Water Quality
The study was conducted to quantify Pb, Ni, Cr, Cd, Cu, and Fe in drinking water (surface and subsurface water) from Nawanshahr Town, Abbottabad, Pakistan, and to evaluate the associated threat to the health of the inhabitants. An atomic absorption spectrometer (Perkin Elmer, AAS-700) was utilized...
Water treatment
Sulfamethoxazole (SMX) and copper (Cu) are common antibiotic and heavy metallic contaminants. They can be removed separately through biochar sorption method. However, the interaction between SMX and Cu remains an unresolved issue in the sorption process of biochar. In this paper, two biochar samples...
Environmental Toxicology and Biogeochemistry of Ecosystems
An economy's progress is critically dependent on industrialization. However, it also negatively impacts the ecosystem by releasing dangerous elements like heavy metals into surface aquifers. The purpose of this study was to assess the contamination by heavy metals of edible plants (pepper...
Environmental Management and Policies
A major factor in the development of modern environmental engineering is the necessity of treating water pollutants. The effective removal of metallic ions of wastewater systems, using adsorption techniques, different adsorbents have been widely utilized; among these adsorbents, polymer-based...
Ecology, environmental change and management
Heavy metals like Pb, Cd, As, and Ni are becoming major environmental pollutants affecting crop productivity. The current study focused on the integration of biochar, compost, and Pb-tolerant Bacillus sp. (N18) to mitigate the hazardous impacts of Pb and improve maize growth under normal and Pb...
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 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...
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...
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...
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...
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...
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...
Soil and groundwater contamination and remediation
The contamination of soil is a serious issue to the environment caused by the human activities in the form of improper disposal methods. There are several contaminated dumpsites in India where, hazardous and other wastes contains heavy metal were dumped historically, which subsequently results in...
Environmental Management and Policies
It is important to rapidly amend the hostile rural soil fertility and quality to develop green land verdure. In this research, cornstalk-derived biochar was added (sequence proportions 0, 1, 5, 10, 20, and 50 % in the mass ratio) into hostile rural soil and then the grass was grown in the pots. The...
Water and Wastewater Treatment
Clean water and its requirement are one of the emerging needs in recent days. Water pollution creates more amount of toxic nature to the clean water and it increases the accumulation of poisonous contaminants in the water sources. Heavy metal ions are the type of toxic pollutant released from...
Hazardous Substances and Risk Analysis
Contamination of the food chain by toxic metals is one of the main concerns for human health. Milk is part of a balanced diet; essential for proper growth, but can also contains hazardous chemicals and contaminants including heavy metals which can be a risk for health. The aim of this study is to...
Water and Wastewater Treatment
Researchers have been focusing on protecting water quality and preventing environmental contamination caused by industrial discharge of heavy metals. Various methods have been explored for extracting these metals from wastewater, but they often prove to be costly and rely on non-renewable resources...
Soil and groundwater contamination and remediation
Dual-chamber microbial fuel cell (MFC) was constructed to treat heavy metal wastewater (Pb2+ solution). The results showed the maximum voltage, the maximum electric power density and pb2+ removal were 9.6 mV, 371.0 mV/m2 and 52.3% respectively. The effects of different cathode chamber environments...
Soil and groundwater contamination and remediation
The accumulation of heavy metals in soils increases rapidly due to various natural processes. Heavy metal pollution changes the geotechnical properties of soil and poses a serious threat to human health and ecosystems, so soil pollution remediation is particularly important. Phytoremediation is an...
Water and Wastewater Treatment
The management of water pollution has been one of the main problems as people pay more and more attention in the current society to the preservation and repair of the natural environment. In this paper, natural montmorillonite was modified with starch as well as lanthanum chloride. The removal...
Environmental Toxicology and Biogeochemistry of Ecosystems
Tungsten (W) is an emerging contaminant because of its potential toxicity to humans, and biochar (BC) is widely used for soil heavy metal remediation. However, W-biochar-plant interactions remain unknown. The objective of the study was to evaluate the effect of rice-husk BC on W uptake by lettuce...
Water Resources Management
The increasing industrialization and urbanization in recent times has led to a significant increase in heavy metal pollution in soil and sediment. The present study aims to evaluate the heavy metal contamination (HmC) in surface sediments collected from the Kosasthalaiyar River located between...
Air Quality
Transportation driven by fossil fuels increases air pollution induced by urbanisation. Heavy metals such as Cadmium (Cd), Chromium (Cr), Copper (Cu), Iron (Fe), Lead (Pb), and Zinc (Zn) are life-threatening elements and their concentration is increasing alarmingly in soil in various countries. Air...