Coaltech Industries
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Coaltech Industries - Advanced Activated Carbon Solutions Delivering high-performance activated carbon solutions engineered for purity, efficiency, and sustainability—trusted by industries worldwide for water, air, and specialized purification needs.
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Call. (+94) 77 777 7736 Email. coaltech@sltnet.lk
01

Industrial Ideas

Evolving since 1986 from local trading to a global leader in the coconut shell charcoal industry.
02

Expert Engineers

Our team leverages deep local knowledge in Sri Lanka’s Coconut Triangle to ensure premium product quality.
03

Modern Equipment

Utilizing advanced technology to process renewable resources into global carbon solutions.
04

Customer Care

Guided by our "Customer is King" philosophy, we provide personalized service and open communication to partners.
About US

Pioneering Excellence Since 1986. Leading Coconut Carbon Solutions Worldwide

Leading Global Innovation in Coconut Carbon.

From Sri Lanka’s Coconut Triangle to the global stage, we deliver premium activated carbon solutions with a legacy of excellence since 1986.

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The Sri Lankan Advantage

Why Partner With Us?

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Premium quality and value, straight from the source.

  • Easy Sourcing: Surrounded by resources for faster, cost-effective production.
  • Expertise: Handled by locals with decades of coconut processing experience.
  • Competitive Pricing: Efficient production methods help us offer highly competitive pricing for your business.
     
     
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00 +
Years of experience
000 %
Renewable Source
000 +
Hectares
000 +
Small Coconut Growers
Our Products

Engineered Carbon for Critical Applications

icon-image
Activated Carbon for Water Purification

High-performance coconut shell carbon designed for efficient removal of chlorine, odors, and contaminants, ensuring clean and safe water.

  • High adsorption efficiency
  • Low impurities & safe filtration
  • Durable, long-lasting performance
icon-image
Activated Carbon for Gold Recovery

Coconut shell–based activated carbon is used in Carbon in Pulp (CIP), Carbon in Leach (CIL), and Carbon in Column (CIC) to efficiently absorb gold while remaining strong during operation.

  • Efficient gold adsorption
  • High mechanical strength
  • Low attrition (less gold loss)
icon-image
Activated Carbon for Gas Purification

Activated carbon in pelletized, extruded, or GAC form is used to remove harmful gases like VOCs, hydrogen sulfide, and ammonia, while maintaining low pressure drop and high durability.

  • Removes industrial gases & pollutants
  • Low pressure drop for efficient flow
  • Can be chemically enhanced for better adsorption
icon-image
Activated Carbon for Supercapacitor (Research Undergoing)

Highly engineered powdered activated carbon used in Supercapacitor applications, designed for efficient energy storage with high surface area and optimized pore structure.

  • High surface area
  • Controlled microporosity
  • High purity
icon-image
Activated Carbon for Mobile Electronics and Circuits

Ultra-pure, highly engineered carbon utilized in microelectronics to provide critical electromagnetic interference (EMI) shielding and efficient thermal management.

  • Superior heat dissipation for sensitive components
  • Effective EMI and radio frequency shielding
  • Ultra-low impurity levels to protect microcircuits
icon-image
Activated Carbon for Industrial Use

Activated carbon for industries such as Food and Beverage Industry, Cosmetics Industry, Pharmaceutical Industry, and cigarette filters, ensuring reliable purification and consistent product quality.

  • High purity & performance
  • Versatile industrial use
  • Improves product quality
icon-image
Activated Carbon for Water Purification

High-performance coconut shell carbon designed for efficient removal of chlorine, odors, and contaminants, ensuring clean and safe water.

  • High adsorption efficiency
  • Low impurities & safe filtration
  • Durable, long-lasting performance
icon-image
Activated Carbon for Gold Recovery

Coconut shell–based activated carbon is used in Carbon in Pulp (CIP), Carbon in Leach (CIL), and Carbon in Column (CIC) to efficiently absorb gold while remaining strong during operation.

  • Efficient gold adsorption
  • High mechanical strength
  • Low attrition (less gold loss)
icon-image
Activated Carbon for Gas Purification

Activated carbon in pelletized, extruded, or GAC form is used to remove harmful gases like VOCs, hydrogen sulfide, and ammonia, while maintaining low pressure drop and high durability.

  • Removes industrial gases & pollutants
  • Low pressure drop for efficient flow
  • Can be chemically enhanced for better adsorption
icon-image
Activated Carbon for Supercapacitor (Research Undergoing)

Highly engineered powdered activated carbon used in Supercapacitor applications, designed for efficient energy storage with high surface area and optimized pore structure.

  • High surface area
  • Controlled microporosity
  • High purity
icon-image
Activated Carbon for Mobile Electronics and Circuits

Ultra-pure, highly engineered carbon utilized in microelectronics to provide critical electromagnetic interference (EMI) shielding and efficient thermal management.

  • Superior heat dissipation for sensitive components
  • Effective EMI and radio frequency shielding
  • Ultra-low impurity levels to protect microcircuits
icon-image
Activated Carbon for Industrial Use

Activated carbon for industries such as Food and Beverage Industry, Cosmetics Industry, Pharmaceutical Industry, and cigarette filters, ensuring reliable purification and consistent product quality.

  • High purity & performance
  • Versatile industrial use
  • Improves product quality

Work Process

01

Purchase of Raw Material

Procurement of premium coconut shells to serve as the high-quality organic base for carbon production.
02

Carbonization

Thermal decomposition of shells in oxygen-limited environments to produce coconut charcoal.
03

Granulation

Mechanical crushing and screening of charcoal to create uniform particles optimized for the activation kiln.
04

Activation

High-temperature steam treatment creates a pore network, transforming charcoal into activated carbon.
05

Post-Activation

Final refining, washing, and grading to ensure the finished product meets precise technical quality specifications.
06

Final Packing

Systematic weighing and airtight sealing of graded carbon to maintain purity during storage and transport.
Natural Advantage

Why Sri Lankan coconut shells

Physical Properties of Coconut Shells
Superior Carbon Structure Development
High Purity and Efficiency Benefits
Industrial Applications and Performance
000 %
Quality

Shell thickness is high compared to other countries. Therefore the density and hardness of charcoal is also high. As a result, density, hardness and other properties of activated carbon is also high. The reason for high shell thickness is mainly due to soil conditions and climate conditions.

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Borad of Directors

The Best Industry Experts

Sisira Kumara

Founder and a Director of Coaltech

Sisira Kumara

Founder and a Director of Coaltech
<img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/02/tem_6.jpg" sizes="(max-width: 768px) 100vw, 768px" srcset="https://industrie.rstheme.com/main/wp-content/uploads/2024/02/tem_6.jpg 768w, https://industrie.rstheme.com/main/wp-content/uploads/2024/02/tem_6-248x300.jpg 248w, https://industrie.rstheme.com/main/wp-content/uploads/2024/02/tem_6-414x500.jpg 414w" alt="" width="768" height="928" /> <h4>Let’s Get in Touch</h4> The point of using Lorem Ipsum is that it has more-or-less normal <form action="/wordpress/industrie/main/wp-admin/admin-ajax.php#wpcf7-f4295-o1" method="post" novalidate="novalidate" aria-label="Contact form" data-status="init"><input name="_wpcf7" type="hidden" value="4295" /> <input name="_wpcf7_version" type="hidden" value="5.8.7" /> <input name="_wpcf7_locale" type="hidden" value="en_US" /> <input name="_wpcf7_unit_tag" type="hidden" value="wpcf7-f4295-o1" /> <input name="_wpcf7_container_post" type="hidden" value="0" /> <input name="_wpcf7_posted_data_hash" type="hidden" value="" /></form><input name="full-name" size="40" type="text" value="" placeholder="Full Name" aria-required="true" aria-invalid="false" /><input name="your-email" size="40" type="email" value="" placeholder="Email Address" aria-required="true" aria-invalid="false" /><input id="FullName" name="your-inquiry" size="40" type="text" value="" placeholder="Your Inquiry" aria-required="true" aria-invalid="false" /><textarea cols="40" name="your-message" rows="10" placeholder="Write Here..." aria-invalid="false"></textarea> <input type="submit" value="Send Message" /> Hello i'm <h2>Peter Hase</h2> Sr. Engineer <ul> <li> <h3>Department:</h3> Engineer</li> <li> <h3>Experience:</h3> 10 Years</li> <li> <h3>Email:</h3> john.maxwell@gmail.com</li> <li> <h3>Phone:</h3> +855 (2669) 1234</li> </ul> <ul> <li></li> <li></li> <li></li> <li></li> </ul> <h3>Biography</h3> Hello there, my name is Jhon Maxwell. I am a Engineer of industry. Collaborative administrate empowered markets via plug-and-play networks. Proactively envisioned multimedia based expertise and cross-media growth strategies seamlessly visualize quality intellectual capital without superior. <h3>Education & Guidelines</h3> <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/team-edu-guid-icon1.png" alt="image" /> <h4>Google Company</h4> Sr. Engineer in 2010 <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/team-edu-guid-icon3.png" alt="image" /> <h4>2001 - 2003</h4> BS, engineering, (UK) <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/team-edu-guid-icon2.png" alt="image" /> <h4>Spotify Company</h4> Lead Team in 2017 <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/team-edu-guid-icon4.png" alt="image" /> <h4>2004 - 2007</h4> BS, engineering, (NYC) <h3>Professional Skills</h3> Proactively envisioned multimedia-based expertise and cross-media growth strategies. Seamlessly visualize quality intellectual capital. Successful Project Completed Business Growth Satisfied Customer Client reviews <h2>What people saying about our work</h2> We solve worldwide industrial every problem the heart of global. <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/company-logo.png" alt="Bm Ashik Toren" /> At the heart of the global landscape, the industry stands there force of progress driving. <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/testi-img1.png" alt="Bm Ashik Toren" /> <h5>Bm Ashik Toren</h5> Founder <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/company-logo.png" alt="Brish Jhonson" /> It is a long established fact that a reader content of a page when looking at its of oflayout the point of using. <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/02/team_home_1_img_3.png" alt="Brish Jhonson" /> <h5>Brish Jhonson</h5> Web Developer <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/company-logo.png" alt="Marry Jaen" /> It is a long established fact that a reader content of a page when looking at its of oflayout the point of using. <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/02/t_h_1.jpg" alt="Marry Jaen" /> <h5>Marry Jaen</h5> Web Designer <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/company-logo.png" alt="Alen Walker" /> At the heart of the global landscape, the industry stands there multidimensional force of progress driving. <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/02/t_h_2.jpg" alt="Alen Walker" /> <h5>Alen Walker</h5> Manager

Ranjani Dharmawardhana

Co-Founder and Director of Coaltech

Ranjani Dharmawardhana

Co-Founder and Director of Coaltech
<img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/team_img_4.jpg" sizes="(max-width: 768px) 100vw, 768px" srcset="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/team_img_4.jpg 768w, https://industrie.rstheme.com/main/wp-content/uploads/2024/01/team_img_4-262x300.jpg 262w" alt="" width="768" height="880" /> <h4>Let’s Get in Touch</h4> The point of using Lorem Ipsum is that it has more-or-less normal <form action="/wordpress/industrie/main/wp-admin/admin-ajax.php#wpcf7-f4295-o1" method="post" novalidate="novalidate" aria-label="Contact form" data-status="init"><input name="_wpcf7" type="hidden" value="4295" /> <input name="_wpcf7_version" type="hidden" value="5.8.7" /> <input name="_wpcf7_locale" type="hidden" value="en_US" /> <input name="_wpcf7_unit_tag" type="hidden" value="wpcf7-f4295-o1" /> <input name="_wpcf7_container_post" type="hidden" value="0" /> <input name="_wpcf7_posted_data_hash" type="hidden" value="" /></form><input name="full-name" size="40" type="text" value="" placeholder="Full Name" aria-required="true" aria-invalid="false" /><input name="your-email" size="40" type="email" value="" placeholder="Email Address" aria-required="true" aria-invalid="false" /><input id="FullName" name="your-inquiry" size="40" type="text" value="" placeholder="Your Inquiry" aria-required="true" aria-invalid="false" /><textarea cols="40" name="your-message" rows="10" placeholder="Write Here..." aria-invalid="false"></textarea> <input type="submit" value="Send Message" /> Hello i'm <h2>Bradley Roy</h2> Sr. Engineer <ul> <li> <h3>Department:</h3> Engineer</li> <li> <h3>Experience:</h3> 10 Years</li> <li> <h3>Email:</h3> john.maxwell@gmail.com</li> <li> <h3>Phone:</h3> +855 (2669) 1234</li> </ul> <ul> <li></li> <li></li> <li></li> <li></li> </ul> <h3>Biography</h3> Hello there, my name is Jhon Maxwell. I am a Engineer of industry. Collaborative administrate empowered markets via plug-and-play networks. Proactively envisioned multimedia based expertise and cross-media growth strategies seamlessly visualize quality intellectual capital without superior. <h3>Education & Guidelines</h3> <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/team-edu-guid-icon1.png" alt="image" /> <h4>Google Company</h4> Sr. Engineer in 2010 <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/team-edu-guid-icon3.png" alt="image" /> <h4>2001 - 2003</h4> BS, engineering, (UK) <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/team-edu-guid-icon2.png" alt="image" /> <h4>Spotify Company</h4> Lead Team in 2017 <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/team-edu-guid-icon4.png" alt="image" /> <h4>2004 - 2007</h4> BS, engineering, (NYC) <h3>Professional Skills</h3> Proactively envisioned multimedia-based expertise and cross-media growth strategies. Seamlessly visualize quality intellectual capital. Successful Project Completed Business Growth Satisfied Customer Client reviews <h2>What people saying about our work</h2> We solve worldwide industrial every problem the heart of global. <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/company-logo.png" alt="Bm Ashik Toren" /> At the heart of the global landscape, the industry stands there force of progress driving. <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/testi-img1.png" alt="Bm Ashik Toren" /> <h5>Bm Ashik Toren</h5> Founder <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/company-logo.png" alt="Brish Jhonson" /> It is a long established fact that a reader content of a page when looking at its of oflayout the point of using. <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/02/team_home_1_img_3.png" alt="Brish Jhonson" /> <h5>Brish Jhonson</h5> Web Developer <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/company-logo.png" alt="Marry Jaen" /> It is a long established fact that a reader content of a page when looking at its of oflayout the point of using. <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/02/t_h_1.jpg" alt="Marry Jaen" /> <h5>Marry Jaen</h5> Web Designer <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/company-logo.png" alt="Alen Walker" /> At the heart of the global landscape, the industry stands there multidimensional force of progress driving. <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/02/t_h_2.jpg" alt="Alen Walker" /> <h5>Alen Walker</h5> Manager

Heshan Malinda

Director of Coaltech

Heshan Malinda

Director of Coaltech
<img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/industrie_team_1.jpg" sizes="(max-width: 768px) 100vw, 768px" srcset="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/industrie_team_1.jpg 768w, https://industrie.rstheme.com/main/wp-content/uploads/2024/01/industrie_team_1-248x300.jpg 248w, https://industrie.rstheme.com/main/wp-content/uploads/2024/01/industrie_team_1-414x500.jpg 414w" alt="" width="768" height="928" /> <h4>Let’s Get in Touch</h4> The point of using Lorem Ipsum is that it has more-or-less normal <form action="/sagar/wp-admin/admin-ajax.php#wpcf7-f4295-o1" method="post" novalidate="novalidate" aria-label="Contact form" data-status="init"><input name="_wpcf7" type="hidden" value="4295" /> <input name="_wpcf7_version" type="hidden" value="5.9.3" /> <input name="_wpcf7_locale" type="hidden" value="en_US" /> <input name="_wpcf7_unit_tag" type="hidden" value="wpcf7-f4295-o1" /> <input name="_wpcf7_container_post" type="hidden" value="0" /> <input name="_wpcf7_posted_data_hash" type="hidden" value="" /></form><input name="full-name" size="40" type="text" value="" placeholder="Full Name" aria-required="true" aria-invalid="false" /><input name="your-email" size="40" type="email" value="" placeholder="Email Address" aria-required="true" aria-invalid="false" /><input id="FullName" name="your-inquiry" size="40" type="text" value="" placeholder="Your Inquiry" aria-required="true" aria-invalid="false" /><textarea cols="40" name="your-message" rows="10" placeholder="Write Here..." aria-invalid="false"></textarea> <input type="submit" value="Send Message" /> Hello i'm <h2>Joshua sendu</h2> CEO of Industrie <ul> <li> <h3>Department:</h3> Engineer</li> <li> <h3>Experience:</h3> 10 Years</li> <li> <h3>Email:</h3> john.maxwell@gmail.com</li> <li> <h3>Phone:</h3> +855 (2669) 1234</li> </ul> <ul> <li><a href="#"> </a></li> <li><a href="#"> </a></li> <li><a href="#"> </a></li> <li><a href="#"> </a></li> </ul> <h3>Biography</h3> Hello there, my name is Jhon Maxwell. I am a Engineer of industry. Collaborative administrate empowered markets via plug-and-play networks. Proactively envisioned multimedia based expertise and cross-media growth strategies seamlessly visualize quality intellectual capital without superior. <h3>Education & Guidelines</h3> <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/team-edu-guid-icon1.png" alt="image" /> <h4>Google Company</h4> Sr. Engineer in 2010 <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/team-edu-guid-icon3.png" alt="image" /> <h4>2001 - 2003</h4> BS, engineering, (UK) <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/team-edu-guid-icon2.png" alt="image" /> <h4>Spotify Company</h4> Lead Team in 2017 <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/team-edu-guid-icon4.png" alt="image" /> <h4>2004 - 2007</h4> BS, engineering, (NYC) <h3>Professional Skills</h3> Proactively envisioned multimedia-based expertise and cross-media growth strategies. Seamlessly visualize quality intellectual capital. Successful Project Completed Business Growth Satisfied Customer Client reviews <h2>What people saying about our work</h2> We solve worldwide industrial every problem the heart of global. <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/company-logo.png" alt="Bm Ashik Toren" /> At the heart of the global landscape, the industry stands there force of progress driving. <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/testi-img1.png" alt="Bm Ashik Toren" /> <h5>Bm Ashik Toren</h5> Founder <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/company-logo.png" alt="Brish Jhonson" /> It is a long established fact that a reader content of a page when looking at its of oflayout the point of using. <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/02/team_home_1_img_3.png" alt="Brish Jhonson" /> <h5>Brish Jhonson</h5> Web Developer <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/company-logo.png" alt="Marry Jaen" /> It is a long established fact that a reader content of a page when looking at its of oflayout the point of using. <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/02/t_h_1.jpg" alt="Marry Jaen" /> <h5>Marry Jaen</h5> Web Designer <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/01/company-logo.png" alt="Alen Walker" /> At the heart of the global landscape, the industry stands there multidimensional force of progress driving. <img src="https://industrie.rstheme.com/main/wp-content/uploads/2024/02/t_h_2.jpg" alt="Alen Walker" /> <h5>Alen Walker</h5> Manager
Testimonials

What people say about Our Products

More Reviews
P. Kularatne
I wish for their development and sustainability in this volatile period as they keep on delivering better products
P. Kularatne
P. Kularatne
Chaminda Fernando
It is a pleasure to work with Coalterch, I hope they will keep up the good work.
Chaminda Fernando
Chaminda Fernando
L. K. Kumara
High-quality activated carbon with excellent absorption performance.
L. K. Kumara
L. K. Kumara
Ruwan Darshana
Reliable supplier of coconut shell activated carbon.
Ruwan Darshana
Ruwan Darshana
Inside Coaltech

A closer look at our facilities and operations

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Updates

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Contact

Looking for the right carbon solution?

Get in touch with us

Address

Maniktenna Estate, Unaleeya, Kithalawa, Sri Lanka.

Phone Number

(+94) 77 777 7736

Email Address

Interested in working with us?
coaltech@sltnet.lk

Opening Hour

Mon - Fri: 09am - 07pm

Get in Touch

Have a question? Contact CoalTech and our team will assist you.


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