东南大学学报(英文版)
東南大學學報(英文版)
동남대학학보(영문판)
JOURNAL OF SOUTHEAST UNIVERSITY
2014年
2期
251-254
,共4页
张海平%滕俊伟%姜月%尹秋晓
張海平%滕俊偉%薑月%尹鞦曉
장해평%등준위%강월%윤추효
高架道路径流%重金属%多环芳烃%内梅罗指数法%毒性
高架道路徑流%重金屬%多環芳烴%內梅囉指數法%毒性
고가도로경류%중금속%다배방경%내매라지수법%독성
highway runoff%heavy metal%PAHs%Nemerow index%method toxicity
对上海市高架道路17场降雨径流进行收集监测,分析了降雨径流中10种重金属和16种多环芳烃( PAHs)的浓度.结果表明:上海市高架道路径流中10种重金属As, Se, Zn, Pb, Ni, Fe, Mn, Cr, Cu和Al的浓度范围分别为0.50~51.80,0~20.80,13.67~445.80,0~44.20,0~15.80,39.58~264.20,0~253.00,0~8.20,0~124.20,159.83~536.40μg/L.其中,Se, Pb, Mn和Al浓度值超过了其对应的基准连续浓度,而Zn和Cu则超过了其所对应的基准最大浓度.径流中多环芳烃浓度值范围为37.25~114.57 ng/L,均低于对应的基准连续浓度.Zn, Cu和PAHs表现出明显的初期冲刷效应.运用改进的内梅罗指数法对径流水质进行评价,发现8场降雨径流样品水质生物毒性极强,4场生物毒性较强,3场生物毒性一般,仅有2场生物毒性较弱.因此,城市高架道路径流对水生态系统具有较高的生态风险,需对其进行净化处理.
對上海市高架道路17場降雨徑流進行收集鑑測,分析瞭降雨徑流中10種重金屬和16種多環芳烴( PAHs)的濃度.結果錶明:上海市高架道路徑流中10種重金屬As, Se, Zn, Pb, Ni, Fe, Mn, Cr, Cu和Al的濃度範圍分彆為0.50~51.80,0~20.80,13.67~445.80,0~44.20,0~15.80,39.58~264.20,0~253.00,0~8.20,0~124.20,159.83~536.40μg/L.其中,Se, Pb, Mn和Al濃度值超過瞭其對應的基準連續濃度,而Zn和Cu則超過瞭其所對應的基準最大濃度.徑流中多環芳烴濃度值範圍為37.25~114.57 ng/L,均低于對應的基準連續濃度.Zn, Cu和PAHs錶現齣明顯的初期遲刷效應.運用改進的內梅囉指數法對徑流水質進行評價,髮現8場降雨徑流樣品水質生物毒性極彊,4場生物毒性較彊,3場生物毒性一般,僅有2場生物毒性較弱.因此,城市高架道路徑流對水生態繫統具有較高的生態風險,需對其進行淨化處理.
대상해시고가도로17장강우경류진행수집감측,분석료강우경류중10충중금속화16충다배방경( PAHs)적농도.결과표명:상해시고가도로경류중10충중금속As, Se, Zn, Pb, Ni, Fe, Mn, Cr, Cu화Al적농도범위분별위0.50~51.80,0~20.80,13.67~445.80,0~44.20,0~15.80,39.58~264.20,0~253.00,0~8.20,0~124.20,159.83~536.40μg/L.기중,Se, Pb, Mn화Al농도치초과료기대응적기준련속농도,이Zn화Cu칙초과료기소대응적기준최대농도.경류중다배방경농도치범위위37.25~114.57 ng/L,균저우대응적기준련속농도.Zn, Cu화PAHs표현출명현적초기충쇄효응.운용개진적내매라지수법대경류수질진행평개,발현8장강우경류양품수질생물독성겁강,4장생물독성교강,3장생물독성일반,부유2장생물독성교약.인차,성시고가도로경류대수생태계통구유교고적생태풍험,수대기진행정화처리.
Urban highway runoff samples from seventeen rainfall events were collected in Shanghai in 2011. The concentrations of ten heavy metals and sixteen polycyclic aromatic hydrocarbons PAHs are analyzed. The results show that the heavy metal concentrations range within 0.50 to 51.80 As 0 to 20.80 Se 13.67 to 445.80 Zn 0 to 44.20 Pb 0 to 15.80 Ni 39.58 to 264.20 Fe 0 to 253.00 Mn 0 to 8.20 Cr 0 to 124.20 Cu and 159.83 to 536.40 μg/L Al . Se Pb Mn and Al concentrations in most samples exceed their corresponding criterion continuous concentrations CCCs while Zn and Cu concentrations exceed their criterion maximum concentrations CMCs .The concentrations ofΣPAHs range within 37.25 to 114.57 ng/L and concentrations of PAHs are all below their corresponding CCCs.Cu Zn and ΣPAHs show the first flush phenomenon. Analysis results of the modified Nemerow index method NIM indicate that runoff from eight rainfall events may have very strong biological toxicity effects four have strong effects three have moderate effects and only two have insignificant effects.Therefore it is concluded that urban highway runoff is a significant pollution source to aquatic ecosystems and needs immediate purification.