Abstract today are synthetic dye wastewater that is about 10-15%, which was released by industrial facilities. Into bodies of water This might cause problems on organisms in aquatic ecosystems. The dye Acid Flavine 2G (AF 2G) is a type of dye that is used in the leather industry. Paper and other dyes which are stable to light, temperature or oxidized. The dissolution of the difficult nature It has been adsorption (Adsorption) used to get rid of this dye. In this study, selected materials layered double hydroxides (LDHs) as adsorbent (Adsorbent) because LDHs properties high charge density and higher exchange and high surface area on the LDHs was calcined at 450 ° C (CLDHs). It caused structural changes And a surface area greater efficiency to absorb better. Moreover, when absorbing dyes in solution form to make the original structure is restored but LDHs layer of anion change depending on the absorbing solution. In order to isolate the reclusive absorb repetitive tasks can be easily reused. The introduction of Magnetic iron oxide (Fe3O4) with features that can be separated with magnets are used in conjunction with CLDHs (Fe / CLDHs), prepared by technical precipitation and characterization of Fe / CLDHs technique XRD, SEM, TEM. , FT-IR and VSM for educational organizations the ability to absorb Acid Flavine 2G using Fe / CLDHs and study the effects of time, pH, temperature affect absorption. Including the introduction and performance of Fe / CLDHs reused. Found that after using five times the performance of absorbing AF 2G to 85% efficiency.