Batch study of arsenate (V) adsorption using Akadama mud: Effect of water mineralization
スポンサーリンク
概要
- 論文の詳細を見る
Akadama mud, consisting mainly of different forms of iron and aluminum oxide minerals, was used for arsenate (V) adsorption from aqueous solutions. The adsorption process fitted the first-order kinetic equation and the Langmuir monolayer model well. The adsorption capacity, estimated by the Langmuir isotherm model, was 5.30 mg/g at 20 ± 0.5 °C. The effects of the solution properties (initial concentration of As (V), pH, temperature, and mineralization degree) on As (V) removal were investigated. Various mineralization degrees in underground water were simulated by adjusting the ionic strength of the solution or adding coexisting ions to the contaminated solution. It was found that mineralization of the water significantly influenced the arsenic adsorption. The existence of multivalent metallic cations significantly enhanced the As (V) adsorption ability, whereas competing anions such as fluoride and phosphate greatly decreased the As (V) adsorption. This result suggests that Akadama mud is more suitable for arsenic adsorption in low-level phosphate and fluoride solutions. The loaded Akadama mud could be desorbed at polar pH conditions, especially in acidic conditions, and more than 65% As (V) sorption has been achieved at pH 1.
- Elsevier B.V.の論文
著者
関連論文
- Prevention of Phormidium tenue Biofilm Formation by TiO_2 Photocatalysis
- Batch study of arsenate (V) adsorption using Akadama mud: Effect of water mineralization
- Comparative study of antioxidant activity and antiproliferative effect of hot water and ethanol extracts from the mushroom Inonotus obliquus(BREWING AND FOOD TECHNOLOGY)
- Application of Oxygen Productive Electrode (OPE) in water treatment
- Visible light-activated WO_2 nanoparticles for the photocatalytic degradation of microcystin containing water
- Study on a novel zeolite fixed bioreactor for anaerobic digestion of ammonium rich pig wastes
- Performances of Nitrogen and Phosphorus Removal from Municipal Wastewater Using Different Controlled Systems
- Effect of Maifan Stone on Growth of Denitrifying Bacteria
- Combined Electro-oxidation and Photoelectrocatalytic Degradation of Organic Dye
- Dynamics of the functional gene copy number and overall bacterial community during microcystin-LR degradation by a biological treatment facility in a drinking water treatment plant(ENVIRONMENTAL BIOTECHNOLOGY)
- Characterization of 2-MIB-degrading bacteria isolated from biofilm in drinking water facility
- Biodegradation of microcystins by the bacterial communities symbiotic with microflagellate Monas guttula
- Isolation and Identification of Novel Geosmin-degrading Bacteria
- Isolation of 2-MIB-degrading bacteria from biofilm in drinking water facility
- Application of a New Electrolysis Cell to Toxic Cyanobacteria Inhibition in Water Environment
- Highly-efficient Anaerobic Digestion of Refractory Organic Waste Using Subcritical Water Hydrolysis as Pretreatment Process