About Us

Our company grew exponentially over the past 20 years, establishing itself as a leading and only company in South Africa that has the capability to permanently remove halogenated organic waste, an environmentally-friendly alternative to the conventional methods of encapsulation or exportation abroad.

Contact Us

  • 011 316-1800 / 011 316-4999
  • sales@athermal.co.za
  • 28 Keramiek Street, Clayville; Olifantsfontein South Africa
Head Office: Clayville
28 Keramiek, Olifantsfontein, RSA
Contact: +27 87 551-1001
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About A-Thermal


Our company grew exponentially over the past 20 years, establishing itself as a leading and only company in South Africa that has the capability to permanently remove halogenated organic waste, an environmentally-friendly alternative to the conventional methods of encapsulation or exportation abroad.

A-Thermal prides itself on ensuring our clients have peace of mind with the knowledge that any waste brought into its premises will be treated to ensure it becomes non-hazardous to the environment. We take our responsibility in environmentally sustainable solutions for waste treatment seriously.

Our Vision

It is our vision to be a safe, best-in-class hazardous and toxic waste thermal-destruction company, who delivers services and products of the highest quality, on time and within the agreed budget, promoting client confidence and trust.

Our Mission

A-Thermal’s mission is to enable our clients to remove their hazardous and toxic waste in a responsible and environmentally friendly manner. We achieve this by fostering strong and lasting stakeholder relationships and adding value to our clients’ businesses:

  • We build partnerships with our client’s identity and pursue real business opportunities that solve business challenges.
  • We develop and involve a loyal, reliable, innovative and cost-competitive partner base.
  • We implement and continually upgrade the best processes, systems and tools available.
  • We design, align and build an organisation of highly skilled, technically minded and business-orientated professionals.

Company Milestones and Achievements

1996 – Dr. Christos Eleftheriades introduced the concept of pyrolysis technology to South Africa and the company was founded.
2002 – A-Thermal establishes itself at their current premises in Olifantsfontein.
2004 – Issued with a RoD, Section 20 Permit and APPA Permit to operate our Thermal Desorption Treatment Plant.
2009 – ISO 14001:2004 Certified
2010 – Another milestone in treating over 5,000 tons of PCB Waste since our inception.
2010 – Issued with a Waste Management License by DEA.
2012 – CAIA Responsible Care Signatory.
2014 – Issued with an Air Emissions License.
2016 – Fully certified integrated management system including ISO 9001:2008 and OHSAS 18001: 2007 certification.
2016 – Gas Clean-Up Upgrade will ensure compliance Air Emission Standards for 2020. A-Thermal decided to take proactive approach to compliance. The equipment was designed and manufacturing by our team and local experts in the field.


Below is a listing of our certifications

  • Waste Management License
  • Atmospheric Emission License
  • A-Thermal Storage Registration
  • GPF-00-011
  • GPT-04-218
  • GPG-10-266
  • ISO 9001 Certification
  • ISO 14001 Certification
  • ISO 45001 Certification

To request a copy, get in touch with our team.

Our People

“A-Thermal is a technology based company with highly qualified and determined personnel, offering world class solutions for clients that meet South African and international standards. Our focus is to ensure that we preserve the environment for future generations. Our drive is to ensure we engineer the best possible solution for waste treatment to meet the specific needs of our clients and customers. A-Thermal aims to maximise the individual potential of its employees as they develop new solutions – looking for a greener tomorrow.” - Founding Director Dr. C.M. Eleftheriades

At A-Thermal Retort Technologies, our highly qualified personnel are trained in world-class hazardous and toxic waste thermal-destruction solutions.

At A-Thermal Retort Technologies we are driven by our cutting edge technology and R&D. Our staff are all passionate, highly qualified and experienced in hazardous and toxic waste management solutions that are on par with international standards. Our key focus is to ensure that we preserve the environment for future generations. Our drive is to ensure that we engineer the best possible solution for waste treatment to meet the specific needs of our clients.

A-Thermal Retort Technologies is a diverse, team-orientated company with a strong emphasis on implementing innovative solutions for hazardous waste treatment. Due to the wide variety of client needs, our employees are adaptable and experts in problem solving to overcome challenges presented. We create solutions in line with best practices and ensure hazardous waste treatment is environmentally responsible.

Our employees are given the opportunity to pursue projects in an entrepreneurial spirit. All work on site is safety oriented and specialist training is provided. A-Thermal encourages career development through training, studying and seminars – implemented at all levels.

A-Thermal also ensures social and community support through sponsorships. We utilise local businesses as suppliers and consulting partners. As the business expanded our staff base grew, thus ensuring job creation. Expansion now progressed to allow the creation of a worker’s trust fund.

Our engineering team consists of six chemical engineers – Holding Masters Degrees as well as being recognised with ECSA and are specialists in the following areas:

  • Hazardous waste pyrolysis and thermal oxidation
  • High temperature gas-solid reactions
  • High temperature fluidization
  • Biomass and waste gasification
  • Hazardous waste transport, storage and waste declassification
  • Gas cleaning and air quality / environmental impact
  • Water recovery from wet scrubbing
  • Process equipment design

A-Thermal Winter Games is an annual one day sport extravaganza hosted in conjunction with Olifantsfontein Primary School. A-Thermal Retort Technologies is the Main Sponsor of A-Thermal Winter Games.

The goal is to raise much-needed resources for buying sports equipment for Olifantsfontein Primary School, uplift and educate the surrounding communities and to make communities stronger by bringing people together for a common goal. A-Thermal Retort Technologies assists in conducting educational environmental talks to surrounding schools where they concentrated on the importance of our environment. Pupils are given educational talks about environment, waste management and pollution.

We service to educate children in the communities about their surrounding land and environment and the importance of Reduce, Reuse and Recycle commonly known as the 3 R’s.

Corporate Responsibility

A-Thermal Retort Technologies has a solid reputation for contributing toward nation building, stretching as far back as the establishment of its production facility in Olifantsfontein, 20 years ago.

We recognise our obligation and responsibly towards the welfare and interests of the society in which it operates and aims to make a meaningful contribution by investing in the development, education, conservation and upliftment of these communities. We are committed to building a sustainable organisation by embracing the philosophy of giving back to the local community.

A-Thermal Retort Technologies prides itself in its social responsibility initiatives towards community Social, Educational, and Development Projects and supports numerous Charity Organisations. A-Thermal Retort Technologies considers it a privilege to be able to give back.

A-Thermal Retort Technologies supports Winnie United Football Club, a soccer team from surrounding community. We assist them in getting the necessary sports equipment needed in their day to day running of the team. 

A-Thermal Retort Technologies recognises the importance of the environment and as part of our company’s commitment to this, A-Thermal Retort Technologies has been ISO 14001 certified since 2009. This ensures that all activities, products, services and their impact on the environment is documented in an Environment Management System and communicated throughout the organization. The ISO14001 program involves not only measuring the results of our physical activities on the environment but more importantly creates awareness amongst all staff ensuring a culture that has the environment as its core.

Associated Companies

Medical Waste Removal by Autoclave Technology

Cecor Allied Technologies is the first commercial autoclave treatment facility to process medical waste in Gauteng. The unique form of non-burn technology adopted by Cecor is considered to be a more environmentally friendly and efficient method of medical waste removal. Cecor Allied is a technically innovative and progressive company with a strong focus on customer service, safety and compliance. They are conveniently situated in Olifantsfontein, Gauteng and can easily be accessed by the R21 and N1 highways.

Thermal Treatment of Biomass Waste Including Municipal Wastewater Sludges

Coal and Waste Utilisation (CWU) has been operating since 1988 in the waste sector with a focus on treating and managing waste streams in an effective and environmentally conscious manner. Currently, special emphasis is on wastewater sewage sludges from treatment works and utilisation sewage sludge combustion with energy recovery, including power generation. CWU specialises in fluidisation processes.

Biomass Gasification and Green Power

Carbo Consult & Engineering (CCE) owns the System Johansson Gas Producer (SJG) technology (since 1994) and undertakes the manufacturing and sales of power producing facilities. In 2010 Frost & Sullivan presented the South Africa Technology Innovation Award in South Africa to CCE, assessing that SJG technology is the only tar-free gasification technology in the world. SJG technology, based on the gasification of biomass in a fixed-bed downdraft gasifier, is unique, simple and efficient. The gas produced by the gasifier is used as fuel in a turbocharged, Internal Combustion Engine (ICE).