Al-doped H 2 TiO 3 ion sieve with enhanced Li + adsorption performance
Open accessAbstract
H 2 TiO 3 (HTO) is considered to be one of the most promising adsorbents for lithium recovery from aqueous lithium resources duo to its highest theoretical adsorption capacity.
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The dissolution of Ti from Al-doped H2TiO3 after multiple regenerations was marginal (2.53%).
“Additionally, the dissolution of Ti after multiple regenerations was marginal (2.53%).”
From A review of technologies for direct lithium extraction from low Li+ concentration aqueous solutions (2022) · cites this paper as Dai et al., 2021
The Abstract gives 2.53% Ti dissolution for the Al-doped adsorbent, but states that the dissolution rate after five cycles was 1.7%. The Results and discussion section (“Cycle performance,” Fig. 9) likewise reports 1.7% in the fifth cycle. The claim assigns the 2.53% figure to multiple regenerations, contrary to the reported cycle result. (LLM, conf=0.90)
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Experimental — accuracy not yet measuredWhile the theoretical adsorption capacity of H2TiO3 LISs is higher than most LMO-type LISs, the practical adsorption capacity demonstrated after recovery from brine or seawater is often lower.
“While the theoretical adsorption capacity of H2TiO3 LISs is higher than most LMO-type LISs, the practical adsorption capacity demonstrated after recovery from brine or seawater is often lower (Dai et al., 2021).”
From A review of technologies for direct lithium extraction from low Li+ concentration aqueous solutions (2022) · cites this paper as Dai et al., 2021
The Introduction (page unavailable) says H2TiO3 has a higher theoretical adsorption capacity than manganese oxides, and the Abstract (page unavailable) says its actual capacity is much lower than its theoretical capacity. Neither passage says that H2TiO3's practical capacity after recovery from brine or seawater is often lower than that of LMO-type ion sieves; the reported brine results do not make that comparison. (LLM, conf=0.88)
Experimental — accuracy not yet measuredUndoped H2TiO3 achieved a maximum adsorption capacity of 29.73 mg/g.
“The undoped H2TiO3 achieved a maximum of 29.73 mg/g.”
From A review of technologies for direct lithium extraction from low Li+ concentration aqueous solutions (2022) · cites this paper as Dai et al., 2021
Al-doped H2TiO3 demonstrated favorable adsorption selectivity and solubility resistance.
“Although there was no major improvement in adsorption capacity, the Al-doped H2TiO3 demonstrated favorable adsorption selectivity and solubility resistance.”
From A review of technologies for direct lithium extraction from low Li+ concentration aqueous solutions (2022) · cites this paper as Dai et al., 2021
Al-doped H2TiO3 achieved a maximum adsorption capacity of 32.1 mg/g, with the adsorption capacity remaining at 29.3 mg/g after five HCl elution cycles.
“A maximum adsorption capacity of 32.1 mg/g was achieved, with the adsorption capacity remaining at 29.3 mg/g after fi ve HCl elution cycles.”
From A review of technologies for direct lithium extraction from low Li+ concentration aqueous solutions (2022) · cites this paper as Dai et al., 2021
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Sorted by citations
A review of technologies for direct lithium extraction from low Li+ concentration aqueous solutions
Murphy, O., & Haji, M. N. (2022) · Frontiers in Chemical Engineering · doi:10.3389/fceng.2022.1008680 · Cited by 157 · see citing works
“While the theoretical adsorption capacity of H2TiO3 LISs is higher thanmost LMO-type LISs, the practical adsorption capacity demonstrated after recovery from brine or seawater is often lower (Dai et al., 2021).”
BackgroundElectrochemical Behaviors of Porous Spherical Spinel H1.6Mn1.6O4 with High Li+ Adsorption Capacity
Zhan, H., Qiao, Y., Qian, Z., Li, J., Wu, Z., & Liu, Z. (2023) · Separation and Purification Technology · doi:10.1016/j.seppur.2022.122485 · Cited by 30 · see citing works
Self-citation
- Authors
- Dai, X., Zhan, H., Qian, Z., Li, J., Liu, Z., & Wu, Z.
- Affiliations
- Chinese Academy of Sciences (CN)
- Corresponding author
- Qian, Zhiqiang
- Liu, Zhong
- Venue
- RSC Advances
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2021
- Volume
- 11
- Issue
- 55
- Pages
- 34988-34995
- ISSN
- 2046-2069 (ISSN-L)
- PMC
- PMC9042861
- OpenAlex
- W3208074523
- Cited by
- 66
- References
- 2
- Citations by year
- 2026: 22 · 2025: 22 · 2024: 14 · 2023: 5 · 2022: 3
- FWCI
- 3.35
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- RSC Advances (publishedVersion, cc-by-nc)
- PubMed Central (publishedVersion, cc-by-nc)
- PubMed (publishedVersion)
- Funders
- Youth Innovation Promotion Association of the Chinese Academy of Sciences (2016377)
- National Natural Science Foundation of China (51302280, U1607105, U20A20141)
- Natural Science Foundation of Qinghai (2018-GX-101, 2019-HZ-808, 2020-ZJ-901)
- Topics
- Physical Sciences › Environmental Science › Waste Management and Disposal › Chemical Synthesis and Characterization
- Physical Sciences › Engineering › Mechanical Engineering › Extraction and Separation Processes
- Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
- Keywords
- hydrogen titanate, aluminum doping, ion sieve, lithium adsorption, lithium recovery, adsorbents
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