What can limestone be used for
Limestone is a common sedimentary rock, mainly composed of calcium carbonate (CaCO₃), and is widely used in construction, industry, agriculture and other fields. The following is a collection of popular topics and structured data on the use of limestone on the Internet in the past 10 days to help you fully understand its diverse applications.
1. Classification of main uses of limestone
| Application areas | Specific use | Popularity Index (Previous 10 days) |
|---|---|---|
| Building materials | Cement raw materials, construction aggregates, wall decoration | ★★★★★ |
| Industrial Manufacturing | Steelmaking flux, glass production, papermaking filler | ★★★★☆ |
| Environmental protection | Flue gas desulfurization, water quality purification | ★★★☆☆ |
| Agricultural Applications | Soil improvement, feed additives | ★★☆☆☆ |
2. Recent hot topics
1.New application of limestone in the background of carbon neutrality: With the advancement of global carbon neutrality targets, the potential of limestone in carbon capture and storage (CCUS) technology has caused heated discussions, with the volume of related discussions rising by 35% year-on-year.
2.Innovative use of the construction industry: A well-known architect used limestone powder to 3D printing house components, and the videos of related cases were viewed on social media for more than 2 million times.
3.Reuse of industrial by-products: The technical patent of steel mills using limestone waste slag to make environmentally friendly bricks has been disclosed, making headlines in industry media.
3. Detailed explanation of specific application scenarios
| Scene | Technical parameters | Economic benefits |
|---|---|---|
| Cement production | CaCO₃ content ≥75% | Reduce costs by about 15% per ton |
| Flue gas desulfurization | Grain size 200-300 mesh | Desulfurization efficiency up to 90%+ |
| Soil Improvement | pH adjustment range 6.5-7.5 | Production increase of 8-12% |
4. Market trends and trends
1.Price fluctuations: Affected by energy costs, the ex-factory price of limestone in some areas has risen by 5-8%, but the overall supply is stable.
2.Technical breakthrough: Progress in the preparation technology of nano-scale limestone powders may open up new markets for high-end coatings and composite materials.
3.Impact of environmental policies: The new EU regulations require limestone mining companies to submit ecological restoration plans, and the number of related consultations has surged.
5. Precautions for use
• Industrial-grade limestone needs to be tested for heavy metal content
• The original soil pH must be measured before agricultural application
• The compressive strength of limestone for construction should be ≥60MPa
Conclusion
As a multifunctional basic material, limestone is expanding new application scenarios through technological innovation while maintaining stable demand in traditional application fields. It is recommended that practitioners in relevant industries pay attention to cutting-edge directions such as nanotechnology and circular economy, and seize the opportunities of industrial upgrading.
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