[PDF] Top 20 Removal of Fe3+ from Aqueous Solution by Natural Apatite

... of apatite dosage was studied in the range of 1 g/L to 28 g/L for the initial Fe 3+ concentration of 200 mg/L at pH ...the removal efficiency of Fe 3+ ions and the pH of filter with natural ... See full document

... fluoride removal from water by ...fluoride removal, but modified bagasse showed more than 90% removal at optimized conditions, including the pH value of 7, contact time of 60 min and adsorbent ... See full document

... Saw dust collected from local carpentry shop and it has many earthly impurities such as stones, mud, sand, dust and also color. This color is a major drawback for setting up or calibrating the spectroscopic ... See full document

... on natural zeolite clinoptilolite were synthesized, characterized, and applied in the removal of nitrate as a model con- taminant from aqueous ...aggregation. Natural zeolite is a ... See full document

... colour from dye ...fibres. Natural dyes such as indigo have been used for over 5000 ...replaced natural dyes because of their low cost and vast range of new colours (Gabriel and Hong, ... See full document

... For a better valorization of our clay, the adsorbent capac- ity is compared (in the same operating condition) with different types of adsorbents in the literature for Cd(II) adsorption on clays (Table 6). The results ... See full document

... of natural clay can be easily modified by exchanging their inorganic cations with quaternary ammonium cations[9-10] ...considerably from highly hydrophilic to increasingly organophilic ... See full document

... NOM removal efficiency increased with increase in reaction ...and removal efficiency is ...the solution as well as the amount of hydroxides ions increases; thus, ... See full document

... Heavy metals are typical and persistent environmental pollutants. Because of its toxicity and nonbiodegradable nature, metals are of special significance. The presence of heavy metals in wastewater and surface water is ... See full document

... the removal of méthylparathion from aqueous solution by this clay, as a natural available adsorbent, was ...in solution (Ce) at different ...the natural clay is an ... See full document

... of natural water resources is degenerating continuously due to geological and environmental changes and by many simulated activities like industrialization, civilization, domestic and agricultural activities and ... See full document

... the removal of heavy metals as important contaminants in water and ...adsorbent. Natural and synthetic zeolites have received much attention over the past decades in water treatment due to their unique pore ... See full document

... percentage removal of Cr (VI) and the effect of contact time, the efficiency of removal of Cr(VI) increases with increasing the contact time, approximately 70-80 % of maximum removal of Cr (VI) is ... See full document

... the removal of lead (II) from the aqueous ...namely, natural un-activated form (RH), rice husk ash acquired after carbonizing rice husk without pretreatment (RHA), rice husk pretreated with ... See full document

... The removal of metal ions from industrial wastewaters using different adsorbents is al- ways of great interest [1] [2] because industrial wastewaters often contain considerable amounts of metal ions that ... See full document

... mercury from contaminated solutions including sulphide precipitation, membrane filtration, bio remediation and adsorption/ion ...for aqueous mercury ... See full document

... The removal of pesticide (ethoprophos) from aqueous solution using a natural biosorbent such as chitosan (CH) prepared from a biopolymer waste obtained from marine ... See full document

... ml aqueous solution containing 50 mg/L Cu 2+ were added to 250 ml conical flasks, and added Milli-Q water to ...separated from the solution by suction filtration and the Cu 2+ residue in the ... See full document

... time of the emulsion and external phase, carrier concentration and concentration of surfactant in the membrane phase. After the initial experiments to make a stable emulsion, membrane phase mix (70% paraffin and 30% ... See full document

... the removal of Chromium from aqueous solution using Walnut shell powder as an adsorbent, the study was carried out by synthesizing and characterization of the adsorbent and finding out the ... See full document