Zibo Dingqi Chemicals Co., Ltd. is one of the most experienced manufacturers and suppliers of water treatment grade ferrous sulfate monohydrate in China. Welcome to wholesale high quality water treatment grade ferrous sulfate monohydrate made in China here from our factory. For price consultation, contact us.
Product Overview
Water Treatment Grade Ferrous Sulfate Monohydrate (FeSO4·H2O) is an inorganic iron salt utilized in selected water and wastewater treatment processes, including chemical precipitation and phosphorus removal.
Suitability for a specific application depends on water chemistry, target contaminants, treatment design, and required product purity. For industrial and project-based procurement, essential criteria such as ferrous iron content, impurity limits, physical form, and batch documentation must be verified against system requirements prior to full-scale deployment.
Product Specifications & Technical Data
|
Technical Item |
Specification Standard |
|
Product Name |
Water Treatment Grade Ferrous Sulfate Monohydrate |
|
Chemical Name |
Ferrous Sulfate Monohydrate |
|
Chemical Formula |
FeSO4·H2O |
|
Molecular Weight |
169.93 g/mol |
|
Iron State |
Ferrous Iron (Fe2+) |
|
Physical Form |
Crystalline Powder / Granular Solid |
|
Purity |
Confirmed per agreed technical specification |
|
Ferrous Iron Content |
Verified via Certificate of Analysis (COA) |
|
Moisture Content |
Controlled per production standard |
|
Insoluble Matter |
Minimized for water treatment compatibility |
|
Packaging Configuration |
Multi-wall bags / Bulk bags (Jumbo bags) |
Water Treatment Applications
Phosphorus Removal in Wastewater
Ferrous sulfate serves as a soluble iron source in chemical phosphorus removal systems.
Reaction Mechanism: Ferrous ions (Fe2+) react with dissolved phosphate species under controlled pH and oxidation conditions to form sparingly soluble iron-phosphate precipitates.
Process Factors: Performance is influenced by initial phosphate concentration, system pH, dissolved oxygen levels, and downstream solid-liquid separation efficiency.
Application Note: Jar testing or pilot-scale evaluation is recommended when integrating this chemical into new biological or chemical treatment trains.
Industrial Wastewater Treatment and Precipitation
Industrial facilities utilize iron-based salts for targeted reduction and precipitation reactions.
Function: Effective in precipitating specific heavy metals, reducing hexavalent chromium, and breaking complex emulsions in industrial effluent.
Evaluation Criteria: Operating parameters such as oxidation-reduction potential (ORP), baseline pH, and chemical compatibility must be assessed to optimize treatment outcomes and minimize secondary sludge generation.
Dosing and Handling Guidelines
Dissolution: Typically dissolved in water to prepare a liquid feed solution prior to dosing, or fed directly via calibrated dry chemical feeders depending on system design.
Material Compatibility: Storage and feeding systems (tanks, pumps, and piping) must utilize corrosion-resistant materials such as stainless steel or approved polymers to withstand acidic iron salt solutions.
Safety Precautions: Operators must follow guidelines outlined in the Safety Data Sheet (SDS), utilizing appropriate personal protective equipment to avoid skin and eye contact.
Quality Control and Documentation
Technical Data Sheet (TDS): Outlines physical and chemical properties.
Certificate of Analysis (COA): Verifies batch-specific test results, including purity and iron assay.
Safety Data Sheet (SDS): Details safe handling, personal protective equipment, and storage guidelines.
Packaging and Logistics Data: Confirms palletization, net weights, and container loading capacities.
Manufacturing and Quality Assurance
Process Control: Production involves controlled crystallization and drying steps designed to maintain consistent crystal structure and minimize free moisture.
Batch Testing: Every production lot undergoes analytical testing for iron assay, moisture content, and insolubles prior to packaging.
Storage Stability: Stored in dry, weather-protected facilities to prevent caking and preserve product integrity.
Packaging and Logistics
Packaging Options: Available in moisture-resistant multi-wall paper bags or heavy-duty industrial bulk bags (jumbo bags) configured to protect the product during ocean freight.
Storage Requirements: Keep containers tightly sealed in a cool, dry, and well-ventilated area away from moisture and incompatible materials.
FAQ
Q: What is the primary use of ferrous sulfate monohydrate in water treatment?
A: It is used primarily as an iron coagulant and precipitating agent for chemical phosphorus removal and heavy metal precipitation in municipal and industrial wastewater treatment plants.
Q: How does monohydrate differ from heptahydrate in chemical dosing?
A: Monohydrate contains one water molecule, resulting in a higher concentration of active iron per unit weight compared to heptahydrate. Dosing systems must be calibrated based on the actual iron assay rather than bulk product weight.
Q: What documents are provided with a commercial shipment?
A: Each shipment includes a batch-specific Certificate of Analysis (COA), bill of lading, packing list, and corresponding Safety Data Sheet (SDS).
Q: How should ferrous sulfate monohydrate be stored?
A: It should be stored in a cool, dry, well-ventilated area in tightly sealed packages to protect against moisture absorption and caking.
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