Chuang LI, Qingfeng YANG, Shengsen LU, Yangqiao LIU. Adsorption of Phosphonate Antiscalant HEDP from Reverse Osmosis Concentrates by La/FeOOH@PAC [J]. Journal of Inorganic Materials, 2021, 36(8): 841
- Journal of Inorganic Materials
- Vol. 36, Issue 8, 841 (2021)
1. Variation of HEDP adsorption capacity on La/FeOOH@PAC with different molar ratios of the La/Fe
2. XRD patterns of PAC and La/FeOOH@PAC
3. Different magnification FE-SEM images of La/FeOOH@PAC composite
4. Adsorption kinetics of HEDP onto the adsorbent
5. Adsorption isotherm of HEDP onto the adsorbent
6. Linear plots fit of lnK dversus C efor the adsorption HEDP onto the adsorbent at different temperatures (a); linear plots of lnK 0versus 1/T for the adsorption of HEDP onto the adsorbent (b)
7. Wide scan (a), P2p (b) and O1s (c, d) XPS spectra of the adsorbent before and after adsorption
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Table 1. Simulation solution of RO concentrates
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Table 2. Elemental composition of the adsorbent
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Table 3. Parameters of kinetic models for HEDP adsorption onto the La/FeOOH@PAC composite
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Table 4. Parameters of isotherm models for HEDP adsorption onto the adsorbent
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Table 5. Thermodynamic parameters for HEDP adsorption onto the adsorbent
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