Novel nano-ferromagnetic activated graphene adsorbent extracted from waste for dye decolonization

K Mensah, H Mahmoud, M Fujii, H Shokry - Journal of Water Process …, 2022 - Elsevier
Polyethylene terephthalate (PET) waste was converted into graphene by pyrolysis, and the
synthesized graphene (SG) was modified into activated graphene (AG) by potassium …

[HTML][HTML] Dye removal using novel adsorbents synthesized from plastic waste and eggshell: mechanism, isotherms, kinetics, thermodynamics, regeneration, and water …

K Mensah, H Mahmoud, M Fujii, M Samy… - Biomass Conversion and …, 2024 - Springer
High-density polyethylene (HDPE) waste and chicken eggshell were used to synthesize
three novel adsorbents, namely mesoporous graphene (MG), nano-eggshell modified …

[HTML][HTML] Rapid adsorption of sulfamethazine on mesoporous graphene produced from plastic waste: Optimization, mechanism, isotherms, kinetics, and …

K Mensah, M Samy, H Mahmoud, M Fujii… - International Journal of …, 2023 - Springer
Sulfonamide antibiotics like sulfamethazine (SMZ) can threaten aquatic and terrestrial life
even in small concentrations (≤ 1 mg/L); hence, their removal from wastewater is …

Assessing heavy metal contamination and ecological risk of urban topsoils in Tarkwa, Ghana

LB Osei, S Fosu, SA Ndur, SY Nyarko - Environmental Monitoring and …, 2022 - Springer
This study aimed to assess the spatial distribution, contamination levels, pollution degree
and ecological risks of eight heavy metals (Cd, Cr, Co, Cu, Mn, Ni, Pb and Zn) in topsoils of …

Upcycling of polystyrene waste plastics to high value carbon by thermal decomposition

K Mensah, H Mahmoud, M Fujii… - Key Engineering …, 2021 - Trans Tech Publ
Globally, the adverse environmental impact of waste plastics is of increasing concern. Most
plastics are naturally non-degradable, thus imposes serious environmental threats …

Green Valorization of Waste Plastics to Graphene as an Upcycled Eco-Friendly Material for Advanced Gas Sensing

PO Amoh, M Elkady, M Nasr, H Shokry - Recycling, 2024 - mdpi.com
The valorization technique successfully transformed waste polyethylene terephthalate (PET)
into valuable carbon nanomaterial (CN)/graphene, while doped and undoped ZnO …

[HTML][HTML] Effect of eggshell/N,N-dimethylformamide (DMF) mixing ratios on the sonochemical production of CaCO3 nanoparticles

K Mensah, AM Abdelmageed, H Shokry - Journal of Engineering and …, 2022 - Springer
Bio-CaCO3 nanoparticles have several applications and have attracted significant attention
in current research. N, N-dimethylformamide (DMF) has been proven to be an effective non …

Assessing the Potential of Upcycling Waste Plastics into Mechanically Strong Water-Resistant Thermal Insulation Carbon Foam via Chemical Blowing Method and …

K Mensah, H Mahmoud, M Fujii… - Key Engineering …, 2022 - Trans Tech Publ
This work presents the recyclability of waste plastics into mechanically strong water-resistant
carbon foam by chemical blowing method and low-temperature carbonization. Waste …

Effect of Temperature on the Thermolysis of Waste Polyethylene Terephthalate (PET) and Its Application in Methylene Blue Removal

K Mensah, H Mahmoud, M Fujii, H Shokry - International Conference on …, 2022 - Springer
Polyethylene terephthalate (PET), a major plastic waste, was recycled into solid carbon by
thermal decomposition under autogenic pressure. PET was carbonized at 500–1000° C and …