Andrzej G. Chmielewski

ORCID: 0000-0001-6262-5952
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About
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Research Areas
  • Catalytic Processes in Materials Science
  • Plasma Applications and Diagnostics
  • Industrial Gas Emission Control
  • Radiation Effects and Dosimetry
  • Graphite, nuclear technology, radiation studies
  • Extraction and Separation Processes
  • Renewable energy and sustainable power systems
  • Radioactive element chemistry and processing
  • Chemical Synthesis and Characterization
  • Nuclear and radioactivity studies
  • Metal Extraction and Bioleaching
  • Atmospheric chemistry and aerosols
  • Plasma Diagnostics and Applications
  • Engine and Fuel Emissions
  • Gas Sensing Nanomaterials and Sensors
  • Ammonia Synthesis and Nitrogen Reduction
  • Minerals Flotation and Separation Techniques
  • Recycling and Waste Management Techniques
  • Metal and Thin Film Mechanics
  • Waste Management and Environmental Impact
  • Membrane Separation and Gas Transport
  • Nuclear materials and radiation effects
  • Advanced oxidation water treatment
  • High-Temperature Coating Behaviors
  • Advanced Combustion Engine Technologies

Instytut Chemii i Techniki Jądrowej
2016-2025

Warsaw University of Technology
2003-2021

International Atomic Energy Agency
2004-2005

Institute of Chemical Engineering
1979-1982

University of Tennessee at Knoxville
1978

Institute of Chemical Engineering
1978

10.1016/j.nimb.2005.03.247 article EN Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms 2005-05-24

Abstract The viscosity coefficients η1, η2 and η3 of 4-n-pentyl-4′-cyanobiphenyl (5CB), 4-n-octyl-4′-cyanobiphenyl (8 CB), 4-n-pentyloxy-4′-cyanobiphenyl (50 4-n-octyloxy-4′-cyanobiphenyl (8OCB) have been determined over their nematic phases. Using literature data for the temperature dependence order parameter S, given 5CB, 8CB, a relation between anisotropy S is discussed. Two models; first Imura-Okano model, second, assumping term (ηi/ηiso − 1) parameter, are analysed. For second...

10.1080/00268948608079552 article EN Molecular crystals and liquid crystals 1986-02-01

In this journal, a paper discussing reviewing progress in radiation technology was published twenty years ago. The has been cited over 100 times. Nowadays written review is following the structure adopted mentioned first publication. It critical appraisal of engineering sources, processing systems, application for sterilization, food irradiation, material modifications, and synthesis, environmental pollution control. achievements difficulties development technical research discipline,...

10.1016/j.radphyschem.2023.111233 article EN cc-by-nc-nd Radiation Physics and Chemistry 2023-08-18

Nuclear power plants have the lowest life-cycle greenhouse gas emissions intensity and produce more electricity with less land use compared to any other low-carbon-emission-based energy source. There is growing global interest in Generation IV reactors and, at same time, there great using small modular reactors. However, development of new introduces engineering chemical challenges critical advancing nuclear safety, efficiency, sustainability. For III+ reactors, water chemistry control...

10.3390/en18030622 article EN cc-by Energies 2025-01-29

10.1016/j.radphyschem.2004.05.040 article EN Radiation Physics and Chemistry 2004-07-08

Poland is actively exploring the application of nuclear power as a substitute for its present reliance on fossil fuels generation heat and electricity. This change reflects calculated attempt to reduce carbon emissions, diversify nation’s energy sources, enhance sustainability infrastructure. However, implementation technology faces many challenges, such radiation exposure, production radioactive waste, off-site effects accidents, high capital costs. Addressing nuclear-safety-related issues...

10.3390/en17051128 article EN cc-by Energies 2024-02-27

The increasing demand for critical metals essential renewable energy technologies necessitates efficient and environmentally sustainable extraction methods. Ilmenite (FeTiO3) similar ore deposits serve as abundant sources of primary elements while also incorporating a suite strategically significant trace elements, including REEs Hf, among others. Mixer–settler units are extensively utilized in metal purification processes. It is important to develop approaches tracking the metal’s process...

10.3390/min15030268 article EN Minerals 2025-03-04

The increasing demand for critical metals has intensified efforts to recover valuable from various sources, including secondary waste. Zn-Pb tailings contain both major and trace with economic environmental significance. This study examined the extraction of transition using inductively coupled plasma mass spectrometry (ICP-MS) at a constant time 30 min. Metal efficiencies were evaluated N-Methyl-N,N,N-trioctylammonium chloride (Aliquat 336), methyl salicylate (MS), di(2-ethylhexyl)...

10.3390/min15040357 article EN Minerals 2025-03-28

The removal of high inlet concentrations NOx (>1000 ppm) and SO2 ( >500 from diesel engine off-gases was studied using hybrid electron beam technology, i.e. combined with a wet scrubber method. Five different scrubbing solutions were examined: 3.5% NaCl solution (simulated sea water), NaOH solution, NaCl-NaClO2-phosphate buffer NaCl-NaClO2 NaCl-H2O2 solution. efficiency for all experiments 100% at 10.9 kGy irradiation dose varying between 501 ppm 723 ppm. increased increasing the absorbed...

10.1016/j.egyr.2020.04.008 article EN cc-by-nc-nd Energy Reports 2020-04-18

The extraction of useful minerals or geological materials from the Earth’s crust, most typically various sources, is crucial to a country’s development and progress. Mineral-rich countries use these resources transform their economies propel them toward long-term prosperity. There an urgent need for world increase mineral exploration efforts, improve recycling important metal-containing resources, extract using upgraded hydrometallurgical procedures with high recovery efficiency. This review...

10.3390/separations10020112 article EN cc-by Separations 2023-02-05

Abstract Pharmaceutically active compounds are the most widely produced and consumed consumer products that pose a substantial threat to environment living organisms owing their pharmacokinetics, side effects, contraindications. In this study, degradation of chloroquine (CQ), popular antimalarial recently proposed COVID-19 drug, was investigated under electron beam (EB) irradiation aqueous solutions. Both hydroxyl radical hydrated generated in radiolysis water contribute CQ solution. The...

10.2478/nuka-2024-0008 article EN Nukleonika 2024-06-01
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