durability of concrete mixes. The primary attribute determining concrete durability is permeability [6, 121]. Concrete with 10% tailings as an aggregate has a similar water permeability as the control ...
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Geosciences | Free Full-Text | Recycling and Reuse of Mine Tailings…
Mining is an important industry, accounting for 6.9% of global GDP. However, global development promotes accelerated demand, resulting in the accumulation of hazardous waste in land, sea, and air environments. It reached 7 billion tonnes of mine tailings generated yearly worldwide, and 19 billion solid tailings will be accumulated by …
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Sustainable eco-friendly bricks from slate tailings through
Yang et al. [9] studied the fabrication of bricks by mixing low-silicon iron tailings with different amount of fly ash (5 wt%, 10 wt%, 15 wt% and 20 wt%) and then fired these mixtures to the appropriate temperature (900℃950℃ and 1000℃). Roy et al. [10] studied utilizing gold mine tailings to fabricate two types of bricks. One type of ...
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Use of gold mill tailings in making bricks: A …
Abstract. Mill tailings dumps at Kolar Gold Fields, Karnataka, are creating environmental problems. One of the solutions to these problems is to use the mill …
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Mine tailings-based geopolymers: A comprehensive review
Many forms of mine tailings have the potential for recycling and re-use, including Mn-rich tailings, which can be utilized to manufacture building materials, ceramics, glass, and coatings; clay-rich tailings, which can be utilized to manufacture bricks, sanitary wares, porcelain, and cement; iron ore tailings mixed with …
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(PDF) Utilisation of iron ore mine tailings for the production …
Particle-size distribution curve of the iron ore mine tailings used for brick manufacturing. Milling time vs. per cent passing 212 μm. (a) Process of making the brick and (b) freshly prepared bricks.
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Use of gold mill tailings in making bricks: a feasibility study
The quality of bricks was assessed in terms of linear shrinkage, water absorption and compressive strength, and the cost analysis revealed that cement— tailings bricks would be uneconomical whereas the soil—tailings bricks will be very economical. Expand