Coconut shell carbon for food and beverage
Activated Carbon for Food and Beverage Processing: Coconut Shell Grades for Purification, Decolorization and Taste Control
Coconut shell activated carbon is a practical choice for food and beverage purification, decolorization, and taste control. Its hard, dense structure gives a micropore-rich network that captures small dissolved organics while resisting breakdown in fixed beds. This grade suits sugar syrups, edible oils, beverages, and process water. Share your treatment target, flow rate, contactor type, and particle size needs, and we will confirm the suitable grade and batch specification before quotation.
Share your target metrics, flow rate and particle size so we can confirm the grade for your process.
- Iodine value
- 900 – 1600 mg/g
- Methylene blue adsorption
- 135 – 210 mg/g
DESCRIPTION
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Food and beverage processors use activated carbon to remove color, off-odors, and dissolved organic impurities that survive conventional filtration. Coconut shell carbon suits this work because its hard, dense structure produces a pore network dominated by micropores—the sites that capture small dissolved molecules. It supports purification and taste control in liquid streams while holding its physical form through repeated handling and backwashing.
The duty is consistent across most applications: the carbon must contact the product long enough to adsorb target impurities, then release a clean, neutral-tasting liquid. Coconut shell grades are commonly chosen where the load is organic and the goal is clarity, decolorization, or removal of a sensory taint from sugar syrups, edible oils, beverages, and process water. Adsorption changes the treated stream without introducing a chemical reagent.
Selection considerations
Particle size and form: the mesh range must suit the contactor. Finer grades give faster kinetics but higher pressure drop; coarser granular grades are easier to handle in fixed beds.
Pore structure and activity: capacity for the specific impurity mixture determines how much carbon is needed and how often it must be changed.
Feed conditions: temperature, contact time, and impurity concentration affect performance, so selection is made against the actual process stream.
Wet strength and ash: durable carbon resists breakdown during backwashing, while low ash limits inert material entering the process.
Food-contact quality: heavy metals, pH, and other hygiene-related values should be reviewed with the intended application in mind.
A practical starting point is to define what must be removed, the flow and contact time available, and the maximum acceptable pressure drop. These parameters decide the mesh range and activity level, and they define the batch tests worth requesting.
To request a recommendation, share the treatment objective, feed liquid, flow rate or batch size, contactor type, and required specification values. With those details, the appropriate coconut shell grade and its batch-confirmed specification can be discussed before quotation.
SPECIFICATIONS
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Figures below are coconut shell series reference ranges. Iodine value, methylene blue and CTC adsorption indicate adsorption capacity; ash, moisture, pH and heavy metals bear on food and beverage contact.
| Iodine value | 900 – 1600 mg/g |
|---|---|
| Methylene blue adsorption | 135 – 210 mg/g |
| BET surface area | 950 – 1200 m²/g |
| CTC adsorption | 40 – 99 % |
| Ash content | 1 – 5 % |
| Moisture | 3 – 10 % |
| Hardness | ≥ 95 % |
| Bulk density | 0.45 – 0.55 g/cm³ |
| pH value | 6.5 – 8.5 |
| Particle size | 4 – 40 目 |
| Heavy metals (food grade) | ≤ 10 ppm |
ADVANTAGES
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Four points a food and beverage buyer can check before ordering.
Coconut shell grade for taste-sensitive duties
Coconut shell carbon is a practical fit for beverage decolorization and taste control, where a clean, low-ash carbon is preferred.
Taste control
OUR COMMITMENTS
Six Reasons Industrial Buyers Trust Sanniu Carbon
Our service commitments are grounded in the confirmed, inquiry-to-after-sales process. They describe how we work with buyers, not fixed prices, stock, or performance guarantees.
Selection Support From Inquiry to Direction
We review your treatment target, product form, and application first, then align on a suitable activated carbon direction before any quotation is issued.
Clear Scope for Specs and Documents
We explain the applicability of each cited specification and document. Batch values and available files are confirmed before the transaction, never assumed.
Order Details Confirmed in Writing
Packaging and moisture-protection requirements are checked at order confirmation, and both sides confirm the final order information in writing.
Price, Quantity and Lead Time Checked by Staff
Commercial terms are verified by our team rather than automated. Final figures follow the written quotation or order both parties confirm.
Post-Delivery Follow-Up on Use and Documents
We receive and follow up on usage or documentation questions through the agreed contact channels after delivery, keeping support available.
CREDENTIALS
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ISO 9001:2015
Registrati0n No: 06524Q01338R0S
Certificate of Analysis
B-R2409C3836
Certificate of Analysis
Report No. A2260506150101001
Certificate of Analysis
No. 1621112086
Certificate of Analysis
NO.250100320443888
Certificate of Analysis
NO. 1524070087
PACKAGING
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Packing is confirmed with the order, including protection for humid shipping routes.
25 kg PE-lined bag
A standard export bag with an inner PE liner, stacked on pallets for container loading and easy handling in plants.
25 kg per bag
500 / 1000 kg bulk bag
Bulk bags suit larger vessels and fixed beds, reducing handling effort and dust when the carbon is charged.
500 kg or 1000 kg
Heat-treated pallets
Heat-treated pallets are supplied with the relevant certificate for export destinations that require it.
ISPM-15 pallet
Moisture protection options
Desiccant or barrier packing can be discussed for long or humid routes so the carbon arrives close to its supplied condition.
On request
Custom packing on request
Bag size, liner and labelling can follow your receiving or warehouse requirements when agreed before production.
On request
PROCESS
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From first inquiry to delivery follow-up, each step is handled by our team.
Inquiry review
We receive your inquiry and confirm the application, treatment target and preferred carbon form before suggesting a direction.
Selection discussion
We compare coconut shell, coal, wood, nutshell and bamboo grades against your duty and note where one series fits better than another.
Specification and document scope
We state which specification and documents apply, and confirm batch values and available files before any order is placed.
Order confirmation
Packaging format, moisture protection and delivery details are checked and fixed in the written order both sides confirm.
Delivery follow-up
After shipment we keep answering questions about use or documents through the agreed contact channel.
DIMENSIONS
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Particle size is the first practical filter: it sets how a coconut shell carbon bed handles flow, contact time and fines. Match the grade to your process rather than to a catalogue number.
Application
Food, beverage and refining
Decolourisation and purification in sugar, syrup, edible oil and beverage processing, where colour bodies and off-flavours have to be removed.
FAQ
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Common questions from buyers selecting carbon for food and beverage purification.
Which activated carbon grade suits food and beverage purification?
Selection depends on the medium, the impurity to remove and the target result. For taste, odor and color control, coconut shell carbon with high hardness and low ash is often the starting point. Check the iodine value, methylene blue adsorption and particle size against the process, then confirm the batch specification before quotation.
How do I choose the right particle size for my process?
Particle size should follow your contactor and flow rate. Fine powder suits short-contact liquid decolorization and is dosed and filtered. Granular grades suit fixed beds with a defined flow and pressure drop. The range for this series is 4 to 40 mesh; the final cut is agreed because screen analysis affects both adsorption kinetics and pressure loss.
Can you confirm food-grade and heavy metal requirements?
Heavy metals are reported as a food-grade range of 10 ppm or below, measured on the batch sample. Ash content is 1 to 5 percent and pH is 6.5 to 8.5. We quote the tested batch values rather than applying one series result to every delivery. State your target limits with the enquiry so the suitable grade can be confirmed.
What documents can accompany a batch?
Available documents include the SDS and batch test data for the delivered material. Our quality management certificate covers activated carbon sales, not production. Sample-specific reports such as RoHS findings apply only to the tested sample. Tell us which documents your audit needs before ordering so we confirm what can be issued.
How should I enquire about a fit for my application?
Send the medium to be treated, flow rate or concentration, target iodine, methylene blue or CTC value, particle size, quantity and any document needs. If you have a spent carbon or regeneration question, include that too. We review the information, confirm the applicable grade and specification, and reply with a written quotation for your approval.