Adsorption and optimization studies of lead from aqueous solution using γ-Alumina

Synthesis and characterization of bifunctional mesoporous silica adsorbent for simultaneous removal of lead and nitrate ions

“…presents a comparison of the maximum Pb(II) and NO 3 − adsorption capacities of the bifunctional mesoporous silica (this work) and other adsorbents reported in recent years [40][41][42][43][44][45][46][47]. The adsorption capacity for Pb(II) (this work) was higher than other absorbents except the DETA-MCM-41, and adsorption capacity for NO 3 − (this work) was higher than De-Acidite FF-IP resin and MCM-48-NH 3 + adsorbents, but lower than functionalized CNT sheets and functionalized SBA-15 adsorbents.…”

Efficient Pb2+ adsorption of biomorphic porous ZnO derived from legume straw

“…To date, researchers have been exploring the most effective and economic methods to deal with heavy metals in wastewater. These methods such as ion‐exchange , precipitation , adsorption , membrane processes , and electro‐dialysis have been employed. However, not all of them are proper and ideal ways for the practical application.…”

Comparison of multiple regression analysis using dummy variables and a NARX network model: an example of a heavy metal adsorption process

“…There are numerous studies concerning the removal of heavy metal contamination from aqueous systems, and a number of methods have been described in the literature including precipitation as hydroxides, electro‐dialysis, coagulation–sedimentation, reverse osmosis, ion‐exchange, ultra‐filtration and adsorption (Bhat et al . ; Javadian et al . ).…”

“…Since ancient history, human activities have been the major source of the introduction of heavy metals into different segments of the environment including air, water, soil and biosphere. There are numerous studies concerning the removal of heavy metal contamination from aqueous systems, and a number of methods have been described in the literature including precipitation as hydroxides, electro-dialysis, coagulation-sedimentation, reverse osmosis, ion-exchange, ultra-filtration and adsorption (Bhat et al 2015;Javadian et al 2015). In recent years, researchers have increasingly turned their attention to the adsorption process due to its advantages, such as the use of low-cost adsorbents, easy application, simplicity of equipment, efficiency and environmental friendliness mostly because adsorbents can be derived from a wide variety of materials, and natural, synthetic and waste products (Akunwa et al 2014;Visa & Chelaru 2014).…”