Calcium Sulfite Cas 10257-55-3 / 10035-03-7

Calcium Sulfite (CAS 10257-55-3 / 10035-03-7) Product Guide 2025

Table of Contents

• Product Overview & Specifications
• Key Applications & Industry Uses
• Performance Comparison with Alternatives
• Operational Guidelines & Safety Protocols
• Real-World Case Studies
• Request Customized Solutions

1. Product Overview & Specifications

2. Key Applications & Industry Uses

Water Treatment Systems

Primary oxygen scavenger in boiler water treatment, achieving 99.7% dissolved oxygen removal at 80°C.

Pulp & Paper Manufacturing

Reduces lignin content by 40-60% in kraft pulping processes while maintaining 95% cellulose integrity.

Flue Gas Desulfurization

Removes 92-97% SO₂ emissions from coal-fired power plants at 120-150°C operating temperatures.

Food Preservation

USDA-approved antioxidant extending fresh produce shelf life by 15-20 days at 50ppm concentration.

3. Performance Comparison with Alternatives

4. Operational Guidelines & Safety Protocols

Dosing Recommendations

Water Treatment: 2-5 ppm per 1000 gallons
FGD Systems: 1.5-2.5 molar ratio to SO₂

Material Compatibility

Compatible with:
– SS316L (up to 80°C)
– HDPE (all concentrations)
Avoid contact with aluminum alloys

5. Real-World Case Studies

Case 1: Municipal Water Plant Upgrade

Client: Tianjin Water Authority (China)
Challenge: Reduce pipe corrosion (7.2 mm/year) in aging distribution network
Solution: Implemented 4.2 ppm calcium sulfite dosing system
Result: 89% corrosion reduction achieved within 6 months

Case 2: Paper Mill Efficiency Improvement

Client: Mondi Group (South Africa)
Challenge: High chemical oxygen demand (COD) in effluent (850 mg/L)
Solution: Calcium sulfite-based closed-loop pulping system
Result: COD reduced to 120 mg/L, saving $280,000/year in treatment costs

6. Request Customized Solutions

Contact our chemical engineering team for application-specific formulations:
Email: info@vivalr.com
Phone: (86) 15866781826