Mostrando 801 - 820 Resultados de 8,608 Para Buscar '"The Ashes"', tiempo de consulta: 0.46s Limitar resultados
  1. 801
    “…In this research, EMR, fly ash, and clinker were blended to make fly ash-based cementitious material (FAC) to investigate the effect of EMR on strength properties, hydration behavior, microstructure, and environmental performance of FAC. …”
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  2. 802
  3. 803
    “…Large amounts of industrial waste fly ash (FA) have caused serious pollution to the environment. …”
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  4. 804
  5. 805
    “…This study highlights the synthesis of a new thermal insulating geopolymer based on the alkaline activation of fly ashes. A porous geopolymer material can be prepared without the addition of a foaming agent, using high ratio solution/ashes (activating solutions used are water, sodium or potassium hydroxide). …”
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  6. 806
  7. 807
    “…A study on the influence of the inclusion of slag or fly ash and five types of superplasticizers on the fresh and hardened properties of alkali-activated cements is presented. …”
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  8. 808
  9. 809
    “…In this work, alkali-activated fly ash-derived foams were produced at room temperature by direct foaming using aluminum powder. …”
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  10. 810
    por Hwang, Sangchul, Yeon, Jung Heum
    Publicado 2022
    “…A mix proportion of off-spec fly ash (FA)-added, seawater-mixed pervious concrete (SMPC) was optimized for compressive strength and permeability and then the optimized SMPC was tested for the rate and extent of aqueous phosphorus removal. …”
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  11. 811
  12. 812
  13. 813
  14. 814
    “…The possibility of improving the properties of porous geopolymer materials based on ash and slag waste from thermal power plants by adjusting their chemical composition is considered. …”
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  15. 815
    “…For this purpose, we tested a commercially available fertilizer (surface-mined volcanic ash deposit Azomite) applied as a supplement to the normal fertilizer program of greenhouse-grown tomato plants. …”
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  16. 816
  17. 817
    por Kalak, Tomasz, Tachibana, Yu
    Publicado 2021
    “…Better results were reported for U ion recovery: adsorption efficiency 98.4% and 99.9%, adsorption capacity 21.3 mg g(−1) and 56.7 mg g(−1) for fly ash and slag, respectively. In conclusion, the conducted research revealed that CFBC fly ash and slag are promising low-cost adsorbents for the effective recovery of Li and U ions from seawater.…”
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  18. 818
    “…Notably, the synthesis of green material (ash, clay, foundry sand, and pumice)-based metal oxides could provide a synergistic effect of the superior adsorption capacity of supporting materials and the photocatalytic activity of metal oxides. …”
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  19. 819
    “…In this work, vanadium (V) was selectively extracted from fuel-oil fly ash using a leaching process utilizing organic acids extracted from lemon juice with assistance from ultrasound and H(2)O(2). …”
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  20. 820
    “…The removal of ammonium from urine was carried out using (i) the coal fly ash-derived sodalite, (ii) raw coal fly ash and (iii) a commercially available natural zeolite (clinoptilolite). …”
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