[PDF] Top 20 The removal of chromium from aqueous solution by using green micro algae

... Conventional treatment methods for heavy metals containing waste water, chemical precipitation, Ferrite treatment system, sulphate precipitation, solvent extraction, evaporation, xanthate process etc[16,17&19], but ... See full document

... prepared from Delbergia sissoo, and used for Cr (VI) removal from aqueous ...of chromium (VI) from aqueous solutions by activated sawdust was studied under a batch and ... See full document

... the removal of chromium and on the oxidation state of chromium in persimmon gel was then ...Cr(VI) removal from the aqueous solu- tion was quantitative at initial Cr(VI) ... See full document

... developed from Cucumis Melo peel has a suitable adsorption capacity for the removal of Chromium metal ion from aqueous ...by using Langmuir, Freundlich, Tempkin and ... See full document

... hazardous Chromium [VI] ions from aqueous solutions was ...investigated. Removal of chromium ions from stock solution of known concentration of Potassium dichromate was ... See full document

... the removal of hexavalent chromium from aqueous ...99% removal of hexavalent chromium was achieved using crude flame of forest seeds as biosorbent and ...adsorbing ... See full document

... determined using XRD ...the removal efficiency of Chromium (VI) and Iron (III), from aqueous solutions using the seeds of Azadirachta indica (Neem) and Strychnos potatorum ... See full document

... remove chromium and lead from aqueous ...for chromium and ...for chromium and 120 mins contact time, 2g dosage of adsorbent and pH 5 for lead, by using coconut shell powder ... 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 ... See full document

... Adsorptive removal of Chromium(VI) from aqueous solution onto AC prepared from marine algae has been studied under varying conditions of agitation time, metal ion ... See full document

... calculated from the difference between total Cr and Cr(VI) con- ...detected using the DPC method while 100 mg/L of total Cr can be determined via AAS ...2) from the difference between initial and ... See full document

... the chromium metal solution and adjusted the pH by adding ...of chromium on biomass was measured by AAS (atomic adsorption ...the solution, dosage of biosorbent, agitation time and biosorbent ... See full document

... a solution plays a significant role in the adsorption capacity of the ...1-11 using concentrated sulphuric acid and sodium hydroxide with continuous testing by pH ...% removal of Cr was measured with ... See full document

... hexavalent chromium from wastewater or decreasing its chromium (VI) content up to the permitted levels is important due to its non-biodegradation, bioaccumulation, and cancer-causing and toxic ... See full document

... solid waste. The purpose of this study is to explore the use of chemically activated date palm trunk for the removal of Cr(VI) from wastewater. Date palm trunk is one of the main agricultural wastes ... See full document

... the removal of chromium from drinking water by absorption ...phenomenon. Chromium is found in all natural water bodies in hexavalent (Cr VI) as well as trivalent (Cr III) ...of chromium ... See full document

... of chromium (VI) from aqueous solution was carried out using natural clay from western area in Saudi ...the solution, contact time and rotational per minute ... See full document

... of chromium solution was prepared. From that solution 100 ml of chromium was treated with 1g of adsorbent in 250 ml beaker for 3 hours by agitating with magnetic stirrer at room ... See full document

... initial solution pH was adjusted by using ...separated from the test solution by filtration. The chromium ion content in the supernatant liquid was determined using photoelectric ... See full document

... batch removal of toxic hexavalent chromium ions from wastewater and aqueous solution using dried (BD) Sargassum ...marine algae) and Activated Carbon (AC) prepared ... See full document