Zibo Dingqi Chemicals Co., Ltd. is one of the most experienced manufacturers and suppliers of technical grade aluminum sulfate in China. Welcome to wholesale high quality technical grade aluminum sulfate made in China here from our factory. For price consultation, contact us.
Product Overview
Technical Grade Aluminum Sulfate is an inorganic aluminum salt utilized in industrial and water treatment applications where aluminum-based coagulation or process chemistry is required.
The material is supplied in solid forms according to established manufacturing specifications. Product grade, aluminum content, physical form, and impurity limits must be selected based on the specific operating environment and end-use requirements.
For buyers evaluating chemical suppliers, operational reliability depends on consistent product specifications, batch traceability, physical form, packaging integrity, and technical documentation matching the actual use case.
Product Specifications
|
Parameter |
Specification / Confirmation |
|
Product Name |
Technical Grade Aluminum Sulfate |
|
Chemical Name |
Aluminum Sulfate |
|
Chemical Formula |
Al2(SO4)3 . nH2O |
|
Product Grade |
Technical Grade |
|
Physical Form |
Flake, Granular, Powder (Subject to availability) |
|
Aluminum Content |
Confirmed per product specification |
|
Al2O3 Content |
Confirmed per product specification |
|
Iron Content (Fe) |
Confirmed per product specification |
|
Water-Insoluble Matter |
Confirmed per product specification |
|
Particle Size |
Available range to be confirmed |
|
Solubility |
Dependent on product form and operating conditions |
|
Packaging |
Confirmed per order requirements |
|
Quality Documents |
COA and SDS available per product specifications |
Available Product Forms and Selection
Matching the correct physical form to your material handling and dissolution system is critical for operational efficiency.
Aluminum Sulfate Flake: Optimized for operations requiring a solid material for transport, general storage, and standard onsite dissolution. Key factors to confirm include flake size, Al2O3 content, and moisture protection.
Aluminum Sulfate Granular: Utilized in systems where specific particle size distribution and flowability impact automated storage or dry-feeder dosing performance.
Powdered Aluminum Sulfate: Offers a fine solid structure for specialized preparation requirements where rapid dissolution kinetics are necessary.
Main Applications
Water Treatment
Aluminum sulfate functions as an aluminum-based coagulant in water clarification processes. Hydrolysis reactions facilitate particle destabilization and floc formation to assist in suspended solids removal.
Typical Uses: Suspended solids removal, coagulation, flocculation, and industrial wastewater clarification.
Operational Note: Treatment efficacy depends on raw water quality, pH, alkalinity, temperature, and dosing control. Jar testing is recommended to establish optimal operating parameters.
Industrial Wastewater Treatment
Industrial effluent streams vary in chemical composition, pH, and contaminant profiles. Aluminum sulfate is integrated into treatment trains where aluminum coagulation is indicated.
Evaluation Criteria: Influent quality, target removal rates, pH range, chemical dosage, and sludge characteristics. Nominal grade alone does not dictate settling performance.
Paper Manufacturing
Applied in specific papermaking processes involving internal sizing and wet-end chemistry.
Procurement Focus: Purity levels, iron thresholds, physical form, and compatibility with the papermaking matrix.
Other Industrial Processes
Evaluated on a case-by-case basis for specific chemical processing applications requiring aluminum-bearing reactants.
Storage, Handling, and Dissolution Guidance
Proper handling ensures product stability and prevents operational downtime during onsite preparation.
Storage Conditions: Store in a cool, dry, well-ventilated area away from incompatible materials. Keep bags tightly sealed to prevent moisture absorption and caking.
Dissolution Practice: Solid forms should be dissolved in designated corrosion-resistant tanks (such as plastic-lined or stainless steel vessels) using proper agitation to achieve complete solution uniformity prior to dosing.
Production and Quality Verification
Manufacturing involves controlled chemical reactions, crystallization, drying, and automated packaging under standardized protocols.
Quality Checkpoints
Visual appearance and physical form consistency
Chemical composition and active component assay
Al2O3 concentration levels
Iron and impurity thresholds
Water-insoluble matter percentage
Particle size distribution analysis
Batch-specific COA generation
Packaging and Supply Chain
Packaging configurations are selected based on transportation logistics, storage duration, and material handling capabilities.
Available Options: Woven bags, plastic-lined bags, and flexible intermediate bulk containers (ton bags) subject to confirmation.
Logistics Considerations: Moisture barrier protection, palletization standards, container loading optimization, and export documentation.
FAQ
Q: Can technical grade aluminum sulfate be used for drinking water treatment?
A: No. Technical grade aluminum sulfate is manufactured for industrial processes and wastewater treatment. It does not automatically meet the purity standards, heavy metal limits, or regulatory certifications required for municipal drinking water or food-contact applications.
Q: How should caked solid aluminum sulfate be handled if exposed to moisture?
A: Solid aluminum sulfate is hygroscopic and can absorb atmospheric moisture during storage. If minor caking occurs, mechanical breaking or proper dissolution agitation in the makedown tank is typically required. To prevent caking, store bags tightly sealed in a dry environment and avoid prolonged exposure to humid air.
Q: What materials are recommended for storage and dissolution equipment?
A: Due to the acidic nature of aluminum sulfate solutions, dissolution tanks and transfer piping should be constructed from corrosion-resistant materials such as fiberglass reinforced plastic, polyethylene, polypropylene, or rubber-lined steel. Unprotected carbon steel is not recommended.
Q: What is the typical shelf life of solid aluminum sulfate under proper storage conditions?
A: When stored indoors in a cool, dry, and well-ventilated area with packaging kept intact, solid aluminum sulfate remains stable for a prolonged period. Shelf life largely depends on preventing moisture ingress, which can cause surface caking over time.
Q: What minimum order quantity and shipping terms are available for bulk orders?
A: Minimum order quantity and shipping terms vary depending on the product form, packaging configuration, and destination port. Submit your required quantity and delivery location to receive specific commercial terms.
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