"Direct steam" refers to the process of using steam directly without any intermediaries or additional equipment. It means that steam is used immediately for a specific purpose without being converted, redirected, or stored. Full definition
They have all of the process capabilities and flexibility of our indirect systems, with the added capabilities of direct steam injection and vacuum cooling. (microthermics.com)
Traditionally, when heating with direct steam injection there is a compromise between heating speed and efficiency. (steaminfusion.oalgroup.com)
One question we are always asked by food processors is how does steam infusion differ from direct steam injection. (steaminfusion.oalgroup.com)