Removal of phenol from aqueous solutions by adsorption onto organomodified

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)
... aqueous solutions by the charcoals prepared from the stalk of giant reed was investigated based on the beneficial utilization of giant reed As a result, its high removal capacity was confirmed The cadmium ... 3.1 Journal of Water and Environment Technology, Vol 8, No.4, 2010 Removal of cadmium from aqueous solutions For estimating the removal rate, time courses of cadmium concentration in aqueous solution ... regarding cadmium adsorption on charcoal prepared from giant reed with simple methods In this study, to estimate the ability of a simple carbonization process, charcoals were prepared from the stalk of...
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Arsenic removal from aqueous solutions by adsorption on red mud pps

Arsenic removal from aqueous solutions by adsorption on red mud pps
... solution These stock solutions were used to prepare experimental solutions of speci®ed concentrations One gram of red mud powder was placed in a conical ¯ask Solutions containing 125 to 1500 mg arsenic ... solution may be utilized for arsenic removal by coagulation Forthcoming studies based on developing the arsenic adsorption capacity of red mud by activation and utilizing the liquid phase of red mud ... e€ect of red mud dosage on the removal of arsenic The arsenic removal eciency is increased with the amount of red mud Final arsenic concentrations and removal eciencies were also calculated from...
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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
... removal of arsenic from synthetic groundwater using sequential combination of LA and AC-Fe as adsorbents The effect of LA/AC-Fe ratio, flow rate, initial arsenic concentration and pH to the breakthrough ... (70%AsIII&30%AsV) CONCLUSION The removal of arsenic from synthetic groundwater by adsorption using LA and AC-Fe was investigated in this study Langmuir, Langmuir-Freundlich isotherms and pseudosecond order ... AC, LA, and AC-Fe and Figure illustrates the comparison of LA-AC and LA-AC-Fe These figures indicated that the combination of LA and AC-Fe is the most feasible - 50 - Journal of Water and Environment...
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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
... adsorbent - iron-modified rice husk carbon (RH-Fe)which was prepared from an available, cheap source of carbon (rice husk carbon) and the most effective agent (iron) for the removal of both As[III] ... very few studies on iron-modified rice husk carbon as adsorbent for the removal of arsenic from drinking water, although there are many research papers on arsenic removal using iron-based adsorbent ... adsorbents are used Studies on the removal of arsenic from groundwater using rice husk (an agricultural waste which is a byproduct in rice milling) have been carried out by some researchers Amin et...
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Study in the preparation of poly (4 vinylpyridine) based nanoparticles and their application as an effective adsorbent for the recovery of palladium from aqueous solutions

Study in the preparation of poly (4 vinylpyridine) based nanoparticles and their application as an effective adsorbent for the recovery of palladium from aqueous solutions
... around and branch out from the central theme of the doctoral research project, i.e the preparation and use of P4VP -based nanoadsorbents for palladium adsorption, as well as their separation and recovery ... nanoparticles The physical properties of the P4VP -based nanoparticles will be examined and their adsorption performance will be investigated Further improvement in the properties and performances ... conducted for concentrating and eluting palladium from the P4VP nanoparticles showed the effectiveness for their use as a nanoadsorbent that can find great potentials in other environmental applications...
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Recovery of acetonitrile from aqueous solutions using zeolitic imidazolate framworks

Recovery of acetonitrile from aqueous solutions using zeolitic imidazolate framworks
... acetonitrile from aqueous solutions to circumvent possible future supply disruption from interfering with essential industrial and laboratory work The separation of acetonitrile from aqueous solutions using ... significant role of functional groups in governing adsorption and could facilitate the development of new nanoporous materials for efficient recovery of acetonitrile from aqueous solutions List of Tables ... adsorption of water, but substantial adsorption is observed in hydrophilic ZIF-90, -96 and 97 With regards to acetonitrile purification from aqueous solutions, the general trend of selectivity of acetonitrile...
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Removal of congo red from wastewater by adsorption onto waste red mud

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

Báo cáo
... 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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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
... 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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Study of polyamine functionalized PGMA beads as adsorbents for the removal of heavy metal ions from aqueous solutions

Study of polyamine functionalized PGMA beads as adsorbents for the removal of heavy metal ions from aqueous solutions
... STUDY OF POLYAMINES -FUNCTIONALIZED PGMA BEADS AS ADSORBENTS FOR THE REMOVAL OF HEAVY METAL IONS FROM AQUEOUS SOLUTIONS LIU CHANGKUN (B Eng., Tianjin University) A THESIS SUBMITTED FOR THE ... of functional adsorbents for the removal and separation of heavy metal ions from water or wastewater The application of amine -functionalized PGMA- based adsorbents (denoted as aminePGMA) for heavy ... separate heavy metal ions VII Another attempt has been made to investigate the effects of a series of aliphatic polyamines immobilized on PGMA beads for the adsorption of heavy metal ions PGMA beads...
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A comparative study of low cost biomaterials for the removal of chromium (VI III) from aqueous solutions

A comparative study of low cost biomaterials for the removal of chromium (VI III) from aqueous solutions
... A COMPARITIVE STUDY OF LOW- COST BIOMATERIALS FOR THE REMOVAL OF CHROMIUM (VI/ III) FROM AQUEOUS SOLUTIONS SYAM KUMAR PRABHAKARAN (B.Tech (Hons.), NUS) A THESIS SUBMITTED FOR THE DEGREE OF MASTER ... studied for Sargassum, Ulva, used tea and coffee dusts The adsorption capacity of Ulva was lower compared to that of Sargassum The removal of hexavalent chromium by seaweeds was observed as a process ... storage of the algal sample 3.2.2 Ulva The green colored marine algae Ulva fasciata sp., used in the present study, was collected from the coastal belt of Thiruvananthapuram, Kerala, India The...
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Phosphate removal from aqueous solutions using red mud wasted in bauxite Bayer's process

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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Photodegradation and removal of phenol and phenolic derivatives from petroleum refinery wastewater using nanoparticles of TiO2

Photodegradation and removal of phenol and phenolic derivatives from petroleum refinery wastewater using nanoparticles of TiO2
... experimental set up of the photoreactor for the treatment of phenol and phenolic derivatives in petroleum refinery wastewater _ + Figure Experimental set up of photoreactor for the treatment of phenolic ... degradation of phenolic component in petroleum refinery wastewater provided was more than 90% removal of these component about 120 This shows that the process is promising for the removal of phenolic ... maximum removal of phenolic compounds in petroleum refinery wastewater is obtained at pH=3 This may be argued with the help of pH of zero point of charge (pHzpc) and the adsorption of the pollutants...
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Colour removal from textile effluents by adsorption techniques

Colour removal from textile effluents by adsorption techniques
... transfer processes during colour removal from effluents using adsorption techniques Ph.D thesis, The Queen's University of Belfast, Belfast, U.K McKay G (1981) Design models for adsorption system in ... influenced by the degree of agitation and the uptake increases with stirring rate The mechanism of colour removal from effluent involved four steps: (i) migration of dye molecules from the bulk ... rate of dye adsorption increased with increasing maize cob mass; the results are shown in Fig as a plot of (Ct/Co) against time for the adsorption of Erionyl Red on maize cob Rate of dye adsorption...
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Báo cáo y học: " Surgical Removal of lipoma from an area with tattooed skin"

Báo cáo y học:
... DISCUSSION AND CONCLUSIONS No similar case of surgical removal of lipoma from an area with tattooed skin using this aesthetic procedure was found in literature The intent of the case study is to ... lesion removal A first deep layer with Vicryl 3-0, slightly affecting the muscle fascia A second subcutaneous deep layer with Monocryl 4/0 and a subderm layer with Monocryl 5/0 We used interrupted ... anesthesia and hemostasis The skin was incised in the tattoo line with a scalpel blade no 15 The wall of the lipomatous lesion was identified and was isolated from the surrounding layers and freed from...
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