About Us


Fruit ripening by ethylene application used to be a risky business. Bulky cylinders and awkward lecture tubes made the entire process difficult, expensive, unpredictable and sometimes dangerous, which is why we started Catalytic Generators, LLC. We knew there had to be a better way.

After extensive research and experimentation, our vision became a reality. In 1973, the Catalytic Generator and Ethy-Gen® Ripening Concentrate were patented, and suddenly fruit ripeners had a safe, easy method for applying ethylene.

Now ripeners in Australia have this technology readily available!

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Greg Akins | Catalytic Generators USA, Leigh Cummin | Catalytic Generators Australia, Phil Cummin | Catalytic Generators Australia

Catalytic Generators, LLC has teamed up with Leigh & Phil Cummin, experts in Australian ripening rooms, to form Catalytic Generators Australia Pty LTD.  The same products and service available to ripeners in North America, the UK and other parts of the world are in Australia. No longer do Australian ripeners have to use dangerous and unpredictable cylinder ethylene; no more use of the unreliable “one-shot method” of injecting large quantities of ethylene to ensure that enough ethylene remains in the room for 24 hours.

No more using “Ripe Gas,” which contains only 4.5% ethylene mixed in with a Carbon Dioxide propellant…an inefficient and unwise way to apply ethylene. Why?  Why does one vent a ripening room?  To remove the Carbon Dioxide that the fruit emits. So why use a product that adds even more Carbon Dioxide to the ripening room? Our product creates almost pure ethylene in your ripening room under a “trickle system.”

The trickle system: Our process of ethylene production is controlled by a mini-computer inside of each generator.  It is intelligently engineered to regulate the conversion of Ethy-Gen® II and allows calculated and small amounts to enter the heated catalyst chamber.  This precise control permits the generator to continuously emit ethylene…the “trickle” method as the ripening industry refers to it, for better, uniform fruit ripening.  The result is a system that is reliable, robust and safe, while creating enough ethylene to ripen tons of fruit.

Not only does our system offer these advantages, but also the fact that you cannot create an explosive amount of ethylene in ripening rooms using Catalytic Generators and Ethy-Gen® II (minimum room size is 43m3).

Contact Catalytic Generators Australia today to see how easy, safe and affordable it is to apply ethylene to fruit with our system.

Just like a piece of fruit maturing, our generator has changed over the years, inside and out. From the awkward 70’s years to the stainless steel 80’s model, all the way to the current svelte version, our generators are constantly changing and improving.

View the progression here:

Contact Catalytic Generators Australia in Melbourne, Australia for more information or to order our generators and Ethy-Gen® II Concentrate.