Adsorptive removal of rhodamine b from aqueous solution using brewers spent grains batch and column study
Adsorptive removal of rhodamine b from aqueous solution using brewers spent grains batch and column study
... of < /b> Rhodamine < /b> B in fixed bed Fig 10 Effect of < /b> flow rate on the removal < /b> of < /b> Rhodamine < /b> B in fixed bed Fig 11 Effect of < /b> initial concentration on the removal < /b> of < /b> Rhodamine < /b> B in fixed bed column Fig.12 ... characteristics of < /b> brewer’s spent grain (BSG) have been analyzed For batch study, the effects of < /b> pH of < /b> dye solution, initial dye concentration, contact time, and biosorbent dosages were analyzed For biosorption ... reported in the removal < /b> of < /b> textile dye Basic Blue from effluents and was employed for adsorption of < /b> Rhodamine < /b> B, Acid Red 4, and Nile Blue sulfate from aqueous solutions18 Alumina has also been used...
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Selective removal of estrogenic compounds from aqueous solution using novel adsorbent molecularly imprinted polymer
... research, selective adsorption of estrogenic compounds by molecular imprinted polymer (MIP) is proposed to selectively adsorb and consequently remove target estrogenic compounds from aqueous solutions ... usually has 2~3 orders of magnitude of estrogenic effect higher than that of other estrogenic compounds Estrogenic compounds can enter the bodies of organisms though the ways of bioaccumulation and ... scope of this study The objective of this research is to study whether MIP can effectively remove estrogenic compounds from aqueous solution and what factors influence the removal of these compounds...
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Báo cáo "Reseach on the removal of hexavalent chromium from aqueous solution by iron nanoparticles " doc
... removed by iron nanoparticals, while only 24.75% Cr(VI) concentration was removed by iron powder Conclusion The removal of Cr(VI) by Fe0 nanoparticles was studied, the concentration of Fe0 nanoparticles ... minutes, then slow down afterwards 3.5 Comparison of the effectiveness of Cr(VI) reduction by nanoiron and power iron Experimental conditions: pH = 4-5, Cr(VI) concentration = 2.0mg/l, iron powder ... Deionized water was used for preparing all solutions - The Fe0 nanoparticles were synthesized before use The Fe0 nanoparticles were synthesized by dropwise addition of NaBH4 aqueous solution...
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Magnetic chitosan nanoparticles for removal of Cr(VI) from aqueous solution
... and the Cr(VI) concentrations at any time t, respectively; V (L) is the volume of the Cr(VI) solution; and m (g) is the mass of the magnetic chitosan nanoparticles Samples of the Cr(VI) solution ... sorption experiments were performed by batch method Samples of 0.1 g of magnetic chitosan nanoparticles were equilibrated with 50 mL of solution containing various amount of Cr(VI) The pH value X-ray ... Characterization of magnetic chitosan nanoparticles TEM and SEM micrograph of magnetic chitosan particles provides information on their size and morphology It can be observed from Fig that the magnetic...
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Feasibility study of removal of surface contaminants from solid surfaces using water jets with bubbles and ultrasound
... FEASIBILITY STUDY OF REMOVAL OF SURFACE CONTAMINANTS FROM SOLID SURFACES USING WATER JETS WITH BUBBLES AND ULTRASOUND MUHAMMAD FADZLI B HASSAN (B.ENG (HONS), NATIONAL UNIVERSITY OF SINGAPORE) ... The Measurement of Impact and Shear Stresses of Impinging Bubbles 146 7.6 Investigation V: The removal of surface contaminants from an etched surface with bubbles and ultrasound ... Investigation VI: The removal of surface foulants and contaminants from an etched surface with bubbles and ultrasound 6.1 The removal of microalgal biofilms by non-cavitating bubbles 112 6.1.1 Introduction...
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removal of basic blue 159 from aqueous solution using
... capacity of some of BB159 from aqueous solution onto banana peel specific solutes through ionic interactions Natural as a low cost adsorbent Basic Blue1 59 (BB 159) sorbents have been obtained from ... Res., 7, 4, 51-62 (2013) 53 Table Charactristics of Basic Blue 159 Name and color index(C.I) structure commercial name Basic Blue 159 max(nm) Astrazon Blue FBL N N 700nm CAS Number 105953-73-9 N N ... groups concentration of an unknown solution For each have negative charge where can be good sites for adsorption process, the absorbance of dye solution adsorption of Basic Blue 159 2500 2000 1500...
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Preparation of chitosan magnetite composite beads and their application for removal of Pb(II) and Ni(II) from aqueous solution
... magnets The synthetic procedure of composite beads was schematically presented in Fig 3.2 Application of chitosan/ magnetite composite beads for removal Ni(II) and Pb(II) in solution 3.2.1 Isotherm adsorption ... lines of composite patterns indicated that Results and discussion 3.1 Characterization of chitosan/ magnetite composite beads 3.1.1 Morphology and particles of chitosan/ magnetite composite beads ... hydroxide solution and Br2 solution After the formation of the Ni(II)- dimetyl glyoxim complex, the concentration of Ni(II) ions was determined from the absorbance at 475 nm The amount of Pb(II) and Ni(II)...
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Development of multifunctional membranes for visual detection and adsorptive removal of heavy metal ions from aqueous solutions
... DEVELOPMENT OF MULTIFUNCTIONAL MEMBRANES FOR VISUAL DETECTION AND ADSORPTIVE REMOVAL OF HEAVY METAL IONS FROM AQUEOUS SOLUTIONS ZHANG LINZI (B Eng., Xi’an Jiaotong ... to develop multifunctional membranes for visual detection and removal of heavy metal ions in aqueous solutions Lead (Pb), mercury (Hg) and cadmium (Cd) were selected as the target ions due to ... 2.5 Significance of this study 32 CHAPTER DEVELOPMENT OF A NOVEL MULTIFUNCTIONAL MEMBRANE FOR VISUAL DETECTION AND ADSORPTIVE REMOVAL OF LEAD(II) IONS IN AQUEOUS SOLUTIONS 34 3.1...
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Báo cáo hóa học: " The Fabrication of Nano-Particles in Aqueous Solution From Oxyfluoride Glass Ceramics by Thermal Induction and Corrosion Treatment" pdf
... aqueous solution were prepared by means of thermal induction to produce nano-particles in glass matrix and corroding the glass host by hydrofluoric acid The nanoparticles in aqueous solution have the ... the bio-distribution of the drug The nanoparticles in aqueous solution from the GC-host also apply in non-invasive imaging by detecting the luminescence of nano-particles inside biological systems, ... of glass mesh structure during the thermal induction process The nano-particles exhibit a narrow size distribution and display a good dispersibility in aqueous solution Figure reveals the main...
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Removal of congo red from wastewater by adsorption onto waste red mud
... Namasivayam, and C and Technol., by by solutions K of waste congo slurry red J 53 : 153 - 157 (1992) N Removal waste : 32 - 42 N Removal celluosic Removal biogas by Technol Muniasamy, (1996) T ... Prot R wastewater and by hydroxide Yamuna, R adsorption Waste T on Dye waste Management, : 14 (1994) S., Prasad, G and chrome dye from aqueous : ash fly by : Indian - Jeyakumar, removal red Adsorption ... removal The be from effectively of congo adsorption isotherms byproduct, a bauxite used as adsorbent for red from wastewaters followed The an processing both Langmuir Langmuir adsorption and...
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Phosphate removal from aqueous solutions using red mud wasted in bauxite Bayer's process
... red mud wasted from Guinean bauxite and its utilization for phosphate removal from aqueous solutions are discussed Experimental procedure Red mud was obtained from a bauxite ore refinery in Guinea ... for removal of phosphates from aqueous solutions [7] Zakharova et al have reported the production of mixed aluminium-iron coagulant from red mud and spent pickling liquor from iron smelting plants ... of red mud and OPh-solution and PO3 removal( •-raw red mud, ~-activated red mud) (30 rain for raw mud and 15 for activated red mud) The same tendency was more clearly illustrated with TPPs-solutions...
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Chemical of alumina reactions in aqueous solution and its application in water treatment
... presence and importance of alumina in the natural aquatic environment and its growing application in drinking and wastewater purification, the knowledge of aluminas structure and possible interactions ... discussing the properties of alumina in aqueous solution Dissolution of alumina is an important process that influences soil solution chemistry and the geochemistry of natural waters and was studied by ... effects of organic, hydroxide and inorganic ions into consideration The process of d -alumina dissolution in the presence of 8-hydroxyquinoline-5-sulfonate (HQS) and salicylate in The applications of...
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Báo cáo khoa học: Regulation of calpain B from Drosophila melanogaster by phosphorylation pot
... ´ L Kovacs et al Phosphorylation of < /b> calpain < /b> B C A B D Fig Effect of < /b> phosphorylation on calpain < /b> B activity as measured with MAP2c substrate The digestion of < /b> MAP2c by calpain < /b> B (see Experimental ... of < /b> phosphorylation in the case of < /b> PKA, and by the existence of < /b> multiple phosphorylation sites in all cases To assess the contribution of < /b> a well established site to the regulation < /b> of < /b> calpain < /b> B, ... investigated by SDS ⁄ PAGE and densitometry of < /b> the 104 kDa intact calpain < /b> B band, as described above In a few experiments, the autolysis of < /b> radioactive [32P]-labeled calpain < /b> B was also investigated by...
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Báo cáo hóa học: " Research Article Removal of Color Scratches from Old Motion Picture Films Exploiting Human Perception" pdf
... As a matter of fact, real scratches are often produced by a partial removal of the film material that gives them colors with different intensity and pureness In order to complete color scratches ... white scratches For the black ones, it is necessary to invert the roles of maxima and minima points at step (2) 3.1 Fast color adaptation In the detection of color scratches, each single color ... Structure of the color film support detection in the Magenta (M) channel of the CYMK color space, followed by an adaptive restoration in the RGB color space, according to the visibility of the defect...
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