| distribution and ecological effect of mercury in laogang landfill, shanghai, china. | laogang landfill near shanghai is the largest landfill in china, and receives about 10000 t of daily garbage per day. samples of topsoil and plants were analyzed to evaluate mercury pollution from the landfill. for topsoil samples, there were significant correlations among total mercury (hgt), combinative mercury (hgc) and gaseous mercury (hgg), and content of total organic carbon (toc), but, no significantly relationship was found between hg content and filling time. hg content changes in verti ... | 2007 | 17915729 |
| characteristics of sewage sludge and distribution of heavy metal in plants with amendment of sewage sludge. | in order to better understand land application of sewage sludge, the characterization of heavy metals and organic pollutants were investigated in three different sewage sludges in shanghai city, china. it was found that the total concentrations of cd in all of sewage sludge and total concentrations of zn in jinshan sewage sludge, as well as those of zn, cu, and ni in taopu sludge are higher than chinese regulation limit of pollutants for sludge to be used in agriculture. leachability of hg in al ... | 2006 | 17294948 |
| [characters of greening tree species in heavy metal pollution protection in shanghai]. | in this paper, the stream banks nearby qibao town and the factory area of shanghai baoshan steel company were selected as the typical areas contaminated by heavy metals. the polluted status was investigated by measuring the heavy metal concentrations of the sampled soils. the results showed that the heavy metal concentrations in the soils of stream banks were a little higher than the control, but obviously higher in the factory area of shanghai baoshan steel company. the growth status of the gre ... | 2004 | 15334971 |