Laitram’s patented CoolSteam® nut pasteurization technology is an all-natural, continuous-flow process with verified settings to achieve a 5log+ reduction of salmonella with excellent product quality and low capital and operating costs. 

CoolSteam® Nut Pasteurizers are configurable to meet customer-specific needs. The modular design accommodates many capacity requirements. 

Why Pasteurize Nuts?

Certain organisms, such as salmonella, can survive on the surface of a nut for an extended period of time in a dormant state and in fact, recent studies indicate the low moisture conditions actually strengthen the heat resistance and persistence of these organisms. Hence, the application of surface pasteurization treatments for tree nuts is becoming more commonplace.  Read more..

CoolSteam® Blue

CoolSteam® Blue raw pasteurizes almonds for a 5log+ reduction in pathogens, like Salmonella. CoolSteam® is TERP approved by the Almond Board.  The continuous process preheats, pasteurizes, dries, and cools.

Our all-natural, low-temperature forced-convection pasteurization maintains excellent crunch, eliminates skin lifting, and produces perfect-tasting nuts

CoolSteam® Black is a fully-integrated system that adds to all the benefits of the CoolSteam Blue Pasteurizer but adds a Precision Roaster and an in-line brining option.

CoolSteam® Black continuously processes utilizing forced-convection technology to pasteurize and roast almonds efficiently.

The integrated briner allows processors to pasteurize, brine, roast, and cool in one fully integrated system. No need for product handling between steps.

CoolSteam® Users

TESTIMONIALS

"We are so satisfied with our new pasteurizer that we are drawing up plans for a second Laitram CoolSteam line. The entire Laitram team has been great to work  with. We look forward to a very long-term relationship with the good folks at Laitram."

Nichols Farms

"The CoolSteam Pasteurization system is an all-natural method that maintains the quality and integrity of the cashews, macadamia nuts, and pecans we are currently running through the line. Our operations team has found the equipment to be very user-friendly. The recording and built-in monitoring of vital elements of the process instills great confidence that the equipment is meeting or exceeding performance expectations."

Pure and Natural Food Consortium