Application of sodium acetate in sewage treatment plant

Application of sodium acetate in sewage treatment plant,
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1. Main indicators:
Content: ≥20%, ≥25%, ≥30%
Appearance: clear and transparent liquid, no irritating odor.
Water insoluble matter: ≤0.006%

2. Main purpose:
To treat urban sewage, study the influence of sludge age (SRT) and external carbon source (sodium acetate solution) on the system’s denitrification and phosphorus removal. Sodium acetate is used as a supplementary carbon source to domesticate the denitrification sludge, and then use a buffer solution to control the increase in pH during the denitrification process within the range of 0.5. Denitrifying bacteria can adsorb CH3COONa excessively, so when using CH3COONa as an external carbon source for denitrification, the effluent COD value can also be maintained at a low level. At present, the sewage treatment in all cities and counties needs to add sodium acetate as a carbon source to meet the first-level emission standards.

Sodium acetate plays an important role in regulating PH value in sewage treatment. Sodium acetate is an alkaline chemical substance that can be hydrolyzed to form OH- negative ions in water, which can neutralize bai acid ions in water, such as H+, NH4+, etc. Sodium acetate has been widely used in wastewater treatment industry in recent years, but do you know how it is used? Today, the small edition of Hebei Pengfa will discuss with you.

First of all, sodium acetate wasn’t originally used in the water treatment industry, it was always used in the printing and dyeing industry. Just because the sewage treatment industry is booming in recent years, and there is a real need for sodium acetate to improve the sewage treatment target. That’s why it’s used in the sewage industry. Sodium acetate was used as a supplementary carbon source to acclimate the denitrification sludge, and then buffer solution was used to control the rise of pH value in the denitrification process within 0.5 range. Denitrifying bacteria can overabsorb CH3COONa, so the COD value of effluent can be maintained at a low level when CH3COONa is used as an additional carbon source for denitrification. Currently, all city and county sewage treatment to meet discharge standards requires the addition of sodium acetate (sodium acetate) as a carbon source.