生物接触氧化工艺旁路净化城镇湖泊景观水的性能
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2020-03-20 12:09:06
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净水技术2017,36(6):58-64WaterPurificationTechnology邝红艳,虢清伟,陈思莉,等•生物接触氧化工艺旁路净化城镇湖泊景观水的性能[JL净水技术,2017,6(6):58-64.KuangHongyan,GuoQingwei,ChenSili,etal.Performanceofbypasspurificationtechnologyofbiologicalcontactoxidationprocessforurbanlakelandscapewatertreatment[J].WaterPurificationTechnology,2017,36(6):58_64.生物接触氧化工艺旁路净化城镇湖泊景观水的性能邝红艳1,虢清伟2,陈思莉2,黄大伟2,白洁琼2,顾晓扬3(1.广东工业大学,广东广州510006;.环境保护部华南环境科学研究所,广东广州510655;.广州市华绿环保科技有限公司,广东广州510655)摘要针对城镇湖泊景观水体富营养化、内源污染严重及水体自身净化能力有限的问题,采用组合塑料碳素纤维束生物接触氧化工艺作为湖泊的旁路净化技术强化净化景观水体,研究了不同水力负荷、溶解氧及填料高度对净化效果的影响,并分析其对景观水的净化效率。结果表明:组合塑料碳素纤维束作为填料用于生物接触氧化工艺净化景观水具有较好的效果;在水力负荷为0.071m/h、溶解氧为2~3mg/L、滤层高度为0.6m条件下,对C0D、TN和TP去除效果最好,去除率分别达到81.54%、75.05%和63.73%;处理100L的湖泊景观水C0D、TN和TP达到GB3838—2002的汉类水质质量标准用时为17h。关键词生物接触氧化碳素纤维束旁路净化技术景观水中图分类号:X703.1文献标识码:A文章编号:1009-0177(2017)06-0058-07DOI:10.15890/j.cnki.jsjs.2017.06.010PerformanceofBypassPurificationTechnologyofBiologicalContactOxidationProcessforUrbanLakeLandscapeWaterTreatmentKuangHongyan1,GuoQingwei2,ChenSili2,HuangDawei2,BaiJieqiong2,GuXiaoyang3(i.GuangUniversityofTechnology,Guangzhou510006,China;2.SouthChinaInstituteofEnvironmentalSciences,MinistryofEnvironmentalProtection,Guangzhou510655,China;3.GuangzhouHualuEnvironmentalTechnologyCo.,Ltd.,Guangzhou510655,China)AbstractInordertosolvetheproblemsofeutrophication,heavilyendogenousandlackofself-purificationcapacityinurbanlandscapewater,biologicalcontactoxidationprocesswasappliedasabypasspurifyingtechnologytostrengthenthepurificationabilityoflake.Theresultsdemonstratedthatthetreatmentofurbanlandscapewaterbybiologicalcontactoxidationprocessusinghybridplastic/carbonfiberwasfeasible.Thestudyanalyzedtheinfluenceofhydraulicload,dissolvedoxygen(DO)andfilteringlayersectiononthepurificationprocesswithspecialfocusontheefficiencyofpurification.TheresultsshowedthatthehighestremovalefficiencyofCOD,TNandTPofultimateeffluentwasobservedinthebiologicalcontactoxidationprocessunderconditionsofhydraulicloadof0.071m/h,DOof2〜3mg/L,filterheightof0.6m,andtheremovalrateamountedto81.54%,
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