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Home > Our News > Product Information > Difference Between Coconut Shell Activated Carbon and Nut Shell Activated Carbon
In water filtration, air purification, and industrial adsorption, coconut shell activated carbon and nut shell activated carbon are widely used due to their natural origins and strong adsorption capabilities. Though similar in plant-based source, they differ in structure, performance, and application.
This article compares these two carbon types to help you choose the best fit for your project.
-Coconut Shell Carbon: Made from hard shells of mature tropical coconuts, dark-colored and extremely hard.
-Nut Shell Carbon: Produced from walnut, peach, and apricot shells. Softer and lighter in color.
Coconut carbon has a denser structure, giving it stronger mechanical strength and more micropores.
| Property | Coconut Shell Carbon | Nut Shell Carbon |
|---|---|---|
| Pore Type | Mainly micropores (>80%) | Mix of micro and mesopores |
| Iodine Number | 1000–1200 mg/g | 800–1000 mg/g |
| Hardness | High, durable | Moderate |
| Ash Content | Very low | Slightly higher |
| Surface Area | High (≥1100 ㎡/g) | Medium (800–1000 ㎡/g) |
Coconut carbon is ideal for high-purity water treatment, pharma, and semiconductor use. Nut shell carbon is a more affordable choice for general-purpose water and air treatment.
| Application | Coconut Shell | Nut Shell |
|---|---|---|
| RO Pre-treatment, Pure Water | Recommended | Less efficient |
| Household Water Filters | Yes | Yes |
| Industrial Wastewater (Odor/Color) | Expensive | Affordable |
| Air Filtration, Formaldehyde | High capacity | Moderate |
| Medical & Electronics | High-purity | Not suitable |
-Coconut Carbon is mostly imported from Southeast Asia, leading to higher costs.
-Nut Shell Carbon is widely available in China, making it more cost-effective for bulk use.
Choosing the right carbon type should balance performance, cost, and application needs.
With 28 years of production experience, Gongyi Filter Industry Co., Ltd. offers:
√ High-iodine coconut shell activated carbon (custom sizes available)
√ Nut shell activated carbon for general-purpose and decolorization use
√ Performance testing & dosing advice
√ OEM support and global export service
Please contact us for free quotation by form below. We promise the quickest response within 24 hours: