Coconut shell based activated carbon

Global supply and delivery of premium activated carbon

Mellifiq distributes and implements activated carbon solutions and services to any corner of the world. Our activated carbon is also used in many of our water and air filtration systems.

What is coconut shell based activated carbon?

Coconut shell based activated carbon is one major type of activated carbons which exhibits a high degree of micropores, which makes it especially suitable for water filtration applications. Coconut shell activated carbon is sourced from coconut trees which can live in excess of 70 years, therefore it can be considered a renewable resource. This type of carbon has high hardness and filtration performance characteristics which makes it a perfect choice for most treatment applications.


Production process

The majority of the world’s coconut shell activated carbon is produced in Sri Lanka, including raw materials sourcing and activation process. Coconut activated carbon can reach very high degrees of purity. Production includes a superheating process called pyrolysis where shells are transformed into char followed by a fluidization processes in a FBR (fluidized bed reactor) where the carbon is steam activated. The FBR consists of a rotary kiln, 20 meters long and 2.4 m in diameter in which carbon is activated at temperatures in excess of 1000 degrees Celsius (1800 F).

Various types, sizes and performance characteristics can be targeted by carefully selected raw material, activation temperature, activation time and by varying the concentration of the oxidation gases. Following steam activation, the carbon can be sorted into different granular sizes using different mesh sizes.

Production of carbon can also generate valuable bi-products such as syngas and bio-oil.


Mellifiq offers any coconut carbon for any application

Mellifiq offers the word’s widest and most competitive selection of coconut shell activated carbon and delivers world-wide. We offer deliveries in 500 and 25 kg bags or as an integrated part of our turn-key solutions for challenging air and water treatment, such as water filter systems under our Water Maid brand and Nodora brand. While we can manufacture specialized and tailor-made activated carbon, our standard types and sizes are guaranteed to handle the most difficult treatment tasks. An overview of our coconut based activated carbon types and applications can be found in the table below.

To view our complete range of coconut activated carbon for water filtration, click here. For all activated carbon for Nodora air filtration systems, click here.


Coconut activated carbon performance

Filtration capacity and performance depends on multiple factors and carbon characteristics. Specifically, coconut shell activated carbon is known for its high levels of hardness, purity and low ash content. The production quality of the carbon is often tested against the CTS (Carbon Tetrachloride, CCl4) activity according to ASTM D3467 to ensure the proper pore volume of the the final product. Recently it has been replaced by Butane activity = CCl4 activity / 2.55.

In conjunction with CTC values, the Iodine number can be used to test the adsorption capacity in mg of adsorbed iodine per g of carbon (mg/g) and is normally the deciding performance factor in evaluating the required filtration capacity, in combination with granule mesh size, ash content and hardness.

Activated carbon suitable for air and water treatment

Coconut shell based activated carbon
Granular coconut shell based activated carbonH2S and VOC removal NCOC-5Datasheet
Granular coconut shell based activated carbonH2S and VOC removal NCOC-6Datasheet
Granular coconut shell based activated carbonH2S and VOC removal COC-A70Datasheet
Granular coconut shell based activated carbonPharma/wastewaterWCOC-90Datasheet
Granular coconut shell based activated carbonPharma/wastewaterWCOC-100Datasheet
Granular coconut shell based activated carbonWide variety applicationsCOC-L1200Datasheet
Powdered coconut shell based activated carbonWide variety applicationsCOC-PL1000Datasheet
Acid washed granular coconut shell based activated carbonProcess water treatmentACOC-L1000Datasheet
Granular coconut shell based activated carbonWide variety applicationsCOC-L60 CATDatasheet