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...

Ngày tải lên: 25/08/2016, 19:07

... 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 an...

Ngày tải lên: 13/07/2014, 06:20

... 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...

Ngày tải lên: 05/09/2013, 09:38

... 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...

Ngày tải lên: 05/09/2013, 09:38

... applicability of hybrid electrodialysis /ion exchange in removing humic acid (HA) from aqueous solutions Experiments for different combinations of ion exchange membrane and ion exchange resin were ... Co-ions Cation exchange resin (-) Cations (+) Anions (-) Anion exchange resin (+) Anions (-) Cations (+) An ion exchange process can be described as a reaction Suppose...

Ngày tải lên: 22/10/2015, 21:14

... 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...

Ngày tải lên: 23/09/2012, 14:47

... 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,...

Ngày tải lên: 05/09/2013, 10:15

... formed and isolated from the solvent by magnetic decantation Water washing and decantation process were repeated four times to remove excess solution By a similar way, Fe1−xNixO.Fe2O3 and Fe1−yCoy.Fe2O3 ... ability of Fe1-xCoxFe2O4 (Co-ferrites) and Fe1-yNiyFe2O4 (Niferrites) (x, y = 0, 0.05, 0.1, 0.2, 0.5) nanoparticles Materials and methods Magnetite particles with...

Ngày tải lên: 13/02/2014, 03:20

... 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, C...

Ngày tải lên: 14/03/2014, 10:20

Ngày tải lên: 13/07/2014, 06:20

... CO2 capture from wet flue gas by VSA 97 6.1 Modeling of the VSA cycles for CO2 capture from wet flue gas 97 6.2 Optimization of the 4-step VSA cycle with LPP for CO2 capture from ... adsorption PTSA Pressure-temperature swing adsorption PVSA Pressure -vacuum swing adsorption SLPM Standard litres per minute TSA Temperature swing adsorption VSA Vacuum swi...

Ngày tải lên: 10/09/2015, 09:03

... 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 s...

Ngày tải lên: 23/09/2012, 14:47

... economics had manual incinerator In other hospitals, the manual incinerator is burned and leaves an uncomfortable smell According to the “Regulation of medical waste management” of the Ministry of Public ... regulations There have been many sanitation workers dumping waste bags to roadsides In particular, Hanoi has thousands of medical stations, making up about 2% of total waste...

Ngày tải lên: 23/09/2012, 15:38

... treatment process Excess Sludge Sludge solubilization by subcritical water Influent Subcritical water process Phosphate recovery on crystallization MAP process Solubilized sludge MAP recovery ... solubilized sludge Outline of MAP process In this study, MAP (magnesium ammonium phosphate) process was used for the recovery of phosphate as orthophosphoric...

Ngày tải lên: 05/09/2013, 09:08

... tank and a microfiltration membrane as separation apparatus The aeration tank was made from Plexiglas with a working volume of liters Air was supplied to the aeration tank through diffusers at a ... quality, and kinetic parameters were also investigated PERMEATE COMPRESSED AIR INFLUENT AIR SLUDGE WASTE Fig Schematic Diagram of the Coupling of Activated Sludge Proces...

Ngày tải lên: 05/09/2013, 09:08