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Three samples of aluminum-based water treatment residuals (Al-WTR1, Al-WTR2, and Al-WTR3) were assessed as adsorbent for boron removal. The Al-WTRs were mainly composed of Al 2 O 3 , Fe 2 O 3 , and SiO 2 . The adsorption reaction could be approximated by a pseudo-second-order kinetic model. The equilibrium pH (pH e ) affected boron adsorption and the...
Mg–Al (NO3) layered double hydroxide (LDH) was used to treat optoelectronic wastewater that contains high concentrations of boron and iodine. LDH showed high efficiency in removing boron and iodine from wastewater; with higher affinity toward boron than iodine. The optimum pH for both boron and iodine removal was 9.0–9.2. The process was spontaneous, exothermic, and exhibited random behavior as revealed...
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