[1] Vannarath A., Thalla A. K. Evaluation, Ranking, and Selection of Pretreatment Methods for the Conversion of Biomass to Biogas Using Multi-criteria Decision-making Approach. Environment Systems and Decisions 2020:40:510–525. https://doi.org/10.1007/s10669-019-09749-910.1007/s10669-019-09749-9
[4] Ugwu S. N., Enweremadu C. C. Enhancement of Biogas Production Process from Biomass Wastes Using Iron-based Additives: Types, Impacts, and Implications. Energy Sources, Part A: Recovery, Utilization, and Environmental Effects 2020. https://doi.org/10.1080/15567036.2020.178867510.1080/15567036.2020.1788675
[5] Ghaleb A. A. S., et al. Response Surface Methodology to Optimize Methane Production from Mesophilic Anaerobic Co-Digestion of Oily-Biological Sludge and Sugarcane Bagasse. Sustainability 2020:12(5):2116. https://doi.org/10.3390/su1205211610.3390/su12052116
[6] Siami S., et al. Process Optimization and Effect of Thermal, Alkaline, H2O2 Oxidation and Combination Pretreatment of Sewage Sludge on Solubilization and Anaerobic Digestion. BMC Biotechnology 2020:20:1–12. https://doi.org/10.1186/s12896-020-00614-110.1186/s12896-020-00614-1
[12] Pastare L., Romagnoli F. Life Cycle Cost Analysis of Biogas Production from Cerathophyllum demersum, Fucus vesiculosus and Ulva intestinalis in Latvian Conditions. Environmental and Climate Technologies 2019:23(2):258–271. https://doi.org/10.2478/rtuect-2019-006710.2478/rtuect-2019-0067
[14] Chen R., Konishi Y., Nomura T. Enhancement of Methane Production by Methanosarcina barkeri Using Fe3O4 Nanoparticles as Iron Sustained Release Agent. Advanced Powder Technology 2018:29(10):2429–2433. https://doi.org/10.1016/j.apt.2018.06.02210.1016/j.apt.2018.06.022
[17] Zhang Z., et al. Application of Iron Oxide (Fe3O4) Nanoparticles During the Two-stage Anaerobic Digestion with Waste Sludge: Impact on the Biogas Production and the Substrate Metabolism. Renewable Energy 2020:146:2724–2735. https://doi.org/10.1016/j.renene.2019.08.07810.1016/j.renene.2019.08.078
[19] Zhang W., Zhang L., Li A. Enhanced Anaerobic Digestion of Food Waste by Trace Metal Elements Supplementation and Reduced Metals Dosage by Green Chelating Agent [S, S]-EDDS via Improving Metals Bioavailability. Water Research 2015:84:266–277. https://doi.org/10.1016/j.watres.2015.07.01010.1016/j.watres.2015.07.010
[25] Ghandi P., et al. Multicriteria Decision Model and Thermal Pretreatment of Hotel Food Waste for Robust Output to Biogas: Case Study from City of Jaipur, India. BioMed Research International 2018:9416249. https://doi.org/10.1155/2018/941624910.1155/2018/9416249
[31] Ambuchi J. J., et al. Hematite and Multi-walled Carbon Nanotubes Stimulate a Faster Syntrophic Pathway during Methanogenic Beet Sugar Industrial Wastewater Degradation. Applied Microbiology and Biotechnology 2018:102:7147–7158. https://doi.org/10.1007/s00253-018-9100-810.1007/s00253-018-9100-8
[33] Wang M., Zhao Z., Zhang Y. Sustainable Strategy for Enhancing Anaerobic Digestion of Waste Activated Sludge: Driving Dissimilatory Iron Reduction with Fenton Sludge. ACS Sustainable Chemical Engineering 2018:6:222-02230. https://doi.org/10.1021/acssuschemeng.7b0363710.1021/acssuschemeng.7b03637
[34] Suanon F., et al. Application of Nanoscale Zero Valent Iron and Iron Powder During Sludge Anaerobic Digestion: Impact on Methane Yield and Pharmaceutical and Personal Care Products Degradation. Journal of Hazardous Materials 2017:321:47–53. https://doi.org/10.1016/j.jhazmat.2016.08.07610.1016/j.jhazmat.2016.08.076
[35] Amen T. W., et al. Biochemical Methane Potential Enhancement of Domestic Sludge Digestion by Adding Pristine Iron Nanoparticles and Iron Nanoparticles-coated Zeolite Compositions. Journal of Environmental Chemical Engineering 2017:5(5):5002–5013. https://doi.org/10.1016/j.jece.2017.09.03010.1016/j.jece.2017.09.030