Aluminum Sulphate alum flocculant - Effective solution for clean water treatment

The working principle of aluminum sulphate in water treatment

Flocculation process

When added to water, aluminum sulfate begins the coagulation process. The aluminum ions from the aluminum sulfate will bind with dirt particles and impurities in the water, forming larger flocs. This process is fast and effective, helping to remove small impurities that are invisible to the naked eye.

Settling process

After coagulation, large flocs will begin to settle to the bottom of the tank. This settling process occurs naturally due to gravity. Settling time depends on the size and density of the flocs. Larger flocs will settle faster, while smaller flocs may take longer.

Filtration process

After the settling process is complete, the water in the tank will be removed and fed into the filtration system. The filtration system will completely remove any remaining flocs, ensuring that the water meets safety standards before being supplied to the public. This process not only improves water quality but also reduces the risk of pollution.

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Applications of Aluminum Sulphate in Life

Domestic water treatment

Aluminum Sulphate is commonly used in domestic water treatment plants. Thanks to its effective settling ability, aluminum sulphate helps remove impurities, bacteria and viruses in water, ensuring clean and safe water for users. Many localities have applied this technology to improve the quality of domestic water for the community.

Wastewater treatment

In addition to treating domestic water, aluminum sulphate is also used in wastewater treatment. In food processing, textile dyeing or paper production factories, wastewater often contains many impurities and toxic chemicals. The use of aluminum sulfate helps remove these impurities, minimizing environmental pollution.

In agriculture

Aluminum Sulfate is also used in agriculture. It can be used to adjust the pH of the soil, helping plants grow better. In addition, alum also has antibacterial effects, preventing the growth of fungi on plants.

How to Use Aluminum Sulfate Effectively

1. Dosage Used

2. Method of Adding Chemicals
   • Direct addition to water: Aluminum sulfate can be added directly to the water to be treated, then stirred to ensure that the chemical is evenly dispersed.
   • Using a mixing tank: In water treatment plants, aluminum sulfate is usually added through a mixing tank, where the water and chemicals are stirred before transfer to settling tank for precipitation.
3. Monitoring and Adjustment

The use of aluminum sulfate needs to be continuously monitored and adjusted to ensure effective water treatment. In particular, the pH of water needs to be controlled to avoid excessive acidity, which can affect health and the environment.

Notes When Using Aluminum Sulfate

1. Chemical Storage
   • Avoid moisture: Aluminum sulfate should be stored in a cool, dry place, avoiding contact with water to avoid reducing the quality of the chemical.
   • Sealed packaging: Chemicals should be stored in sealed packaging to avoid contact with air and moisture, thereby maintaining purity and effectiveness.
2. Safe to Use
   • Protective equipment: When using aluminum sulfate, it is necessary to fully equip protective equipment such as gloves, goggles and masks to avoid direct contact with chemicals.
   • Waste treatment: After use, it is necessary to ensure that waste containing aluminum sulfate is properly disposed of to avoid environmental pollution.
3. Environmental Impact

Aluminium sulfate, if not used and handled properly, can have negative impacts on the environment, especially aquatic ecosystems. Therefore, the use of this chemical should be done carefully and closely monitored.