@article{202311.1654, doi = {10.20944/preprints202311.1654.v1}, url = {https://doi.org/10.20944/preprints202311.1654.v1}, year = 2023, month = {November}, publisher = {Preprints}, author = {Ali Toukan and Ahmed Jasim and Vineet Alexander and Hamza AlBazzaz and Muthanna Al-Dahhan}, title = {Experimental Investigation of Liquid Holdup in a Co-Current Gas Liquid Upflow Moving Packed Bed Reactor with Porous Catalyst Using Gamma Ray Densitometry}, journal = {Preprints} }