当前位置: X-MOL 学术Top. Catal. › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Treatment of Agricultural Wastewater with Chlorpyrifos by Coupling of Heterogeneous Photocatalysis and Anaerobic Biological Process
Topics in Catalysis ( IF 3.6 ) Pub Date : 2020-05-29 , DOI: 10.1007/s11244-020-01281-4
Dorance Becerra , Ingrid Barrientos , Ana Rodriguez , Fiderman Machuca-Martinez , Luisa Ramírez

Treatment of wastewater with Chlorpyrifos content using heterogeneous photocatalysis was evaluated, for which a compound parabolic collector (CPC) was used, under different combinations of pH and TiO2 concentration designed using the response surface methodology (RSM), and an anaerobic biological process based on the specific methanogenic activity test (SMA), using a flocculent sludge and an initial concentration of 2.0 g VSS/L. Initially, water resulting from the triple washing of equipment for manual application of Chlorpyrifos from the El Zulia Irrigation District and the municipality of Bucarasica were characterized. In the biological process, COD and TOC removals of 46.4% and 86.6% were obtained; while by applying preliminary photocatalytic processes, under optimal conditions of TiO2 (100 mg/L), pH (3 units) and retention time (3 h), better biodegradability efficiencies (72.2% and 53.0%) were achieved. The results revealed that the combined use of advanced oxidation processes with biological treatment technologies is technically viable, as it increases the efficiency of removing contaminants from agricultural effluents with Chlorpyrifos.



中文翻译:

非均相光催化与厌氧生物处理联用毒死Waste处理农业废水。

评估了使用均相光催化处理毒死content含量的废水的情况,其中使用复合抛物线捕集器(CPC),在不同pH和TiO 2浓度组合下使用响应表面方法(RSM)设计的厌氧生物工艺特定的产甲烷活性测试(SMA),使用的是絮状污泥,初始浓度为2.0 g VSS / L。最初,对来自El Zulia灌溉区和Bucarasica市的用于手动施用毒死equipment的设备进行三次清洗的水的特性得到了表征。在生物过程中,COD和TOC的去除量分别为46.4%和86.6%;而通过采用初步的光催化工艺,在最佳条件下TiO 2(100 mg / L),pH(3单位)和保留时间(3 h),获得了更好的生物降解效率(72.2%和53.0%)。结果表明,将先进的氧化工艺与生物处理技术结合使用在技术上是可行的,因为它可以提高毒死rif从农业废水中去除污染物的效率。

更新日期:2020-05-29
down
wechat
bug