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Separations, Volume 10, Issue 2

February 2023 - 82 articles

Cover Story: Nowadays, in order to reduce pollution, it is essential to find a second life for waste. In this work, a sorbent has been prepared starting from wastepaper to which graphene oxide and Fe2O3 have been added. Using a carbothermal reaction, a nanocomposite sorbent based on rG-activated carbon-Fe3O4 was obtained to be used as a sorbent in the magnetic dispersive solid-phase extraction of antibiotics from human plasma. The morphological and structural features of the prepared “rG-AC-Fe3O4” samples were investigated via thermal analysis, X-ray diffraction, Raman spectroscopy, and scanning electron microscopy. Parameters affecting magnetic dispersive solid-phase extraction were optimized one variable at a time (OVAT). Finally, a UHPLC-PDA method was developed and applied for the determination of antibiotics. View this paper
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Articles (82)

  • Article
  • Open Access
9 Citations
6,583 Views
15 Pages

Surfactant-Enhanced Extraction of Lutein from Marigold Petals using an Aqueous Two-Phase System

  • Neha Maheshwari,
  • Raj Kumar Arya,
  • George D. Verros,
  • Pradip B. Dhamole and
  • Ashwin Kannan

15 February 2023

The extraction of lutein from marigold petals using a surfactant-based aqueous two-phase system is reported. In this work, the effectiveness of the hydrophilic-lipophilic balance of surfactants on extraction performance for the extraction of lutein f...

  • Article
  • Open Access
5 Citations
2,612 Views
15 Pages

15 February 2023

In recent years, high permeability membranes (HPMs) have attracted wide attention in seawater reverse osmosis (SWRO) desalination. However, the limitation of hydrodynamics and mass transfer characteristics for conventional spiral wound modules defeat...

  • Review
  • Open Access
41 Citations
10,110 Views
26 Pages

Potential of Advanced Oxidation as Pretreatment for Microplastics Biodegradation

  • Kristina Bule Možar,
  • Martina Miloloža,
  • Viktorija Martinjak,
  • Matija Cvetnić,
  • Hrvoje Kušić,
  • Tomislav Bolanča,
  • Dajana Kučić Grgić and
  • Šime Ukić

15 February 2023

In the last two decades, microplastics (MP) have been identified as an emerging environmental pollutant. Due to their small size, MP particles may easily enter the food chain, where they can have adverse effects on organisms and the environment in ge...

  • Article
  • Open Access
7 Citations
2,922 Views
13 Pages

15 February 2023

The Scutellaria baicalensis—Coptis chinensis pair is an herbal combination used for the treatment of various heat-related diseases. During the extraction process, two herbs can mutually influence the extraction efficiency of the chemical consti...

  • Article
  • Open Access
4 Citations
2,704 Views
14 Pages

Influence of Chemical Pretreatment on the Adsorption of N2 and O2 in Ca-Clinoptilolite

  • Miguel Ángel Hernández,
  • Gabriela I. Hernández,
  • Roberto Ignacio Portillo,
  • Ma de los Ángeles Velasco,
  • Juana Deisy Santamaría-Juárez,
  • Efraín Rubio and
  • Vitalii Petranovskii

15 February 2023

N2 and O2 adsorption isotherms in chemically modified clinoptilolite-Ca zeolites were experimentally estimated by inverse adsorption chromatography. Natural zeolites (CLINA) were chemically treated with HCl at different concentrations (H1-H4). The ad...

  • Article
  • Open Access
1 Citations
2,353 Views
15 Pages

14 February 2023

The flexibility of membrane contactors (MCs) is highlighted for a reverse osmosis (RO) desalination plant. MCs are applied as pre-treatment for the oxygen removal and the pH reduction of seawater, also as post-treatment for the pH increase of the RO...

  • Article
  • Open Access
6 Citations
5,999 Views
15 Pages

Effect of Extraction Methods on Essential Oil Composition: A Case Study of Irish Bog Myrtle-Myrica gale L.

  • Shipra Nagar,
  • Maria Pigott,
  • Sophie Whyms,
  • Apolline Berlemont and
  • Helen Sheridan

14 February 2023

Myrica gale is an aromatic peatland shrub that has reported traditional use as an insect repellent. Different extraction methodologies were used in this study to isolate the essential oil of Myrica gale L., including Clevenger hydrodistillation (CH)...

  • Article
  • Open Access
6 Citations
2,564 Views
12 Pages

Application of Encapsulated Quorum Quenching Strain Acinetobacter pittii HITSZ001 to a Membrane Bioreactor for Biofouling Control

  • Yongmei Wang,
  • Xiaochi Feng,
  • Wenqian Wang,
  • Hongtao Shi,
  • Zijie Xiao,
  • Chenyi Jiang,
  • Yujie Xu,
  • Xin Zhang and
  • Nanqi Ren

13 February 2023

Quorum quenching (QQ) is a novel anti-biofouling strategy for membrane bioreactors (MBRs) used in wastewater treatment. However, actual operation of QQ-MBR systems for wastewater treatment needs to be systematically studied to evaluate the comprehens...

  • Review
  • Open Access
11 Citations
7,537 Views
22 Pages

13 February 2023

Loquat is an evergreen tree belonging to the genus Loquat in Rosaceae. It is widely used in the processing of food and medicine. Based on the literature findings, the anti-tumor, antibacterial, anti-inflammatory and anti-oxidation activities of the e...

  • Review
  • Open Access
14 Citations
3,042 Views
32 Pages

Advancements in Clay Materials for Trace Level Determination and Remediation of Phenols from Wastewater: A Review

  • Zakariyya Uba Zango,
  • Muhammad Nur’Hafiz Rozaini,
  • Noor Hana Hanif Abu Bakar,
  • Muttaqa Uba Zango,
  • Maje Alhaji Haruna,
  • John Ojur Dennis,
  • Ahmed Alsadig,
  • Khalid Hassan Ibnaouf,
  • Osamah A. Aldaghri and
  • Ismael Abdalla Wadi

10 February 2023

The wide spread of phenols and their toxicity in the environment pose a severe threat to the existence and sustainability of living organisms. Rapid detection of these pollutants in wastewaters has attracted the attention of researchers from various...

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Separations - ISSN 2297-8739