iṣuu soda formate
Awọn afihan akọkọ:
Akoonu: ≥20%, ≥25%, ≥30%
Ifarahan: omi ti o han gbangba ati titọ, ko si õrùn irritating.
Ohun elo omi: ≤0.006%
Idi pataki:
Lati tọju omi idoti ilu, ṣe iwadi ipa ti ọjọ-ori sludge (SRT) ati orisun erogba ita (ojutu iṣu soda acetate) lori denitrification ti eto ati yiyọ irawọ owurọ. Sodium acetate ni a lo bi orisun erogba afikun lati ṣe agbele sludge denitrification, ati lẹhinna lo ojutu ifipamọ lati ṣakoso ilosoke ninu pH lakoko ilana denitrification laarin iwọn 0.5. Denitrifying kokoro arun le adsorb CH3COONa pupo, ki nigba lilo CH3COONa bi ohun ita erogba orisun fun denitrification, awọn effluent COD iye le tun ti wa ni muduro ni kekere ipele. Ni lọwọlọwọ, itọju omi idoti ni gbogbo awọn ilu ati awọn agbegbe nilo lati ṣafikun acetate iṣuu soda bi orisun erogba lati pade awọn iṣedede itujade ipele akọkọ.
Didara sipesifikesonu
Nkan | PATAKI | ||
Ifarahan | Awọ sihin omi | ||
Akoonu (%) | ≥20% | ≥25% | ≥30% |
COD (mg/L) | 15-18w | 21-23w | 24-28w |
PH | 7-9 | 7-9 | 7-9 |
Irin Eru (%, Pb) | ≤0.0005 | ≤0.0005 | ≤0.0005 |
Ipari | Ti o peye | Ti o peye | Ti o peye |