Traditional Water Plant Upgrade: Solving Aluminum Contamination - Beihai Case Study

Summary: The upgrade of a water plant in Beihai, Guangxi, China, aiming to solve the problem of excessive aluminum ions (which causes "yellow water" and health risks like increased Alzheimer's risk) due to its outdated physical filtration process. The solution is adding a 7,000-ton/day integrated flocculation sedimentation tank (combining chemical and physical methods) to remove soluble aluminum ions, along with one-stop services including on-site installation and training. The upgrade eliminates "yellow water", meets international water quality standards, and ensures safe drinking water and stable plant operation, while the company offers customized solutions for global traditional water plants.

With increasingly strict global water safety standards, upgrading traditional water plants is critical to addressing water quality disqualification and heavy metal contamination. Taking a water plant in Beihai, Guangxi, China as an example, we demonstrate how to effectively solve excessive aluminum ions and ensure safe drinking water.
 

Aluminum Contamination: Risks & Signs

 
Excessive aluminum ions in water cause the obvious "yellow water" phenomenon and pose serious health risks—long-term consumption may damage body functions, interfere with the nervous system, and increase the risk of Alzheimer's disease. Many traditional water plants’ outdated processes fail to remove soluble aluminum ions, failing to meet international standards.
 

Beihai Water Plant: Dilemma of Outdated Processes

 
The water plant in Beihai, Guangxi, China used groundwater with poor quality and adopted a simple process: Water Pump Room → Gravity-type Valveless Filter → Clear Water Tank. This physical filtration only removes large particles, not soluble aluminum ions, leading to frequent "yellow water" and unqualified water quality.

Our Solution: Integrated Flocculation Sedimentation Tank

 
We customized an upgrade plan: adding a 7,000-ton/day integrated flocculation sedimentation tank, forming a new process combining chemical and physical methods. Optimized flocculation and inclined tube sedimentation turn soluble aluminum ions into precipitates, which are then filtered, solving the contamination problem and reducing the filter’s burden.

One-Stop Service & Core Benefits

 
We provide on-site installation, commissioning, and operation/maintenance training. After the upgrade, "yellow water" was eliminated, effluent aluminum content met international standards (below 0.1 mg/L), ensuring safe drinking water for residents and more efficient, stable operation for the water plant.

Global Service Commitment

 
We offer customized upgrade solutions for global traditional water plants, focusing on solving water quality and heavy metal issues, helping achieve quality upgrading and contributing to global water safety.

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