Lime Kiln Dust (LKD)

Description

1. Product Overview

Lime Kiln Dust (LKD) is a fine-grained byproduct generated during the lime manufacturing process, primarily composed of calcium-based compounds. It is widely utilized in construction, environmental remediation, soil stabilization, and industrial processing due to its alkaline properties and cementitious behavior. LKD provides a cost-effective alternative to traditional lime products while maintaining strong chemical reactivity and performance in multiple applications. As industries increasingly prioritize sustainable material sourcing and cost efficiency, Lime Kiln Dust represents a strategically valuable resource that converts industrial byproduct streams into high-performance industrial inputs.

2. Key Specifications & Technical Characteristics

• Chemical Composition: Predominantly Calcium Oxide (CaO), Calcium Carbonate (CaCO₃), Magnesium Oxide (MgO), and trace mineral oxides
• Purity / Grade: Industrial grade; composition varies depending on kiln feedstock and production process
• Physical Form: Fine powder / dust-like material
• Color: Light gray to off-white
• Particle Size: Typically < 200 microns (varies by production source)
• Bulk Density: Approximately 0.8 – 1.2 g/cm³
• Alkalinity: High pH due to free lime content
• Packaging Options:
  • Bulk loose loading
  • Jumbo bags (1 MT)
  • Bulk tanker loading (upon request)
• Shelf Life: Stable under dry storage conditions; recommended storage in moisture-controlled environments

3. Core Industrial Applications

Construction & Civil Engineering
LKD is extensively used for soil stabilization and road base improvement. Its high lime content enhances soil strength, reduces plasticity, and improves long-term durability of subgrade materials.

Environmental Remediation
Industries use Lime Kiln Dust for neutralizing acidic soils, mine tailings, and industrial waste streams. Its alkalinity effectively balances pH levels and immobilizes certain contaminants.

Agriculture & Soil Conditioning
LKD serves as an economical soil amendment to correct acidic soils and improve nutrient availability in agricultural land management.

Wastewater Treatment & Industrial Neutralization
Water treatment facilities apply LKD to neutralize acidic effluents and support sludge conditioning processes.

Cost & Performance Advantage
Compared with primary lime products, LKD delivers comparable alkalinity and reactivity at significantly lower cost, making it a highly attractive option for large-scale industrial and infrastructure projects.

4. Competitive Advantages

• Quality Consistency: Controlled sourcing from established lime production facilities ensures reliable chemical composition
• Supply Reliability: Steady production volumes support continuous large-scale industrial demand
• Logistics Capability: Efficient bulk handling and global shipping options available for large-volume buyers
• Price Competitiveness: Lower-cost alternative to virgin lime materials while maintaining strong functional performance
• Sustainability Benefits: Supports circular economy practices by repurposing industrial byproducts and reducing landfill waste
• Technical Documentation: Material specifications, safety documentation, and technical guidance available for industrial buyers

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 MT
• Loading Capacity: 20–25 MT per container depending on packaging configuration