Zibo Dingqi Chemicals Co., Ltd. is one of the most experienced manufacturers and suppliers of aluminum sulfate liquid coagulant in China. Welcome to wholesale high quality aluminum sulfate liquid coagulant made in China here from our factory. For price consultation, contact us.
Product Overview
Aluminum Sulfate Liquid Coagulant is an inorganic aluminum-based coagulant used to destabilize suspended and colloidal particles during water and wastewater treatment. After dosing, aluminum species hydrolyze in water and promote particle aggregation, allowing solids to be removed through sedimentation, flotation, or filtration.
The liquid form eliminates the need for on-site dissolution of solid aluminum sulfate and can be fed directly through a suitable chemical dosing system.
Product Identification & Technical Specifications
|
Technical Parameter |
Specification Standard |
|
Chemical Name |
Aluminum Sulfate Solution (Liquid Alum) |
|
CAS Number |
10043-01-3 |
|
Active Component (Al2O3) |
Greater than or equal to 8.0% (customizable grades available) |
|
Specific Gravity (at 20 Deg C) |
1.300 to 1.340 |
|
PH (2% aqueous solution) |
3.0 to 4.0 |
|
Iron Content (Fe) |
Less than or equal to 0.005% to 0.01% (low-iron grades available) |
|
Water Insoluble Matter |
Less than or equal to 0.25% |
|
Physical Appearance |
Clear liquid, free of suspended foreign matter |
Core Application Segments
Municipal Drinking Water Treatment: Applied as a primary coagulant in conventional surface water and groundwater treatment plants to reduce turbidity, remove natural organic matter, and lower microbial loads ahead of rapid sand filtration.
Municipal Wastewater Treatment: Utilized in primary clarification and secondary effluent polishing to remove suspended solids and reduce biological oxygen demand, as well as for chemical phosphorus precipitation to meet strict discharge limits.
Industrial Process & Wastewater Treatment: Integrated into liquid-solid separation across pulp and paper mills (pitch control and effluent clarification), textile operations (dye and surfactant removal), and food processing wash-water systems.
Technical Selection Guidelines
Active Alumina Concentration: Determines chemical consumption rates and dosing pump calibration. Higher active content optimizes storage volume efficiency.
Iron Impurity Thresholds: For potable water or color-sensitive industrial applications, low-iron grades (less than or equal to 0.005% Fe) are specified to prevent yellow discoloration and downstream equipment fouling.
Solution Stability: Liquid formulations must be selected based on local ambient temperatures to ensure long-term stability without premature crystallization or sedimentation.
Dosing, Equipment Compatibility & Application
Optimum PH Range: Coagulation performance is maximized within a raw water pH range of 5.5 to 7.5.
Jar Testing Validation: Because water chemistry, alkalinity, and turbidity fluctuate seasonally, field dosage rates (typically 20 ppm to 100 ppm as liquid product) should be validated via preliminary jar testing.
Materials of Construction: Due to mild acidity (pH 3 to 4), handling and storage infrastructure-including dosing lines, pumps, and stationary tanks-must utilize compatible corrosion-resistant materials such as FRP, PVC, PE, or lined stainless steel.
Storage, Shelf Life & Safe Handling
Storage Conditions: Store in sealed, dedicated tanks in a cool, well-ventilated area. Protect from direct freezing temperatures to prevent crystallization. If crystallization occurs due to extreme cold, gentle heating and recirculation will restore homogeneity.
Handling Precautions: Use appropriate personal protective equipment including chemical-resistant gloves, eye protection, and protective clothing during offloading and maintenance.
Quality Assurance & Compliance Documentation
To ensure continuous plant operation without the need for constant dosing adjustments, manufacturing quality control protocols include:
Quantitative titration analysis for active alumina content.
Density hydrometer verification and insoluble residue filtration per batch.
Strict traceability through lot-specific Certificate of Analysis.
Comprehensive documentation packages including Technical Data Sheets and Safety Data Sheets provided with every commercial dispatch.
Packaging & Logistics
Intermediate Bulk Containers: 1,250 kg net capacity, suitable for medium-scale industrial facilities.
Bulk Tanker Trucks: 5 to 25 metric ton deliveries equipped for direct pump-off into stationary bulk storage vessels.
Export Readiness: Standardized export packaging with secure sealing and clear labeling to meet international transport requirements.
FAQ
Q: How does liquid aluminum sulfate compare to solid forms?
A: Liquid aluminum sulfate offers immediate operational readiness, eliminating solid bag handling, manual lifting, dust generation, and the requirement for an on-site dissolution tank system.
Q: What documents are provided prior to commercial dispatch?
A: Every shipment is accompanied by a Technical Data Sheet, Safety Data Sheet, and a lot-specific Certificate of Analysis confirming density, active content, pH, and impurity limits.
Q: Can this product be used alongside organic polymers?
A: Yes. Liquid aluminum sulfate is fully compatible with secondary anionic, cationic, or non-ionic polyacrylamide flocculants to enhance aggregate settling rates.
Q: What information is required to receive an accurate technical proposal?
A: To issue a precise commercial and technical proposal, please provide your target application, estimated annual consumption volume, preferred packaging type, destination port or delivery location, and any specific regulatory documentation requirements.
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