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Processes, Volume 11, Issue 7

July 2023 - 364 articles

Cover Story: A new methodology combining Monte Carlo N-Particle (MCNP) simulation and automated radioactive particle tracking (RPT) calibration was developed to study the impact of dense internals on hydrodynamics in bubble columns. Measurements were performed in a 6-inch Plexiglas column using an air–water system at a superficial gas velocity of 40 cm/s. Vertical Plexiglas rods covered approximately 25% of the column's cross-sectional area. The findings revealed that the internals increased liquid velocity near the column center by over 30%, resulting in improved liquid circulation and increased frequency of liquid eddy movement. Additionally, the use of vertical internals led to reduced turbulence parameters, attributed to diminished velocity fluctuations. View this paper
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Articles (364)

  • Article
  • Open Access
42 Citations
6,294 Views
13 Pages

A Review of CO2 Marine Geological Sequestration

  • Xiang Sun,
  • Anran Shang,
  • Peng Wu,
  • Tao Liu and
  • Yanghui Li

22 July 2023

Carbon dioxide (CO2) sequestration plays a crucial role in reducing the levels of atmospheric CO2 and mitigating the harmful effects of global warming. Among the various CO2 sequestration technologies, CO2 marine geological sequestration emerges as a...

  • Article
  • Open Access
6 Citations
1,839 Views
19 Pages

22 July 2023

Coalbed methane reservoirs exhibit a low strength and high heterogeneity, rendering them susceptible to coal fines generation during hydraulic fracturing operations. The detrimental impact of coal fines on the conductivity of the propped fracture has...

  • Feature Paper
  • Article
  • Open Access
7 Citations
2,822 Views
22 Pages

22 July 2023

Industrial facilities are seeking new strategies that help in providing savings mechanisms for demand charges. Demand charges are the charges incurred by industrial facilities as a result of power usage. Thermal energy storage has advanced significan...

  • Article
  • Open Access
10 Citations
4,626 Views
30 Pages

22 July 2023

Additive manufacturing (AM) technologies enable the production of customized and personalized medical devices that facilitate users’ comfort and rehabilitation requirements according to their individual conditions. The concept of a tailor-made...

  • Review
  • Open Access
3 Citations
3,628 Views
19 Pages

Chemical Composition and Biological Activities of the Cnidoscolus quercifolis: A Review

  • Joice Barbosa do Nascimento,
  • Maria Inácio da Silva,
  • Johnatan Wellisson da Silva Mendes,
  • Alexandro Rodrigues Dantas,
  • Fabíola Fernandes Galvão Rodrigues,
  • Domenico Montesano,
  • Monica Gallo,
  • Paolo Trucillo,
  • Gokhan Zengin and
  • José Galberto Martins da Costa

22 July 2023

Cnidoscolus quercifolius, commonly known as “favela”, “faveleira”, “urtiga-branca”, and “cansanção”, is a plant that is native to the Caatinga biome. The species is extremely tolerant to a...

  • Article
  • Open Access
5 Citations
3,368 Views
19 Pages

Effect of Jet Nozzle Position on Mixing Time in Large Tanks

  • Timothy Ayodeji Oluwadero,
  • Catherine Xuereb,
  • Joelle Aubin and
  • Martine Poux

22 July 2023

The present investigation focuses on the impact of jet nozzle orientation on mixing time in a cylindrical tank. The aim is to identify nozzle positions that improve mixing performance and to elucidate the governing parameters that influence it. A wat...

  • Article
  • Open Access
1 Citations
1,679 Views
17 Pages

Static Characteristics of Friction Block Teeth of Coiled Tubing Drilling Robot

  • Shuo Han,
  • Xiaohua Xiao,
  • Jianguo Zhao,
  • Xin Zhao and
  • Ruifan Yang

22 July 2023

Conventional downhole traction robots only provide axial traction, while coiled tubing drilling (CTD) robots must not only overcome the axial force but also overcome the reaction torque generated by the drill bit breaking the rock. Therefore, the too...

  • Article
  • Open Access
1 Citations
1,713 Views
12 Pages

22 July 2023

Soil is the main aggregation site of polycyclic aromatic hydrocarbons and an important pathway of migration to other media. In this paper, the adsorption behavior of pyrene and seven different types of surfactants on kaolinite surfaces was studied by...

  • Article
  • Open Access
6 Citations
2,073 Views
14 Pages

22 July 2023

The application of nanofiltration (NF) membranes in the forward osmosis (FO) process to remove heavy metal ions from wastewater is an emerging concept. Unlike NF, FO does not require an external driving force. Although the product, a dilute draw solu...

  • Article
  • Open Access
10 Citations
2,123 Views
30 Pages

21 July 2023

A novel four-parameter lifetime Lomax model is presented and investigated within the scope of this paper. The failure rate of the innovative model can be “monotonically decreasing failure rate,” “monotonically increasing failure rat...

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Processes - ISSN 2227-9717