Sichuan Hongjian Xinyi Technology Co., Ltd.
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Sodium Bicarbonate/Baking Soda is an important inorganic salt and multifunctional food additive, renowned for its mild alkalinity, leavening properties, and exceptional safety profile. It plays a critical role in food processing, healthcare, household cleaning, and industrial manufacturing. Production primarily utilizes the Solvay process or refined natural soda ash method, achieving large-scale production through the reaction path: "Sodium Chloride + Ammonia + Carbon Dioxide → Sodium Bicarbonate + Ammonium Chloride."
❋ Aliases: Sodium Hydrogen Carbonate
❋ English Name: Sodium Bicarbonate / Baking Soda
❋ Chemical Formula: NaHCO₃
❋ Molecular Weight: 84.01
❋ CAS Number: 144-55-8
Key Properties: Mild alkalinity, decomposes to release CO₂ when heated, good water solubility, safe and non-toxic.
1. "Leavening Control Master" in Food Industry
Core leavening agent in baked goods: Reacts with acidic substances (citric acid, cream of tartar) to produce CO₂, achieving dough volume expansion up to 300% and forming uniform honeycomb structures.
Beverage pH balancer: Maintains pH at 6.0-7.0 in sports drinks, improving taste while stabilizing electrolytes.
Meat tenderizer: Enhances muscle fiber water retention by 25% by altering protein charge distribution, significantly improving meat tenderness.
2. "Versatile Regulator" in Pharmaceutical Health
Antacid preparation: 0.5% aqueous solution rapidly neutralizes stomach acid, increasing pH from 1.5 to 3.5 within 10 minutes, with sustained buffering for up to 2 hours.
Blood pH regulator: 4.2% solution for intravenous injection corrects metabolic acidosis with mild and lasting effects.
Dialysis buffer component: Maintains physiological pH range in peritoneal dialysis solutions, ensuring safe dialysis procedures.
3. "Green Purification Expert" in Environmental Management
Flue gas desulfurization agent: Reacts with SO₂ in circulating fluidized bed systems to form sodium sulfate, achieving desulfurization efficiency over 95%.
Wastewater pH regulator: Safer and more controllable than sodium hydroxide for treating acidic wastewater, with pH adjustment accuracy of ±0.2.
Heavy metal precipitant: Forms carbonate precipitates with heavy metal ions, achieving removal rates >99.8%.
4. "Functional Additive" in New Materials
Flame retardant filler: Thermal decomposition releases CO₂ and H₂O in polymers, increasing material limiting oxygen index to 32%.
Battery electrolyte additive: Serves as a CO₂ source in lithium-ion batteries, forming stable SEI films on the anode and extending cycle life to 2000 cycles.
3D printing support material: Water-soluble support structures achieve 100% removal rate without affecting main material performance.
Production Process Innovation
Developed "carbonation tower intelligent control system," achieving crystal size distribution concentration of 92% and product bulk density controlled at 0.8-1.0 g/cm³.
New "cold decomposition-carbonation" process for natural soda ash reduces energy consumption by 45% and increases product purity to 99.8%.
Purity Enhancement Technology
Food-grade product heavy metal content: Lead ≤1 ppm, Arsenic ≤2 ppm, compliant with both FDA and EFSA standards.
Pharmaceutical-grade product bacterial endotoxin ≤0.25 EU/mL, certified by USP/EP.
Green Manufacturing System
Solvay process ammonia recycling rate reaches 98.5%, with zero wastewater discharge system achieving full water resource recovery.
Carbon emissions per ton of product reduced by 35% compared to traditional processes, certified by ISO 14064.
Intelligent Quality Control
Machine vision particle size analysis system monitors product quality in real-time, with qualification rate ≥99.9%.
Blockchain traceability system records full-process data from raw materials to finished products, achieving 100% quality traceability.
Quality Advantages
Main content: 99.0%-100.5%
Moisture: ≤0.25%
Water-insoluble matter: ≤0.02%
Physical Characteristics
Appearance: White crystalline powder, fluidity ≥85%
Solubility: 9.6 g/100 ml water at 25°C
pH of 1% aqueous solution: 8.3±0.1
Application Support
Provides customized particle size (50-200 mesh) to meet different process requirements.
Professional technical team offers formula optimization and process improvement solutions.