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ChemEngineering, Volume 7, Issue 1

February 2023 - 15 articles

Cover Story: Heterogeneous photocatalytic technology that uses biomass, sunlight and water offers a simple method to transform biomass waste into valuable chemicals and clean H2 fuel. The C3N4 organic polymer photocatalyst semiconductor and its composites are used to produce H2 at room temperature and atmospheric pressure in an efficient, low-cost and sustainable process. View this paper
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Articles (15)

  • Article
  • Open Access
3 Citations
5,819 Views
13 Pages

Effects of Lithium Source and Content on the Properties of Li-Rich Layered Oxide Cathode Materials

  • Yufan Wang,
  • Marianna Hietaniemi,
  • Juho Välikangas,
  • Tao Hu,
  • Pekka Tynjälä and
  • Ulla Lassi

Lithium-rich layered oxide (LLO) are considered high-capacity cathode materials for next-generation lithium-ion batteries. In this study, LLO cathode materials were synthesized via the hydroxide coprecipitation method followed by a two-step lithiatio...

  • Article
  • Open Access
11 Citations
3,912 Views
11 Pages

Extraction of Noble Metals from Pyrite Cinders

  • Bagdaulet Kenzhaliyev,
  • Tatiana Surkova,
  • Dinara Yessimova,
  • Zhazira Baltabekova,
  • Yerkezhan Abikak,
  • Bekzat Abdikerim and
  • Zamzagul Dosymbayeva

When obtaining sulfuric acid from pyrite concentrates, a significant amount of waste is generated in the form of pyrite cinders that require disposal. The methods used in processing this raw material are, as a rule, the pyrometallurgical processes of...

  • Article
  • Open Access
4 Citations
3,575 Views
17 Pages

Currently, the most common method of silane synthesis for electronics and photovoltaics is trichlorosilane (TS) dismutation. TS dismutation proceeds in the form of a reactions cascade, therefore its study is of both practical and scientific interest....

  • Communication
  • Open Access
1 Citations
2,230 Views
10 Pages

A general mathematical framework for the quantitative description of the cluster size dependence in heterogeneous catalytic reactions has been developed based on an analysis of the Gibbs energy of elementary reactions. The methodology was illustrated...

  • Review
  • Open Access
20 Citations
4,495 Views
17 Pages

Photoreforming (PR) of biomass can be considered a viable technology under mild experimental conditions to produce hydrogen with a high reaction rate using compounds from renewable resources and waste materials. The application of biomass PR gives ri...

  • Article
  • Open Access
9 Citations
4,804 Views
16 Pages

Ultrasound-Assisted Encapsulation of Citronella Oil in Alginate/Carrageenan Beads: Characterization and Kinetic Models

  • Aji Prasetyaningrum,
  • Bangkit Suryo Wicaksono,
  • Azafilmi Hakiim,
  • Aulia Dwi Ashianti,
  • Sadrakh Farel Christian Manalu,
  • Nur Rokhati,
  • Dani Puji Utomo and
  • Mohammad Djaeni

The objective of this research was to investigate the effect of ultrasonication on citronella oil encapsulation using alginate/carrageenan (Alg/Carr) in the presence of sodium dodecyl sulfate (SDS). The functional groups of microparticles were charac...

  • Article
  • Open Access
12 Citations
6,540 Views
11 Pages

Renewable Polymers Derived from Limonene

  • Roman Aleksandrovich Lyubushkin,
  • Natalia Igorevna Cherkashina,
  • Dar’ya Vasil’yevna Pushkarskaya,
  • Dar’ya Sergeyevna Matveenko,
  • Alexander Sergeevich Shcherbakov and
  • Yuliya Sergeevna Ryzhkova

Renewable natural and synthetic basic substances can be used to produce biodegradable polymers. Several methods of the polymerization of terpene limonene have been evaluated. The polymerization methods evaluated are radical polymerization, cationic p...

  • Article
  • Open Access
2 Citations
2,463 Views
18 Pages

Two significant units in biomass-based hydrogen plants are the compressor and steam reformer. The compressor works to achieve high pressure for further operations, while the steam reformer produces H2 gas. For the units to operate well against distur...

  • Article
  • Open Access
11 Citations
2,815 Views
13 Pages

Barley straw (BS-C) and corn stalks (CS-C) modified by citric acid are hopeful adsorbents for the removal of cationic dyes from aqueous solutions. Optimization of adsorption factors to improve removal of methylene blue (MB) and malachite green (MG) o...

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ChemEngineering - ISSN 2305-7084