Products

Sodium Aluminate [Solution]

    • Product Name: Sodium Aluminate [Solution]
    • Alias: sodium-aluminate-solution
    • Einecs: 215-100-1
    • Mininmum Order: 1 g
    • Factroy Site: Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry: admin@ascent-chem.com
    • Manufacturer: Ascent Petrochem Holdings Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    819462

    Chemical Name Sodium Aluminate [Solution]
    Chemical Formula NaAlO2 (in solution)
    Appearance Clear to slightly hazy liquid
    Color Colorless to pale yellow
    Odor Odorless
    Ph Highly alkaline (typically 12-14)
    Solubility In Water Completely miscible
    Density 1.3 - 1.5 g/cm³ (varies with concentration)
    Boiling Point 100°C (approximate, as aqueous solution)
    Freezing Point -5 to 0°C (depends on concentration)
    Molecular Weight 81.97 g/mol (anhydrous NaAlO2)
    Specific Gravity 1.3 - 1.5 (varies with concentration)
    Cas Number 11138-49-1
    Flammability Non-flammable
    Stability Stable under normal conditions

    As an accredited Sodium Aluminate [Solution] factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Sodium Aluminate Solution is packaged in a 25-liter high-density polyethylene (HDPE) drum with a secure screw-cap and proper hazard labeling.
    Shipping Sodium Aluminate [Solution] is shipped in corrosion-resistant containers such as plastic drums or totes. It is classified as non-hazardous but should be handled with care due to its alkaline nature. Ensure containers are tightly sealed, upright, and protected from physical damage during transport. Follow local and international shipping regulations.
    Storage Sodium Aluminate [Solution] should be stored in tightly closed, corrosion-resistant containers, preferably made of polyethylene or lined steel. Keep in a cool, well-ventilated area, away from acids, moisture, and incompatible materials. Protect from freezing and direct sunlight. Ensure containers are clearly labeled and equipped with secondary containment to prevent leaks or spills. Store in accordance with local regulations.
    Application of Sodium Aluminate [Solution]

    Applications of Sodium Aluminate Solution in Industrial Manufacturing

    Sodium aluminate solution produced by our facility is widely integrated into diverse industrial sectors as an essential reagent, contributing chemical reactivity, alkalinity, or alumina value. Highlighted below are the principal downstream application tracks, each with its own regulatory framework, dosage regime, process stage, and finished-product linkage.

    1. Water Treatment for Municipal and Industrial Effluent

    Major municipal drinking water plants and industrial wastewater operators incorporate sodium aluminate solution as a coagulant aid in precipitation processes, boosting removal of suspended solids and targeting phosphorus, color, and turbidity reduction. The product interacts with dissolved and particulate matter, forming stable flocs in conjunction with ferric or aluminum salts. Facilities optimize dosing during raw water entry or post-filtration correction, ensuring treated water compliance.

    Industry compliance standards

    • EN 883: Chemicals for treatment of water intended for human consumption—Sodium aluminate
    • American Water Works Association (AWWA) B405-18
    • US EPA National Primary Drinking Water Regulations
    • ISO 9001:2015 Quality Management Systems

    Typical usage ratio

    • Dosage range: 5–35 mg Al/L, actual dosing based on raw water turbidity, phosphorus loading, and coagulant pairing
    • Higher ratios applied for high-strength industrial effluents or during seasonal water quality changes

    Downstream process integration

    • Inline injection before rapid mixing tanks
    • Co-dosing with aluminum sulfate or ferric chloride in chemical precipitation
    • Treatment step placement after pre-chlorination and before sedimentation basins

    Final product types

    • Drinking water compliant with WHO and EPA limits
    • Discharged industrial effluent with reduced phosphate and turbidity
    • Dewatered sludge for agricultural application or landfill

    2. Pulp and Paper Manufacturing (Paper Sizing & Bleaching)

    Pulp and paper mills employ sodium aluminate solution in the paper sizing process, where it reacts in-situ with rosin soap to create aluminum-resinate complexes that improve paper's moisture resistance and printability. In bleaching, it acts as a pH regulator and alumina source to optimize brightness while minimizing cellulose degradation. Formulation and dosing depend on pulp consistency and rosin demand, with continuous monitoring to meet final product specifications for brightness and surface properties.

    Industry compliance standards

    • ISO 8192:2018 for Paper, board, pulps–Sampling
    • FDA 21 CFR 176.170 (Paper and paperboard in contact with aqueous and fatty foods)
    • ISO 9001:2015 for mill quality assurance
    • Ecolabel criteria for paper production

    Typical usage ratio

    • Paper sizing: 0.3–1.2% sodium aluminate solution (as Al₂O₃) by dry pulp weight
    • Bleaching: Dosed to maintain pH 7–8.5, adjusted for pulp bleaching sequence

    Downstream process integration

    • Dosage occurs during or after pulp washing stage, before paper forming section
    • Injected inline with rosin sizing, with feedback control
    • Integrated in multi-stage bleaching lines as part of chemical makeup system

    Final product types

    • Wood-free fine papers with enhanced printability
    • Packaging boards with controlled surface absorbency
    • High-brightness specialty papers

    3. Zeolite and Molecular Sieve Production

    Zeolite synthesis plants use sodium aluminate solution as the primary aluminum source in hydrothermal crystallization of molecular sieves and synthetic zeolites. Its controlled reactivity enables precise composition control for framework structures like zeolite A, X, and Y. Accurate dosing ratios, solution pH, and temperature management during geopolymerization are critical for particle morphology, purity, and adsorption performance, directly affecting quality and downstream certification for specialized applications.

    Industry compliance standards

    • ISO 9001:2015 for specialty chemical synthesis
    • USP–NF for pharmaceutical-grade zeolites (where applicable)
    • EU Food Contact Materials Regulation (EC) No 1935/2004 for food and pharma sorbents
    • REACH registration for supply in the EU

    Typical usage ratio

    • Al:Si feed molar ratio commonly ranges from 1:1 to 1:4—modulated for final crystal form
    • Aluminate solution dosage depends on zeolite type and crystallization batch size

    Downstream process integration

    • Charged directly to hydrothermal reactors during initial mixing
    • Mixed with sodium silicate under temperature and pH control
    • Integrated into continuous or batch crystallization lines

    Final product types

    • Detergent-grade zeolite A powders and granules
    • Petrochemical molecular sieves (X, Y types)
    • High-purity zeolites for adsorption, catalysis, and air separation

    4. Construction: Accelerators for Concrete and Shotcrete

    Manufacturers of admixtures for ready-mix concrete and shotcrete leverage sodium aluminate solution as an alkali-activated setting accelerator, especially for sprayed concrete applications in tunneling and mining. The strongly alkaline and alumina-rich composition shortens setting times, reduces rebound, and enhances early compressive strength. Careful formulation matching the cement chemistry, aggregate reactivity, and project climate determines final accelerator dosage and integration point.

    Industry compliance standards

    • EN 934-2: Admixtures for concrete, mortar, and grout—Concrete admixtures
    • ASTM C494/C494M: Standard Specification for Chemical Admixtures for Concrete
    • ISO 9001:2015 in batch and continuous mixing plant QC systems
    • EU Safety Data Sheet (SDS) compliance for site application

    Typical usage ratio

    • Concrete accelerator: 2.0–8.0% by weight of cement, adjusted for ambient temperature and cement reactivity
    • Higher end ratios in low-temperature or rapid-setting scenarios

    Downstream process integration

    • Batched into admixture blends at mixing plants, or dosed directly at shotcrete nozzle
    • Integrated within automated batching systems for large infrastructure projects
    • Injected with precise flow rates to synchronize with cement and aggregate streams

    Final product types

    • Accelerated-set structural concrete for tunnels, mines, and bridges
    • Premixed packaged shotcrete products
    • Precast concrete elements with optimized early strength

    5. Titanium Dioxide Pigment Production (Precipitation & Refining)

    Titanium dioxide pigment producers use sodium aluminate solution as an "alumina coating" agent during post-precipitation surface treatment, improving pigment dispersibility, hiding power, and weather resistance. The controlled introduction of aluminate under specific pH and temperature conditions promotes uniform deposition of alumina on TiO₂ particles, which is essential for both sulfate and chloride process pigment grades. Dosing precision directly affects pigment optical properties and long-term durability.

    Industry compliance standards

    • ISO 591:2020–1 and ISO 787 for TiO₂ pigment quality
    • REACH registration for titanium pigments and auxiliary chemicals
    • EU (EC) No 1223/2009—Cosmetic Regulation for TiO₂ in personal care products
    • ISO 9001:2015 in pigment and coating QC

    Typical usage ratio

    • Al₂O₃ coating level: 1.0–5.0% by TiO₂ mass, controlled by pigment grade and intended application
    • Adjustment determined via ongoing particle size and surface area analysis

    Downstream process integration

    • Added during post-hydrolysis slurry stabilization
    • Pumped into pigment reactors prior to filtration and drying
    • Monitored through inline particle analysis and surface chemistry control

    Final product types

    • Rutile and anatase TiO₂ pigment for paints, inks, and plastics
    • High-durability TiO₂ for automotive finishes
    • Cosmetic and food-contact safe pigments (where regulations permit)

    6. Catalyst Preparation for Petrochemical and Refinery Applications

    Catalyst manufacturers integrate sodium aluminate solution into the precursor preparation steps for specific hydrotreating, desulfurization, and selective catalytic reduction (SCR) catalysts. The precise alumina content and alkalinity support the formation of uniform, active catalytic substrates, with careful coordination of temperature, mixing, and aging conditions influencing catalyst structure, porosity, and performance in fixed- or fluidized-bed reactors. Compliance and batch traceability are ensured throughout production for automotive and refinery reliability.

    Industry compliance standards

    • ISO 9001:2015 for catalyst manufacturing operations
    • API 936: Refractory Installation Quality Control
    • REACH/CLP (EU) Regulation for catalyst raw materials
    • ASTM D5151: Catalyst carrier and support characterization standards

    Typical usage ratio

    • Aluminate input: 3–12% Al₂O₃ equivalent in catalyst precursor mass, tailored to specific formulation and desired surface properties
    • Batch size and reactor type guide adjustments

    Downstream process integration

    • Pumped into slurry preparation for co-precipitation of alumina matrices
    • Key input in spray drying or extruder loading for shaped catalyst bodies
    • Integrated with ion exchange or metal impregnation steps

    Final product types

    • Hydrotreating and hydrocracking catalysts for fuel refining
    • Sulfur removal units for petrochemicals
    • SCR catalyst monoliths for industrial NOx abatement

    Free Quote

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    Email: admin@ascent-chem.com

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    Certification & Compliance
    More Introduction

    Sodium Aluminate Solution: Reliable Alkali for Practical Applications

    What Sets Sodium Aluminate [Solution] Apart in Industrial Chemistry

    Sodium aluminate solution holds a special place in our production lineup because we see, every day, the way industries depend on a trustworthy, concentrated alkali. Our model—clearly labeled for straightforward dosing—provides consistent, stable performance batch after batch. We meet requests for a standard solution in the range of 40% Al₂O₃ by weight, though minor adjustments can be made based on application needs. Each batch gets tested for clarity, density, and the right ratio of sodium oxide to alumina, with the product typically arriving as a slightly viscous, colorless to transparent liquid. This clarity helps operators spot contamination right away—no guessing, no extra testing on the client side.

    Unlike dry-grade sodium aluminate, the solution form offers a direct feed into mixing tanks and reaction vessels. No dust means no mess on factory floors. Operators don’t need to handle respirators or brush off powder from clothing—there’s simply less disruption. Bulk solutions move smoothly through pump and piping setups, reducing downtime. Our experience in controlling free caustic levels ensures minimal pipe scaling in customer facilities, which cuts out the need for frequent acid washing. If your process requires rapid and even dispersion with water or other aqueous feeds, the solution’s free-flowing nature outperforms granular forms every time.

    Why Product Consistency Matters for Our Customers

    Coming directly from our own reactors, we watch the chemistry unfold as sodium hydroxide reacts with high-purity alumina hydrate. Our team pays close attention to reaction temperature and pH, guided by the same lab staff who conduct ongoing process checks for each batch. This tight control has a real impact—municipal clients treating drinking water can count on the same clarity and basicity for each delivery. In water treatment, small changes in the alumina content affect outcomes; our customers keep us in the loop whenever their process spec changes, so we can adapt right away.

    Our technical support staff have spent years helping water treatment engineers fine-tune their dosing processes. Their feedback shaped improvements in our filtration, so the solution holds up in processes where clarity means less risk to filtration membranes. We know firsthand that factories with complex dosing systems need reliable product delivery. So, we schedule direct shipments and adjust logistics as needed for plant turnarounds or emergency orders.

    How We Address the Reality of Handling Alkalis

    Sodium aluminate solution, by nature, demands careful handling. It heats up through exothermic reaction, and it eats through skin and eyes if splashed. From decades of direct work with this material, we’ve seen the best and worst of solutions for storage and transfer. For plant operators, it pays to maintain lined tanks—HDPE, PP, or rubber-lined steel outlast regular steel and even some grades of stainless. Secondary containment and proper venting prevent leaks and foamovers from causing injuries. We keep documentation up-to-date with regulatory shifts, and safety sheets always stay within arm’s reach in our own warehouses.

    Unloading becomes safer with closed transfer systems—a lesson hard-learned from cleanup headaches back when valve connections weren’t standardized. Today, we provide customers with compatible gaskets and fittings ahead of the first delivery to avoid ambiguity. Each installation brings surprises, and we frequently consult over the phone with maintenance teams on-site when unexpected blockages or pump incompatibilities crop up. Sharing practical solutions—purging lines with water before letting the solution sit, regularly inspecting pump seals—saves days of frustration down the line.

    The Value Sodium Aluminate Solution Brings to Water Treatment

    Our team supplies sodium aluminate solution to towns and industrial clients needing improved water quality. Aluminum salts—in the right form—excel at removing dissolved solids and organic matter that lead to cloudy, foul-smelling water. Unlike traditional aluminum sulfate, our solution doesn’t drag the pH down as far, so operators use less supplemental alkali. Local regulations often urge plant operators to lower residual aluminum in treated water. The right sodium-aluminate-to-acid ratio leads to faster floc development, often at a lower dose than alum. In real-world applications, that means less residual filter cake and reduced sludge disposal costs.

    For municipal teams, consistency wins over theoretical purity. Operators have flagged botched deliveries of inferior solution from resellers—pH spikes, low clarity, incomplete precipitation. Direct supply from manufacturer to plant avoids these pitfalls, and technical staff visiting plants can troubleshoot on the spot. Process optimization gets a leg up from routine jar testing, which we often assist on-site. This saves time during seasonal changes or source water switches, when clarifier loading rates shift. In our own experience, sodium aluminate solution proves especially valuable during high-turbidity events, when river input brings sediment spikes. Plant teams notice faster settling, and less need for polymer add-ons.

    Sodium Aluminate Solution in Industrial Effluents and Paper Manufacturing

    Beyond municipal water, our solution finds its way into the treatment of spent wash, leachates, and oily wastewaters. Food processors use it to pull out fats, oils, and grease, while manufacturers of specialty chemicals use it to scavenge phosphates. Many industries care about limiting the introduction of sulfate or chloride ions—unlike some coagulants, sodium aluminate solution side-steps this issue. When industrial effluent standards change, plants need to re-balance pH and demand shorter flocculation times. Our team has spent countless hours walking customers through mid-process adjustments, often running benchtop tests using samples shipped overnight.

    Paper mills process large streams of water, and controlling pitch and fiber carryover is essential for smooth operation. Over the years, we’ve refined crystal formation in our solution to deliver a finer, more reactive product for this market. Mill operators tell us when they have buildup in screens or unscheduled downtimes, and we respond by adjusting dosing curves and troubleshooting upstream processes. Sodium aluminate produces a more neutral pH profile than alum, which results in brighter, more uniform product runs on the paper machine.

    Comparing Solution Grade with Solid Sodium Aluminate

    Clients sometimes wonder about using solids instead of liquid. We’ve supplied both for decades and know the logistical tradeoffs inside-out. Solid sodium aluminate requires careful dissolution—dust management, prolonged mixing, and filtration of fines. For small plants, powder sometimes makes sense for on-demand mixing, but our larger customers prefer ready-to-feed solution for fast throughput. Dissolving solids can cool water and change viscosity; customer feedback points to more consistent results and less reaction lag from solution. Managing powder bags also leads to higher labor costs, greater storage risk, and long-term waste from deteriorated packaging.

    Solution form cuts down risk for operators with less chemical experience. No powder clouds in the air means overall lower exposure. Automatic tank level sensors and bulk metering keep human contact to a minimum. For continuous dosing systems, solid forms just can’t match the ease of remote monitoring and hands-free operation.

    Environmental Responsibility and Sodium Aluminate Applications

    Chemical plants like ours watch water usage, runoff, and waste handling closely. Sodium aluminate solution leaves no insoluble residue within our plant; any spill or leak can be diluted and neutralized with weak acid and run through our internal waste system. Used correctly in water treatment facilities, it reduces heavy metals and suspended solids without introducing persistent by-products. Discharge water from these plants passes strict limits before release. We’ve invested in recovery and reuse systems that capture rinse water from tank cleaning and return it to the main process. Our batch records reflect ongoing efforts to minimize tank changeovers and reduce dead volume losses.

    Each industrial client’s process brings its own environmental pressures. We work with agriculture runoff projects where a surge in phosphorus triggers algae blooms—our product gives clear, measurable improvement in phosphorus removal. Industrial customers monitoring total dissolved solids watch for aluminum or sodium accumulation; accurate dosing based on real samples limits those risks. For us, protecting both operator safety and local ecosystems isn’t just about compliance—it’s about respect for the communities who trust us to get things right.

    Technical Support: Working with Customers, Not Just Shipping Product

    Being a manufacturer brings us close to the field issues plant operators face. Many procurement managers and engineers know the frustration of finding service calls routed overseas or through unrelated middlemen. From our facility, we field daily calls from maintenance crews, plant managers, and water treatment consultants in need of real troubleshooting. Whether it’s flow sensor malfunctions or uncertain results on jar tests, we’ve been there ourselves—sorting out surprises during night shifts or rainstorms when process water turns unexpectedly.

    We train our technical staff to ask direct questions—about pipe runs, tank coatings, venting arrangement—because the difference between a fast fix and a costly mistake is usually found in small details. That real-world experience pays dividends in downtime savings. Our commitment extends to sending field reps out to customer sites, rolling up sleeves alongside operators for installations or first start-ups. That’s the sort of support that moves beyond selling—building partnerships on shared knowledge, and learning from each installation to shape future batches.

    Regulatory Compliance and Quality Assurance

    In chemical manufacturing, trust gets built on traceability. Each batch of sodium aluminate solution goes through defined QC checks—ranging from density and pH, to full assays for sodium and alumina. Batches get archived samples, logged into our own in-house system for future review. For industries governed by EPA or local rules on residual metals, full batch records stand ready for audit at any time.

    We keep our staff trained on the evolving regulations that govern food contact applications and drinking water additives. Our operations staff participate in annual reviews to ensure all production meets relevant standards, and process records get kept for years. We’ve had occasions where newly enacted guidelines trigger urgent plant reviews—being a direct producer lets us adapt quickly, changing blends without waiting for outside approval. This responsiveness supports customers who rely on just-in-time deliveries and dynamic process changes.

    Improvements Because of Direct Manufacturer Feedback

    Years on the production line have taught us there’s real value in supporting the technical side beyond a simple delivery. We’ve developed better color standards and filtration techniques thanks to on-site plant visits. Customer feedback on sludge removal, pH drift, and pump compatibility flows right back to our production floor. Upgrades in raw material tracking, digital batch tracing, and tank lining standards all came from practical industry requests. We don’t operate through distant call centers; our technical lines run right to the experts in our control rooms.

    Recent years brought packaging improvements based directly on driver feedback—reinforced drums, improved venting for warm weather, larger valves for faster unloading. These might not sound ground-breaking, but in day-to-day operations, they reduce bottlenecks and cut the risk of costly spills or injuries. Our product development never strays far from operator experience: we test every packaging change in our own loading bays before offering it to customers.

    Final Thoughts on Sodium Aluminate Solution from a Manufacturer’s Viewpoint

    We’ve watched sodium aluminate solution earn its reputation in a range of industries—from keeping drinking water clear to supporting high-speed paper machines. Its main edge comes from the direct reliability and ease-of-use that liquid format brings, backed by a stable and precise formulation crafted by a team who know its properties inside and out. By focusing on operations, logistics, technical support, and real regulatory compliance, we deliver more than a chemical; we bring assurance directly from our plant floor to the customer’s process.

    Our connection to the end-use environment keeps our teams alert and ready to adapt to new challenges—whether it’s a spike in demand during heavy rains or the need to meet stricter effluent rules. Real trust grows from seeing that the solution in the tank always matches spec, the lines stay clear, and support stands ready for every unexpected bump in the road. Working at the intersection of production, delivery, and daily operations gives us a practical point of view that shapes every batch and every conversation with customers old and new.

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