95 The maximum sorption capacities of Pb were in the order of B700≈B500 71 mg/ggt;B300 ~ FS37 mg/ggt;H140 ~ H160 13 mg/ggt;H180 ~ H200 6 mg/g The adsorption capacities for P were relatively lower FS 47 mg/ggt;B300 38 mg/ggt;H140 27 mg/ggt;B700 37 mg/g≈B500 24 mg/g≈H160 23 mg/ggt;H180 16 mg/ggt;H200 14 mg/g This study provides an understanding of the sorption characteristics and mechanisms of FS and its carbonaceous products for common cationic, anionic and organic pollutants and elucidates new insights into the reuse of FS for pollutant removal to achieve the waste-to-resource concept and enhance water quality, soil health and food safetyMetal oxides play an essential role in the photocatalysis of contaminants and substantially increase in the environment by the engineering production However, whether emerging contaminants will be produced during photocatalysis of contaminants remains unclear Here, triclosan TCS photodegradation in metal oxides/silica suspensions and particles, simulated as the states of metal oxides in water and soil environments, were studied The photodegradation results confirmed that metal oxides exhibited a double-effect They promoted TCS photodegradation by generating reactive oxidizing species ROS in metal oxides/silica suspensions and inhibited the photodegradation by competing with TCS for irradiation in metal oxides/silica particles In this study, the critical discovery was the formation of emerging contaminants, environmentally persistent free radicals EPFRs, and EPFRs yields were promoted by metal oxides Al2O3, ZnO, TiO2 They were more stable in metal oxides than silica, and the half-lives ranged from 67 h to 909 d Although CuO did not increase EPFRs yields compared to silica, the half-lives of EPFRs were also longer In addition, this study found that EPFRs yields were dependent on the metal oxides concentrations Our results provided a new insight into the negative environmental impacts of metal oxides and improved our understanding of the formation and fate of EPFRs by metal oxides in soil and aquatic environmentsThe contamination of aquaculture products and effluents by contaminants of emerging concern CECs from the direct chemical use in aquaculture activities or surrounding industries is currently an issue of increasing concern as these CECs exert acute and chronic effects on living organisms CECs have been detected in aquaculture water, sediment, and culture species, and antibiotics, antifoulants, and disinfectants are the commonly detected groups Through accumulation, CECs can reside in the tissue of aquaculture products and eventually consumed by humans Currently, effluents containing CECs are discharged to the surrounding environment while producing sediments that eventually contaminate rivers as receiving bodies The rearing grow-out stages of aquaculture activities are issues regarding CECs-contamination in aquaculture covering water, sediment, and aquaculture products Proper regulations should be imposed on all aquaculturists to control chemical usage and ensure compliance to guidelines for appropriate effluent treatment Several techniques for treating aquaculture effluents contaminated by CECs have been explored, including adsorption, wetland construction, photocatalysis, filtration, sludge activation, and sedimentation The challenges imposed by CECs on aquaculture activities are discussed for the purpose of obtaining insights into current issues and providing future approaches for resolving associated problems Stakeholders, such as researchers focusing on environment and aquaculture, are expected to benefit from the presented results in this article In addition, the results may be useful in establishing aquaculture-related CECs regulations, assessing toxicity to living biota, and preventing pollutionNowadays, carbon-based nano-structured materials are widely preferred for composite coating as anti-corrosive reinforcement mainly due to its enhanced physical, chemical and mechanical properties Herein we develop highly efficient Graphitic carbon nitride-Silica-Titania gC3N4/SiO2/TiO2 ternary nanocomposite are synthesized and it is used as a nanofillers in the corrosive protection layer on the proposed metal specimen ie, mild steel specimen in an aggressive chloride environment Size, structural and morphological analysis were analysed for the confirmation of presence of particles gC3N4 is currently earning quite drastic attention, owing to its affordable cost compared to carbon nanotubes and other carbon-based materials, when gC3N4 incorporated with SiO2 and TiO2, the composite matrix greatly improves the mechanical strength of the coating mixture XRD, XPS, EDS analysis projects excellent formation and presence of the ternary nanocomposites The particles are well-dispersed in epoxy and organic resin and deposited on the mildsteel panels and it is examined using various surface and structural characterization techniques The obtained results are very encouraging and the ternary composite coatings can be recommended for real world applicationsNanotechnology is a research area that has experienced tremendous development given the enormous potential of nanoparticles NPs to influence almost all industries and conventional processes NPs have been extensively used in agriculture to improve plant physiology, production, and nutritional values of plant-based products The large surface area and small size are some of the desired attributes for NPs that can substantially ameliorate plants' physiological processes, thereby improving crop production Nevertheless, the results derived from such research have not always been positive as NPs have been shown, in some cases, to negatively affect plants due to their potentially toxic nature These toxic effects depend upon the size, concentration, nature, zeta potential, and shape of nanoparticles, as well as the used plant species The most common response of plants under NPs toxicity is the activation of antioxidant systems and the production of secondary metabolites The mitigation of such NPs-induced streslogy, etc That, in return, can assist to ensure agricultural sustainability Similarly, this may also help to pave the way to combat the drastic climate change and satisfy growing food demands for the ever-increasing world population  https//wwwselleckchemcom/products/ro-61-8048html  Further studies on molecular and genetic levels can certainly broaden the current understanding of NPs-plant interactions and devise the respective mitigation strategies for environmental safetyThe distribution of heavy metal concentrations and related human health risks were investigated for Shimabara City, Nagasaki Prefecture The purpose was to clarify the potential for heavy metal contamination in an area already known to be affected by nitrate pollution A total of 188 soil samples was collected at 47 sites The heavy metal content of the soil was measured in laboratory using an X-ray analyzer The highest contents of heavy metals exceeded common background concentration in Japanese soils The highest concentrations of Cu and Zn appear to be related to application of livestock waste in agriculture Principal component and cluster analyses were performed to classify the sampling sites based on soil content of heavy metals Three principal components PCs were extracted with the first PC explaining crustal constituents, the second explaining application of livestock waste, and the third explaining other types of anthropogenic pollutants The cluster analysis resulted in 5 groups regarding the sampling locations In total, 44 of sampling locations belonged to Group 1 and 46 to Group 2, distributed over the agricultural land in the northern part of the city and the urban area in the southern part of the city, respectively There is a potential temporal health risk for the Pb content at specific locations in the areaThe taste and odor Tamp;O problem represented by 2-methylisoborneol 2-MIB and geosmin GSM in water is the multiple undesirable substances in the drinking water and the aquatic industry In this study, the UV-assisted photoelectrochemical, a prospective advanced oxidation process AOP, was evaluated for the degradation of 2-MIB and GSM In contrast to UV photochemical and electrochemical, the degradation ratio of GSM 2-MIB increase to 96 95 in 25 min The removal ratio and rate depended on reaction time, electrolyte concentration, current density, and water quality parameters eg pH, HCO3-, natural organic matter, and tap water Among these parameters, a high concentration of electrolyte and acidic solutions could accelerate the rate and increase the ratio, while alkaline conditions and the impurity content had negative effects Furthermore, the significant role of various reactive species eg HO∙, Cl, ClO, etc were highlighted by scavenging experiments Complex free radicals exist was further verified by electron paramagnetic resonance spectroscopy EPR experiments The intermediates were identified and the possible degradation pathways during the UV-assisted photoelectrochemical reactions of both compounds were proposed Overall, the UV-assisted photoelectrochemical is beneficial to the removal of GSM and 2-MIB in waterBy-product ozone emission is one of the challenges for applying dielectric barrier discharge DBD technology for volatile organic compounds VOCs removal In this study, a DBD reactor followed by a wet scrubber WS containing a solution of metal ions Fe2+/Mn2+/Cu2+ was used to reuse ozone for further oxidation of typical VOC toluene link2 Compared with the degradation effect of the DBD reactor alone, DBD coupled WS/iron system not only improved the toluene removal efficiency but also significantly reduced the ozone emission The ozone removal efficiency reached as high as 98 in the DBD coupled WS/Fe2+ system Electron paramagnetic resonance EPR tests showed that ozone was converted into radicals such as hydroxyl radicals in Fe2+ and Cu2+ solution, which further oxidized toluene in WS/iron Quenching experiments showed that the contribution for toluene degradation by radicals was up to 75 and 62 in Fe2+ and Mn2+ reactor, respectively This study demonstrates that the DBD coupled WS system has the potential to be an environmentally friendly technology for gaseous VOCs removalHeavy metals contamination in agricultural soil is a major issue having drastic effects on plants and human health To solve this issue, we have formulated and tested a new approach of fusion of inorganic citric acid chelate and organic Bacillus sp amelioration methods for heavy metals The Bacillus sp was heavy metal tolerant and showed plant growth-promoting characteristics including phosphate solubilization, siderophore production, hydrogen cyanide production, indole acetic acid production, and 1-Aminocyclopropane-1-carboxylate deaminase production The analysis of data showed that plants receiving the combined application of citric acid CA chelate and Bacillus sp mitigated heavy metal toxicity They augmented the biomass production and amount of photosynthetic pigments in plant cells link3 They suppressed the negative effects of Cadmium Cd and Chromium Cr on plants' metabolic systems A considerable increase was also observed in the activity of enzymatic and non-enzymatic antioxidants which reduced the damaging effects of reactive oxygen species and maintained internal structures of cells