Evaluating organic waste sources (spent coffee ground) as metal-free catalyst for hydrogen generation by the methanolysis of sodium borohydride

M Kaya - International journal of hydrogen energy, 2020 - Elsevier
… In this study, organic waste sources (spent coffee ground (SCG)) is used as metal-free …
based on the methanolysis of sodium borohydride solution. Spent coffee ground (SCG) is used as …

Hydrogen production from sodium borohydride by ZnCl2 treated defatted spent coffee ground catalyst

M Bekirogullari - International journal of hydrogen energy, 2020 - Elsevier
coffee ground catalyst (DSCG) was developed and applied successfully for hydrogen
production from sodium borohydride … reaction of sodium borohydride was comprehensively …

Production of metal-free catalyst from defatted spent coffee ground for hydrogen generation by sodium borohyride methanolysis

M Kaya - International journal of hydrogen energy, 2020 - Elsevier
… In the present study, defatted spent coffee ground (DSCG) treated with different acids was …
of sodium borohydride. To produce hydrogen by the sodium borohydride methanolysis (NaBH …

Hydrogen generation from methanolysis of sodium borohydride using waste coffee oil modified zinc oxide nanoparticles and their photocatalytic activities

Y Wu, EE Altuner, RNEH Tiri, M Bekmezci… - International Journal of …, 2023 - Elsevier
… The use of chemical hydrides and metal boron hydrides (potassium borohydride (KBH 4 ,
sodium borohydride (NaBH 4 ), etc.) for hydrogen production is a highly preferred application […

Defatted spent coffee grounds-supported cobalt catalyst as a promising supercapacitor electrode for hydrogen production and energy storage

DE Karakaş, M Akdemir, MR Atelge, M Kaya… - Clean Technologies and …, 2021 - Springer
… times, was examined by using defatted spent coffee grounds (DSCG) as organic waste to …
in 10 mL of a methanol solution containing 0.25 g sodium borohydride (NaBH 4 ) at 30 C. The …

Ruthenium modified defatted spent coffee catalysts for supercapacitor and methanolysis application

M Akdemir, T Avci Hansu, A Caglar, M Kaya… - Energy …, 2021 - Wiley Online Library
coffee waste and hydrogen production experiments are performed by the methanolysis of
sodium borohydride … to synthesize a catalyst using defatted spent coffee ground (DSCG). It is to …

Superhydrophilic three-dimensional porous spent coffee ground reduced palladium nanoparticles for efficient catalytic reduction

H Chan, C Shi, Z Wu, S Sun, S Zhang, Z Yu… - Journal of Colloid and …, 2022 - Elsevier
… to turn spent coffee ground (SCG) into a multifunctional palladium-loaded catalyst for water
treatment instead of going into landfill as solid waste. Bleached delignified coffee ground (D-…

Synergistic effect of Pd-Co3O4 nanoparticles supported on coffee-derived sulfur, nitrogen-codoped hierarchical porous carbon for efficient methanolysis of NaBH4

S Prabu, KY Chiang - Journal of Alloys and Compounds, 2023 - Elsevier
… Waste coffee grounds were collected from coffee leftovers after boiling by a coffee … The
sodium borohydride methanolysis reaction kinetics were considerably faster than the …

Coffee ground derived biochar embedded Ov-NiCoO2 nanoparticles for efficiently catalyzing a boron‑hydrogen bond break

J Li, W Sun, P Gao, J An, X Li, W Sun - Science of The Total Environment, 2021 - Elsevier
… Efficiently catalyzing a boron‑hydrogen bond break played a significant role in some
specific reactions such as the sodium borohydride (NaBH 4 ) reduction reaction and hydrogen …

Biosynthesis of silver nanoparticles as catalyst by spent coffee ground/recycled poly (ethylene terephthalate) composites

D Mangindaan, GY Lin, CJ Kuo, HW Chien - Food and Bioproducts …, 2020 - Elsevier
… Spent coffee grounds as green biosynthesis agent … sodium borohydride (NaBH 4 , >98%)
were received from Acros Organics. Nitric acid (HNO 3 ) was received from Fluka, while sodium