Removal of Antimony(III) from Aqueous Solution by Using Grey and Red Erzurum Clay and Application to the Gediz River Sample

Abstract

The removal of Sb(III) from waste water is achieved in batch system by using grey and red Erzurum (Oltu) clay which are cheap and natural adsorbents. Adsorption experiments were studied. For this purpose, various important parameters such as contact time, pH, and temperature were examined on the adsorption of Sb(III) ions onto grey and red Erzurum (Oltu) clay. Decreasing amount of Sb(III) ions in the solutions by adsorption was determined with differential pulse anodic stripping voltammetry (DPASV) method. Langmuir and Freundlich isotherms for the adsorption processes were drawn. The adsorption was demonstrated in similarity with Langmuir model. The maximum adsorption capacity of red Erzurum clay for Sb(III) was found to be 9.15 mg/g. Also, surface of the adsorbent was characterized by using FTIR spectroscopy. Red Erzurum clay was applied on real sample (Gediz River), and 72.6% adsorption was obtained.

Fabrication of superparamagnetic adsorbent based on layered double hydroxide as effective nanoadsorbent for removal of Sb (III) from water samples

“…At a higher pH value than 8, the hydroxyl groups of the Fe@Mg‐Al LDH surface were deprotonated which increased the negative change on the surface and the tendency to adsorb antimony metal cations increases through electrostatic attraction. However, at higher pHs and excess OH − , the possibility of precipitation and formation of the hydroxylated complexes of antimony increases [36, 37]. As can be seen from the diagram (Figure 8), at acidic pHs, the Fe@Mg‐Al LDH surface has a high positive charge and the repulsive force prevents antimony metal cations from being adsorbed on it and the extraction process rate is low.…”

Frontier Materials for Adsorption of Antimony and Arsenic in Aqueous Environments: A Review

“…With the continuous deepening of antimony and arsenic adsorption research, the adsorbents that can remove antimony and arsenic are becoming increasingly diversified. Among them, the more common adsorbents with good adsorption effects are activated alumina [ 6 , 55 ], activated carbon [ 56 , 57 ], manganese dioxide [ 58 , 59 ], iron hydroxide [ 60 , 61 ], zeolite [ 62 , 63 ], clay [ 64 , 65 ], zero−valent iron [ 66 ], biomass material [ 67 ] and so on. However, several academics have demonstrated recently that iron−based adsorbents, which are inexpensive and simple to recover, have a stronger adsorption impact on Sb and As than other conventional adsorbents.…”

Fixed-Bed Column Adsorption of Arsenic(v) by Porous Composite of Magnetite/Hematite/Carbon With Eucalyptus Wood Microstructure

“…The adsorption capacity, efficiency and mechanism from water onto the adsorbent surface are related to the influent pH, which affected the physical-chemical interaction between the aqueous adsorbate species and the adsorptive sites on the adsorbent surface (Targan et al 2013;Aksu, Gönen 2004). The As(V) adsorption experiments were carried out at the pHs between 1.0 and 10.0 to examine the effect of the influent pHs on As(V) adsorption in the PC-Fe/C column using a plot of dimensionless concentration (C t /C 0 ) versus time (t) ( Figure 6).…”