Vacuum freeze dryer mu vacuum range a ɛyɛ daa no taa yɛ 10 Pa ne 1000 Pa, a bo pɔtee no nya nneɛma no su ne mfiridwuma a wɔde yɛ adwuma no so nkɛntɛnso. Saa vacuum range yi so wɔ mfaso ma sublimation rate no ntɛmntɛm na ɛma drying efficiency tu mpɔn.
Vacuum level a ɛwɔ vacuum freeze dryer mu no kyerɛ baabi a mframa a ɛwɔ mu no sua sen abɔnten so wim nhyɛso. Saa parameter yi ho hia ma adwinnade no adwumayɛ a ɛfata ne drying effect. Nanso, bo biara nni hɔ a ɛyɛ pɛ na ɛyɛ pintinn ma vacuum dodow a ɛfata a ɛwɔ freeze dryer mu, efisɛ nneɛma ahorow ka ho, a nea ɛka ho ne mfiri no su, nea ɛkyerɛ, sɛnea wɔde di dwuma, ne sɛnea ɛyɛ adwuma.
