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Effect of modified steel slag on properties of rigid polyurethane foam

  • Dayou Lv , Qinghai Yu , Mingrui Shen , Yifan Wang EMAIL logo und Hongming Long EMAIL logo
Veröffentlicht/Copyright: 19. März 2025
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International Journal of Chemical Reactor Engineering
Aus der Zeitschrift International Journal of Chemical Reactor Engineering Band 23 Heft 1

Abstract

The resource utilization of steel slag (SS) represents a critical strategy for integrating environmental protection with sustainable industrial development. In this study, SS was employed as an inorganic filler to investigate the effects of SS particle size and proportion on rigid polyurethane foam (RPUF). Optimal RPUF/SS composites were achieved with an 800-mesh particle size and a 50 % addition ratio. Additionally, the impact of modified SS on the performance of RPUF was examined. The findings indicated a 17.2 % enhancement in thermal insulation properties and a substantial improvement in flame retardancy, evidenced by a 5.7-fold increase in char yield. Despite a reduction in compressive strength, the practical applicability of the composites was not compromised. The performance of the composites was found to be independent of the specific surface area of SS but was significantly influenced by the type of modifier employed (phosphoric acid, formic acid, and silane coupling agents KH550, KH560, KH570). The modification of SS with appropriate agents is essential for enhancing the performance of RPUF/SS composites and for realizing high-value resource utilization of SS in the polyurethane industry.

Keywords: surface modification; steel slag; rigid polyurethane foam; waste utilization
Corresponding authors: Yifan Wang, School of Metallurgical Engineering, Anhui University of Technology, Ma’anshan, Anhui 243032, China; and School of Materials Science and Engineering, Anhui University of Technology, Ma’anshan, Anhui 243032, China, E-mail: ; and Hongming Long, School of Metallurgical Engineering, Anhui University of Technology, Ma’anshan, Anhui 243032, China; and Key Laboratory of Metallurgical Emission Reduction & Resources Recycling (Anhui University of Technology), Ministry of Education, Ma’anshan, Anhui 243002, China, E-mail:

Funding source: the National Program for Supporting Postdoctoral Researchers of China

Award Identifier / Grant number: GZC20230016

Funding source: National Natural Science Foundation of China Regional Joint Key Project

Award Identifier / Grant number: U23A20605

  1. Research ethics: The local Institutional Review Board deemed the study exempt from review.

  2. Informed consent: Informed consent was obtained from all individuals included in this study, or their legal guardians or wards.

  3. Author contributions: All authors have accepted responsibility for the entire content of this manuscript and approved its submission.

  4. Use of Large Language Models, AI and Machine Learning Tools: None declared.

  5. Conflict of interests: The authors state no conflict of interest.

  6. Research funding: This work was supported by the National Key Research and Development Program of China (U23A20605) and the National Program for Supporting Postdoctoral Researchers of China (GZC20230016).

  7. Data availability: The raw data can be obtained on request from the corresponding author.

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Received: 2024-08-01
Accepted: 2024-12-10
Published Online: 2025-03-19

© 2024 Walter de Gruyter GmbH, Berlin/Boston

Artikel in diesem Heft

  1. Frontmatter
  2. Articles
  3. Effect of modified steel slag on properties of rigid polyurethane foam
  4. Numerical simulation of the effects of NH3 and H2 on the combustion characteristics of laminar premixed ethylene/air flames
  5. Performance, characterization, and application of synthesized pervaporation membranes for desalination using response surface methodology
  6. Corrosion analysis of stainless steel exposed to Karanja oil biodiesel: a comparative study with commercial diesel fuel, surface morphology analysis, and long-term immersion effects in alternative fuels
  7. Numerical study of catalytic converter geometries and their impact on exhaust back pressure and energy conversion in engine exhaust systems using parametric simulation: insights into non-equilibrium thermodynamics
  8. Optimization of stirred animal cell bioreactor based on CFD-PBM
  9. Exploring the synergistic mechanisms of alcohol-based biofuel blends for a greener future: a comparative study of propanol, ethanol, and butanol blends in reducing emissions and enhancing engine performance for sustainable transportation fuels
  10. Zinc precipitation from ammonia leaching solutions of electric arc furnace dust by acetic acid
  11. Numerical simulation and performance study of three-dimensional variable angle baffle micromixer
  12. Energy saving strategies for plate reactors in mega methanol plants: a CFD study
https://doi.org/10.1515/ijcre-2024-0160
Schlagwörter für diesen Artikel
surface modification; steel slag; rigid polyurethane foam; waste utilization

Artikel in diesem Heft

  1. Frontmatter
  2. Articles
  3. Effect of modified steel slag on properties of rigid polyurethane foam
  4. Numerical simulation of the effects of NH3 and H2 on the combustion characteristics of laminar premixed ethylene/air flames
  5. Performance, characterization, and application of synthesized pervaporation membranes for desalination using response surface methodology
  6. Corrosion analysis of stainless steel exposed to Karanja oil biodiesel: a comparative study with commercial diesel fuel, surface morphology analysis, and long-term immersion effects in alternative fuels
  7. Numerical study of catalytic converter geometries and their impact on exhaust back pressure and energy conversion in engine exhaust systems using parametric simulation: insights into non-equilibrium thermodynamics
  8. Optimization of stirred animal cell bioreactor based on CFD-PBM
  9. Exploring the synergistic mechanisms of alcohol-based biofuel blends for a greener future: a comparative study of propanol, ethanol, and butanol blends in reducing emissions and enhancing engine performance for sustainable transportation fuels
  10. Zinc precipitation from ammonia leaching solutions of electric arc furnace dust by acetic acid
  11. Numerical simulation and performance study of three-dimensional variable angle baffle micromixer
  12. Energy saving strategies for plate reactors in mega methanol plants: a CFD study
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