The adsorption kinetics of As(Ⅲ) and Cd(Ⅱ) conformed towards the pseudo-second-order kinetic model, while the adsorption isotherms well-followed the Langmuir model, with all the maximum adsorption capacity at 25℃ becoming 249.60 mg·g-1 for As(Ⅲ) and 156.50 mg·g-1 for Cd(Ⅱ), correspondingly. The composite exhibited a great adsorption overall performance on As(Ⅲ) and Cd(Ⅱ) when you look at the variety of pH 2-7 and pH 4-7, correspondingly. The competitive adsorption effect of co-existed anions on As(Ⅲ) showed a sequence of PO43->CO32->NO3-, and therefore of co-existed cations on Cd(Ⅱ) was Pb2+>Cu2+>K+. The adsorption capability of As(Ⅲ) and Cd(Ⅱ) diminished with all the rise in the focus of competing ions. The main adsorption device for As(Ⅲ) had been ion-exchange occurring into the interlayers of LDH, and that for Cd(Ⅱ) was coordination complexation occurring with the loaded FA, correspondingly. In conclusion, the prepared FA@FeMnNi-LDH composite material posed a good application possibility for adsorption removal of As(Ⅲ) and Cd(Ⅱ) in water and their particular poisoning control.Peracetic acid (PAA), as a fresh oxidant, has actually attracted increasing attention when you look at the treatment of refractory organic air pollution in sewage. In this study, the nano core-shell Co@NC catalyst ended up being prepared via etching and used to activate PAA to break down sulfamethoxazole (SMX) in sewage. The outcomes suggested that the degradation price of SMX achieved 98%, as well as its effect rate continual ended up being 0.80 min-1 under ideal problems (catalyst dosage=0.02 g·L-1, PAA concentration=0.12 mmol·L-1, pH=7, SMX concentration=10 μmol·L-1). With the upsurge in PAA focus and core-shell Co@NC dose, the degradation performance of SMX enhanced. The study discovered that the core-shell Co@NC/PAA system had the very best degradation influence on AMI-1 datasheet SMX under near-neutral conditions (pH 6.0-8.0), and both acidic and alkaline conditions were not favorable to SMX degradation. HCO3- and humic acid showed significant inhibition regarding the degradation of SMX, whereas Cl- revealed weak inhibition. In addition, through a free of charge radical quenching research and electron paramagnetic resonance (EPR) detection, acetoxy radical (CH3CO2CO3·) were the main active species for the degradation of organic toxins into the system. Transformation products (TPs) of SMX were examined by U-HPLC-Q-Exactive Orbitrap HRMS, and a potential degradation course of SMX ended up being suggested. At the same time, the catalyst recycling test showed that the nano core-shell Co@NC catalyst had good stability and reusability.A magnetic activated carbon adsorbent named NiFe2O4@AC ended up being synthesized by modifying activated carbon with NiFe2O4 and used for the adsorption of Cr(Ⅵ) ions from waste water. The influencing factors, adsorption kinetics, and adsorption isotherms of Cr(Ⅵ) adsorption because of the adsorbent were investigated. The results revealed that the treatment rate of Cr(Ⅵ) adsorption by NiFe2O4@AC reached 96.92%, and the adsorption amount reached 72.62 mg·g-1 during the adsorption conditions of heat (298 K), pH 2, Cr(Ⅵ) preliminary focus (150 mg·L-1), adsorbent dosage (0.1 g), and contact time (720 min). The experimental information were most readily useful described by the proposed secondary kinetics and Langmuir model, suggesting that the adsorption procedure was a monolayer chemisorption procedure. The increase in temperature favored the adsorption of Cr(Ⅵ) on NiFe2O4@AC due to the fact adsorption process had been a spontaneous, heat-absorbing response. The adsorption procedure of NiFe2O4@AC was primarily through complexation and electrostatic destination to adsorb Cr(Ⅵ); meanwhile, the used magnetic industry could possibly be divided through the option, which includes good application prospects.Per-and polyfluoroalkyl substances (PFASs) exist in area liquid, tap water, and even commercial normal water and pose a threat to human being wellness. In this study Cophylogenetic Signal , the event and change of 14 PFASs had been studied in huge drinking water treatment flowers (DWTPs) with Taihu Lake because the resource, as well as the outcomes indicated that a total of 10 PFASs were detected within the water examples, showing that PFAS had been commonly distributed in drinking water. The total focus of PFASs in raw liquid was 127.4 ng·L-1, with the greatest focus being that of pentadecafluorooctanoic acid (PFOA, 49.8 ng·L-1). Pre-ozone caused a reverse upsurge in the focus of PFASs, that may being as a result of the existence of precursors or conversion from quick to lengthy chains. PFASs weren’t effortlessly eliminated by standard therapy procedures, andozone-biological activated carbon (O3-BAC) had a dominant part when you look at the elimination of PFASs (20.74%) from DWTPs. O3-BAC, the primary treatment process for DWTPs, contained high concentrations of PFASs in the backwash water with similar circulation qualities into the raw liquid. Using a pilot plant, five common filter backwash water treatment procedures were compared, and also the results revealed that GAC-ultrafiltration could adsorb and keep a certain amount of PFASs while ensuring a higher elimination rate of turbidity (99.08%). The 3D-EEM analysis suggested that GAC-ultrafiltration may possibly also remove almost all of the fluorescent micro-pollutants, and for raw water containing high levels of PFASs DWTPs, it really is useful to use it as a filter backwash liquid genetic regulation reuse therapy process.In order to learn the substance characteristics and ion source of groundwater and further provide the medical development and handling of water resources in Shunping County. An overall total of 33 groups of karst water and 12 sets of pore water samples had been collected methodically in Shunping County, additionally the hydrochemical types, structure characteristics, and main controlling aspects of numerous kinds of groundwater were reviewed by making use of Gibbs diagram, ion proportion connection, and multivariate analytical analysis practices, therefore the contribution rates of numerous sources to groundwater solutes were assessed.