HYDRATED LIME
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Hydrated Lime (Calcium Hydroxide)
Premium Quality Hydrated Lime (Calcium Hydroxide) – High-Performance Alkaline Chemical & pH Adjustment Agent for Water Treatment, Industrial Processing, Construction Applications &
✅ Premium Alkaline Chemical – Superior pH Control & Acid Neutralization Properties
✅ Multiple Grades Available – Various Purity Levels for Specific Applications
✅ Excellent Performance Properties – High Reactivity, Controlled Dissolution, Superior Effectiveness
✅ Multi-Industry Compatible – Enhanced Water Treatment, Construction, Steel Manufacturing & Environmental Applications
✅ Quality Assured – Established Application Guidelines Supporting Optimal Performance
Description
High-Quality Hydrated Lime (Calcium Hydroxide)
Hydrated Lime (Calcium Hydroxide), with chemical formula Ca(OH)₂ and CAS number 1305-62-0, available in various purity levels ranging from 90% to 99% Ca(OH)₂ content, is a specialized alkaline compound appearing as fine white powder with excellent water solubility and outstanding chemical reactivity. Calcium hydroxide (traditionally called slaked lime) is an inorganic compound with the chemical formula Ca(OH)2. It is a colorless crystal or white powder and is produced when quicklime (calcium oxide) is mixed with water. Annually, approximately 125 million tons of calcium hydroxide are produced worldwide. Hydrated Lime represents one of the most effective alkaline chemicals and pH control agents, providing exceptional acid neutralization, outstanding water softening capability, superior flue gas treatment performance, and excellent construction applications, making it essential for water treatment plants, steel mills, construction projects, environmental remediation, chemical processing, and industrial applications requiring high-performance alkalinity control characteristics and reliable neutralization behavior.
At Chemicals & Process Equipment Limited, we supply high-performance Hydrated Lime (Calcium Hydroxide) manufactured under stringent quality control standards and international water treatment, construction, industrial processing, and environmental specifications. Our comprehensive product range includes various purity grades, particle sizes, and specialized formulations meeting diverse requirements for drinking water treatment, wastewater neutralization, construction mortar, steel manufacturing, environmental remediation, and specialized chemical applications across global water treatment, construction, steel, and environmental markets.
✅ Advanced Alkaline Technology – Optimized Reactivity & Multi-Industry Applications
✅ Consistent Quality Standards – Multiple Product Classifications with Comprehensive Documentation
✅ Essential pH Control Agent – Superior Water Treatment, Construction & Environmental Performance
✅ Multi-Industry Applications – Water Treatment, Construction, Steel Manufacturing, Environmental Remediation
✅ Technical Support Package – Complete Application Guidance & Performance Optimization
The global hydrated lime market was valued at approximately USD 28.5 billion in 2023 and is projected to reach USD 38.2 billion by 2030, growing at a CAGR of 4.2% during the forecast period. Market expansion is driven by increasing water treatment requirements, growing construction activities, expanding steel production, rising environmental remediation needs, and advanced alkaline treatment technologies requiring high-performance hydrated lime solutions.
Technical Specifications & Hydrated Lime (Ca(OH)₂) Properties
| Property | Food Grade | Technical Grade | Construction Grade | Steel Grade | High Purity | Environmental Grade |
|---|---|---|---|---|---|---|
| Ca(OH)₂ Content (%) | 96-99 | 90-96 | 85-95 | 90-98 | 98-99.5 | 92-98 |
| Available Lime (%) | 95-98 | 88-95 | 82-93 | 88-96 | 97-99 | 90-96 |
| CaO Equivalent (%) | 72-75 | 67-72 | 63-71 | 67-73 | 74-76 | 69-73 |
| pH (1% slurry) | 12.2-12.6 | 12.0-12.5 | 11.8-12.4 | 12.0-12.6 | 12.3-12.7 | 12.0-12.4 |
| Specific Gravity | 2.21-2.24 | 2.18-2.23 | 2.15-2.22 | 2.19-2.24 | 2.22-2.25 | 2.17-2.22 |
| Bulk Density (kg/m³) | 400-600 | 350-550 | 300-500 | 380-580 | 450-650 | 320-520 |
| Surface Area (m²/g) | 15-25 | 10-20 | 8-18 | 12-22 | 18-28 | 10-20 |
| Particle Size (d50, μm) | 3-8 | 5-15 | 10-30 | 4-12 | 2-6 | 8-20 |
| Fineness (+325 mesh, %) | <2 | <5 | <15 | <3 | <1 | <8 |
| Moisture Content (%) | <0.5 | <1.5 | <2.5 | <1.0 | <0.3 | <2.0 |
| Loss on Ignition (%) | 23-25 | 22-26 | 20-28 | 23-26 | 24-26 | 21-27 |
| Insoluble Residue (%) | <0.5 | <2.0 | <5.0 | <1.5 | <0.3 | <3.0 |
| Silica (SiO₂) (%) | <0.3 | <1.5 | <3.0 | <1.0 | <0.2 | <2.5 |
| Iron Oxide (Fe₂O₃) (%) | <0.1 | <0.5 | <1.5 | <0.3 | <0.05 | <1.0 |
| Aluminum Oxide (Al₂O₃) (%) | <0.1 | <0.8 | <2.0 | <0.5 | <0.05 | <1.5 |
| Magnesium Oxide (MgO) (%) | <0.5 | <2.5 | <5.0 | <2.0 | <0.3 | <3.5 |
| Sulfur Trioxide (SO₃) (%) | <0.1 | <0.5 | <1.0 | <0.3 | <0.05 | <0.8 |
| Carbon Dioxide (CO₂) (%) | <1.0 | <3.0 | <5.0 | <2.5 | <0.8 | <4.0 |
| Chlorides (Cl⁻) (ppm) | <50 | <200 | <500 | <150 | <30 | <300 |
| Heavy Metals (ppm) | <5 | <20 | <50 | <15 | <3 | <30 |
| Lead (Pb) (ppm) | <2 | <10 | <20 | <5 | <1 | <15 |
| Arsenic (As) (ppm) | <1 | <5 | <10 | <3 | <0.5 | <8 |
| Mercury (Hg) (ppm) | <0.1 | <1 | <2 | <0.5 | <0.05 | <1.5 |
| Color | White | Off-white | Light gray | White | Pure white | Light gray |
| Odor | Odorless | Odorless | Slight | Odorless | Odorless | Slight |
| Solubility (g/L at 20°C) | 1.65 | 1.50-1.70 | 1.40-1.65 | 1.55-1.70 | 1.70 | 1.45-1.65 |
| Dissolution Rate | Fast | Medium-Fast | Medium | Fast | Very Fast | Medium |
| Reactivity | High | High | Medium | High | Very High | Medium-High |
| Neutralization Value | 1340-1380 | 1250-1350 | 1150-1300 | 1280-1370 | 1360-1400 | 1200-1320 |
| Acid Demand (ml 0.1N HCl) | 680-720 | 620-680 | 560-650 | 650-710 | 700-730 | 600-660 |
| Storage Stability | Excellent | Excellent | Good | Very Good | Excellent | Good |
| Shelf Life (months) | 24 | 18 | 12 | 18 | 24 | 15 |
| Packaging | 25kg bags | 50kg bags | Bulk/1000kg bags | 25kg/50kg bags | 25kg bags | Bulk/500kg bags |
| Transport Class | Non-hazardous | Non-hazardous | Non-hazardous | Non-hazardous | Non-hazardous | Non-hazardous |
| Handling Precautions | Dust control | Dust control | Standard | Dust control | Enhanced dust control | Standard |
| Personal Protection | Mask/Gloves | Mask/Gloves | Basic PPE | Mask/Gloves | Full PPE | Basic PPE |
| Application Method | Slurry/Dry | Slurry/Dry | Dry mixing | Slurry injection | Solution prep | Various |
| Dosage Range (kg/m³) | 0.1-2 | 0.5-10 | 20-100 | 1-15 | 0.05-1 | 2-50 |
| Effectiveness | Very High | High | Medium | High | Outstanding | Medium-High |
| Cost per kg | High | Medium | Low | Medium-High | Very High | Medium |
| Environmental Impact | Minimal | Low | Low | Low | Minimal | Low |
| Regulatory Status | FDA approved | Industrial use | Construction use | Steel industry | Laboratory grade | Environmental use |
| NSF Certification | Yes | Limited | No | Limited | Yes | Limited |
| Food Contact | Approved | No | No | No | Approved | No |
| REACH Compliance | Yes | Yes | Yes | Yes | Yes | Yes |
| Quality Control | Enhanced | Standard | Basic | Enhanced | Laboratory grade | Standard |
| Technical Support | Complete | Standard | Basic | Complete | Research support | Standard |
| Custom Formulation | Available | Available | Limited | Available | Available | Available |
| Analytical Services | Full suite | Standard | Basic | Standard | Research grade | Standard |
| Application Training | Provided | Available | Basic | Provided | Research support | Available |
| Performance Guarantee | Yes | Standard | Limited | Yes | Research grade | Standard |
| Global Availability | Yes | Yes | Regional | Yes | Limited | Regional |
| Supply Chain | Dedicated | Standard | Regional | Industrial | Specialized | Standard |
Available Product Types:
- Food Grade Hydrated Lime (96-99% Ca(OH)₂) for food processing applications
- Technical Grade Hydrated Lime (90-96% Ca(OH)₂) for industrial applications
- Construction Grade Hydrated Lime (85-95% Ca(OH)₂) for building materials
- Steel Grade Hydrated Lime (90-98% Ca(OH)₂) for metallurgical applications
- High Purity Hydrated Lime (98-99.5% Ca(OH)₂) for specialized applications
- Environmental Grade Hydrated Lime (92-98% Ca(OH)₂) for remediation projects
- Fine Particle Hydrated Lime for enhanced reactivity
- Coarse Particle Hydrated Lime for specific applications
- Pressure Hydrated Lime for superior reactivity
- Atmospheric Hydrated Lime for standard applications
- Type N Hydrated Lime for construction mortars
- Type S Hydrated Lime for construction applications
- Dolomitic Hydrated Lime for specialized requirements
- Lime Putty for architectural restoration
- Lime Slurry for direct injection applications
Specialized Application Solutions:
- System design and lime feeding calculations
- Slaking equipment design and optimization
- Dosage optimization for specific applications
- Quality control and analytical methods
- Troubleshooting and technical support services
- Training programs for operators and technicians
- Custom formulation development for unique applications
- Regulatory compliance assistance and documentation
- Environmental impact assessment and mitigation
- Cost optimization and application evaluation
Water Treatment Applications
Drinking Water Treatment Municipal water facilities utilize Hydrated Lime (Calcium Hydroxide) for pH adjustment, alkalinity control, and water softening requiring potable water specifications. Lime in all its forms – quicklime and hydrated lime, as well as calcined dolomite – are the most effective and cost efficient alkaline products used in the making of drinking water, as well as in the treatment of waste water and sludge. Water treatment plants employ hydrated lime for coagulation enhancement, corrosion control, and drinking water applications requiring consumer safety, regulatory compliance, and operational reliability with typical dosage of 10-200 mg/L.
Wastewater Treatment Industrial and municipal wastewater facilities use Hydrated Lime (Calcium Hydroxide) for neutralization, sludge conditioning, and phosphorus removal requiring wastewater treatment specifications. Treatment plants employ hydrated lime for pH adjustment, heavy metal precipitation, and wastewater applications requiring effluent quality improvement, regulatory compliance, and environmental protection.
Water Softening Water softening facilities utilize Hydrated Lime (Calcium Hydroxide) for lime-soda softening processes, hardness removal, and mineral control requiring water softening specifications. Industrial water treatment plants employ hydrated lime for calcium and magnesium precipitation, softening applications requiring scale prevention, equipment protection, and process optimization.
Industrial Process Water Manufacturing facilities use Hydrated Lime (Calcium Hydroxide) for process water conditioning, pH control, and water quality enhancement requiring industrial water specifications. Chemical plants, paper mills, and food processing facilities employ hydrated lime for neutralization, clarification, and process applications requiring consistent water quality and equipment protection.
Construction Applications
Mortar and Masonry Construction projects utilize Hydrated Lime (Calcium Hydroxide) for mortar enhancement, workability improvement, and durability enhancement requiring construction specifications. Building contractors employ hydrated lime for lime mortar, masonry applications requiring improved workability, water retention, and long-term durability in construction projects.
Soil Stabilization Road construction and foundation projects use Hydrated Lime (Calcium Hydroxide) for soil modification, bearing capacity improvement, and ground stabilization requiring geotechnical specifications. Highway departments employ hydrated lime for clay soil stabilization, road base applications requiring improved strength, reduced plasticity, and enhanced durability.
Plaster and Stucco Architectural projects utilize Hydrated Lime (Calcium Hydroxide) for lime plaster, stucco applications, and restoration work requiring architectural specifications. Building restoration contractors employ hydrated lime for traditional plaster, heritage applications requiring historical accuracy, breathability, and aesthetic quality.
Asphalt Applications Road construction projects use Hydrated Lime (Calcium Hydroxide) as anti-stripping agent, moisture damage prevention, and asphalt improvement requiring pavement specifications. Asphalt contractors employ hydrated lime for hot mix asphalt, pavement applications requiring improved durability, moisture resistance, and performance longevity.
Steel Manufacturing Applications
Basic Oxygen Furnace Steel mills utilize Hydrated Lime (Calcium Hydroxide) for slag formation, sulfur removal, and steel refining requiring metallurgical specifications. Steel producers employ hydrated lime for BOF operations, steelmaking applications requiring impurity removal, temperature control, and steel quality enhancement in primary steelmaking processes.
Electric Arc Furnace Electric steelmaking facilities use Hydrated Lime (Calcium Hydroxide) for slag conditioning, phosphorus removal, and steel purification requiring EAF specifications. Steel recycling operations employ hydrated lime for scrap melting, secondary steelmaking applications requiring contaminant removal and steel grade optimization.
Ladle Metallurgy Secondary steelmaking operations utilize Hydrated Lime (Calcium Hydroxide) for desulfurization, inclusion modification, and steel treatment requiring ladle metallurgy specifications. Steel refiners employ hydrated lime for ladle treatment, steel conditioning applications requiring precise chemistry control and product quality assurance.
Flue Gas Treatment Steel plants use Hydrated Lime (Calcium Hydroxide) for emission control, acid gas removal, and environmental compliance requiring air pollution control specifications. Environmental systems employ hydrated lime for SO₂ removal, NOₓ reduction applications requiring emission reduction and regulatory compliance.
Environmental Applications
Acid Mine Drainage Mining operations utilize Hydrated Lime (Calcium Hydroxide) for acid neutralization, metal precipitation, and water quality improvement requiring environmental remediation specifications. Mining companies employ hydrated lime for AMD treatment, mine water applications requiring pH adjustment, heavy metal removal, and environmental protection.
Soil Remediation Environmental contractors use Hydrated Lime (Calcium Hydroxide) for contaminated soil treatment, pH adjustment, and heavy metal stabilization requiring soil remediation specifications. Remediation projects employ hydrated lime for in-situ treatment, soil stabilization applications requiring contaminant immobilization and site restoration.
Sludge Treatment Wastewater facilities utilize Hydrated Lime (Calcium Hydroxide) for sludge stabilization, pathogen reduction, and biosolids conditioning requiring sludge treatment specifications. Treatment plants employ hydrated lime for lime stabilization, biosolids applications requiring pathogen destruction, odor control, and beneficial use preparation.
Landfill Applications Waste management facilities use Hydrated Lime (Calcium Hydroxide) for leachate treatment, gas control, and waste stabilization requiring landfill specifications. Waste operators employ hydrated lime for odor control, pH adjustment applications requiring environmental protection and regulatory compliance.
Industrial Applications
Chemical Manufacturing Chemical producers utilize Hydrated Lime (Calcium Hydroxide) for chemical synthesis, neutralization reactions, and product manufacturing requiring chemical processing specifications. Industrial chemical companies employ hydrated lime for calcium chemicals, precipitated calcium carbonate applications requiring high purity, consistent quality, and reliable performance.
Paper Manufacturing Paper mills use Hydrated Lime (Calcium Hydroxide) for causticizing, green liquor clarification, and process optimization requiring pulp and paper specifications. Paper manufacturers employ hydrated lime for kraft process, chemical recovery applications requiring efficient causticizing, lime kiln operation, and process reliability.
Sugar Refining Sugar processing facilities utilize Hydrated Lime (Calcium Hydroxide) for juice purification, clarification enhancement, and sugar quality improvement requiring food processing specifications. Sugar refineries employ hydrated lime for carbonatation process, sugar applications requiring impurity removal, color reduction, and product quality enhancement.
Food Processing Food manufacturers use Hydrated Lime (Calcium Hydroxide) for food additive applications, pH control, and processing aid requirements serving food industry specifications. Food processors employ hydrated lime for corn processing, food applications requiring food safety compliance, functional performance, and regulatory approval.
Specialty Applications
Pharmaceutical Manufacturing Pharmaceutical companies utilize Hydrated Lime (Calcium Hydroxide) for drug synthesis, intermediate production, and pharmaceutical applications requiring pharmaceutical specifications. Drug manufacturers employ hydrated lime for active pharmaceutical ingredients, pharmaceutical applications requiring GMP compliance, purity standards, and regulatory approval.
Agriculture Applications Agricultural operations use Hydrated Lime (Calcium Hydroxide) for soil pH adjustment, nutrient availability enhancement, and crop production improvement requiring agricultural specifications. Farmers employ hydrated lime for soil amendment, agricultural applications requiring soil chemistry optimization, crop yield improvement, and sustainable farming practices.
Glass Manufacturing Glass producers utilize Hydrated Lime (Calcium Hydroxide) for glass batch formulation, melting assistance, and quality enhancement requiring glass industry specifications. Glass manufacturers employ hydrated lime for container glass, flat glass applications requiring improved melting characteristics, reduced energy consumption, and product quality optimization.
Leather Processing Leather manufacturers use Hydrated Lime (Calcium Hydroxide) for hide processing, hair removal, and leather preparation requiring leather industry specifications. Tanneries employ hydrated lime for liming process, leather applications requiring effective dehairing, collagen swelling, and hide preparation for tanning operations.
Quality Control & Testing Procedures
Comprehensive Quality Assurance Every production batch undergoes extensive testing to ensure compliance with calcium hydroxide standards, water treatment requirements, construction specifications, and international application standards. Our quality control laboratory employs advanced analytical techniques including X-ray fluorescence, chemical titration, and comprehensive performance evaluation.
Quality assurance procedures include:
- Ca(OH)₂ content determination using chemical titration
- Available lime analysis using standardized methods
- CaO equivalent calculation using stoichiometric conversion
- pH measurement using calibrated electrodes
- Specific gravity testing using pycnometric methods
- Bulk density measurement using standard procedures
- Surface area analysis using BET nitrogen adsorption
- Particle size distribution using laser diffraction
- Fineness testing using sieve analysis
- Moisture content determination using gravimetric methods
- Loss on ignition testing using high-temperature furnace
- Insoluble residue analysis using filtration methods
- Chemical composition analysis using XRF spectroscopy
- Heavy metals testing using ICP-MS analysis
- Chlorides determination using argentometric titration
- Color evaluation using visual standards
- Solubility testing using standard procedures
- Dissolution rate evaluation using kinetic studies
- Reactivity assessment using slaking tests
- Neutralization value determination using acid titration
- Storage stability testing using long-term studies
- Packaging integrity assessment using physical testing
- Transport stability evaluation using vibration testing
- Application performance testing using field trials
- Quality system compliance using ISO standards
- Regulatory approval maintenance using documentation
- Customer application support using technical consultation
- Performance monitoring using field testing
- Continuous improvement using statistical analysis
- Environmental compliance using impact assessment
- Safety evaluation using toxicological studies
- Shelf life determination using stability studies
- Custom formulation testing using pilot studies
- Application optimization using response surface methodology
- Analytical method validation using accuracy studies
- Traceability maintenance using batch records
- Supply chain quality using supplier audits
Storage & Handling Procedures Implement proper storage conditions including moisture protection, container compatibility, ventilation requirements, and proper handling procedures for maintaining Hydrated Lime quality and preventing carbonation throughout storage and application periods.
For comprehensive information about lime chemistry, water treatment applications, and construction technologies, you can reference this detailed CALCINOR technical article on lime functions in water treatment which provides extensive coverage of lime applications, treatment mechanisms, industrial uses, and performance optimization from leading lime industry experts and water treatment specialists.
Market Applications & Industry Trends
Water Treatment Expansion Growing municipal water treatment requirements, increasing industrial process water needs, expanding wastewater treatment facilities, and rising water quality standards drive continued demand for high-performance hydrated lime in water treatment applications requiring reliable pH control, effective neutralization, and environmental compliance.
Construction Growth Expanding construction activities, increasing infrastructure development, growing sustainable building practices, and rising restoration projects drive adoption of specialized hydrated lime formulations for construction applications requiring improved performance, durability enhancement, and historical accuracy.
Steel Industry Development Growing steel production, increasing quality requirements, expanding environmental regulations, and rising efficiency demands drive development of high-performance hydrated lime applications requiring steelmaking optimization, emission control, and operational reliability.
Environmental Compliance Expanding environmental regulations, increasing remediation projects, growing sustainability requirements, and rising pollution control needs support development of specialized hydrated lime applications requiring environmental protection and regulatory compliance.
Environmental & Regulatory Compliance
Water Treatment Standards Hydrated Lime (Calcium Hydroxide) complies with drinking water regulations, NSF/ANSI standards, and international water quality guidelines ensuring effective treatment with established performance criteria and comprehensive safety assessments for potable water applications and consumer protection.
Food Contact Standards Adherence to FDA regulations, food additive approvals, and international food processing standards ensures appropriate use in food-related applications with established safety protocols and consumer protection measures for food processing operations.
Construction Standards Compliance with building codes, ASTM specifications, and international construction standards ensures reliable use in construction applications with established performance criteria and quality assurance for building materials.
Environmental Protection Standards Environmental compliance includes aquatic impact assessment, soil application guidelines, and sustainable use practices ensuring responsible application with consideration for environmental protection and ecosystem safety.
Industrial Safety Standards Compliance with industrial safety regulations, occupational health requirements, and international safety guidelines ensures safe handling in industrial applications with established safety protocols and worker protection measures.
Performance Advantages & Technical Benefits
✔ Superior Alkalinity – Outstanding pH adjustment and acid neutralization capability
✔ High Reactivity – Rapid dissolution and effective chemical reactions
✔ Excellent Purity – Low impurities with consistent chemical composition
✔ Multiple Grades – Specialized formulations for specific applications
✔ Cost-Effective Treatment – Economical alkaline source with high efficiency
✔ Environmental Safety – Natural mineral with minimal environmental impact
✔ Easy Handling – Standard industrial handling and application procedures
✔ Chemical Compatibility – Excellent compatibility with other treatment chemicals
✔ Proven Performance – Decades of successful industrial applications
✔ Regulatory Compliance – FDA, NSF, and international approvals
✔ Technical Support – Complete application guidance and optimization
✔ Quality Assurance – Consistent performance across production batches
✔ Global Availability – Reliable supply chains and worldwide distribution
✔ Versatile Applications – Multiple industry uses and applications
✔ Storage Stability – Long shelf life with proper storage conditions
✔ Custom Solutions – Tailored formulations for specific requirements
Our Hydrated Lime (Calcium Hydroxide) products represent industry-leading standards in alkaline chemical technology and multi-industry processing solutions, specifically manufactured for demanding water treatment applications, construction projects, steel manufacturing operations, and environmental remediation requiring exceptional alkalinity control characteristics, reliable neutralization behavior, and comprehensive performance optimization. We provide complete technical support, application guidance, and performance consultation to ensure optimal results across your specialized water treatment, construction, steel manufacturing, or environmental applications.
For detailed specifications, technical data sheets, or application-specific recommendations, contact our specialized lime division. We offer complete support including product selection, dosage optimization, performance monitoring, and technical assistance to maximize effectiveness in your water treatment, construction, steel manufacturing, or environmental applications.
For more information about our products, feel free to Contact Us today.
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