Arsenic removal from aqueous solutions by adsorption on red mud pps

Removal of Cadmium from Aqueous Solutions by Charcoals Prepared from Giant Reed (Arundo donax)

Removal of Cadmium from Aqueous Solutions by Charcoals Prepared from Giant Reed (Arundo donax)

... (right axis)) CONCLUSIONS Removal of cadmium from aqueous solutions by the charcoals prepared from the stalk of giant reed was investigated based on the beneficial utilization of giant reed. ... B. M., Milonjić S. K., Polovina M. J., Ćupić S. and Kaludjerović B. V. (2002). Adsorption of zinc, cadmium and mercury ions from aqueous solutions on an activated carbo...

Ngày tải lên: 05/09/2013, 10:15

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Removal of arsenic from synthetic groundwater by adsorption using the combination of laterite and ironmodified activated carbon

Removal of arsenic from synthetic groundwater by adsorption using the combination of laterite and ironmodified activated carbon

... modified with iron. The preparation of iron-modified activated carbon (AC-Fe) was conducted by impregnation with 5% of iron onto AC (theoretical calculation based on weight). The impregnation method ... of Arsenic in Aqueous Solutions by Adsorption onto Waste Rice Husk. Ind. Eng. Chem. Res., 45, 8105-8110. Gu Z., Junfang and Baolindeng (2005). Preparation and Evaluation of G...

Ngày tải lên: 05/09/2013, 09:38

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Removal of arsenic from simulated groundwater by adsorption using iron-modified rice husk carbon

Removal of arsenic from simulated groundwater by adsorption using iron-modified rice husk carbon

... preparation of iron- modified RH was conducted in a similar way by Mondal et al. (2007a) in order to modify the activated carbon by impregnation with iron for the removal of arsenic. One hundred ... focused on the removal of arsenic from simulated groundwater by batch adsorption using iron-modified rice husk carbon (RH-Fe). The results showed that RH-Fe was very effectiv...

Ngày tải lên: 05/09/2013, 09:38

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Báo cáo "Reseach on the removal of hexavalent chromium from aqueous solution by iron nanoparticles " doc

Báo cáo "Reseach on the removal of hexavalent chromium from aqueous solution by iron nanoparticles " doc

... nanoparticles concentration Experimental conditions pH = 4-5, Cr(VI) concentration = 5.0mg/l, changing iron nanaparticle concentration from 0.1 g/l to 0.3g/l. The reaction solution was stirred continuously ... minutes, 98.8% Cr(VI) concentration was removed by iron nanoparticals, while only 24.75% Cr(VI) concentration was removed by iron powder. 4. Conclusion The removal of...

Ngày tải lên: 14/03/2014, 10:20

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Tài liệu Báo cáo "Arsenic removal from water by magnetic Fe1-xCoxFe2O4 and Fe1-yNiyFe2O4 nanoparticles " pptx

Tài liệu Báo cáo "Arsenic removal from water by magnetic Fe1-xCoxFe2O4 and Fe1-yNiyFe2O4 nanoparticles " pptx

... the oxidation resistance of the compound [14]. Oxidation resistance is an important factor for arsenic removal under atmospheric conditions. In this paper, we studied arsenic adsorption ability ... pH value, the adsorption reduced significantly. Arsenic was desorbed from the adsorbent at alkaline pH [9]. Our reported results were conducted at pH of 7. After arsenic adsorpt...

Ngày tải lên: 13/02/2014, 03:20

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Effect of Calcium and Magnesium Addition on Arsenic Leaching from Paddy Field Soil of Bangladesh

Effect of Calcium and Magnesium Addition on Arsenic Leaching from Paddy Field Soil of Bangladesh

... Anion sorption on a calcareous, montmorillonitic soil -arsenic, Soil Sci. Soc. Am. J., 52, 1297-1300. Livesey N. T. and Huang P. M. (1981). Adsorption of arsenate by soils and its relation to ... addition, the influence of redox on As leaching in soils was governed by the conversion of As (V) to As (III) followed by desorption. With Ca and Mg addition, Ca 2+ and Mg 2+ wer...

Ngày tải lên: 05/09/2013, 10:15

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removal of basic blue 159 from aqueous solution using

removal of basic blue 159 from aqueous solution using

... coagulation, precipitation, adsorption by activated coal, oxidation by ozone, ionizing radiation and ultra ltration. These methods are costly, less efcient, has limited application but *Corresponding ... parameter in adsorption which represents the adsorption of BB159 on banana peel. In Figure 6, the effect of contact time and initial dye concentration on adsorption of...

Ngày tải lên: 06/05/2014, 09:02

12 528 0
báo cáo hóa học: "On the identification of sensory information from mixed nerves by using single-channel cuff electrodes" pot

báo cáo hóa học: "On the identification of sensory information from mixed nerves by using single-channel cuff electrodes" pot

... optimal configuration used had two hidden layers with 10 neurons each. The input layer was composed of neurons corresponding to the number of features used during simulations (from one to four), ... same Von Frey filament was used in all the tests, thus providing the same contact pressure; passive flexion was produced by bending the toes from the horizontal plane to about maximal flexion...

Ngày tải lên: 19/06/2014, 08:20

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