Sodium bicarbonate (NaHCO₃), commonly known as baking soda, is a versatile inorganic chemical with weak alkalinity, good watersolubility and thermaldecomposition property. Industrialgrade sodium bicarbonate (purity ≥99.5%) is widely adopted in environmental protection, rubber manufacturing, detergent production, surface treatment, fire protection, textile printing & dyeing, petroleum and metallurgy industries. Different particle sizes (200800 mesh) can be customized for diverse process requirements.
1. FlueGas Desulfurization & Acid Gas Removal (SDS DrySorbent Injection)
This is one of the fastestgrowing industrial applications for sodium bicarbonate. Superfine sodium bicarbonate powder is injected directly into flue gas duct at 100250℃. It decomposes rapidly into active sodium carbonate, CO₂ and water: 2NaHCO₃ → Na₂CO₃ + H₂O + CO₂ Freshformed sodium carbonate reacts with SO₂, SO₃, HCl, HF in exhaust gas to form stable sodium salts, removing acid pollutants from flue gas.
Main scenarios: wastetoenergy plants, cement kilns, industrial boilers, steel and coking factories. Advantages: High desulfurization efficiency (>95%), no wastewater generation, small footprint, simple system retrofitting compared with limestonegypsum wet process.
2. Industrial WasteWater & Circulating Water Treatment
Thanks to its excellent buffer capacity, sodium bicarbonate adjusts pH gently without sharp pH jump, different from strong alkali such as NaOH. Neutralize acidic industrial wastewater, stabilize waterbody alkalinity. Promote precipitation of heavymetal ions (Cu, Pb, Cd) for heavymetal wastewater treatment. Adjust alkalinity for circulating cooling water, reduce pipeline corrosion. Used in drinkingwater plant to stabilize finishedwater pH and mitigate pipenetwork corrosion.
3. Rubber & Foam Material Industry — Blowing Agent
Sodium bicarbonate acts as ecofriendly inorganic blowing agent for sponge rubber, foam rubber, soft rubber products. During vulcanization, heat triggers decomposition to release CO₂ gas, creating uniform microporous structure inside rubber. Products gain lighter weight, better elasticity and shockabsorbing performance. Advantage: Decomposition products are nontoxic and noncorrosive, less damage to moulds than organic blowing agents.
4. Detergent & Cleaningproduct Raw Material
Industrial sodium bicarbonate is a key raw material for powder detergents, industrial washing agents and heavyduty cleaners: Provide mild alkalinity to boost surfactant cleaning performance. Watersoftening function, reduce consumption of surfactants caused by calciummagnesium ions. Odorneutralizing effect; mild abrasive for metal surface pretreatment. Suitable for industrial laundry, dishwashing formulations and metalpart cleaning.
5. Soda Blasting (Abrasive Blasting)
Sodium bicarbonate is the blasting medium for sodablasting technology. Under compressed air, fine particles remove paint, rust, oil stains and carbon deposits from metal, brick and equipment surfaces. Key benefit: Nondestructive blasting. It removes contaminants without scratching or damaging base material, widely used for equipment renovation, mold cleaning, aircraft and machinerypart restoration.
6. FireFighting Industry
Main raw material for BCtype drychemical fire extinguishing agents. When exposed to flame, it decomposes endothermically, releases CO₂ to dilute oxygen, and interrupts combustion freeradical chain reaction. Suitable for flammableliquid fire and liveelectricalequipment fire.
7. Textile Printing & Dyeing / Leather Tanning
Textile: pH buffer agent for dye bath, prevent uneven color defect; wool scouring agent for textile finishing. Leather tanning: Adjust soakingbath pH, keep hide fiber flexible, improve dye uptake of leather products.
8. Metallurgy, Machinery & Petroleum Industry
Metallurgy: Flux for steelcasting, improve slag fluidity, separate impurity from molten steel to improve ingot purity. Machinery casting: Modify sandmold performance, improve collapsibility of casting sand, reduce castingdefect rate. Oilgas drilling: Treat cementcontaminated drilling mud, precipitate calcium ion, restore mud rheological property; emergency neutralizer for acidspill accidents.
Key Procurement Reminders for IndustrialGrade Sodium Bicarbonate
Industrial grade cannot replace foodgrade for foodrelated production.
Particle size matters: 200800 mesh ultrafine powder required for fluegas desulfurization to secure reaction efficiency.
Storage: Seal and keep dry, avoid moisture and caking.
Available documents: COA, MSDS, full export documents for customs clearance.
Packaging: 25kg / 50kg woven bags, IBC 1000kg tote, custom packing acceptable.
If you are seeking bulk industrialgrade sodium bicarbonate with stable quality and competitive FOB price, welcome to send inquiries for quotation and technical support.
