Data description: TIFF and XLSX data from original research. Precisely, there are eight final, complex Figures and four Tables below: Fig. 1. Schematic representation of the experimental setups used biogas production via anerobic digestion of FW (top); catalytic dry reforming of real and model gas mixtures (bottom) Fig. 2. Composition of biogas before (a and b) and after (c and d) H2S removal Fig. 3. H2-TPR profiles of the catalysts employed Fig. 4. XRD patterns of all catalysts (with NiO phase marked) along with SEM-EDS mapping Fig. 5. Performnace of all catalysts during the screening tests perfomed at different temperatures on model and real biogas mixtures using the GHSV of 12,000 mL.h-1.g-1catalyst Fig. 6. CO2 and CH4 conversion (a and b respectively) at 750 °C with GHSV of 36,000 mL.h-1.g-1catalyst, syngas yield (c), H2 CO ratio (d), TGA of spent catalysts (e) and rate of coke formation (f) Fig. 7. STEM-HAADF images and relative distributions of the metal particles after reaction .for 10Ni-0.5Rh-MgAl2O4 (a), 10Ni-0.5Cu-MgAl2O4 (b), 10Ni-MgAl-Silicate (c) and 10Ni-Al2O3 (d) Fig. 8. Stability test of the catalyst 10Ni-0.5Rh-MgAl2O4 CO2 and CH4 conversion and H2 CO (top); and TGA of the spent catalyst and the rate of coke formation (bottom) Fig. 2. Composition of biogas before (a and b) and after (c and d) H2S removal.xlsx Fig. 3. H2-TPR profiles of the catalysts employed.xlsx Fig. 4. XRD patterns of all catalysts (with NiO phase marked) along with SEM-EDS mapping.xlsx Fig. 5. Performnace of all catalysts during the screening tests perfomed at different temperatures on model and real biogas mixtures using the GHSV of 12,000 mL.h-1.g-1catalyst. xlsx Fig. 6. CO2 and CH4 conversion (a and b respectively) at 750 °C with GHSV of 36,000 mL.h-1.g-1catalyst, syngas yield (c), H2 CO ratio (d), TGA of spent catalysts (e) and rate of coke formation (f).xlsx Fig. 8. Stability test of the catalyst 10Ni-0.5Rh-MgAl2O4 CO2 and CH4 conversion and H2 CO (top); and TGA of the spent catalyst and the rate of coke formation (bottom).xlsx Table 1. Ovrview of literature studies on biogas production through anaerobic digestion of food waste (FW) Table 2. Overview of literature studies on catalytic dry reforming of biogas for syngas production Table 3. Lists of catalytic materials synthesised Table 4. Properties of the catalysts employed for the present study Funding: The ESF financially supported this work in the „Waste as an alternative source of energy“ project, reg. nr. CZ.02.01.01/00/23_021/0008590 within the Programme Johannes Amos Comenius and supported by the European Union under the REFRESH – Research Excellence For Region Sustainability and High-tech Industries, CZ.10.03.01/00/22_003/0000048 via the Operational Programme Just Transformation. Experimental results were accomplished by using Large Research Infrastructure ENREGAT supported by the Ministry of Education, Youth and Sports of the Czech Republic, under project No. LM2023056.