Ɔkwan a wɔfa so yɛ calcium formate no yɛ mfiridwuma mu nneɛma a wɔde yɛ nnuru a wɔde yɛ nneɛma no dea. Calcium formate yɛ nnuru a wɔde yɛ nnuru a wɔde di dwuma kɛse. Mprempren, akwan a wɔfa so yɛ calcium formate dedaw no hu amane wɔ nneɛma ho ka kɛse ne efĩ a ɛboro so ho.
Saa mfiridwuma yi hwehwɛ sɛ wɔde formaldehyde, acetaldehyde, ne calcium hydroxide yɛ condensation reaction wɔ molar ratio 4.2 ~ 8:1:0.5 ~ 0.6, na ɛno akyi no wɔde formic acid yɛ adwuma bio. Adeyɛ no te sɛ nea edidi so yi:Wɔde acetaldehyde, formaldehyde, calcium hydroxide, ne formic acid gu condensation kettle mu wɔ atifi hɔ nsusuwii no mu ma ɛyɛ adwuma, na wɔhwɛ ɔhyew no so wɔ 16°C ne 80°C ntam, na wɔde bere a wɔde yɛ ade no si hɔ sɛ nnɔnhwerew 1.5 ~ 4. Sɛ wɔyɛ ade no wie a, wɔsesa ano aduru no ma ɛnyɛ nea ɛnyɛ hwee. Wɔde pressure distillation, vacuum concentration, ne centrifugal drying aduru a efi mu ba no yɛ calcium formate; wɔsan nya ɛna nsa a ɛwɔ centrifugal no ma wonya pentaerythritol.
Bere a wɔde bɛkyerɛw: Dec-31-2025
