METAL POLLUTION RELEASE BY ROAD AEROSOLS

被引:9
作者
LEBRETON, L [1 ]
THEVENOT, DR [1 ]
机构
[1] UNIV PARIS 12,UFR SCI & TECHNOL,BIOELECTROCHIM & ANAL MILIEU LAB,F-94010 CRETEIL,FRANCE
关键词
D O I
10.1080/09593339209385126
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Because they are highly contaminated by heavy metals, road aerosols may pollute runoff waters. To estimate the mobility of some toxic metals such as Zn, Pb or Cd, these aerosols have been submited to a range of sequential chemical extraction (chemical speciation) and to laboratory release experiments. Both chemical speciation and reactor experiments show similar metal behaviour. Zn and Cd are extremely mobile (60 % released) while Pb, highly bound to particles, needs a change of ionic strength, pH or the presence of chelating agents (addition of NaCl, pH 4 buffer or N.T.A. respectively) to dissolve significantly.
引用
收藏
页码:35 / 44
页数:10
相关论文
共 31 条
[21]   ASSESSMENT OF METAL SPECIES BIOAVAILABILITY AND GEOCHEMICAL MOBILITY IN POLLUTED WATERS [J].
MORRISON, GMP ;
REVITT, DM .
ENVIRONMENTAL TECHNOLOGY LETTERS, 1987, 8 (08) :361-372
[22]   NTA AND LEAD SPECIATION IN NATURAL-WATER CONDITIONS [J].
MOTA, AM ;
GONCALVES, ML .
WATER RESEARCH, 1990, 24 (05) :587-590
[23]  
NG HYF, 1987, 4TH INT C URB STORM, P21
[24]  
OWE M, 1982, WATER RESOUR BULL, V18, P863
[25]  
PEREIRARAMOS L, 1980, TRIB EAU, V41, P9
[26]   DETERMINATION AND SPECIATION OF COPPER AND LEAD IN SEDIMENTS OF A MEDITERRANEAN RIVER (RIVER TENES, CATALONIA, SPAIN) [J].
RAURET, G ;
RUBIO, R ;
LOPEZSANCHEZ, JF ;
CASASSAS, E .
WATER RESEARCH, 1988, 22 (04) :449-455
[27]   MECHANISMS OF METAL ADSORPTION FROM AQUEOUS-SOLUTIONS BY WASTE TYRE RUBBER [J].
ROWLEY, AG ;
HUSBAND, FM ;
CUNNINGHAM, AB .
WATER RESEARCH, 1984, 18 (08) :981-984
[28]   ADSORPTION OF LEAD IONS ON IMMOBILIZED HUMIC-ACID [J].
SEKI, H ;
SUZUKI, A ;
KASHIKI, I .
JOURNAL OF COLLOID AND INTERFACE SCIENCE, 1990, 134 (01) :59-65
[29]   TRACE-METAL SPECIATION IN THE YAMASKA AND ST FRANCOIS RIVERS (QUEBEC) [J].
TESSIER, A ;
CAMPBELL, PGC ;
BISSON, M .
CANADIAN JOURNAL OF EARTH SCIENCES, 1980, 17 (01) :90-105
[30]   SEQUENTIAL EXTRACTION PROCEDURE FOR THE SPECIATION OF PARTICULATE TRACE-METALS [J].
TESSIER, A ;
CAMPBELL, PGC ;
BISSON, M .
ANALYTICAL CHEMISTRY, 1979, 51 (07) :844-851