Product Overview
Coal granular carbon sugar purification DC is a high-quality coal-based granular activated carbon manufactured from select bituminous coal through carbonization and steam activation.
Designed for liquid-phase purification, it effectively decolorizes and refines chemical process streams, sugar syrups, and pharmaceutical intermediates. Available in two size grades (DC 830 and DC 1240), DC delivers balanced adsorption of color bodies, organic impurities, and colloidal contaminants with excellent durability in fixed-bed service.
Key Application Areas
- Sugar & Syrup Decolorization: Removes caramel pigments, polyphenols, and colloids from cane and beet sugar syrups, ensuring consistent crystallization yield and premium product color grade.
- Glycerine Purification: Adsorbs color, odor, and trace organics from crude and biodiesel-derived glycerine, enabling upgrade to pharmaceutical and food-grade specifications.
- Pharmaceutical Manufacturing: Purifies active pharmaceutical ingredients, intermediates, and fermentation broths by removing color bodies and process residues under pharmacopeial standards.
- Chemical Processing: Refines organic and inorganic acid streams, solvent recovery products, and specialty chemicals by adsorbing impurities and oxidation byproducts.
- Nutraceutical & Beverage Processing: Clarifies botanical extracts, protein isolates, and beverage streams without adsorbing beneficial active compounds, preserving nutritional value.
Specifications
| Technical Specifications | DC 830 | DC 1240 | Unit |
|---|---|---|---|
| Iodine Adsorption Value | >950 | >950 | mg/g |
| Moisture Content | <5 | <5 | % -wt |
| Methylene Blue Adsorption Value | >160 | >160 | mg/g |
| Average Particle Size | 1.4-1.7 | 1.2-1.4 | mm |
| Crush Strength | >90 | >90 | % |
| Specific Surface Area | >900 | >900 | m²/g |
| Particle Size >8 Mesh (1.70 mm) | <10 | - | % -wt |
| Particle Size >12 Mesh (1.70 mm) | - | <5 | % -wt |
| Particle Size <30 Mesh (0.6 mm) | <5 | - | % -wt |
| Particle Size <40 Mesh (0.43 mm) | - | <5 | % -wt |
Available particle size
- 8×30 Mesh ( 0.6 ~ 2.36 mm)
- 12×40 Mesh ( 0.43 ~ 1.7 mm)
Packaging
- The 25 kg / Package
- The 500 kg / Package
Key Advantage
- Balanced Pore Architecture: The combination of micropores and mesopores handles both small molecules and large color bodies, providing versatile purification across diverse liquid streams.
- High Mechanical Strength: >90% crush strength ensures minimal fines generation during backwash and extended filter runs, reducing operational downtime and media replacement costs.
- Rapid Adsorption Kinetics: Optimized particle size and pore distribution enable fast equilibrium in batch and continuous systems, improving production throughput.
- Regenerable Performance: Thermal reactivation restores adsorption capacity for multiple cycles, offering lifecycle cost advantages in high-volume sugar and chemical processing.
How DC Achieves Coal Granular Carbon Sugar Purification
Many general-purpose activated carbons feature micropore-dominated structures optimized for small-molecule adsorption in water and gas treatment. In sugar syrup and chemical intermediate processing where large color bodies and colloidal impurities predominate, balanced micropore-mesopore architecture becomes essential to achieve comprehensive decolorization and maintain consistent effluent quality across extended production campaigns.
DC solves this through balanced pore architecture. The steam-activated coal granular carbon sugar purification base develops both micropores for small molecules and mesopores for larger color bodies, providing versatile purification across diverse liquid streams. When syrup or chemical process liquid flows through the fixed bed, organic pigments and colloids migrate into the mesopore network while smaller impurities are captured in micropores. The result is consistent decolorization and refining without the need for multiple carbon types.
DC vs Wood-Based Decolorization Carbons
Wood-based powder carbons such as F-14, F-16, and F-18 provide high mesopore volume for extremely heavy color loads and fast filtration in batch systems where powder handling and plate-and-frame filtration are standard practice. DC bridges this gap as a durable coal granular carbon sugar purification solution. With >90% crush strength and granular geometry, it maintains stable bed permeability and extended filter runs in continuous fixed-bed columns, complementing batch-oriented powder carbon systems.
While F-18 may outperform DC on extremely dark syrups requiring maximum mesopore capacity, DC provides the reliability and mechanical integrity needed for continuous sugar and chemical processing where bed longevity and minimal fines carryover are critical. Choose wood-based powders for batch decolorization of heavy color loads; select DC for fixed-bed coal granular carbon sugar purification with minimal fines and extended filter runs.