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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
2 Citations
4,506 Views
17 Pages

Particle Cut Diameter Prediction of Uniflow Cyclone Systems with Fuzzy System Analysis

  • Vinzenz Klapper,
  • Giovanni Luzi,
  • Benedict Prah and
  • Antonio Delgado

Cyclones are devices used in various industries to remove particulate matter from gases and liquids. Commonly used in the power generation, cement, and mining industries, cyclones improve the efficiency and longevity of equipment by removing dust and...

  • Article
  • Open Access
10 Citations
2,696 Views
16 Pages

Phytochemistry and Biological Activities of Essential Oils from Satureja calamintha Nepeta

  • Rajae El Brahimi,
  • Azeddin El Barnossi,
  • Abdelfattah El Moussaoui,
  • Mohamed Chebaibi,
  • Rabie Kachkoul,
  • Asmae Baghouz,
  • Hiba-Allah Nafidi,
  • Ahmad Mohammad Salamatullah,
  • Mohammed Bourhia and
  • Amina Bari

Satureja calamintha nepeta (S. calamintha) has a history of successful use in the treatment of bacterial and fungal diseases. The present study was designed to investigate the chemical composition and antioxidant and antimicrobial activities of essen...

  • Article
  • Open Access
3,011 Views
16 Pages

Development and Validation of UPLC–MS/MS Method for Quantitative Analysis of 5-Fluorouracil in Aqueous Humor of Rabbits

  • Mohd Abul Kalam,
  • Sulaiman S. Alhudaithi,
  • Adel Ali Alhowyan,
  • Muzaffar Iqbal,
  • Mohammad Raish,
  • Abdullah K. Alshememry,
  • Musaed Alkholief,
  • Aliyah A. Almomen and
  • Aws Alshamsan

5-Fluorouracil (5-FU) is now used in eye drops for the management of conjunctival malignant melanoma, intraepithelial neoplasia, and corneal and conjunctival squamous cell carcinoma. The previously used methods for 5-FU quantification in AqH were tim...

  • Article
  • Open Access
2 Citations
3,674 Views
15 Pages

This study used an experimental design approach to optimize an HPLC method for the simultaneous determination of three pharmaceutical residues (triamcinolone, nystatin, and gramicidin) in industrial wastewater samples. The goal of using an experiment...

  • Article
  • Open Access
5 Citations
4,180 Views
15 Pages

Extractive Distillation Approach to the Separation of Styrene from Pyrolysis Gasoline Feedstock Coupled with Deep Desulfurization

  • Guanchu Guo,
  • Chuanlei Liu,
  • Yuxiang Chen,
  • Qiyue Zhao,
  • Weikang Gao,
  • Hao Wang,
  • Fengjing Yang,
  • Benxian Shen,
  • Di Wu and
  • Hui Sun

The separation of mixtures with close boiling points is a critical task in the petrochemical industry, and one such mixture that requires separation is o-xylene/styrene. The STED process is used to separate o-xylene/styrene, which contains a certain...

  • Article
  • Open Access
10 Citations
5,316 Views
15 Pages

Identification and Assessment of Therapeutic Phytoconstituents of Catharanthus roseus through GC-MS Analysis

  • Jyoti Rani,
  • Manish Kapoor,
  • Sanju Bala Dhull,
  • Gulden Goksen and
  • Slaven Jurić

The leaves of Catharanthus roseus (L.) G. Don contain a large number of diverse secondary metabolites, making them comparably complex. The Catharanthus genus has received increased interest from scientists in recent years due to its extensive applica...

  • Article
  • Open Access
10 Citations
2,648 Views
11 Pages

Semiconductor photocatalysis technology is an environmentally friendly and efficient emerging technology. This method can use sunlight as a driving force to quickly decompose organic pollutants in water bodies. Zinc oxide (ZnO) and tungsten oxide (WO...

  • Article
  • Open Access
8 Citations
3,047 Views
11 Pages

F. religiosa bark has been extensively used in traditional medicinal systems, such as Ayurveda, for its health benefits. The aim of this study was to investigate the secondary metabolites (phenolics and flavonoids) of the hydroalcoholic stem-bark ext...

  • Review
  • Open Access
32 Citations
10,279 Views
36 Pages

A Comprehensive Review of the Developments in Electrocoagulation for the Removal of Contaminants from Wastewater

  • Mohamed Ammar,
  • Ezz Yousef,
  • Muhammed A. Mahmoud,
  • Sherif Ashraf and
  • Jonas Baltrusaitis

Water organic pollution has become a major issue. A large number of people suffer from the decline in water quality. In addition, polluted water can lead to health problems or excessive deaths. In this regard, an increasingly important method for eff...

  • Communication
  • Open Access
5 Citations
1,806 Views
10 Pages

Photochemical generation is an important pathway for atmospheric sulfate formation. However, the roles of atmospheric co-existing photosensitive dissolved organic matter (DOM) in sulfate formation are still unclear. The experimental results in this w...

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Separations - ISSN 2297-8739