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Separations, Volume 10, Issue 6

June 2023 - 44 articles

Cover Story: The increasing use of electronic devices has also led to an increase in the demand for many metals, of which gallium is especially important due to its wide range of applications. For this reason, gallium has been incorporated into the critical raw materials list. In this context, it is crucial to seek alternative sources of gallium, with the Waste from Electrical and Electronic Equipment (WEEE) and Bayer liquor from the alumina process being reliable alternatives. These residues can be digested to generate aqueous streams, from which gallium can be recovered with several processes, such as adsorption. Adsorption does not allow a direct recovery of gallium, but it allows its preconcentration so that further recovery treatments are economically feasible. In this study, we compare two potential candidate adsorbents for gallium recovery. View this paper
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Articles (44)

  • Article
  • Open Access
4 Citations
3,605 Views
17 Pages

Development and Validation of Liquid Chromatography-Tandem Mass Spectrometry Method for Simultaneous Determination of Tramadol and Its Phase I and II Metabolites in Human Urine

  • Varsha Chauhan,
  • Manu Sharma,
  • Abhishek Tiwari,
  • Varsha Tiwari,
  • Manish Kumar,
  • Tarun Virmani,
  • Girish Kumar,
  • Najla Altwaijry,
  • Omkulthom Al kamaly and
  • Asmaa Saleh
  • + 1 author

Tramadol (TD) has been prescribed frequently in many countries for more than 40 years, but there is a risk of its misuse and trafficking. As a result, drug analysis has numerous legal and socially relevant implications, making it an essential part of...

  • Article
  • Open Access
2 Citations
1,889 Views
19 Pages

Quantity and measure value transfer is widely used to examine the correlation between the quality of Chinese herbs, Chinese herbal intermediates, and Chinese patent medicines. This study performed a quantity and measure value transfer analysis to ass...

  • Article
  • Open Access
5 Citations
2,962 Views
18 Pages

Rapid Multi-Residue Method for Simultaneous Determination of 1,3,5-Triazine Herbicides in Environmental Samples by Capillary GC-MS-EI Selective Ion Monitoring Method

  • Perumal E. Ravi,
  • Perumal E. Thirugnanam,
  • Jothi Ramalingam Rajabathar,
  • Hamad Al-Lohedan,
  • S. Jenifer and
  • Muthusamy Karnan

A new multi-residue method using gas chromatography–mass spectrometry electron ionization selective ion monitoring mode (SIM) has been developed for the simultaneous determination of eight 1,3,5-triazine herbicides such as 1,3,5-triazine-2,4-di...

  • Article
  • Open Access
19 Citations
4,124 Views
16 Pages

Antimicrobial Efficacy and HPLC Analysis of Polyphenolic Compounds in a Whole-Plant Extract of Eryngium campestre

  • Abdulaziz A. Al-Askar,
  • Shimaa Bashir,
  • Abdallah E. Mohamed,
  • Omaima A. Sharaf,
  • Rokaia Nabil,
  • Yiming Su,
  • Ahmed Abdelkhalek and
  • Said I. Behiry

Due to the constant increase in the number of plant diseases and the lack of available treatments, there has been a growing interest in plant extracts over the past few decades. Numerous studies suggest that plant extract molecules possess valuable a...

  • Article
  • Open Access
7 Citations
2,461 Views
11 Pages

Phytotoxicity of Rich Oxygenated Terpenes Essential Oil of Prosopis farcta against the Weed Dactyloctenium aegyptium

  • Ahmed M. Abd-ElGawad,
  • Abdulaziz M. Assaeed,
  • Abd El-Nasser El Gendy,
  • Luisa Pistelli,
  • Basharat A. Dar and
  • Abdelsamed I. Elshamy

Weeds are considered the main reason for crop yield loss in the world. Weed control and management include various treatments such as cultural, physical, chemical, and biological methods. Chemical control of weeds is the most common method; however,...

  • Article
  • Open Access
6 Citations
2,766 Views
16 Pages

Isolation and Identification of Flavonoids from Black Cumin (Nigella sativa) by HPLC-MS and In Silico Molecular Interactions of Their Major Compounds with Fusarium oxysporum Trypsin-like Serine Protease

  • Hossam S. El-Beltagi,
  • Seham M. S. Abdel Aziz,
  • A. I. Aboshady,
  • Mervat A. R. Ibrahim,
  • Mohamed F. M. Ibrahim,
  • Muneefah Abdullah Alenezi,
  • Doaa Bahaa Eldin Darwish,
  • Salem Mesfir Al-Qahtani,
  • Nadi Awad Al-Harbi and
  • Hadeer Darwish
  • + 1 author

Fusarium oxysporum is one of the most harmful soil-borne pathogens that cause root rot, damping-off, and wilt disease in many plant species. Management of Fusarium oxysporum diseases is often by using many harmful and expensive chemical fungicides wh...

  • Article
  • Open Access
1 Citations
2,863 Views
12 Pages

A sensitive, simple, and fast liquid chromatography–tandem mass spectrometry (LC–MS/MS) bioanalytical method was developed to determine remifentanil in human plasma and prevent its instability by esterases during quantification. A 20 μ...

  • Article
  • Open Access
9 Citations
2,711 Views
21 Pages

Application of a Novel Bifunctionalized Magnetic Biochar to Remove Cr(VI) from Wastewater: Performance and Mechanism

  • Xiangfen Cui,
  • Juan Wang,
  • Qun Zhao,
  • Chen Li,
  • Jianhong Huang,
  • Xuewei Hu,
  • Jie Li and
  • Mantao Li

Biochar adsorption has emerged as a favorable and environmentally friendly approach for removing metals such as chromium (Cr) from wastewater. However, the use of pristine biochar (PBC) is limited due to its finite adsorptive capacity, selectivity, a...

  • Communication
  • Open Access
2 Citations
2,159 Views
11 Pages

With the development of health service, animal husbandry, aquaculture and the chemical industry, more and more pollutants are discharged into the water environment, including antibiotics and heavy-metal ions. These hazardous substances pose a great t...

  • Article
  • Open Access
6 Citations
4,182 Views
19 Pages

Study on the Effects of Wet Flue Gas Desulfurization on Particulate Matter Emission from Industrial Coal-Fired Power Plants

  • Anyu Wang,
  • Shuran Li,
  • Qinzhen Zheng,
  • Shuo Zhang,
  • Shihao Zhang,
  • Zhihao Wang,
  • Zhen Liu and
  • Keping Yan

This study aimed to investigate the effects of wet flue gas desulfurization (WFGD) on particulate matter (PM) emissions in coal-fired power plants (CFPPs) using an electrical low-pressure impactor (ELPI). The investigation was conducted on five indus...

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Separations - ISSN 2297-8739Creative Common CC BY license