Catalyst Services

Clean Harbors Catalyst Services is a global full-service catalyst loading company.  For more than three decades, we have been helping refineries and chemical and petrochemical plants around the world improve their bottom line by eliminating unnecessary downtime by providing all phases of catalyst change out.

Learn more about our Catalyst Services

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We remove and replace spent catalyst from process vessels within the refining, chemical and petrochemical industries.  Services include inert entry into confined spaces, catalyst screening and segregation of materials.  Our trained professionals are focused on safety and customers and utilize equipment and processes to do the job right, any where, any time.

Safety is Top Priority

Safety is an integral part of training, technology, and culture at Catalyst Services and our commitment to continuously improve safety is evident at every level.  No where is this more apparent than in the ongoing improvement of our advanced life support system and inert entry procedures.

Our employees are the most experienced in the industry and constitute the largest dedicated catalyst handling workforce in the world. Our people are highly trained in loading and unloading catalyst as well as servicing and maintaining reactors and vessels. Because of the unique Service Quality Initiative, our people are constantly striving to improve their daily work performance through safety, timeline accuracy, productivity and housekeeping.  Learn more

Leading Edge Equipment

  • Life support
  • Vacuum unloading
  • Screening equipment
  • Modular equipment

Because we design and manufacture our own the state-of-the-art equipment we use, you can be sure that your catalyst handling job is being performed with optimum operating efficiency and effectiveness.

As a result of our service quality initiative, we are designing and rolling out the next generation of Catalyst Services equipment designed to provide faster set up time, less maintenance and better inventory control.  With its modular design this equipment can be deployed, virtually at a moments notice, to any job site in the world.  Our research and engineering team is always available, and as a final safeguard, our experienced maintenance team addresses any operating issue should one arise.

State-of-the-art Life Support Systems

Our modular system features video inspection, recording capabilities, and Bluetooth wireless communications.

Certified in ISO 9001:2000, 14001:2004 and 18001:1999

We have accredited certification in quality, environmental, and health & safety management systems.


Time is money and technology is key to reducing costs for labor intensive services.  Utilizing new technology, our innovative equipment is designed for easy set-up and less maintenance producing quicker response, decreased downtime, and faster return to normal operations for our customers.


Besides having the most combined experience anywhere, our employees make up the largest dedicated catalyst handling work force in the world.  Clean Harbors Catalyst Services employees are highly trained in catalyst unloading and loading as well as reactor and vessel service maintenance.