General
Fly ash, a pivotal byproduct of coal combustion in thermal power plants, has yet to be fully harnessed as an abundant resource for metallic elements resources. A comprehensive understanding of its composition is essential for the exploitation of potentially valuable metals. We research the...
Microplastics in the marine environment
This study aims to review the effects of microplastics (MPs) with and without adsorbed organic pollutants or heavy metals on marine animals and the associated risks. First, the sources, composition, migration, and distribution of MPs in the marine environment is presented. Second, the effects of the...
Water and wastewater reuse
This research assessed the performance of combining Sequential Batch Reactor (SBR) and phycoremediation method used for tanning effluent. The SBR system obtained high removal efficiencies with Chemical Oxygen Demand (COD) is reduced by 85%, Biological Oxygen Demand (BOD) is reduced by 80% as well as...
Water and Wastewater Treatment
To assess the efficacy of removing heavy metals such as Cu (II) and Ni (II) ions from aqueous solution, the adsorption behaviour of a nanocomposite powder comprising of reduced Graphene Oxide (rGO), bentonite clay, and ZnO was investigated. Various analytical techniques including Fourier transform...
Water Quality
This study focuses on the impact of solid waste on groundwater quality in the region of Ramayanpatti, Tirunelveli. Tirunelveli city generates 100 tonnes of solid waste in a day. Solid waste has organic matter, inorganic matter, and moisture content which leaches dissolved organic matter, and heavy...
Water Quality
As the groundwater pollution is increasing, it is crucial to assess groundwater quality and characterize hydrogeochemistry accurately for long term water supply. In this study groundwater samples were collected from 120 locations from Bahawalpur district and analyzed for electrical conductivity (EC)...
Marine environment and coastal management
Mangrove ecosystem contamination, especially in the Red Sea region, has caused major concerns on a worldwide scale. The heavy metal accumulation typical of a mangrove species, Avicenna marina L. ( A. marina ) leaves and soluble salts in sediments have not been studied on the Red Sea coast of Sudan...
General
The present study obtained the Bio Earth sample from six locations, represented as LS-(1-6). The collected bio earth sample was blended with an adult earthworm ( Eisenia fetida). The experimental investigation was conducted for 108 days, and earthworms showed maximum biomass and population...
Water and Wastewater Treatment
Phosphorus is a non-metallic element essential for all forms of life, and the issue of phosphorus resource scarcity is increasingly gaining attention. Understanding the content and forms of phosphorus in sludge, as well as the technologies for phosphorus recovery from sludge, is of great importance...
Soil and groundwater contamination and remediation
Sediment is a source and sink of heavy metal contaminants in wetlands. In this study, sulfate-reducing bacteria (SRB) were used for the bioremediation of sediments from wetlands affected by acid mine drainage. The sediments were inoculated with SRB to study their influence on both the solution and...
Water and Wastewater Treatment
Hydrothermal liquefaction (HTL) is involved in concurrently treating both sewage water and generating biofuels. It involves the analysis of various operating parameters, such as pressure, catalyst temperature, and reaction time, to determine the productivity and physiochemical properties of the...
Life cycle analysis (LCA)
Nanomaterials, known for their exceptional physicochemical properties, are used in electronics, skincare, catalysts, agriculture, and water treatment. Their small size and large surface area enable high adsorption capacities and rapid adsorption rates, effectively removing organic and inorganic...
Circular economy
Critical elements are essential in a variety of high-tech applications. In the context of the circular economy, demand has arisen for technologies that are able to recover high-tech metals from wastes and byproducts. The aim of the present study is to investigate the leaching potential of critical...
Water Quality
Continuous monitoring of the water quality in Canton Sarajevo is one of the top priorities necessary for water management, pollution control and conservation efforts in the region. This study presents a comprehensive assessment of water quality in the interconnected river systems of Miljacka and...
Water and Wastewater Treatment
This paper provides an overview of heavy metal removal technologies for wastewater treatment, with a focus on adsorption, chemical oxidation, ion exchange, and various coagulation processes. The discussion revolves around wastewater characterization as an essential first step in creating efficient...
Soil and groundwater contamination and remediation
Heavy metals have significant environmental impacts on human health and ecosystems. Appropriate remediation measures can be developed based on the source characteristics of heavy metals. So tracking the source of heavy metal pollution has become a prerequisite for assessing its potential pollution...
Water and Wastewater Treatment
The water hyacinth biosorbent has undergone thorough characterization and assessment for its capacity to remove heavy metals, specifically Pb(II) and Hg(II), from aqueous solutions. Notably, the biosorbent demonstrated an impressive maximum adsorption capacity for Pb and Hg, reaching values of 158.7...
Water and Wastewater Treatment
The biosorption of uranium ions was explored through batch studies employing activated biochar derived from Gracilaria Edulis seaweeds. A chemical synthesis approach utilizing concentrated sulfuric acid created and activated the adsorbent material. SEM and FTIR measurements were used to characterize...
Soil and groundwater contamination and remediation
Present study investigated the unknown responses of five castor bean genotypes to lead (Pb) contaminated soil, focusing on their growth and metal uptake efficiency. A unique aspect is the simultaneous assessment of multiple genotypes, offering a holistic view of their reactions to soil contamination...
Water and Wastewater Treatment
Healthy water is a concern for the world due to rapid population growth and technological advancement. The entry of heavy metals into water as a result of various activities causes water pollution that has persistent effects. In this study, a specially designed electrodialysis cell was used to...
Water and Wastewater Treatment
A novel technique involving hydrothermal synthesis was employed to prepare nanocomposite precursors of lamellar double hydroxide based basic mixed oxides. This method extended ongoing research on iron-impregnated hydrotalcite-supported nanomaterials. The iron-based Fe/MgAl-h nanocomposite was...
Nanomaterials in the environment: applications and effects
Under the greenhouse scale, nano zero valent iron (nZVI) have been evaluated evaluated by formulation with carboxymethyl cellulose (CMC-nZVI), chitosan (Ch-nZVI), biochar (BC-nZVI), and smectite (SC-nZVI) at rates of 0 and 0.5 and 1% (w/w). The properties of manufactured compounds and their impact...
Ecology, environmental change and management
Cadmium (Cd) is a highly hazardous metal known for its easy absorption and accumulation in plants, particularly in edible vegetable oils. Sunflower (Helianthus annuus L.) holds global significance as an oil crop. This study aims to assess the potential of zinc-solubilizing bacterial strains in...
Water Quality
Groundwater is a vital resource for human consumption. The study aimed to evaluate toxic metal concentrations in groundwater systems and determine pollutant sources using multivariate methods including cluster analysis (CA), principal factor analysis (PCA), and Pearson correlation coefficient (r)...
Water Quality
This study evaluates the contamination levels of heavy metals and petroleum hydrocarbons in Jafari Creek sediments and the effect of these pollutions on Macrobenthos in 2017. Studies to understand the effect of heavy metal Cadmium, Chromium, Nickel, Lead, Selenium, Zinc, Copper, and Vanadium, and...