نتایج جستجو برای: dissolved heavy metals
تعداد نتایج: 196681 فیلتر نتایج به سال:
Phytoplankton diversity, primary and bacterial production, nutrients and metallic contaminants were measured during the wet season (July) and dry season (March) in the Bach Dang Estuary, a sub-estuary of the Red River system, Northern Vietnam. Using canonical correspondence analysis we show that phytoplankton community structure is potentially influenced by both organometallic species (Hg and S...
The development of Missouri's new lead belt within the past decase has provided an excellent opportunity to study the dissemination and effects of heavy metals in a deciduous forest ecosystem. Primary lead smelters within the new lead belt have been identified as potential sources of cadmium as well as lead, zinc, and copper. Sintering and blast furnace operations tend to produce significant qu...
Determination of Different Trace Heavy Metals in Ground Water of South West Bank/Palestine by ICP/MS
Heavy metal contamination of the groundwater of south West Bank in Palestine was assessed. The groundwater samples were analyzed for different trace heavy metals (Tl, Pb, Bi, Cr, Mn, Co, Ni, Cu, Zn, Mo, Ag, and Cd), and Al content by ICP/MS. This study was conducted to determine the water quality of ground water which is used for drinking in the study area. Water samples from ten groundwater we...
Artificial recharge of urban aquifers with stormwater has been used extensively in urban areas to dispose of stormwater and compensate for reduced groundwater recharge. However, stormwater-derived sediments accumulating in infiltration beds may act as a source of dissolved contaminants for groundwater. Concentrations of hydrocarbons, heavy metals, nutrients and dissolved oxygen (DO) were monito...
There is increasing interest in the stabilization of heavy metals in road-derived sediments (RDS), to enable environmentally responsible reuse applications and circumvent the need for costly landfill disposal. To reduce the mobility of heavy metals (i.e. Cu, Pb and Zn) the effectiveness of amendments using phosphate, compost and fly ash addition were investigated using batch leaching experiment...
Electrokinetic soil remediation by electroosmosis and ionic migration is restricted to soluble substances. At a higher pH, the soil particles sorb more heavy metals than at a lower pH and the precipitation reactions of heavy metals are promoted. Both mechanisms make heavy metals immobile, rendering cleanup more difficult and electrokinetic extraction inefficient. In this study, the effectivenes...
This study was carried out between October 2009 to July 2010 and heavy metals like Ba, As, Co, Cd, Cr, Cu, Fe, Mn, Ni and Zn were determined from water and 60 fish samples (60 in total) from Antalya Bay. Physic-chemical parameter values were also measured in the seawater from catchment area. Analysis of DORM-3 and DOLT-4, reference materials showed good accuracy with the present analytic system...
Use of Fe ( VI ) for Removal of Total Organic Carbons ( TOC ) and Heavy metals from Coproduced Water
The objective of the research is to develop a new, simple, and environmentally friendly method for the simultaneous removal of heavy metals and total organic carbon (TOC) in coproduced water (CW) from the energy production industry. Ferrate anions (FeO4) or Fe(VI) oxidation ability is very strong over the whole pH scale. Fe(VI) has been considered one of the futuregeneration water quality impro...
Adsorption of bisphenol A on a lignin isolated from black liquor, a waste product of the paper industry, was investigated to assess the possibility of using the lignin to remove bisphenol A from waters. Effects of pH, ionic strength, heavy metals, and dissolved organic matter (DOM) on adsorption were examined. Adsorption equilibrium was approached within 5 h. The adsorption capacity of bispheno...
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