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Separations, Volume 9, Issue 9

September 2022 - 34 articles

Cover Story: H2S is a toxic impurity gas that occurs in various industrial products. It is harmful to both humans and the environment. Nowadays, more and more industrial processes prefer H2S levels below 1 ppm. Therefore, H2S removal, especially trace H2S removal from industrial gases is of vital importance. Zeolite is widely used in H2S adsorption as it has a large specific surface area and unique structure. This paper reviews the current status and issues of zeolite-based adsorbents used to remove H2S from industrial gases. Particular attention is paid to the adsorption mechanism and the measures regarding how to enhance the adsorption performance. In addition, the studies of hydrogen sulfide removal by molecular simulation are also reviewed here. Based on these studies, we attempt to shed light on new perspectives for further research. View this paper
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Articles (34)

  • Article
  • Open Access
2 Citations
3,150 Views
13 Pages

High-Purity Corundum as Support for Affinity Extractions from Complex Samples

  • Jule L. Völzke,
  • Parya Hodjat Shamami,
  • Kornelia Gawlitza,
  • Ines Feldmann,
  • Annett Zimathies,
  • Klas Meyer and
  • Michael G. Weller

Nonporous corundum powder, known as an abrasive material in the industry, was functionalized covalently with protein binders to isolate and enrich specific proteins from complex matrices. The materials based on corundum were characterized by TEM, ESE...

  • Article
  • Open Access
7 Citations
2,710 Views
13 Pages

Extracellular vesicles (EVs) are 50–1000 nm membranous vesicles secreted from all cells that play important roles in many biological processes. Exosomes, a smaller-sized subset of EVs, have become of increasing interest in fundamental biochemis...

  • Article
  • Open Access
1 Citations
15,189 Views
7 Pages

False Positive Results of Phosphatidylethanol (PEth) Quantitation in Dried Blood Spots (DBS): The Influence of Alcohol Vapors

  • Anton Bashilov,
  • Sergey Osipenko,
  • Karolina Ikonnikova,
  • Oxana Kovaleva,
  • Boris Izotov,
  • Evgeny Nikolaev and
  • Yury Kostyukevich

The role of phosphatidylethanol (PEth) as an alcohol consumption marker is increasing in clinical and forensic medicine. During the COVID-19 pandemic, the role of hygiene increased, and it became common practice to use disinfectants almost everywhere...

  • Article
  • Open Access
5 Citations
2,671 Views
8 Pages

Chemical Composition of the Fixed Oil of Harconia speciosa and Modulation of the Antibiotic Activity against Non-Resistant and MDR Bacterial Strains

  • Erlânio O. de Sousa,
  • Maria do Socorro Costa,
  • Cícera Datiane M. Oliveira-Tintino,
  • Carla de Fátima A. Nonato,
  • Jacqueline C. A. Pinheiro,
  • Henrique Douglas M. Coutinho,
  • Irwin Rose A. de Menezes and
  • José Galberto M. Costa

The species Hancornia speciosa (mangabeira) has varied potential. The bark has astringent properties, latex is used for tuberculosis, ulcers, herpes, dermatoses and warts, leaf tea is used for menstrual cramps and the root decoction to treat dislocat...

  • Article
  • Open Access
7 Citations
4,139 Views
17 Pages

A Resolved Simulation Approach to Investigate the Separation Behavior in Solid Bowl Centrifuges Using Material Functions

  • Helene Katharina Baust,
  • Simon Hammerich,
  • Hartmut König,
  • Hermann Nirschl and
  • Marco Gleiß

The separation of finely dispersed particles from liquids is a basic operation in mechanical process engineering. On an industrial scale, continuously operating decanter centrifuges are often used, whose separation principle is based on the density d...

  • Article
  • Open Access
8 Citations
3,607 Views
18 Pages

Comparative Elucidation of Aroma, Key Odorants, and Fatty Acid Profiles of Ivorian Shea Butter Prepared by Three Different Extraction Methods

  • Kouame Fulbert Oussou,
  • Gamze Guclu,
  • Onur Sevindik,
  • Małgorzata Starowicz,
  • Hasim Kelebek and
  • Serkan Selli

In the present study, the volatile compounds, key odorants, and fatty acid profiles of Ivorian shea butter produced by cold press extraction (CPE), solvent extraction (SE) and traditional extraction (TE) methods were investigated for the first time....

  • Article
  • Open Access
37 Citations
8,402 Views
11 Pages

Phenolic Composition, Antioxidant and Antibacterial Activities of Extract from Flowers of Rosa damascena from Morocco

  • Mounia Chroho,
  • Aziz Bouymajane,
  • Yassine Oulad El Majdoub,
  • Francesco Cacciola,
  • Luigi Mondello,
  • Mustapha Aazza,
  • Touriya Zair and
  • Latifa Bouissane

Rosa damascena is referred to as the queen of roses due to its ornamental, flavoring, and perfuming uses, along with its recognized use in therapy. This study aimed to investigate the total phenols and flavonoids contents, the phenolic compounds, and...

  • Article
  • Open Access
4 Citations
3,567 Views
19 Pages

Camphorsulfonic acid salts are commonly used in the manufacturing production of active pharmaceutical ingredients (APIs) and have the potential to form alkyl camphorsulfonates, which can be considered as potential genotoxic impurities (PGIs). Alkyl c...

  • Article
  • Open Access
42 Citations
12,513 Views
9 Pages

Antioxidant Activity and Phenolic Content of Sonication- and Maceration-Assisted Ethanol and Acetone Extracts of Cymbopogon citratus Leaves

  • Shafeeqa Irfan,
  • Muhammad Mudassar Ali Nawaz Ranjha,
  • Muhammad Nadeem,
  • Muhammad Naeem Safdar,
  • Saqib Jabbar,
  • Shahid Mahmood,
  • Mian Anjum Murtaza,
  • Kashif Ameer and
  • Salam A. Ibrahim

Cymbopogon citratus is a medicinal and well-known aromatic plant which is usually used as a substitute for green-tea with extraordinary phytomedicinal potential. It is of great importance because it offers several promising health effects. The object...

  • Communication
  • Open Access
3 Citations
3,255 Views
9 Pages

Boosting the Liquid Chromatography Separation of Complex Bispecific Antibody Products by Using the Multi-Isocratic Elution Mode

  • Amarande Murisier,
  • Valentina D’Atri,
  • Vincent Larraillet,
  • Sebastian Pirner and
  • Davy Guillarme

In reversed-phase liquid chromatography (RPLC), the selectivity between major species and minor variants of protein biopharmaceutical products is always limited. Unfortunately, the stationary phase chemistry, type of mobile phase (organic modifier an...

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Separations - ISSN 2297-8739