Writing
.At present, there is a synthetic dye wastewater about 10 - 15% released from industries into the natural water. Which may cause problems for the creatures in the water ecosystem by dye Acid Flavine 2G (AF 2G).Paper and so on, which kind of dye is stable to light, temperature, or the designer at Dyce, จึงสลายตัว in nature. Therefore the adsorption process (Adsorption) used in the removal of dye types. In this research, to select material layered group.Hydroxides (LDHs) as an adsorbent (Adsorbent) due to LDHs treasure high and charge density higher exchange and high surface area. When the LDHs sintered at temperature 450 ° C (CLDHs) will change structure.The adsorption in solution to make the original structure is LDHs back but I'm anion changed depending on the solution to absorb. In order to separate the sample absorbs to bring back the duplicate easily. So the Magnetic.Oxide (Fe3O4) features that can be separated by magnetic field, used in conjunction with CLDHs (Fe / CLDHs) which prepared by precipitation technique and study the specific features of joint Fe / CLDHs technique, XRD,, and SEM TEM FT-IR VSM for the capability of Acid Flavine 2G using Fe / CLDHs and to study the effect of time, pH.Temperature effect on adsorption and the efficiency of the application, including Fe / CLDHs recycling found after use 5 times effective adsorption. AF 2G also effective 85%
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