Search Results - "Hafez, Hisham"

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  1. 1

    Hydrogen production from sugar beet juice using an integrated biohydrogen process of dark fermentation and microbial electrolysis cell by Dhar, Bipro Ranjan, Elbeshbishy, Elsayed, Hafez, Hisham, Lee, Hyung-Sool

    Published in Bioresource technology (01-12-2015)
    “…[Display omitted] •Integrated dark fermentation and microbial electrolysis cell was evaluated.•Hydrogen yield of 3.2molH2/molhexoseadded was achieved in dark…”
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    Journal Article
  2. 2

    The impact of furfural concentrations and substrate-to-biomass ratios on biological hydrogen production from synthetic lignocellulosic hydrolysate using mesophilic anaerobic digester sludge by Akobi, Chinaza, Hafez, Hisham, Nakhla, George

    Published in Bioresource technology (01-12-2016)
    “…•Enhancements in biohydrogen production at furfural concentrations of up to1g/L.•Furfural threshold concentration of ⩽1g/L was established.•A food- to…”
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    Journal Article
  3. 3

    Single and combined effect of various pretreatment methods for biohydrogen production from food waste by Elbeshbishy, Elsayed, Hafez, Hisham, Dhar, Bipro Ranjan, Nakhla, George

    Published in International journal of hydrogen energy (01-08-2011)
    “…Four individual pretreatment methods: ultrasonication, heat, acid, and base and three combined pretreatment methods comprising ultrasonication with heat (UH),…”
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    Journal Article Conference Proceeding
  4. 4
  5. 5

    Identifying the risk factors affecting the overall cost risk in residential projects at the early stage by Mohamed Badawy, Fahad Alqahtani, Hisham Hafez

    Published in Ain Shams Engineering Journal (01-03-2022)
    “…Many previous studies have developed models for estimating the total cost, whether in the planning stage or the early stage of the project. However, models for…”
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    Journal Article
  6. 6

    Spatial congruency or discrepancy? Exploring the spatiotemporal dynamics of built-up expansion patterns and flood risk by Mabrouk, Mahmoud, Han, Haoying, Abdrabo, Karim I., Mahran, Mahran Gamal N., AbouKorin, Salma Antar A., Nasrallah, Sarah, Shen, Guoqiang, Fan, Chao, Yousry, Ahmed, Hafez, Hisham M.

    Published in The Science of the total environment (10-03-2024)
    “…Most coastal cities have been experiencing unprecedented urbanization-induced flood risk, climatic events, and haphazard anthropogenic activities, jeopardizing…”
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    Journal Article
  7. 7

    Enhancing the Hardened Properties of Recycled Concrete (RC) through Synergistic Incorporation of Fiber Reinforcement and Silica Fume by Ali, Babar, Ahmed, Hawreen, Ali Qureshi, Liaqat, Kurda, Rawaz, Hafez, Hisham, Mohammed, Hussein, Raza, Ali

    Published in Materials (16-09-2020)
    “…Portland cement concrete is fragile in tension and it has numerous negative impacts on the environment. To deal with these issues, both fiber reinforcement and…”
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    Journal Article
  8. 8

    Semen parameters and hormonal profile in obese fertile and infertile males by Hofny, Eman R.M., M.D, Ali, Mohamed E., M.D, Abdel-Hafez, Hisham Z., M.D, Kamal, Emad El-Dien, M.D, Mohamed, Essam Eldien, M.D, Abd El-Azeem, Hanan G., M.D, Mostafa, Taymour, M.D

    Published in Fertility and sterility (01-07-2010)
    “…Objective To study the changes in semen parameters, gonadotropic and sex hormones, and serum leptin in obese fertile and infertile oligozoospermic men. Design…”
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    Journal Article
  9. 9

    A Systematic Review of the Discrepancies in Life Cycle Assessments of Green Concrete by Hafez, Hisham, Kurda, Rawaz, Cheung, Wai Ming, Nagaratnam, Brabha

    Published in Applied sciences (01-11-2019)
    “…It is challenging to measure the environmental impact of concrete with the absence of a consensus on a standardized methodology for life cycle assessment…”
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    Journal Article
  10. 10

    Comparative assessment of single-stage and two-stage anaerobic digestion for the treatment of thin stillage by Nasr, Noha, Elbeshbishy, Elsayed, Hafez, Hisham, Nakhla, George, El Naggar, M Hesham

    Published in Bioresource technology (01-05-2012)
    “…A comparative evaluation of single-stage and two-stage anaerobic digestion processes for biomethane and biohydrogen production using thin stillage was…”
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    Journal Article
  11. 11

    Hydrogen production and microbial kinetics of Clostridium termitidis in mono-culture and co-culture with Clostridium beijerinckii on cellulose by Gomez-Flores, Maritza, Nakhla, George, Hafez, Hisham

    Published in AMB Express (20-04-2017)
    “…Cellulose utilization by hydrogen producers remains an issue due to the low hydrogen yields reported and the pretreatment of cellulose prior to fermentation…”
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    Journal Article
  12. 12

    Parametric study on the decarbonization potential of structural system and concrete mix design choices for mid-rise concrete buildings by Hafez, Hisham, Bajić, Petar, Aidarov, Stanislav, Malija, Xhemsi, Drewniok, Michal, Purnell, Phil, Tošić, Nikola

    Published in Materials and structures (01-05-2024)
    “…Mid-rise reinforced concrete buildings are projected to continue being the predominant typology for urban development. Thus, reducing the carbon footprint of…”
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    Journal Article
  13. 13

    Application of artificial neural networks for modeling of biohydrogen production by Nasr, Noha, Hafez, Hisham, El Naggar, M. Hesham, Nakhla, George

    Published in International journal of hydrogen energy (19-03-2013)
    “…In this study, an artificial neural network (ANN) model was developed to estimate the hydrogen production profile with time in batch studies. A back…”
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    Journal Article
  14. 14

    Effect of organic loading on a novel hydrogen bioreactor by Hafez, Hisham, Nakhla, George, El. Naggar, M. Hesham, Elbeshbishy, Elsayed, Baghchehsaraee, Bita

    “…This study investigated the impact of six organic loading rates (OLR) ranging from 6.5 gCOD/L-d to 206 gCOD/L-d on the performance of a novel integrated…”
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    Journal Article
  15. 15

    Effect of Hydrothermal Pretreatment on Volatile Fatty Acids Production from Thickened Waste Activated Sludge by Kakar, Farokh laqa, Koupaie, Ehssan Hosseini, Razavi, Ahmed Shabir, Hafez, Hisham, Elbeshbishy, Elsayed

    Published in Bioenergy research (01-06-2020)
    “…Investigating the impact of hydrothermal pretreatment (HTP) on organic solubilization and anaerobic acidification of thickened waste activated sludge (TWAS)…”
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    Journal Article
  16. 16

    Viability of ultrasonication of food waste for hydrogen production by Elbeshbishy, Elsayed, Hafez, Hisham, Nakhla, George

    Published in International journal of hydrogen energy (01-02-2012)
    “…Batch anaerobic studies were conducted to study the effect of ultrasonication as a pre-treatment method for pulp waste prior to anaerobic hydrogen production…”
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    Journal Article Conference Proceeding
  17. 17

    A Critical Review on the Influence of Fine Recycled Aggregates on Technical Performance, Environmental Impact and Cost of Concrete by Hafez, Hisham, Kurda, Reben, Kurda, Rawaz, Al-Hadad, Botan, Mustafa, Rasheed, Ali, Barham

    Published in Applied sciences (01-02-2020)
    “…The aim of this critical review is to show the applicability of recycled fine aggregates (RFA) in concrete regarding technical performance, environmental…”
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    Journal Article
  18. 18

    Co-fermentation of glucose, starch, and cellulose for mesophilic biohydrogen production by GUPTA, Medhavi, VELAYUTHAM, Preethi, ELBESHBISHY, Elsayed, HAFEZ, Hisham, KHAFIPOUR, Ehsan, DERAKHSHANI, Hooman, HESHAM EL NAGGAR, M, LEVIN, David B, NAKHLA, George

    Published in International journal of hydrogen energy (12-12-2014)
    “…The aim of this study was to assess the synergistic effects of co-fermentation of glucose, starch, and cellulose using anaerobic digester sludge (ADS) on the…”
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    Journal Article
  19. 19

    Impact of ultrasonication of hog manure on anaerobic digestability by Elbeshbishy, Elsayed, Aldin, Saad, Hafez, Hisham, Nakhla, George, Ray, Madhumita

    Published in Ultrasonics sonochemistry (2011)
    “…The efficiency of ultrasonication as a pretreatment method for hog manure prior to anaerobic digestion is evaluated at specific energies of 250–30,000 kJ/kgTS…”
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    Journal Article
  20. 20

    A Resource-Bound Critical Analysis of the Decarbonisation Roadmaps for the UK Foundation Industries by 2050 by Hisham Hafez, Michal P. Drewniok, Anne P. M. Velenturf, Phil Purnell

    Published in Environments (Basel, Switzerland) (01-07-2024)
    “…The foundation industries in the UK were responsible for emitting 42 Mt CO2eq in 2020, which is approximately 10% of the yearly territorial greenhouse gas…”
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    Journal Article