Article
Chemistry, Applied
E. M. Abu Elgoud, Z. H. Ismail, Y. A. El-Nadi, S. M. Abdelwahab, H. F. Aly
Summary: The ability of a strongly acidic cation exchange resin, SQS-6, to extract and separate rare earth ions from phosphoric acid solution was studied. The results showed that the amount of adsorbed metal ions decreased with increasing phosphoric acid concentration, and the sorption process was endothermic and spontaneous. The experimental sorption capacity of the resin followed the Langmuir isotherm model.
RUSSIAN JOURNAL OF APPLIED CHEMISTRY
(2022)
Article
Multidisciplinary Sciences
Azadeh Yarahmadi, Mohammad Hassan Khani, Masoud Nasiri Zarandi, Younes Amini, Ali Yadollahi
Summary: This study investigated the removal efficiency of Cerium (Ce(III)) and lanthanum (La(III)) ions from aqueous solution using Amberlite XAD-7 resin impregnated with DEHPA (XAD7-DEHPA). The optimal operating conditions were determined through response surface methodology based on the central composite design. The results showed that XAD7-DEHPA resin was effective in selectively removing Ce(III) and La(III) ions, with an adsorption percentage of 99.99% and 78.76% respectively. Langmuir isotherm model was found to best describe the equilibrium data, and the maximum adsorption capacity of the adsorbent was 8.28 mg/g for Ce(III) and 5.52 mg/g for La(III).
SCIENTIFIC REPORTS
(2023)
Article
Chemistry, Multidisciplinary
H. A. Madbouly, N. E. El-Hefny, Y. A. El-Nadi
Summary: The macroporous copolymer of styrene and divinylbenzene resin (TVEX-PHOR) was studied for its adsorption efficiency towards terbium(III) and gadolinium(III) in nitrate medium. The sorption capacity for Tb(III) (24.93 mg/g) was found to be higher than that for Gd(III) (15.49 mg/g). Thermodynamic parameters indicated that the sorption process was spontaneous and exothermic.
SEPARATION SCIENCE AND TECHNOLOGY
(2021)
Article
Engineering, Environmental
Stephanie S. Lau, Alexandria L. Forster, Susan D. Richardson, William A. Mitch
Summary: This study compared the recovery rates of different DBP extraction methods at 1-L and 10-L scales, finding that XAD resin extraction resulted in lower recovery rates for (semi-)volatile DBPs, while TOX recovery rates were generally similar across the three extraction methods.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2021)
Article
Chemistry, Analytical
Jong-Gil Im, Ho-Song Pak, Yong-Min Kim, Sun-Yong Om, O. Yun-Hak
Summary: This study introduces an extractive chromatography method for the radiochemical separation of In-111 from Cd targets irradiated from a charged particle accelerator. The separability of In-111 from Cd was evaluated by determining the extraction equilibrium constant and the adsorption band movement rate. The results showed that the developed method is capable of efficiently separating In-111, and the nuclear purity of the separated In-111 meets the requirements of nuclear pharmaceutical.
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
(2022)
Review
Engineering, Chemical
Tianchi Liu, Ji Chen
Summary: Heavy rare earth elements (HREEs) have unique physicochemical properties that are essential in high-tech components, green technologies, and material industries, but the huge demand has led to a decrease in reserves. This review discusses advanced technologies for separation and purification of HREEs, highlighting crucial scientific issues and proposing essential perspectives for future research. It aims to provide theoretical guidance for the preparation of high-purity HREEs and references for recovery from actual production.
SEPARATION AND PURIFICATION TECHNOLOGY
(2021)
Article
Engineering, Chemical
Kamal Samrane, Mohammad Latifi, Mohammad Khajouei, Ahmed Bouhaouss
Summary: The fertilizers industry mainly processes phosphate, phosphoric acid, and ammonia. Cadmium, a challenging material, naturally exists in the heterogeneous mixture of phosphate ore, which serves as the main source of phosphate for fertilizer production. The legal limits for cadmium in fertilizers are set at 60 mg/kg by different regions, guidelines, and standards such as the European Union (EU), China, Canada, and the International Fertilizer Association (IFA). The removal of cadmium from wet phosphoric acid poses significant challenges for the fertilizers industry due to environmental, economic, financial, political, and legal constraints. This article reviews the developments of cadmium removal technologies in the phosphoric acid industry, focusing on technical feasibility, complexity, cost evaluation, and sustainability of potential industrial-scale applications.
MINERALS ENGINEERING
(2023)
Article
Biochemical Research Methods
Joe Mahmoud, Matthew Higginson, Paul Thompson, Christopher Gilligan, Francis Livens, Scott L. Heath
Summary: Several novel extraction chromatography resins (EXC) have been synthesized by solvent impregnation method, and they show good performance in selectively extracting americium. Compared with previous complex synthesis methods, the solvent impregnation method reported in this study is simpler and more effective.
JOURNAL OF CHROMATOGRAPHY A
(2022)
Article
Biochemistry & Molecular Biology
Guangfei Duan, Yanqin Li, Meimei Ye, Hexin Liu, Ning Wang, Shizhong Luo
Summary: Transthyretin (TTR) aggregation and amyloid formation in ATTR diseases involve liquid-liquid phase separation (LLPS) and subsequent liquid-to-solid phase transition. Electrostatic interactions mediate LLPS of TTR, and pathogenic mutations and heparin promote the process of phase transition and aggregate formation. Post-translational modifications of TTR, such as S-cysteinylation and S-sulfonation, affect the stability and aggregation propensity of TTR. These findings provide molecular insights into the mechanism of TTR aggregation and suggest potential therapeutic targets for ATTR diseases.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Pharmacology & Pharmacy
Adrian Krummnow, Andreas Danzer, Kristin Voges, Stefanie Dohrn, Samuel O. Kyeremateng, Matthias Degenhardt, Gabriele Sadowski
Summary: This study provides a thermodynamic analysis of the release mechanism of amorphous solid dispersions (ASDs) composed of ritonavir and poly(vinylpyrrolidone-co-vinyl acetate). The observed release behavior is explained based on the quantitative thermodynamic phase diagram predicted by PC-SAFT. Liquid-liquid phase separation in the dissolution medium and amorphous phase separation in the ASD are linked back to the same thermodynamic origin, and they occur simultaneously in the investigated system.
Article
Chemistry, Analytical
Elahe Naghdi, Reyhane Ahmadloo, Mehrdad Shadi, Griffin E. Moran
Summary: Due to its importance in various industries, the need for pure enantiomers has increased. This review provides an overview of enantioselective extraction methods, focusing on solid-liquid extraction and liquid-liquid extraction. It discusses their benefits and limitations and also introduces novel methods. This study is comprehensive, providing insights into the categories and applications of chiral extraction techniques.
TRENDS IN ENVIRONMENTAL ANALYTICAL CHEMISTRY
(2023)
Article
Engineering, Chemical
Zhiyuan Zeng, Xiang Su, Yun Gao, Gaoshan Yu, Shuainan Ni, Jia Su, Xiaoqi Sun
Summary: By functionalizing the cation of ionic liquid, a novel bifunctional ionic liquid [N888DOPE][C272] was developed to separate Lutetium from mixed solution. The IL exhibited superior extraction ability, maximum load capacity and selectivity for Lu(III) compared to unphosphonate-functionalized ionic liquid. The extraction mechanism of [N888DOPE][C272] was identified as an ion association through infrared spectra analysis.
SEPARATION AND PURIFICATION TECHNOLOGY
(2021)
Article
Engineering, Environmental
Wang Chen, Xiaowei Li, Linlin Chen, Guolang Zhou, Qingqiang Lu, Yan Huang, Yanhong Chao, Wenshuai Zhu
Summary: This study successfully extracted high concentration Li+ from the mother liquor using a hydrophobic deep eutectic solvent as a novel coextraction reagent, showing good selectivity, stability, and reusability.
CHEMICAL ENGINEERING JOURNAL
(2021)
Review
Chemistry, Inorganic & Nuclear
Anna A. Kotova, Didier Thiebaut, Jerome Vial, Antoine Tissot, Christian Serre
Summary: Analytical chemistry is crucial for separating complex mixtures, and Metal-organic frameworks (MOFs) are promising porous hybrid solids with unique physico-chemical properties, which can be applied in chromatography and solid-phase extraction to address challenges in these fields.
COORDINATION CHEMISTRY REVIEWS
(2022)
Article
Engineering, Environmental
A. Bokhary, M. Leitch, B. Q. Liao
Summary: Liquid-liquid extraction (LLE) technology in biomass biorefinery has shown many advantages in the separation and purification of bioproducts, becoming a potential technology for biomass biorefinery with a promising future.
JOURNAL OF WATER PROCESS ENGINEERING
(2021)
Article
Chemistry, Multidisciplinary
Nagaphani Kumar Batchu, Ho Seok Jeon, Man Seung Lee
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
(2015)
Article
Chemistry, Multidisciplinary
Thi Hong Nguyen, Batchu Nagaphani Kumar, Man Seung Lee
KOREAN JOURNAL OF CHEMICAL ENGINEERING
(2016)
Article
Engineering, Chemical
Nagaphani Kumar Batchu, Tom Vander Hoogerstraete, Dipanjan Banerjee, Koen Binnemans
SEPARATION AND PURIFICATION TECHNOLOGY
(2017)
Article
Chemistry, Multidisciplinary
Nagaphani Kumar Batchu, Tom Vander Hoogerstraete, Dipanjan Banerjee, Koen Binnemans
Article
Metallurgy & Metallurgical Engineering
Nagaphani Kumar Batchu, Koen Binnemans
Article
Metallurgy & Metallurgical Engineering
Nagaphani Kumar Batchu, Chong Ho Sonu, Man Seung Lee
Article
Metallurgy & Metallurgical Engineering
Nagaphani Kumar Batchu, Chong Ho Sonu, Man Seung Lee
Article
Engineering, Chemical
Joon Soo Kim, B. Nagaphani Kumar, S. Radhika, M. Lakshmi Kantam, B. Ramachandra Reddy
INTERNATIONAL JOURNAL OF MINERAL PROCESSING
(2012)
Article
Thermodynamics
B. Nagaphani Kumar, Chong Ho Sonu, Man Seung Lee
JOURNAL OF CHEMICAL AND ENGINEERING DATA
(2013)
Article
Chemistry, Applied
S. Radhika, V. Nagaraju, B. Nagaphani Kumar, M. Lakshmi Kantam, B. Ramachandra Reddy
JOURNAL OF RARE EARTHS
(2012)
Article
Engineering, Chemical
Radhika Surampally, Nagaphani Kumar Batchu, Lakshmi Kantam Mannepalli, Ramachandra Reddy Bontha
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
(2012)
Article
Materials Science, Multidisciplinary
Nagaphani Kumar Batchu, Jae Woo Ahn, Man Seung Lee
KOREAN JOURNAL OF METALS AND MATERIALS
(2014)
Article
Materials Science, Multidisciplinary
Nagaphani Kumar Batchu, Bo Eun Kim, Man Seung Lee
KOREAN JOURNAL OF METALS AND MATERIALS
(2014)
Article
Chemistry, Multidisciplinary
Joon Soo Kim, B. Nagaphani Kumar, Jin Young Lee, M. Lakshmi Kantam, B. Ramachandra Reddy
SEPARATION SCIENCE AND TECHNOLOGY
(2012)
Article
Chemistry, Multidisciplinary
B. Nagaphani Kumar, B. Ramachandra Reddy, M. Lakshmi Kantam, J. Rajesh Kumar, Jin Young Lee
SEPARATION SCIENCE AND TECHNOLOGY
(2014)