【摘要】：采用氣相色譜-質(zhì)譜技術(shù),研究甾體雌激素在4座具有深度處理工藝的污水廠中的去除效果。研究結(jié)果表明:4座污水廠的進(jìn)水中均檢出甾體雌激素,雌酮、17β雌二醇和雌三醇的質(zhì)量濃度為15.1~607.0 ng/L,高于國外污水廠進(jìn)水中雌激素的平均質(zhì)量濃度。污水廠對雌酮、雌三醇和乙炔基雌二醇平均去除率為88.1%~97.3%,優(yōu)于傳統(tǒng)的污水處理工藝;生物處理工藝段對甾體雌激素的去除占主導(dǎo)地位,且活性污泥系統(tǒng)對雌激素的去除效果優(yōu)于生物膜系統(tǒng)。沉淀預(yù)處理和混凝沉淀+過濾深度處理工藝段對甾體雌激素的去除效果不佳,平均去除率為10%~20%。4座污水廠均不能徹底去除污水中的甾體雌激素,污水廠尾水及剩余污泥中殘留較高質(zhì)量濃度雌激素。
[Abstract]:Gas chromatography-mass spectrometry (GC-MS) was used to study the removal efficiency of steroidal estrogen in four wastewater treatment plants with advanced treatment process. The results showed that steroid estrogens were detected in the influent of four wastewater plants. The estradiol and estriol concentrations of 17 尾 estradiol and estriol were 15.1 ng/L, and 607.0 ng/L, higher than the average concentration of estradiol in the influent of foreign wastewater treatment plants. The average removal rate of estradiol, estradiol and ethynyl estradiol in the wastewater treatment plant was 88.1and 97.3, which was superior to the traditional wastewater treatment process, and the removal of steroidal estrogen was dominant in the biological treatment process. The removal of estrogen by activated sludge system was better than that by biofilm system. The removal efficiency of steroid estrogen was not good in the process of precipitation pretreatment and coagulation precipitation filtration, and the average removal rate was 10% 20.4 sewage plants could not completely remove steroidal estrogen from sewage. The residue of estrogen in the tailings and excess sludge of the wastewater treatment plant was higher.
【作者單位】： 復(fù)旦大學(xué)環(huán)境科學(xué)與工程系;合肥工業(yè)大學(xué)土木與水利工程學(xué)院;中機(jī)國際工程設(shè)計(jì)研究院有限責(zé)任公司;復(fù)旦大學(xué)化學(xué)系;
【基金】：上海市自然科學(xué)基金資助項(xiàng)目(12ZR1440900) 高等學(xué)校博士學(xué)科點(diǎn)專項(xiàng)科研基金資助項(xiàng)目(20120071120033)~~
【分類號】：X703.1
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本文編號：2237585