[PDF] Top 20 The Use of Coconut Shells for the Removal of Dyes from Aqueous Solutions

... the use of complicated installations, as is the case with membrane ...the use of waste materials from the agro-food in- dustry as commonly available alternatives to the commercial ... See full document

... Synthetic dyes have been increasingly used in the textile, paper, rubber, plastic, cosmetics, pharmaceu- tical and food industries because of their ease of use, inexpensive cost of synthesis, stability and ... See full document

... of removal of dyes between one- stage and two-stage filtration ...concentration from 500 mg/l to 150 mg/l at equilibrium, which is equivalent to 70% ...of dyes in lesser time with compare to ... See full document

... Industries use dyes and pigments to color their ...waters from these industries into river water make the water inhibitory to aquatic life and causing visible ...pollution. Dyes have a ... See full document

... anionic dyes (such as: methyl orange (MO) and methyl red (MR)) from aqueous solutions on a new Nano sorbent; ordered mesoporous carbon coated with polyaniline (PANI/CMK-1) ... See full document

... Sawdust is one of the most appealing materials among agricultural waste materials and it was used for removing pollutants such as, dyes, salts and heavy metals from water and wastewater. The sawdust ... See full document

... widespread use in the adsorption process [29, 30], Some limitations and disadvantages including the high cost of preparation, activation, and regeneration have limited its use in the removal of some ... See full document

... DB dyes at the initial concentration of 500 mg/L at various pH's was investigated and observed in Figs (4 and 5), ...in dyes. During gamma radiolysis of dyes in aqueous solutions, it ... See full document

... the use of the low cost, available and renewable biosorbent propionic acid pretreated bagasse for the removal of the textile direct yellow 12 and direct red 81 dyes from aqueous ... See full document

... synthetic solutions. From a stock solution containing 1000 mg of dyes in ...synthetic solutions of dyes were ...NaOH solutions the pH of dyes solutions were ... See full document

... to use low cost agro-waste materials in substitute for commercial ac- tivated carbon ...move dyes from aqueous solutions are coir pith, pine sawdust, tamarind fruit shell, bagasse, rice ... See full document

... wastes from cheap and readily available resources such as agave bagasse [10,11,12], almond shell[13], apricot shell[13], barley straw[14], cashew nut shell[15], citric acid[16],corncob [17], cotton and gingelly ... See full document

... the removal of anionic dyes from aqueous ...of dyes increased with increase in contact time and reached the equilibrium after 15 ...maximum removal of dyes was found at in ... See full document

... Adsorption of Congo Red (CR) from aqueous solution onto chitosan was investigated in a batch system. The effects of solution pH, initial dye concentration, and temperature were studied. Results indicated ... See full document

... them from wastewater to reach acceptable limits set by governmental ...molecules from a gas, liquid, or dissolved solid to a surface (Brandt et ...differs from absorption, in which a fluid (the ... See full document

... grade from Merck Chemical ...dye solutions was carried out using shaker (model-Orbital L) and also dyes was determined by a double beam UV-Vis spectrophotometer (Model UV mini ... See full document

... prepared from Tamarindus Indica fruit shells has been used for the removal of two basic dyes, namely, rhodamine B and malachite green from aqueous ...of dyes adsorbed ... See full document

... nut shells were washed several times with deionized water to remove foreign impurities and then dried in an oven at 110 0 C for 6 ...matter from the surface of adsorbent and then heated in a closed muffle ... See full document

... The liquid and solid phases are separated by filtration. The uncolored dye solution is analyzed to determine the removal MG concentrations by UV–visible spectrophotometer (UV-Vis NV202) at wavelength for maximum ... See full document

... sand from local river having the water absorption of ...be use is free from the lumps and moisture. Before the use of sand in to the concrete, the impurities included in to it should be ... See full document