Ọna igbaradi ti formaldehyde ọfẹ ọfẹ ati ibi ipamọ-iduroṣinṣin iṣuu soda bisulfite formaldehyde

Nkan naa ṣafihan ọna igbaradi ti formaldehyde ọfẹ ọfẹ ati ibi ipamọ-stablerongalite, eyiti o ni awọn igbesẹ ti lẹsẹsẹ fifi iṣuu soda metabisulfite, lulú zinc, ayase ati formaldehyde sinu eto ifa lati gba isodium formaldehyde sulfoxylate ojutu.

Awọn agbo ogun polyphenol ati desiccant ti wa ni afikun si ojutu lati gba idapo iṣọkan ati iduroṣinṣin iṣuu soda formaldehyde sodium sulfoxylate ojutu ibi ipamọ, ati nikẹhin ogidi ati gbigbe lati gba formaldehyde ọfẹ ọfẹ ati ibi ipamọ-stablerongalite.

Sodium formaldehyde sulfoxylate ti pese sile nipa gbigbe ọna igbese kan, ati formaldehyde-ọfẹ ati ibi ipamọ-stablerongalite ni a gba nipasẹ fifi kun polyphenol yellow ati silica gel.

Ọna naa mọ ọna iwọn otutu kekere-igbesẹ kan fun igbaradi therongalite eyiti ko jẹ formaldehyde ọfẹ ati iduroṣinṣin ni ibi ipamọ, ọna naa dinku iwọn otutu ifasẹyin ati akoko ifasẹyin ti o nilo fun murasilẹ theformaldehyde sodium sulfoxylate, ṣafipamọ agbara agbara ati akoko, mu ṣiṣe iṣelọpọ pọ si. , dinku iye owo iṣelọpọ, ati peserongalite kii ṣe formaldehyde ọfẹ ati mu iduroṣinṣin ipamọ pọ si.

Isejade ofsodium bisulfite formaldehyde nipasẹ ọna yii ni awọn ilana akọkọ mẹta: ifasilẹ idinku iyọkuro, iyapa olomi-lile ati evaporation ati crystallisation.