Adwumayɛ tebea a ɛwɔ vacuum dryer no mu .

Wɔayɛ vacuum dryer no titiriw ama ɔhyew a ɛyow-a ɛyɛ mmerɛw, ɛnyɛ den sɛ ɛbɛporɔw na ɛnyɛ den sɛ ɛbɛhyew. Wobetumi de gas a ɛnyɛ adwuma ahyɛ mu ma wɔ mu. Sɛ nhwɛso no, wobetumi ama nneɛma bi a ɛwɔ nneɛma a ɛyɛ den nso ayow ntɛmntɛm. Sɛ ɛyow wɔ nhyɛso a ɛba fam ase a, oxygen a ɛwɔ mu no sua koraa, na eyi betumi asiw oxidation ne sɛnea nneɛma no sɛe no ayow ano. Enti, ebetumi nso ayow nneɛma bi a ɛyɛ hu a ɛyɛ hu na ɛpae. Ebetumi nso ayɛ nsu a ɛwɔ nneɛma no mu wɔ ɔhyew a ɛba fam mu, na ama ayɛ mmerɛw sɛ wobɛma ɔhyew bi a ɛwɔ hɔ-nneɛma a ɛyɛ mmerɛw no ayow. Ebetumi nso asan anya nneɛma a ɛsom bo na mfaso wɔ so a ɛwɔ nneɛma a ayow no mu no. Eyi betumi asiw nneɛma bi a awuduru wom na epira a ɛwɔ nneɛma a ayow no mu a wɔtow gu no ano, na ama ayɛ "ahabammono" a wɔde bɛyow a ɛnyɛ nea atwa yɛn ho ahyia.