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7 Results Found

  • Article
  • Open Access
11 Citations
3,271 Views
11 Pages

23 February 2022

Natural fiber-reinforced concrete (NFRC) has the advantages of environmental protection, energy conservation and regeneration. However, studies conducted to improve the macro mechanical properties of concrete by pine needle fiber have achieved good r...

  • Article
  • Open Access
18 Citations
3,681 Views
14 Pages

28 February 2023

Aiming to generate wealth from waste and due to their significant fire threats to forests and their rich cellulose content, lignocellulosic pine needle fibers (PNFs) are utilized in this study as a reinforcement of the thermoplastic elastomer styrene...

  • Feature Paper
  • Article
  • Open Access
10 Citations
4,795 Views
10 Pages

Pretreatment of Loblolly Pine Tree Needles Using Deep Eutectic Solvents

  • Prathima Gujjula,
  • Narendra Kumar and
  • Joan G. Lynam

1 June 2021

Deep eutectic solvents (DES) are new ‘green’ solvents that have a high potential for biomass processing because of their low cost, low toxicity, biodegradability, and easy recycling. When Loblolly pine trees are harvested, their branches with needles...

  • Feature Paper
  • Article
  • Open Access
30 Citations
5,236 Views
9 Pages

Copper Adsorption by Magnetized Pine-Needle Biochar

  • Eleni Nicolaou,
  • Katerina Philippou,
  • Ioannis Anastopoulos and
  • Ioannis Pashalidis

2 December 2019

The Cu(II) adsorption from aqueous solutions by magnetic biochar obtained from pine needles has been studied by means of batch-type experiments. The biochar fibers have been magnetized prior (pncm: carbonized-magnetized pine needles) and after oxidat...

  • Article
  • Open Access
9 Citations
5,538 Views
12 Pages

Sustainable Wax Coatings Made from Pine Needle Extraction Waste for Nanopaper Hydrophobization

  • Sergejs Beluns,
  • Oskars Platnieks,
  • Jekaterina Sevcenko,
  • Mara Jure,
  • Gerda Gaidukova,
  • Liga Grase and
  • Sergejs Gaidukovs

We combine renewable and waste materials to produce hydrophobic membranes in the present work. Cellulose nanopaper prepared from paper waste was used as a structural component for the membrane. The pine wax was reclaimed from pine needle extraction w...

  • Article
  • Open Access
9 Citations
2,830 Views
19 Pages

30 December 2022

Because of serious electromagnetic pollution caused by the widespread use of radio frequency equipment, the study of electromagnetic interference (EMI) shielding materials has been a long-standing topic. Carbon fiber and graphene composites have grea...

  • Article
  • Open Access
7 Citations
8,955 Views
20 Pages

24 November 2023

Sub-micron particles are ubiquitous in the indoor environment, especially during wildfire smoke episodes, and have a higher impact on human health than larger particles. Conventional fibrous air filters installed in heating, ventilation, and air cond...