长江科学院院报
長江科學院院報
장강과학원원보
JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTITUTE
2015年
6期
15-19
,共5页
黄茁%冯雪%赵鑫%赵伟华
黃茁%馮雪%趙鑫%趙偉華
황촬%풍설%조흠%조위화
纳污能力%邻苯二甲酸二丁酯%降解系数%数值模拟%示踪试验
納汙能力%鄰苯二甲痠二丁酯%降解繫數%數值模擬%示蹤試驗
납오능력%린분이갑산이정지%강해계수%수치모의%시종시험
allowable permitted assimilative capacity of river%DBP%degradation coefficient%numerical simulation%tracer test
以邻苯二甲酸二丁酯(DBP)为典型污染物,采用室内水槽试验、数值模拟及野外示踪试验,分析了水体中污染物降解的主要影响因素,研究了流速、含沙量、粒径等因素对污染物降解过程的影响,并将结果与水质模型进行耦合,提出了新的纳污能力计算方法。分别采用该方法以及《水域纳污能力计算规程》和《全国水资源综合规划地表水资源保护补充技术细则》的计算方法,计算了长江武汉段青山工业用水区DBP纳污能力。结果表明,基于数值模拟的纳污能力计算方法可以解决降解系数取值问题,可为更准确地核定水域纳污能力提供技术支撑。
以鄰苯二甲痠二丁酯(DBP)為典型汙染物,採用室內水槽試驗、數值模擬及野外示蹤試驗,分析瞭水體中汙染物降解的主要影響因素,研究瞭流速、含沙量、粒徑等因素對汙染物降解過程的影響,併將結果與水質模型進行耦閤,提齣瞭新的納汙能力計算方法。分彆採用該方法以及《水域納汙能力計算規程》和《全國水資源綜閤規劃地錶水資源保護補充技術細則》的計算方法,計算瞭長江武漢段青山工業用水區DBP納汙能力。結果錶明,基于數值模擬的納汙能力計算方法可以解決降解繫數取值問題,可為更準確地覈定水域納汙能力提供技術支撐。
이린분이갑산이정지(DBP)위전형오염물,채용실내수조시험、수치모의급야외시종시험,분석료수체중오염물강해적주요영향인소,연구료류속、함사량、립경등인소대오염물강해과정적영향,병장결과여수질모형진행우합,제출료신적납오능력계산방법。분별채용해방법이급《수역납오능력계산규정》화《전국수자원종합규화지표수자원보호보충기술세칙》적계산방법,계산료장강무한단청산공업용수구DBP납오능력。결과표명,기우수치모의적납오능력계산방법가이해결강해계수취치문제,가위경준학지핵정수역납오능력제공기술지탱。
With dibutyl phthalate(DBP)as a typical pollutant,a novel method of calculating the allowable permitted assimilative capacity is put forward.The effects of flow velocity,sediment concentration,and particle size onthe degradation of contaminants in water were analysed through indoor flume experiment,numerical simulation experiment and tracer experiment in river.And the analysis results were coupled with water quality model to establishthis new method.The allowable permitted assimilative capacity of DBP in Qingshan industrial water functional zonewas calculated respectively by this simulationbased method and the given methods from Standard Practice for Calculating Pollutant Carrying Capacity ofWater and Supplementary Technical Rules for Surface Water Resources Protection ofthe National Integrated Water Resources Plan.Calculation results prove that this method solves the problemof the values of degradation parameters,and offers a technical support for confirming the allowable permitted assimilative capacity of river more accurately.