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Coconut Shell Activated Carbon
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Coconut Shell Activated Carbon
Product Introduction
Product Description
Product Introduction
The product is black and in the form of coconut skin particles. Coconut shell is used as raw material, activated by steam, refined and screened. Coconut shell activated carbon has the advantages of developed pores, good adsorption performance, high strength, casy regeneration, economy and durability.
Product Usage
It is suitable for gas-phase adsorption, catalyst carrier, and also widely used in the deep purification of drinking water, tap water,industrial water, tap water, industrial extraction, such as gold ore purification, precious metal extraction, and can also be used to reduce the degree and turbidity of Baijiu, promote aging, reduce total energy loss, and add water at - 15℃ without losing light, which is welcomed by users.
Precautions
1. During transportation,activated carbon should be prevented from mixing with hard substances and should not be stepped on or stepped on to prevent carbon particles from breaking and affecting quality.
2. Storage: It should be stored in a porous adsorbent, so during transportation, storage, and use, it is necessary to absolutely prevent water immersion. After water immersion, a large amount of water fills the active void, making it ineffective.
3. Prevention of tar substances: During use, tar substances should be prohibited from being brought into the activated carbon bed to prevent clogging the pores of the activated carbon and causing it to lose its adsorption effect. It is best to have a decoking device to purify the gas.
4. Fire prevention: During storage or transportation, active carbon should be prevented from direct contact with fire sources to prevent ignition. During regeneration, oxygen should be avoided and the regeneration should be thorough.After regeneration, it must be cooled to below 80 by steam, otherwise the temperature will be high and the activated carbon will spontaneously ignite when encountering oxygen.
Index parameter
| ltem | Inde | 项 目 I t e m | Inde |
| Granularity (%) | 1-325 | lodine Value (mg/g)≥ | 1000 |
| ≥24Mesh | ≤1 | Benzene Adsorption Value (mg/g)≥ | 400 |
| 28-42Mesh | ≥82 | Acetic acid adsorption value (mg/g)≥ | 500 |
| ≤48Mesh | ≤5 | Zinc acetate adsorption value(mg/g)≥ | 7 |
| Average particlesize (mm) | 0.44-0.49 | Minimum fluidization velocity (m/s) | 9-12.5 |
| Strength(ballmilling method)(%) | ≥95 | Ignition point (℃) | 500 |
| Filing density (g/cm³) | 0.40-0.5 | PH Value | 5-7.5 |
| Loss on drying (%) | ≤10 | Moisture | 5 |
Working Principle
Coconut shell activated carbon is made of coconut shells and processed through a series of production processes. It is black and granular in appearance. It has the advantages of developed pores, good adsorption
performance, high strength, easy regeneration, economical and durable. Coconut shell activated carbon is mainly used for purification, decolorization, dechlorination and deodorization of drinking water, pure water, wine making,
beverages and industrial sewage; it can also be used for desulfurization in the oil refining industry.
Specification
Product Features
Anthracite filter media is made of high-quality carbon blocks through selection, crushing and screening. It has a good gloss appearance, is in the form of multi-prism particles, has strong compression resistance and wear
resistance, and is generally used for double-layer and triple-layer filtration. All technical indicators meet the CJ/T44-1999 standard.
Product Parameters
| Parameter Category | Parameter Name | Unit | Typical Range | Description |
|---|---|---|---|---|
| Basic Physical Properties | Appearance | - | Black granules/powder | Granular forms are mostly crushed particles (1-2mm, 2-4mm, etc.), while powdered forms have finer particle sizes (e.g., 80-200 mesh) with a porous and rough surface |
| Particle Size Distribution | mm/Mesh | Granular: 0.5-8mm; Powdered: 80-325 mesh | Particle size affects adsorption rate and water flow resistance. 1-2mm granules are commonly used in drinking water treatment, and 100-200 mesh powder is suitable for decolorization | |
| Bulk Density | g/cm³ | 0.45-0.55 | The mass of activated carbon per unit volume. Lower bulk density usually indicates higher porosity (to be judged comprehensively with specific surface area) | |
| Strength (Abrasion/Compression Resistance) | % | ≥90 (granular) | Measures the particle’s resistance to wear and compression. Low strength easily causes dust, affecting the operation of filtration systems (e.g., water treatment filters) | |
| Moisture Content | % (wt) | ≤10 | Dried before delivery. Excessive moisture occupies pores and reduces adsorption capacity; moisture-proof storage is required | |
| Core Adsorption Performance | Specific Surface Area (BET) | m²/g | 900-1500 | A core advantage indicator of coconut shell activated carbon. Larger specific surface area means more adsorption sites and stronger adsorption capacity for small-molecule organics (e.g., VOCs) |
| Iodine Adsorption Value | mg/g | 800-1200 | Measures adsorption capacity for small-molecule substances (iodine molecules, ~0.6nm in diameter); commonly used as a basic evaluation indicator for adsorption performance | |
| Methylene Blue Adsorption Value | mL/g | 120-200 | Evaluates adsorption capacity for medium-molecule organics (methylene blue, ~1.8nm in diameter); suitable for dye and chroma removal scenarios | |
| Caramel Decolorization Rate | % | ≥90 (food grade) | Decolorization capacity for macromolecular organics (e.g., caramel color); a key indicator in food processing (e.g., decolorization of sugars and oils) | |
| Carbon Tetrachloride Adsorption Rate (CTC) | % | 50-80 | Measures adsorption capacity for volatile organic compounds (VOCs, e.g., carbon tetrachloride); applicable to waste gas treatment scenarios | |
| Chemical Safety Indicators | pH Value (10% Aqueous Solution) | - | 6.0-9.0 | Neutral to weakly alkaline, to avoid affecting the pH of the treatment system (e.g., 6.5-8.5 is more optimal for drinking water and food liquids) |
| Ash Content | % (wt) | ≤5 | Inorganic impurities (e.g., silicon, calcium, potassium) remaining after combustion. Excessive ash easily causes solution turbidity or ion leaching | |
| Iron Content | mg/kg | ≤300 | Strictly controlled for food-grade and drinking water-grade products. Excessive iron ions may cause liquid discoloration (e.g., beverage browning) | |
| Heavy Metal Content (Pb, Cd, As) | mg/kg | ≤1 for each individual metal | A safety threshold for food, pharmaceutical, and drinking water applications; must comply with relevant hygiene standards (e.g., GB 4806.11-2016) | |
| Chloride Content | % (wt) | ≤0.1 | Prevents the formation of harmful substances by reacting with disinfectants (e.g., chlorine) in water treatment, or affecting food taste | |
| Application Adaptability | Applicable Temperature Range | ℃ | -20-200 | Stable adsorption performance at room temperature. High temperatures (>150℃) may cause desorption of adsorbed organics; adjustments based on processes are required |
| Applicable pH Range | - | 4.0-11.0 | Optimal adsorption efficiency in neutral, weakly acidic, or weakly alkaline environments. Strong acids/bases (pH <2 or >12) may damage the pore structure | |
| Regeneration Performance | - | Renewable 2-3 times (thermal regeneration) | Granular products can recover partial adsorption capacity through high-temperature (800-900℃) thermal regeneration; powdered products are usually for one-time use due to high recovery difficulty |
Application
Food Factories
Water Treatment
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