Calcium formate siam dan hi chemical product siamna technical field-ah a tel a ni. Calcium formate hi organic chemical raw material hman lar tak a ni. Tunah hian calcium formate siam dan awmsa te hian product man to tak tak leh bawlhhlawh tam lutuk an tuar a ni.
He technology hian formaldehyde, acetaldehyde leh calcium hydroxide te chu molar ratio 4.2~8:1:0.5~0.6-ah condensation reaction a nei a, chu chu formic acid nen a inrem leh a ni. A kalphung chu hetiang hi a ni:Acetaldehyde, formaldehyde, calcium hydroxide, leh formic acid te chu condensation kettle-ah a chunga ratio angin reaction atan dahin, temperature chu 16°C leh 80°C inkarah control a ni a, reaction time chu darkar 1.5~4-ah dah a ni. Reaction zawhah chuan solution chu neutral ah an siam leh thin. Chu solution lo chhuak chu pressure distillation, vacuum concentration, leh centrifugal drying hmangin calcium formate siam a ni a; centrifugal mother liquor chu an la chhuak a, pentaerythritol an siam chhuak ta a ni.
Post hun chhung: Dec-31-2025
