TAILIEUCHUNG - Removal of nickel and methylene blue from aqueous solutions by steel slag as a low cost adsorbent

Nowadays, wastewater from various industries contains a large number of harmful heavy metals and coloring agents, which have to be removed to restore the quality of the environment. In this study, the removal of nickel ions (Ni2+) and methylene blue (MB) from the aqueous solution using steel slag as a low cost adsorbent was investigated. The chemical and mineralogical compositions, as well as the surface area of slag, were analyzed by using X-ray fluorescence spectroscopy, X-ray diffraction, and the Brunauer-Emmett-Teller method (BET). The effect of several important parameters such as contact time, adsorbent dose, pH, temperature, and initial adsorbate concentration on the adsorption process was studied systematically by batch experiments. The adsorption data were well correlated with the Langmuir isotherm model by all samples. The maximum adsorption capacity of the raw slag samples was mg/g for Ni2+ and increased from to mg/g for MB after being acid-activated. The determined thermodynamic parameters indicate that the adsorption of Ni2+ and MB on steel slag is spontaneous in nature, endothermic (for Ni2+), and exothermic (for MB). | Removal of nickel and methylene blue from aqueous solutions by steel slag as a low cost adsorbent

• Vật lý
• Heavy metals
• Low cost adsorbent
• Steel slag
• Water treatment
• Nickel and methylene blue
• Aqueous solutions by steel slag
• Heavy metals by cyanobacteria
• Biosorption of heavy metals
• Bio sorption
• Metal absorption
• Heavy metals contamination
• Heavy metals contamination in soil
• Vegetable samples from Jagdalpur
• Respective natural level
• Ground water
• Groundwater resource in Dak Nong province
• Selected heavy metals including arsenic
• Fresh water river system
• River cauvery system
• Heavy metals in water
• Bioaccumulation of heavy metals
• Sewage Sludge
• Alkali Treatment
• Biosorbent preparation
• Heavy metals adsorption characteristics
• Equilibrium studies
• Adsorption isotherms
• Food safety
• Heavy metals in poultry eggs
• Chittoor district of Andhra Pradesh
• Agricultural activities
• Pseudomonas putida
• Microbial biosurfactant
• Detoxification of heavy metals
• Organic pollutants in soil
• Nitrogen transformation in soil
• Effect of heavy metals
• Nitrogen transformation
• Soil biological processes
• Summary of Environmental Engineering Doctoral Thesis
• Treatment of heavy metals in water
• Water contaminated with heavy metals
• Manufacturing all kinds of biochar
• Activated carbon from coffee pods
• Calotropis procera
• Soil ecology
• Calotropis procera in drylands
• Environmental advances
• Heavy metals present
• Opuntia ficus indica mucilage
• Fungal isolates obtained
• Selected soil samples
• Ado ekiti metropolis
• Source specific health risk
• Heavy metals in PM2 5
• Automobile effluent
• Eco friendly montmorillonite
• Heavy metal contaminated effluents
• Heavy metals derived from COD analysis wastewater
• Electrolysis using graphite electrode
• Graphite electrode
• Heavy metal
• Natural sciences and technology
• Glutathione s transferase in Nile tilapia fish
• Among tested metals
• Paddy soil
• Paddy rice
• Open landfill in southern Viet Nam
• Heavy metal concentrations in paddy soil
• Initial survey of heavy metal concentrations
• Honeybee products as potential bioindicators
• Heavy metal contamination in northern Vietnam
• Semi rural area
• Contamination of heavy metals
• Heavy metal contamination
• Công nghệ hóa
• Sediment of Nhue
• Tolich Rivers
• Hóa vô cơ
• Kim loại nặng
• Journal of Science and Technology
• Distribution of heavy metals in surface water
• Saigon Dong Nai river
• Sediment and clam
• Suspended particulate matter
• Heavy metals and arsenic
• Aqueous solutions by phragmites australis
• High removal efficiency
• Growing P
• australis
• Studies on distribution and fractionation
• Heavy metals in sediment of Cau river
• Thai Binh River Systems
• The economic and social development activities
• Adsorptive removal of five heavy metals
• Water using blast furnace slag and fly ash
• PH increased adsorption
• Pseudo second order model
• Pollen germination
• Pollen tube length
• Nicotiana tabacum L
• Tobacco plant
• Measurements of heavy metals
• Natural radioactivity levels in water
• Binh Dinh province
• Vegetation around the titanium mining site
• High purity germanium