CAJ | 학술논문

利用化学沉淀及吸附的方法，研究硫酸改性粉煤灰/炉渣混合物对含磷废水的去除效果。通过单因素对比试验考察粉煤灰/炉渣混合物投加量、pH值、反应温度、搅拌时间、静置时间对除磷效果的影响，并确定最佳工艺条件。实验结果表明：处理10 mg/L模拟含磷废水，硫酸改性粉煤灰/炉渣混合物(质量比1∶1)投加量为2 g/L、反应温度25℃、pH值为8、搅拌时间10 min、静置时间2 h为最佳工艺条件，除磷率在93%以上，符合国家污水排放一级标准。
이용화학침정급흡부적방법，연구류산개성분매회/로사혼합물대함린폐수적거제효과。통과단인소대비시험고찰분매회/로사혼합물투가량、pH치、반응온도、교반시간、정치시간대제린효과적영향，병학정최가공예조건。실험결과표명：처리10 mg/L모의함린폐수，류산개성분매회/로사혼합물(질량비1∶1)투가량위2 g/L、반응온도25℃、pH치위8、교반시간10 min、정치시간2 h위최가공예조건，제린솔재93%이상，부합국가오수배방일급표준。
In this paper,treatment technology of phosphorus wastewater with sulphuric acid modified fly ash/slag mixture was studied by using methods of chemical precipitation and adsorption. Through single factor con-trast experiments, influences of fly ash/slag mixture dosage, pH value, reaction temperature, stirring time, standing time on phosphorus removal efficiency were investigated in detail,and the optimum condition was de-termined. The experimental results showed that the phosphorus removal rate of treatment 10 mg/L simulate phosphorus wastewater was over 93% under the optimal conditions:fly ash/slag mixture dosage was 2 g/L, 25℃ reaction temperature,pH value was 8,10 minutes stirring time,2 hours standing time,which reached the first grade of the national standard for wastewater discharge.