para-Nitrophenol nano-biodegradation using Turbinaria triquetra-synthesized magnetic nanoparticles-coated novel bacteria: a sustainable approach for refinery wastewater treatment

Nassar, H. N.; Abd El Salam, H. M.; Al-Sadek, A. F.; Abu Amr, S. A.; El-Gendy, N. Sh.

doi:10.1007/s13762-024-05650-4

Cited by 2 publications

References 96 publications

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Rotor–stator hydrodynamic cavitation reactor for intensification of castor oil biodiesel production

Khater,

Aboelazayem,

Ismail

et al. 2024

Int. J. Environ. Sci. Technol.

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Nowadays, the intensification of the production of biodiesel from non-edible oil crops is mandatory to overcome petrol-fuel depletion and environmental pollution. For the first time, enhanced biodiesel production from castor oil via rotor–stator hydrodynamic cavitation has been studied in this work. Response surface methodology based on one-factor-at-a-time design of experiments was employed for modelling and optimizing the biodiesel yield and the decrease in feedstock viscosity, density, and total acid number (TAN). The predicted optimum parameters of 8.15:1 methanol:oil (M:O), 1499 rpm, 29.38 min, 48.43 °C, and a KOH catalyst concentration of 0.74 wt.% resulted in a 96% biodiesel yield with a concomitant decrease in viscosity, density, and TAN of approximately 95%, 5.12%, and 90.02%, respectively. According to the results of the breakthrough kinetic calculations, the reaction is pseudo-second order, with the activation energy, frequency factor, and reaction rate constant being 0.23 M−1 min−1, 18.77 kJ/mol, and 6.32 M−1 min−1, respectively. The fuel properties of the produced biodiesel and bio-petro-diesel blends were good, comparable to international standards and the marketed Egyptian petro-diesel.

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Rotor–stator hydrodynamic cavitation reactor for intensification of castor oil biodiesel production

Khater,

Aboelazayem,

Ismail

et al. 2024

Int. J. Environ. Sci. Technol.

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Marine Macroalgae: Sustainable Practices and Environmental Impact

El-Gendy,

Nassar

2024

Blue Bioeconomy

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The blue bioeconomy represents a sustainable pathway to utilizing marine resources for economic growth and environmental stewardship. Within the blue bioeconomy framework, this chapter aims to provide insights into leveraging marine macroalgae for sustainable economic development and innovation in the blue bioeconomy. It gives a brief overview of the types and diversity of macroalgae (seaweeds) besides their ecological and economic importance. It explores the wide range of bioactive compounds that marine macroalgae produce, including metabolites, polysaccharides, lipids, and pigments. It delves into the potential of marine macroalgae as cradles of value-added products and biofuels. Additionally, the chapter examines the importance of sustainable practices, environmental considerations, and challenges associated with commercialization.

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para-Nitrophenol nano-biodegradation using Turbinaria triquetra-synthesized magnetic nanoparticles-coated novel bacteria: a sustainable approach for refinery wastewater treatment

Cited by 2 publications

References 96 publications

Rotor–stator hydrodynamic cavitation reactor for intensification of castor oil biodiesel production

Rotor–stator hydrodynamic cavitation reactor for intensification of castor oil biodiesel production

Marine Macroalgae: Sustainable Practices and Environmental Impact

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