隨著水體富營養(yǎng)化的加重,污水的生物脫氮除磷技術(shù)越來越受到廣泛的關(guān)注,成為減少環(huán)境污染,促進(jìn)生態(tài)平衡的重要途徑.
With the increase of the water-body eutrophication, wastewater biological nitrogen phosphorus removal technology is more and more widely concern, become reduce the pollution of the environment, promote the ecological balance of important ways.
脫氮除磷工藝傳統(tǒng)的反硝化硝化法是國內(nèi)外采用最多的工藝,而碳源在反硝化過程中的作用是至關(guān)重要的.
Take off nitrogen phosphorus removal process is the traditional denitrifying nitration method is the most of the technology at home and abroad, and carbon source in denitrification process function is very important.
甲醇是公認(rèn)的最廉價的外加碳源,但由于存在安全隱患,乙酸鈉正越來越成為研究的熱點(diǎn).
Methanol is recognized as the most cheap and carbon sources, but since there are potential safety problems, acetic acid sodium is more and more become the research focus.
本文研究了以乙酸鈉為外加碳源時,在何時投加乙酸鈉時系統(tǒng)硝化和反硝化的效率最高,即碳源投加點(diǎn)的優(yōu)化.
This paper studies the acetic acid and sodium in for carbon sources, when dosing system when acetic acid sodium nitrification and denitrification efficiency of the highest, namely carbon source for some optimization.
針對李村河污水處理廠脫氮效率低的狀況,試驗(yàn)?zāi)M了李村河污水處理廠的系統(tǒng).
Licunhe sewage treatment plant to take off for nitrogen efficiency low status, experimental simulation licunhe sewage treatment plant of the system.
本試驗(yàn)在溫度為12-17℃,回流比為300％條件下進(jìn)行,由于硝化效果非常好,所以后期主要研究外加乙酸鈉對反硝化的影響.
This test in the temperature of 12-17 ℃, reflux ratio is 300% conditions, due to nitration effect is very good, so later research and acetic acid sodium to the influence of the activity.
又由于反硝化歷時100min之后效果不好,后期主要研究反硝化歷時100分鐘的處理效果.
And with the denitrifying lasted 100 min after the result is bad, later research denitrifying lasted 100 minutes of the treatment effect.
通過對比研究,得出在缺氧反應(yīng)20min時投加乙酸鈉對脫氮效果最好.
Through the comparative study, in 20 min reaction that oxygen when acetic acid sodium dosing of denitrification best effect.
With the increase of the water-body eutrophication, wastewater biological nitrogen phosphorus removal technology is more and more widely concern, become reduce the pollution of the environment, promote the ecological balance of important ways.
Take off nitrogen phosphorus removal process is the traditional denitrifying nitration method is the most of the technology at home and abroad, and carbon source in denitrification process function is very important.
Methanol is recognized as the most cheap and carbon sources, but since there are potential safety problems, acetic acid sodium is more and more become the research focus.
This paper studies the acetic acid and sodium in for carbon sources, when dosing system when acetic acid sodium nitrification and denitrification efficiency of the highest, namely carbon source for some optimization.
Licunhe sewage treatment plant to take off for nitrogen efficiency low status, experimental simulation licunhe sewage treatment plant of the system.
This test in the temperature of 12-17 ℃, reflux ratio is 300% conditions, due to nitration effect is very good, so later research and acetic acid sodium to the influence of the activity.
And with the denitrifying lasted 100 min after the result is bad, later research denitrifying lasted 100 minutes of the treatment effect.
Through the comparative study, in 20 min reaction that oxygen when acetic acid sodium dosing of denitrification best effect.