While activated carbon or activated charcoal may be familiar terms, have you encountered the concept of coconut carbon? Intriguingly, activated coconut shell carbon and activated coconut charcoal are essentially the same substance, yet their applications diverge. This particular form of carbon boasts a multitude of uses and advantages. Activated coconut carbon finds extensive utilization across numerous industries, encompassing the food sector, water and air purification systems, and healthcare applications.

According to a report published by Transparency Market Research, coconut-activated carbon has witnessed a surge in sales. This upsurge can be attributed to its remarkable efficiency in mitigating air and water pollution, as well as its role in waste treatment initiatives on a global scale. Moreover, its status as an environmentally safe and renewable resource further contributes to its growing popularity.

In this article, we explore the diverse applications of coconut shell carbon and its myriad benefits. Additionally, we aim to provide a comprehensive understanding of coconut carbon, elucidating the reasons behind its emergence as a sought-after resource in various domains.

 

Coconut-Shell Activated Carbon: A Highly Effective Adsorbent

Activated carbon is an exceptionally adsorbent form of carbon, available in powdered or granular forms. Among its various applications, coconut-shell-activated carbon has emerged as one of the most effective types for water filtration and purification in recent years. Its distinguishing features include a large surface area and a higher density of micropores compared to other forms of activated carbon. Moreover, it is highly efficient at absorbing specific impurities. For instance, granulated activated carbon (GAC) is frequently employed in carbon filters to eliminate contaminants such as pesticides and herbicides from potable water.

 

What Contaminants Does Coconut Shell Carbon Remove?

Coconut shell carbon boasts significantly greater porosity compared to other activated carbon variants, featuring up to 50% more micropores than bituminous coal. This enhanced structure enables it to effectively adsorb contaminants and volatile organic compounds (VOCs), positioning it as one of the most efficient materials for water filtration applications.

In practical terms, this implies that coconut shell carbon is the preferred choice for eliminating VOCs from point-of-entry (POE) drinking water systems. Additionally, it effectively removes unpleasant odors and tastes from water, further underscoring its widespread use in water filtration systems.

 

What Are the Applications of Coconut Shell-Based Carbon?

Remarkably, carbon derived from coconut shells has an array of practical applications beyond those previously mentioned. Below, we highlight several ways in which coconut carbon is utilized:

1. Wastewater treatment and purification
2. As a catalyst support, a solid material with a high surface area and chemical stability, to which a catalyst is attached
3. Absorption of gold from solutions, a process known as precious metal recovery
4. Removal of organic impurities in various food and beverage processing
5. Purification of potable water
6. Medical equipment, particularly in blood filtration devices such as kidney dialysis machines

 

What Distinguishes Carbon from Activated Carbon?

The fundamental distinction between carbon and activated carbon lies in their surface area-to-volume ratio. Standard carbon possesses a considerably lower surface area to volume ratio compared to activated carbon. Consequently, activated carbon exhibits enhanced adsorption capacities.

 

How Does Activated Carbon Function?

Plant-based activated carbon operates in a manner akin to coconut shell-based activated carbon, serving to filter contaminants from both water and air.

Nevertheless, it differs from coconut carbon because its surface is less optimized for adsorption due to a relatively smaller surface area.

 

How Is Coconut Shell Activated Carbon Produced?

The production of coconut shell-activated carbon is less complex than one might assume. It involves a straightforward three-step process:

Step 1: Charring
Initially, the process requires that the coconut shells are cleaned, dried, and stripped of exterior fibers. The first stage involves charring the coconut shells by exposing them to extremely high temperatures, ideally between 500 and 600 degrees Celsius (932-1112 degrees Fahrenheit), for several hours. Over approximately 12 hours, this process transforms the shells into charcoal. One of the most prevalent methods for producing activated carbon involves using a drum kiln with a chimney. The chimney design effectively raises internal temperatures by restricting oxygen flow, with the bottom layers of coconut shells typically undergoing carbonization first.

Step 2: Pacification
The subsequent phase is pacification, during which the airflow is completely halted at the bottom of the drum kiln, initiating the cooling process for the coal. This step is vital as it ensures that the forming charcoal does not burn further into ash.

Step 3: Steam Activation
The final step involves activating the charcoal to enhance its filtration efficacy. The primary objective is to expand its pore size, enabling it to trap more contaminants and particles during filtration. There are two main activation methods: soaking the charcoal in chemicals such as phosphoric acid or opting for steam activation. For steam activation, the internal temperature of the rotary kiln is raised to around 1,470-2,010 degrees Fahrenheit. This intense steam dehydrates the carbon and reduces the volatile organic compounds (VOCs) within it. As the coconut carbon undergoes steaming, the pores enlarge to a size adequate for capturing molecules present in water.

 

How Is Coconut Carbon Reactivated?

Before delving into the reactivation process, it’s important to understand what reactivated carbon is. Reactivated carbon serves as a cost-effective alternative to virgin activated carbon. It is produced by treating spent activated carbon, typically through thermal processes. However, reactivation can result in a slight reduction in the adsorption capacity of the coconut shell carbon.

The reactivation process itself is straightforward. Initially, the spent activated carbon derived from coconut shells is subjected to extremely high temperatures. This heating facilitates the release of absorbed organic materials from the pore structure of the carbon.

Once the organics are removed, the activated carbon can be reused for its intended applications.

 

How Quickly Does Coconut-Shell Activated Carbon Operate?

To gauge how rapidly coconut-shell-activated carbon functions, it’s essential to grasp some basics of the filtration process.

A carbon block is necessary for the filtration process to function effectively. Often considered the backbone of filtration technologies, a carbon block can perform a broader array of filtration tasks compared to other methods.

A carbon block consists of a sintered porous structure or filtration housing designed to accommodate carbon as the filtration medium, along with various additives and thermoplastic binders. How swiftly does a coconut-shell activated carbon block begin to work?

Once installed, this filtration system operates immediately and lasts for six to 12 months, indicating that the coconut activated carbon starts filtering water as soon as it flows through the block, providing you with cleaner drinking water right from the outset.

 

Is Coconut Shell Carbon Safe?

Coconut shell carbon is a sustainable resource that is safe for environmental applications, water filtration, and food consumption. It is also suitable for use in certain medical devices. In essence, coconut shell carbon is odorless, nearly tasteless, and non-toxic.

 

Is Charcoal Pure Carbon?

Pure carbon exists in three forms: graphite, diamond, and carbon black. Unlike the crystalline structures of graphite and diamond, carbon black is amorphous or non-crystalline, as exemplified by charcoal and coal.

Charcoal itself is pure carbon; however, coconut-shell activated carbon typically contains 70-80% carbon, rendering it nearly pure.

 

Is Coconut Charcoal the Same as Activated Charcoal?

Coconut charcoal differs from activated charcoal because it has not undergone the activation process. For coconut charcoal to be considered activated, it must be treated with chemicals such as phosphoric acid or subjected to a steam activation method.

 

Is Coconut Activated Charcoal Superior?

A common inquiry is whether coconut-activated charcoal surpasses regular activated charcoal, and the answer is affirmative—it is indeed superior.

Coconut-activated charcoal is not only environmentally friendly and non-toxic, but it also offers a wider array of applications and benefits. Notably, it excels in areas such as water purification and wastewater treatment.

 

What Are the Uses of Coconut Charcoal?

While coconut carbon and coconut charcoal are essentially the same, they exist in different forms tailored for specific applications. Here are some of the diverse uses of coconut charcoal, including a few that might surprise you:

1. Poison Mitigation: Activated coconut charcoal is employed as an antidote for various drug overdoses, helping to reduce the absorption of drugs in the body.
2. Natural Detoxification Support: Coconut charcoal is widely used as a detoxifying agent. It assists in removing toxins and unwanted substances from the body by absorbing them. Due to its millions of pores, coconut charcoal can bind a substantial amount of toxin particles and eliminate them from the body.
3. Teeth Whitener: Similar to other activated carbon derived from charcoal and wood, coconut activated carbon can serve as a natural, bleach-free teeth whitener. With regular use, it is believed to diminish the appearance of yellowing in teeth.
4. Remedy for Flatulence and Bloating: Individuals who prefer natural solutions to chemical-based remedies for bloating and flatulence often choose coconut charcoal. Typically, taking a standard dose before meals can prevent bloating and excessive flatulence.

 

Is Coconut Charcoal Beneficial for You?

With an understanding of the uses for activated coconut charcoal, it’s clear that it is indeed safe. However, like most things, coconut charcoal is only beneficial when used as intended.

 

Is Coconut Charcoal Suitable for BBQ?

Did you know that coconut charcoal is a U.S. Pharmacopoeia food-grade material? It meets stringent quality standards since it is designed for use in medical devices and safe for ingestion.

Many people inquire whether coconut charcoal can be used for barbecuing, and the answer is yes. Coconut charcoal briquettes are a fast-burning, food-grade material and are becoming an increasingly popular alternative for barbecues.

Additionally, coconut charcoal is favored in the food industry due to its pleasant aroma. If you’re interested in replacing traditional charcoal with coconut charcoal, you can easily find coconut charcoal briquettes at a variety of stores across the U.S.

 

Coconut Carbon’s Versatile Applications

It should now be apparent that coconut carbon boasts numerous applications across various industries. While it plays a crucial role in the food and health sectors, particularly in medical equipment and barbecuing, its primary function remains in water purification.

Coconut carbon is considered one of the most effective filters for water purification, thanks to its extensive surface area and higher density of micropores compared to other carbon types. Additionally, it is easy to produce, renewable, safe to use, and can be reactivated.

If you’re interested in exploring the filtration capabilities of coconut carbon or are considering a home filter for cleaner drinking water, feel free to contact us. We specialize in water filters and can assist you in selecting the ideal option to suit your needs and preferences.