Precautions for Purchasing and Using Polyaluminum Chloride

Polyaluminium Chloride (PAC), also known as flocculating agent, is widely used in water treatment processes, including the purification of drinking water, special water treatment for water supply, the removal of iron, cadmium, fluorine, radioactive contaminants, and floating oil, as well as in industrial wastewater treatment, such as textile dyeing wastewater. It is also applied in casting, papermaking, pharmaceuticals, and leather manufacturing. When purchasing and using polyaluminum chloride, several important considerations must be taken into account to ensure safety, effectiveness, and compliance.

Precautions for purchasing polyaluminum chloride:

1. Product Quality and Composition

Quality is paramount when purchasing polyaluminum chloride. High-quality PAC can effectively remove suspended solids and impurities from water, enhancing its transparency. The product should have a clear chemical composition statement, with a high aluminum content and low impurities. It's crucial to choose manufacturers with a solid background and certifications, ensuring that their production processes meet national standards.

2. Manufacturer Credentials and Testing Reports

Request relevant testing reports from the manufacturer to verify the product's safety and practicality. Consider the manufacturer's reputation and experience in the industry. For instance, manufacturers like Henan Tangda Water Purification Materials Co., Ltd., which not only provide quality products but also comprehensive after-sales service and technical support, are preferable.

3. Price and Cost-Effectiveness

PAC prices vary based on brand, quality, and market conditions. While price is often a significant factor in decision-making, focus more on cost-effectiveness. Conduct market research to understand current prices and avoid being deceived by excessively low offers. Consider bulk purchasing to negotiate more favorable prices and assess the overall cost of usage, including transportation, storage, and performance.

4. Form and Specification

PAC is available in various forms, including solid, liquid, and different specifications. Choose the appropriate form based on the type of water treatment (e.g., tap water, wastewater) and the construction environment. Some liquid PAC may be more convenient for transportation and suitable for projects requiring high mobility. Adjust the dosage according to the specific cohesion of different PAC products.

5. Safety and Environmental Compliance

As a chemical product, PAC's environmental friendliness is a crucial consideration. Ensure that the raw materials used in polyaluminum chloride production comply with national environmental regulations. Understand the product's environmental grade and hazard index to minimize its impact on the environment and human health. Verify the manufacturer's production compliance certificates to avoid purchasing non-compliant products.

6. Emergency and Storage Precautions

PAC is generally considered non-hazardous, but appropriate safety measures should still be taken. In case of accidental exposure, move the affected person to fresh air, remove contaminated clothing, and wash the skin thoroughly with soap and water. For eye contact, flush the eyes with running water or saline solution and seek medical attention immediately. PAC should be stored in a cool, well-ventilated warehouse with a temperature not exceeding 37°C. Keep it away from fire, heat sources, and flammable materials. The storage area should be equipped with leak emergency handling equipment and appropriate containment materials.

Precautions for  using polyaluminum chloride:

1. Handling and Storage:

Personal Protection: Always wear appropriate protective gear, including gloves, goggles, and a respiratory mask, when handling PAC to prevent skin contact, eye irritation, and inhalation of dust.

Storage Conditions: Store polyaluminum chloride in a cool, dry, and well-ventilated area, away from direct sunlight, heat sources, and flammable materials. Keep the container tightly sealed to prevent moisture absorption and contamination.

2. Dilution and Preparation:

Correct Dilution: Polyaluminum chloride should be diluted to the appropriate concentration before use. Follow the manufacturer's instructions for the correct dilution ratio to avoid over-concentration or under-concentration, which can affect its coagulation effectiveness.

Mixing: Use clean water for dilution and mix thoroughly to ensure a homogeneous solution. Avoid vigorous stirring, which may cause the formation of foam.

3. Dosage and Application:

Dosage Calculation: Determine the appropriate dosage based on the water quality and treatment requirements. Overdosing can lead to excessive sludge production and increased treatment costs, while underdosing may result in inadequate coagulation.

Uniform Feeding: Feed polyaluminum chloride uniformly into the water treatment system to ensure consistent coagulation performance. Avoid sudden changes in dosage, which may disrupt the treatment process.

4. Monitoring and Adjustment:

Water Quality Monitoring: Regularly monitor water quality parameters, such as turbidity, pH, and dissolved solids, to assess the effectiveness of PAC treatment. Adjust the dosage as necessary based on the monitoring results.

System Maintenance: Keep the treatment system clean and well-maintained to prevent clogging and ensure optimal performance.

5. Environmental and Safety Considerations:

Environmental Impact: PAC is generally considered environmentally friendly, but its disposal should comply with local regulations to prevent pollution.

Emergency Preparedness: Have an emergency response plan in place to handle accidental spills or leaks. Ensure that all personnel are familiar with the emergency procedures and have access to the necessary safety equipment.

6. Compatibility and Interactions:

Chemical Compatibility: Check for compatibility with other chemicals used in the water treatment process. Some chemicals may react with PAC, affecting its coagulation properties or generating harmful byproducts.

Water Source Characteristics: Consider the characteristics of the water source, such as hardness, alkalinity, and organic content, as these can affect the performance of PAC.

In conclusion, purchasing and using PAC involves multiple considerations, including product quality, manufacturer credentials, price, form and specification, safety and environmental compliance, emergency and storage precautions, and after-sales service. By comprehensively evaluating these factors, consumers can make informed decisions and ensure the effective and safe use of PAC in their water treatment processes.If you encounter any problems in the process of use, please feel free to contact the polyaluminum chloride manufacturer - Tangda water purification, we will arrange professional technicians to contact you to help you solve the problem. Sincerely look forward to cooperating with you!