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)
... (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 carbon cloth, Carbon, 40, 1109-1115. ... (Right)) Removal of cadmium from aqueous solutions For estimating the removal rate, time courses of cadmium concentration in aqueous solution and calculated amount adsorbed were measured as well...
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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 GAC-Based Iron-Containing ... Environment Technology, Vol. 6, No.1, 2008 - 43 - Removal of arsenic from synthetic groundwater by adsorption using the combination of laterite and iron-modified activated carbon Son...
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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 effective in the removal of arsenic ... not only at low and moderate initial concentrations of arsenic (1.42 and 2.77 mg/L) but also at very high initial concentrations of arsenic (4.61 and 7.38 mg/L). The arsenic adsorption by RH-Fe...
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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 Cr(VI) by Fe0 nanoparticles ... effectiveness of Cr(VI) reduction by nanoiron and power iron. Experimental conditions: pH = 4-5, Cr(VI) concentration = 2.0mg/l, iron powder mass 0.1g. The other condition was similar over 4....
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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 adsorption, the nanoparticles ... stirred under pH of 13 to study the desorption process. Nanoparticles were collected by a magnet and arsenic concentration in the solution was determined by AAS. Results showed that 90% of arsenic...
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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, Ca2+ and Mg2+ were sorbed on ... ABSTRACT Arsenic (As) that has been accumulated from irrigation groundwater to paddy field soil by sorption has the potential for food contamination by plant uptake and recontamination of the...
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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 efcient, 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 BB159 by banana peel ... expression based on the adsorbent concentration from models which are based on the solute concentration and represent a pseudo-second-order rate expression.The linearized from of the Pseudo-second-order...
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báo cáo hóa học: "On the identification of sensory information from mixed nerves by using single-channel cuff electrodes" pot
... optimal configuration used had twohidden layers with 10 neurons each. The input layer wascomposed of neurons corresponding to the number offeatures used during simulations (from one to four), ... same Von Frey filament was used inall the tests, thus providing the same contact pressure;passive flexion was produced by bending the toes from the horizontal plane to about maximal flexion by ... be addressed by developing closed-loop control algorithms based on the extraction of sen-sory information, and its use for correcting deviationscaused by unexpected changes and non-linearities....
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Từ khóa: chromium vi ion from aqueous solutions using acid modified rice husktechnologies for arsenic removal from potable waterphenanthrene removal from soil by a strain of aspergillus niger producing manganese peroxidase oadsorption from binary solutions5 hypersonic flow solutions by the fdv method m 20 re 300 000 with impinging shock wave on a flat inlet combustion chamberroutine use of amyloid typing on formalin fixed paraffin sections from 626 patients by immunohistochemistryremoval of organic chlorine compounds from municipal waste plastic derived oil by catalytic dehydrochlorination over iron oxides fe3o4 carbon zinc oxide magnesium oxide and red mudyou can make other adjustments to the motion path animation by hovering on the animation in the animation list clicking on the down arrow and choosing from the options in effect options or timing3 6 ex vivo organ imaging to demonstrate inhibition of 4t1 tumor metastasis by nsc 40l representative photographs of the tumor luminescent signals in the 9 organs and the tumor harvested from mice of each group on day 28 post tumor inoculationmining parenthetical translations from the web by word alignmentinvaders from the infinite by john wood campbellproduction of methanol from biomass waste by pyrolysissplit horizon is disabled by default on frame relay physical interfaceslearning from labeled and unlabeled data on a directed graphfundamentals of electric circuits 3rd edition solutions by alexanderchuyên đề điện xoay chiều theo dạngNghiên cứu sự hình thành lớp bảo vệ và khả năng chống ăn mòn của thép bền thời tiết trong điều kiện khí hậu nhiệt đới việt namMột số giải pháp nâng cao chất lượng streaming thích ứng video trên nền giao thức HTTPNghiên cứu vật liệu biến hóa (metamaterials) hấp thụ sóng điện tử ở vùng tần số THzBiện pháp quản lý hoạt động dạy hát xoan trong trường trung học cơ sở huyện lâm thao, phú thọGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANNGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN SLIDETrả hồ sơ điều tra bổ sung đối với các tội xâm phạm sở hữu có tính chất chiếm đoạt theo pháp luật Tố tụng hình sự Việt Nam từ thực tiễn thành phố Hồ Chí Minh (Luận văn thạc sĩ)Nghiên cứu, xây dựng phần mềm smartscan và ứng dụng trong bảo vệ mạng máy tính chuyên dùngThiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíTổ chức và hoạt động của Phòng Tư pháp từ thực tiễn tỉnh Phú Thọ (Luận văn thạc sĩ)chuong 1 tong quan quan tri rui roNguyên tắc phân hóa trách nhiệm hình sự đối với người dưới 18 tuổi phạm tội trong pháp luật hình sự Việt Nam (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIHIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀMTÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲ