Freshwater contamination remains a challenging issue for the sustainable management of wetland ecosystems. This study aims to evaluate water quality Jhilmila Lake, Kanchanpur, Nepal by adopting standard test procedures, geochemical indices, and multivariate statistical analysis. The surface samples were collected during postmonsoon season in 2018 assess hydrochemical parameters such as pH, elec...

Hydrochemical assessment of the freshwater lakes provides important insights into sources dissolved ions, geochemical processes, and anthropogenic activities taking place in environment. This study focuses on hydrochemistry water quality Kupinde Lake, Karnali Province, Nepal. Surface samples were collected from 24 different locations lake October 2021 analyzed for 18 physico-chemical parameters...

Abstract. A comprehensive European dataset on monthly atmospheric NH3, acid gases (HNO3, SO2, HCl), and aerosols (NH4+, NO3-, SO42-, Cl?, Na+, Ca2+, Mg2+) is presented analysed. Speciated measurements were made with a low-volume denuder filter pack method (DEnuder for Long-Term Atmospheric sampling, DELTA®) as part of the EU NitroEurope (NEU) integrated project. Altogether, there 64 sites in 20...

The oxidative degradation of Procion Red MX-5B by solar Fenton’s has been investigated using sunlight as irradiation source in presence of hydrogen peroxide and Fe2+. Maximum decolorization (99%) and COD removal (97%) for MX-5B was obtained at H2O2 dose of 16.6 mM and at 30 min irradiation time. Fe2+ dose of 0.36 mM was optimum for Procion Red MX-5B degradation. The solar degradation mechanism ...

Despite the severity of health impacts caused by particulate matter with an aerodynamic diameter ≤ 1.0 μm (PM1.0), corresponding data have been poorly documented compared to that 2.5 (PM2.5) or 10 (PM10). In this study, characteristics PM1.0 and its chemical species (black carbon [BC], SO42-, NO3-, NH4+, 16 metals) were investigated in roadside area Daejeon. The mean concentration was 19.9 ± 5....

Fine particulate matter (PM2.5) pollution causes serious health disorders, because PM2.5 becomes deposited in the tracheobronchial and alveoli regions. In extrathoracic region, there are more deposits of coarse than fine particulates. As adverse issues caused by particulates have not been well investigated, this study examined cytotoxicity water-soluble extracts both (0.05-3 µm, PM0.05-3) (> 3 ...

Rainwater is an essential pathway to remove fine particulate matter and dissolved atmospheric pollutants (e.g., SO2, HNO3, NH3). Acid rain (pH < 5.6) has been a severe environmental issue in China since the 1970s, adversely impacting ecosystem health. This study focuses on influence of anthropogenically induced anions (SO42– NO3–) alkaline cations (Ca2+ NH4+) acid Chinese cities. In this...

In order to increase the reuse of wastes and residues, as required by Waste Framework Directive, potential use waste, residue natural minerals low-cost permeable reactive barrier (PRB) materials was investigated. The performance a kitchen waste compost, sepiolite steel slag compared with that volcanic slag, pumice activated carbon in removing specific contaminants from landfill leachate. experi...

Understanding precipitation chemistry is highlighted as important worldwide due to its close relationship with air quality and impacts on ecosystems. However, the chemical composition of limited in Tibet, where alpine ecosystems are sensitive global change. Here, rainwater samples were collected Nyingchi city from January 2021 December 2021, a total 44 obtained. Major ions (NO3−, NH4+, Cl−, SO4...

By analyzing the mass concentrations and compositions of atmospheric PM2.5 in Shaoxing from December 2019 to February 2020, characteristics carbon-containing components, water-soluble ions metal elements were obtained. NO3−, OC, SO42− NH4+ main components winter. The OC/EC ratio was 3.27, which proved existence SOC. proportion SOC OC 47.3%, showed that secondary sources made a significant contr...