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Concentration limits for heavy metals in sludge (mg/kg dry matter)

Evaluation on the Concentration of Heavy Metals in Surface Waters in the Municipality of Pratápolis MG

Evaluation on the Concentration of Heavy Metals in Surface Waters in the Municipality of Pratápolis MG

... organic matter analysis, the average content was 2.75 ± 0.51 mg/L O 2 ...organic matter, which would favor the eutrophication of the aquatic ...

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Reduction Of Heavy Metals Sludge By Vermicomposting Technique

Reduction Of Heavy Metals Sludge By Vermicomposting Technique

... 2001). Heavy metal toxicity can result in damaged or reduced mental and central nervous functions, lower energy levels, and damage to blood composition, lungs, kidneys, liver, and other vital ...some metals ...

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Bioavailability of heavy metals in soils amended with sewage sludge

Bioavailability of heavy metals in soils amended with sewage sludge

... of heavy metals in soils amended with sewage ...sewage sludge to agricultural land results in the slow accumulation of potentially toxic heavy metals in ...the sludge. The ...

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Mobility of heavy metals in soils amended with sewage sludge

Mobility of heavy metals in soils amended with sewage sludge

... sewage sludge reflected the predominance of the NH 2 ...extracted metals. Soil amendment with sewage sludge increased the total concen- tration of Cu, Pb and ...total concentration of Ni and ...

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Contamination of Heavy Metals and Nutrients in Sediment, Sludge and Sewage of India

Contamination of Heavy Metals and Nutrients in Sediment, Sludge and Sewage of India

... The town is famous for the operation of one of the largest steel plant in the World (capacity: 3.15 MT/Yr). Kor- ba is another city in Chhattisgarh with ≈0.5 million population, famous for power supply and aluminum ...

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Environmental Contamination by Industrial Effluents and Sludge Relative to Heavy Metals

Environmental Contamination by Industrial Effluents and Sludge Relative to Heavy Metals

... dried sludge product is used as fertilizer. The highly concentrated sludge with heavy metals is either incinerated or buried in ...landfills. Heavy metals were analyzed and com- ...

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Heavy Metals Immobilization in Sewage Sludge Using Some Amendments

Heavy Metals Immobilization in Sewage Sludge Using Some Amendments

... The total content of studied heavy metals in sludge was 3.1, 249, 0.9 ppm and 58.7 for Cd, Pb, Cr and Ni. Samples were left in the lab to dry for another week then extracted using 0.1M ...

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Heavy Metals Concentration in Commercially available Spirulina Products

Heavy Metals Concentration in Commercially available Spirulina Products

... of heavy metals they contain and/or their potential effects on the population’s ...typical heavy metals (Pb, As, Cd, Cr, V, Cu and Fe) in 25 Spirulina products commercialized in worldwide for ...

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Evaluation of concentration of heavy metals in animal rearing system

Evaluation of concentration of heavy metals in animal rearing system

... of heavy metals and metalloids into the environ- ment, where the soil can accumulate ...them. Heavy metals and metalloids can then be released into groundwater sources, be absorbed by crops, ...

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Immobilization of heavy metals in sewage sludge by using subcritical water technology

Immobilization of heavy metals in sewage sludge by using subcritical water technology

... of sludge before and after SCWT ...of sludge increased with temperature resulting in the decrease of organic matter from ...g kg -1 to 25.40 g kg -1 ...ammonia concentration in ...

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Effect of Alkali Treatment on Heavy Metals Adsorption Capacity of Sewage Sludge

Effect of Alkali Treatment on Heavy Metals Adsorption Capacity of Sewage Sludge

... heavy metals in wastewater, and it may produce more wasted biosorbent loaded with heavy ...sewage sludge anaerobic digestion [14] [15], it was proved to be an effective way to enhance the ...

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Screening and extraction of heavy metals from anaerobically digested sewage sludge

Screening and extraction of heavy metals from anaerobically digested sewage sludge

... Sewage sludge, Heavy metals, chemical leaching, Citric acid, Hydrogen peroxide ...Sewage sludge contains high heavy metal concentrations in addition to useful high quantities of ...

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Effects of sewage sludge on bio-accumulation of heavy metals in tomato seedlings

Effects of sewage sludge on bio-accumulation of heavy metals in tomato seedlings

... chlorophyll concentration of tomato seedlings decreased significantly with an increase in HMs con- centrations at SS ...Chl concentration may have resulted in lower photosyn- thetic performance that ...

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The  Influence  of  Anaerobic  Digestion  on  Selected  Heavy  Metals Fractionation in Sewage Sludge

The Influence of Anaerobic Digestion on Selected Heavy Metals Fractionation in Sewage Sludge

... sewage sludge in agriculture is one of the most preferred ways of its ...stabilized sludge and containing permissible concentrations of heavy metals can be used for this ...The heavy ...

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Efficiency of Washing Techniques for Removal of Heavy Metals from Industrial Sludge

Efficiency of Washing Techniques for Removal of Heavy Metals from Industrial Sludge

... of sludge and construction of landfills are very high, recycling of this waste as a substitute for building materials (like bricks and low-cost concrete) is a better option (Balasubramanian et ...ETP sludge ...

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Analysis of Heavy Metals Concentration in Wastewater along Highways in Croatia

Analysis of Heavy Metals Concentration in Wastewater along Highways in Croatia

... 5. Conclusion and Discussion In this paper we have analyzed which factors affect amount values of the elements contained in wastewater along highways in Croatia. As we have seen, amounts of metals depend on the ...

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Heavy Metals Concentration in Urban Soils of Fallujah City, Iraq

Heavy Metals Concentration in Urban Soils of Fallujah City, Iraq

... tested heavy metals: Fe> Mn> Cr> Ni> Zn> Pb> Co> Cu> ...these metals have common sources. The heavy metals in soils of study area showed similar spatial patterns indicating that they ...

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Keywords: Agwan Waziri, Concentration, Heavy metals, Soil, Vegetables

Keywords: Agwan Waziri, Concentration, Heavy metals, Soil, Vegetables

... The concentration of heavy metals in five vegetables comprising of leaves and fruits from vegetable farms in Agwan Waziri, Akwanga were ...The heavy metals in vegetable ranged ...these ...

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Examination of the impact of contaminated soil on the concentration of heavy metals in vegetables

Examination of the impact of contaminated soil on the concentration of heavy metals in vegetables

... of heavy metals in agricultural soil used for intensive vegetable production is of great importance, since such data give a better idea of the possibilities of applying agro-technical measures that will ...

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Concentration of Heavy Metals in Soils at the Municipal Dumpsite in Calabar Metropolis

Concentration of Heavy Metals in Soils at the Municipal Dumpsite in Calabar Metropolis

... concentrates heavy metals in the bottom ...the heavy metal content effectively measured in soil by chemical analysis and reference value obtained from the control ...

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