Bauxite tailings, waste generated during aluminum production, have traditionally been considered a source of environmental pollution and resource waste. However, with technological advancements, the comprehensive utilization of bauxite tailings has gradually become a viable solution. By crushing and reusing bauxite tailings, this waste can be given new life, achieving environmental protection and sustainable resource utilization. Here are some methods for the comprehensive utilization of bauxite tailings:

Comprehensive Utilization of Bauxite Tailings

Building Materials

Crushed bauxite tailings can be used as filler in building materials. Mixing the tailings with materials such as cement and mortar can produce high-performance building materials such as blocks, mortar, and concrete. This method not only reduces the demand for natural sand and gravel resources but also effectively reduces tailings emissions.

Environmentally Friendly Bricks

Bauxite tailings can also be used to produce environmentally friendly bricks. By mixing the tailings with appropriate additives and binders, forming bricks, and then sintering them, high-strength, lightweight, and environmentally friendly brick products can be obtained. This utilization method not only reduces dependence on traditional brick raw materials but also reduces the costs of waste tailings treatment and landfill.

Slag Cement

Slag cement is prepared by mixing crushed bauxite tailings with slag, fly ash, etc., under appropriate process conditions. This method not only reduces the demand for natural limestone in cement production but also reduces tailings emissions and environmental pollution.

Soil Conditioner

Through processing and treatment, bauxite tailings can be made into soil conditioners. Mixing the tailings with organic matter can improve soil structure and fertility, and enhance the soil's water and fertilizer retention capacity. This helps increase crop yields, reduce fertilizer use, and achieve sustainable agricultural development.

Road Base Material

Crushed bauxite tailings can be used as road base materials. Mixing the tailings with crushed stone, asphalt, and other materials can produce stable and durable road base materials, improving the load-bearing capacity and durability of roads.

Recommended Crushing Equipment

To achieve efficient and comprehensive utilization of bauxite tailings, selecting suitable crushing equipment is crucial. Shibang Group offers a range of high-performance crushing equipment; the following are some recommendations:

PE Jaw Crusher

PE jaw crushers, with their high efficiency and durability, are widely used in coarse crushing operations. Its optimized crushing chamber design and moving/stationary jaw plates effectively improve crushing efficiency, making it suitable for crushing large ores and hard materials.

HPT Multi-Cylinder Hydraulic Cone Crusher: The HPT multi-cylinder hydraulic cone crusher utilizes advanced hydraulic technology and a multi-cylinder design, possessing high-efficiency crushing capacity and excellent finished product particle shape control. It is suitable for medium and fine crushing operations, especially for crushing hard ores and highly abrasive materials.

VSI6X Impact Crusher: The VSI6X impact crusher, with its optimized crushing chamber design and high-efficiency rotor, provides excellent sand making and shaping effects. It is suitable for producing high-quality manufactured sand, especially in bauxite tailings sand making processes, significantly improving the gradation and quality of the finished sand.

S5X Vibrating Screen: The S5X vibrating screen uses a high-strength vibrator and high-quality screen material, possessing powerful screening capacity and stable operating performance. It is used for screening various ores and gravels, ensuring uniform particle size and stable quality of the finished product.

By selecting appropriate crushing equipment, the utilization efficiency and finished product quality of bauxite tailings can be effectively improved, thereby achieving sustainable resource utilization and maximizing economic benefits.