Detailed Guide: 7 Types of Activated Carbon and Their Unique Functions

Release time:

2024-04-24

Author:

CarlCarbon

Source:

CarlCarbon


Abstract

High specific surface area activated carbon: High specific surface area activated carbon with a specific surface area of more than 2500m 2 /g, produced by a strong alkali activation method.Molecular sieve activated carbon: very small pore size, used for gas separation.Loaded activated carbon: Variou

Introduction

Activated carbon, also known as activated charcoal, is one of the most versatile adsorption materials widely used in water purification, air treatment, industrial exhaust gas filtration, food processing, and environmental protection. Due to differences in raw materials and production processes, various types of activated carbon possess distinct pore structures, adsorption capabilities, and application scenarios.

In this guide, we will clearly introduce seven common types of activated carbon, along with their characteristics, functions, and practical applications, to help you choose the most suitable activated carbon for your business or personal use.

1. Coconut Shell Activated Carbon (Top Recommendation)

Raw Materials: High-quality coconut shells processed through high-temperature steam activation.

Main Functions & Features:

         1 .Features a rich micropore structure and possesses the strongest adsorption capacity.

         2. Food-grade safety; non-toxic and pollution-free.

         3. Effectively removes residual chlorine, odors, discoloration, and harmful impurities from drinking water.

         4. ommonly used in water purifiers, drinking water treatment, aquarium purification, food decolorization, and gold extraction.

Best For: Drinking water purification, household water filters, food industry, and high-purity liquid filtration.

2. Columnar Activated Carbon

Raw Materials: Coal, wood, or coconut shell powder extruded into cylindrical shapes.

Main Functions & Features:

1.High mechanical strength and resistant to breakage.

2.Strong pressure resistance and long service life.

3.Excellent for removing industrial exhaust gases, odors, benzene, formaldehyde, and TVOCs.

4.Widely used in sewage treatment, chemical plants, paint factories, and air purification systems.

Best For: Industrial waste gas treatment, wastewater filtration, and long-term industrial circulation filtration.

3. Fruit Shell Activated Carbon

Raw Materials: Natural fruit shells such as apricot shells and walnut shells.

Main Functions & Features:

1.Moderate adsorption performance with a cost-effective price point.

2.Good performance in removing peculiar smells and harmful gases.

3.Suitable for groundwater purification, circulating water treatment, and daily deodorization.

Best For: Household deodorization, simple water filtration, and low-cost industrial water treatment.

4. Coal-Based Granular Activated Carbon

Raw Materials: High-quality anthracite coal.

Main Functions & Features:

1.Large specific surface area and stable physical properties.

2.Strong capability for desulfurization, denitrification, and heavy metal adsorption.

3.Low cost, making it perfect for large-scale industrial projects.

Best For: Factory sewage treatment, power plant flue gas purification, and chemical gas separation.

5. Powder Activated Carbon

Raw Materials: Wood or coal raw materials processed into fine powder.

Main Functions & Features:

1.Ultra-fine powder providing a large contact area and fast adsorption speed.

2.Excellent decolorization ability for printing and dyeing wastewater.

3.Used for emergency water purification, algae removal, and edible oil decolorization.

Best For: Sewage decolorization, temporary water treatment, and pharmaceutical/food refining.

6. Honeycomb Activated Carbon

Raw Materials: Activated carbon powder mixed with clay and pressed into honeycomb blocks.

Main Functions & Features:

1.Low air resistance and high airflow pass-through rate.

2.Stable structure that is not easy to deform.

3.Perfect for treating large-volume industrial VOC waste gas.

Best For: Printing factories, spraying workshops, plastic factories, and industrial odor removal.

7. Activated Carbon Fiber (ACF)

Raw Materials: Carbon fiber processed through high-temperature activation.

Main Functions & Features:

1.Ultra-fast adsorption speed and high purification precision.

2.Antibacterial and resistant to high temperatures.

3.Used for high-end purification in laboratories, medical equipment, and precision instruments.

Best For: Medical purification, laboratory gas filtration, and high-end air cleaning equipment.

How to Choose the Right Activated Carbon?

To help you make a quick decision, here is a simple selection guide:

Drinking water purification → Coconut Shell Activated Carbon

Industrial waste gas → Columnar Carbon & Honeycomb Carbon

Sewage decolorization → Powder Carbon

Low-cost water treatment → Coal-based Carbon & Fruit Shell Carbon

High-end precision filtration → Activated Carbon Fiber

Conclusion

Each type of activated carbon has its unique advantages and applicable industries. Whether you need water purification, air filtration, industrial waste gas treatment, or food decolorization, there is always a suitable activated carbon product for your project.


Recommended Reading


8 Hidden Reasons for Low Gold Recovery in CIP/CIL Plants — And How to Fix Them


Low gold recovery remains one of the biggest operational challenges for modern CIP and CIL gold plants.Many mines experience unstable adsorption efficiency, rising reagent consumption, carbon losses, and high residual gold in tailings, even when the overall process appears normal.In practice, poor g

2026-05-29

Detailed Guide: 7 Types of Activated Carbon and Their Unique Functions


High specific surface area activated carbon: High specific surface area activated carbon with a specific surface area of more than 2500m 2 /g, produced by a strong alkali activation method.Molecular sieve activated carbon: very small pore size, used for gas separation.Loaded activated carbon: Variou

2024-04-24

The Science Behind Activated Carbon Filtration in Water Treatment


The adsorption capacity of activated carbon has a certain relationship with the water temperature and water quality. The higher the water temperature, the stronger the adsorption capacity of activated carbon; if the water temperature reaches above 30°C, the adsorption capacity reaches the limit and

2024-08-24

Case Study: How a Small Gold Mine in West Africa Improved Gold Recovery by 12% After Switching Activated Carbon


For many small and medium-sized CIP/CIL gold plants in Africa, low recovery is not always caused by leaching problems or outdated equipment. In quite a few cases, the real issue is the activated carbon itself.This was exactly the situation faced by a small gold mine in West Africa. The plant had sta

2026-05-29

Optimizing Adsorption: Activated Carbon Solutions for Industrial Effluent


Columnar activated carbon is a kind of cylindrical granular activated carbon made from high-quality coal, coconut shells, wood chips, etc. as raw materials through processes such as crushing, carbonization, activation and molding. It appears as black amorphous particles, featuring a well-developed p

2025-06-01

Hotline:null

Time: -