Can Sodium Aluminate 1302 - 42 - 7 be used in water treatment?

Sep 18, 2025

As a supplier of 1302 - 42 - 7 Sodium Aluminate, I've received numerous inquiries about its potential use in water treatment. In this blog post, I'll delve into the properties of 1302 - 42 - 7 Sodium Aluminate, explore its applications in water treatment, and discuss its advantages and limitations.

What is 1302 - 42 - 7 Sodium Aluminate?

1302 - 42 - 7 Sodium Aluminate is a chemical compound with a well - defined chemical structure. It is typically available in different forms, such as a solid or a liquid. The chemical formula of sodium aluminate is usually NaAlO₂ or Na₂Al₂O₄, depending on the conditions of formation.

This compound has several industrial uses due to its unique chemical properties. It is highly soluble in water, which makes it an interesting candidate for water - related applications. In the industrial market, there are various types of sodium aluminate products. For example, you can find Molecular Sieve Specific Sodium Aluminate, which is specially formulated for use in molecular sieve applications, and 37% Sodium Aluminate Content, which has a specific concentration suitable for certain industrial processes.

How Does Sodium Aluminate Work in Water Treatment?

Coagulation and Flocculation

One of the primary roles of 1302 - 42 - 7 Sodium Aluminate in water treatment is in the processes of coagulation and flocculation. In natural water sources, there are often suspended particles, colloids, and organic matter. These particles carry a negative charge on their surface, which causes them to repel each other and remain dispersed in the water.

When sodium aluminate is added to water, it hydrolyzes to form aluminum hydroxide species. These species can neutralize the negative charges on the suspended particles. As the charges are neutralized, the particles start to come closer together and form larger aggregates, a process known as coagulation. Subsequently, these small aggregates combine to form even larger and heavier flocs through flocculation. These flocs can then be easily removed from the water by sedimentation or filtration.

pH Adjustment

Sodium aluminate can also be used for pH adjustment in water treatment. It is a basic compound. In some water treatment scenarios, the water may be too acidic. By adding sodium aluminate, the pH of the water can be increased to a more suitable level. A proper pH is crucial for the effectiveness of other water treatment processes. For example, many disinfection processes work optimally within a specific pH range. If the pH is too low or too high, the disinfectant may not work as efficiently.

Removal of Heavy Metals

Another important application of 1302 - 42 - 7 Sodium Aluminate in water treatment is the removal of heavy metals. Heavy metals such as lead, copper, and cadmium can be present in water sources due to industrial discharges or natural leaching. Sodium aluminate can react with these heavy metals to form insoluble metal hydroxides. These hydroxides can then be removed from the water through sedimentation or filtration processes.

Advantages of Using 1302 - 42 - 7 Sodium Aluminate in Water Treatment

High Efficiency

Sodium aluminate is highly effective in coagulation and flocculation processes. It can quickly and efficiently remove a large amount of suspended solids, turbidity, and organic matter from water. This leads to a significant improvement in water clarity and quality.

Cost - Effectiveness

Compared to some other coagulants and water treatment chemicals, sodium aluminate can be a cost - effective option. It requires relatively low dosages to achieve the desired treatment results, which can help reduce the overall cost of water treatment operations.

Versatility

As mentioned earlier, sodium aluminate can be used for multiple purposes in water treatment, including coagulation, flocculation, pH adjustment, and heavy metal removal. This versatility makes it a valuable chemical in water treatment plants.

Limitations of Using 1302 - 42 - 7 Sodium Aluminate in Water Treatment

Residual Aluminum

One of the main concerns when using sodium aluminate in water treatment is the potential presence of residual aluminum in the treated water. Excessive aluminum in drinking water has been associated with certain health risks, such as neurological disorders. Therefore, strict control of the dosage and proper treatment processes are required to ensure that the residual aluminum levels in the treated water are within the acceptable limits.

Temperature Sensitivity

The performance of sodium aluminate in water treatment can be affected by temperature. In cold water, the hydrolysis and coagulation processes may be slower, which can reduce the efficiency of the treatment. Water treatment plants in colder regions may need to take additional measures to ensure optimal performance.

Real - World Applications

1302 - 42 - 7 Sodium Aluminate has been widely used in various water treatment applications around the world. In municipal water treatment plants, it is used to treat raw water from rivers, lakes, or groundwater sources. By removing suspended solids, turbidity, and heavy metals, the water can be made safe for drinking and other domestic uses.

In industrial water treatment, sodium aluminate is used in the treatment of process water and wastewater. For example, in the paper - making industry, it can be used to remove impurities from the water used in the papermaking process. In the mining industry, it can help in the treatment of mine wastewater to remove heavy metals and suspended solids.

Quality and Supply of 1302 - 42 - 7 Sodium Aluminate

As a supplier of 1302 - 42 - 7 Sodium Aluminate, we are committed to providing high - quality products. Our sodium aluminate is produced under strict quality control measures to ensure its purity and effectiveness in water treatment applications.

Molecular Sieve Specific Sodium Aluminate37% Sodium Aluminate Content

We have a reliable supply chain that can meet the different needs of our customers. Whether you need a small - scale supply for a laboratory test or a large - scale supply for an industrial water treatment plant, we can provide you with the appropriate quantity and quality of sodium aluminate.

Conclusion

In conclusion, 1302 - 42 - 7 Sodium Aluminate can be effectively used in water treatment. Its ability to coagulate and flocculate suspended particles, adjust pH, and remove heavy metals makes it a valuable chemical in the water treatment industry. However, it also has some limitations, such as the potential for residual aluminum and temperature sensitivity, which need to be carefully managed.

If you are involved in water treatment and are considering using 1302 - 42 - 7 Sodium Aluminate, we encourage you to contact us for more information. Our team of experts can provide you with detailed product information, technical support, and help you determine the most suitable sodium aluminate product for your specific water treatment needs. We look forward to discussing your requirements and starting a mutually beneficial business relationship.

References

  1. AWWA (American Water Works Association). Water Treatment Principles and Design. McGraw - Hill, 2012.
  2. Letterman, R. D. Water Quality and Treatment: A Handbook of Community Water Supplies. McGraw - Hill, 1999.
  3. USEPA (United States Environmental Protection Agency). Drinking Water Treatment Technologies: A Compendium of Available Technologies. EPA, 2006.