In the removal with the cyanotoxin, achieving as much as 80 pollutant conversion under optimized circumstances. Additionally, the catalytic program showed high stability with restricted iron leaching [8]. In the case of goethite, Lorenzo et al. (2021) proved that this green catalyst intensified by VIS monochromatic LED light (470 nm) was helpful for the CWPO of chlorinated organic pollutants at neutral pHs [6]. The light lamp promotes the reduction of Fe(III) in the goethite surface to Fe(II), yielding hydroxyl radicals faster than Fe(III). Costamagna et al. (2020) performed a valuable study focused on the environmental impacts generated by the heterogeneous photoFenton processes (CWPOlight) working with bisphenol A as a target contaminant [3]. A lifecycle assessment (LCA) methodology was applied to recognize the hotspots of using magnetite particles covered with humic acids (HAs) as a green heterogeneous photoFenton catalyst for water remediation. The introduction of HAs improved the efficacy and stability from the catalyst withoutCatalysts 2021, 11, 1043. https://doi.org/10.3390/catalhttps://www.mdpi.com/journal/catalystsCatalysts 2021, 11,two ofsignificant environmental impacts, whereas functioning at circumneutral pH would successfully limit the environmental impacts. The application of mineral Febased natural components (ilmenite, pyrite, GLYX-13 Neuronal Signaling chromite and chalcopyrite) as effective and obtainable catalysts for the degradation of refractory contaminants, for example the antibiotic cefazolin, by heterogeneous electroFenton, was demonstrated [4]. The stability and reusability experiments showed a negligible reduce inside the catalytic activity of chalcopyrite just after 5 consecutive runs. Also to financial evaluation, the empirical assessment confirmed that ironbased mineral catalysts may be an acceptable and costeffective option catalyst for this procedure as a result of higher catalytic activity, availability, ecofriendly nature and low energy consumption, when compared with other synthesized catalysts. The usage of heterogeneous electroFenton as “Green” technologies for pharmaceutical Hematoporphyrin Protocol contaminants removal from aquatic environments was reviewed in detail [13]. The main challenges facing this approach revolve around enhancing overall performance, catalysts’ stability for longterm use, lifecycle evaluation considerations and costeffectiveness. The efficiency with the treatment drastically enhanced; however, ongoing study efforts have to have to provide financial viability at a bigger scale due to the high operating fees, primarily associated to energy consumption [13]. However, the remediation of soils contaminated with persistent organic pollutants by the chelatemodified Fenton course of action was reviewed by ChecaFernandez et al. (2021) [12]. This review delivers a basic overview with the application of organic and inorganic chelating agents to enhance the Fenton process for the remediation of soils polluted with all the most common organic contaminants, specifically to get a deep understanding in the activation mechanisms and influential components. The current shortcomings and research wants had been highlighted. Future analysis perspectives on the use of nontoxic and biodegradable chelating agents for the Fenton approach were supplied. The use of new or modified supplies in photocatalysis, which makes use of a renewable supply of power, is also remarkable. A promising nanocomposite (TiO2 doped with activated carbon and clinoptilolite) has been tested as a sustainable catalyst for the adsorptionphotocatalytic hybrid p.