The presence of imidacloprid in surface waters has raised major environmental concern worldwide. Herein, for degradation and mineralization of imidacloprid, hybrid nano-catalysts g-C3N4/ZnO (< 20 nm) with different compositions were synthesized and characterized. Under UV-C light intensity of 15 W/m2 and at pH 7, degradation was observed to be highest (95.6%) for g-C3N4/ZnO (20:80) in comparison to

Abstract This study obtained the maximum pollutant reduction and power production from the dairy industry wastewater using double-chambered salt bridge microbial fuel cell by the Taguchi method. The maximum removal of chemical oxygen demand from dairy industry wastewater was found to be 89.7% in double-chambered salt bridge microbial fuel cell. Similarly, the current, voltage, power, current density

El-Hammam canal, East El-Alamein City, is one of the national sustainable projects for facing food shortage in Egypt. The current work was conducted to evaluate the water–soil–plant system quality concerning potential toxic elements (PTEs) in this area. Surface water, soil and fruit samples were collected and analyzed for their content of As, Cd, Cr, Cu, Ni and Pb. The studied soils are sandy calcareous

Analysis of air pollutants (CO, PM2.5, NO2 and O3), during the dry and rainy seasons of 2015, was conducted in a high-traffic area of Quito, Ecuador. Variations in the annual, diurnal, weekdays, weekends, daytime and nighttime concentration of these pollutants were examined using the data obtained from the public records of the monitoring network in Quito. The highest concentrations of CO, PM2.5 and

Fouling is one of the drawbacks in membrane filtration systems, reducing the water quality and decreasing the lifespan of a membrane filtration system. In this study, we propose a surface modification on polyethersulfone (PES) membrane by using plasma polymerization with heptylamine as the precursor by varying the deposition time from 3 to 15 min to induce hydrophilic surface of the membrane without

Hyperspectral sensing devices are being increasingly applied in the field of environmental monitoring. High spatial and spectral resolution hyperspectral data are particularly suited for detecting the vegetation health state due to the unique spectral characteristics exhibited by green plants. Wetlands are capable of filtering polluted water, with their functionality strictly related to the health

This study investigates the methylene blue adsorption by ryegrass by-products. Milled ryegrass straw (Lolium multiflorum Lam.), treated straw, and the biochar produced from the straw with chemical activation with sodium hydroxide solution were used as adsorbent materials. To obtain the biochar, the pyrolysis was performed in a tubular reactor with nitrogen flow at 623 K. The characterization of all

Physical fractionation of a municipal solid waste compost was performed by a dry sieving process to obtain two particle size fractions (> 1.6 mm and 0.8–1.6 mm). The compost with the two particle sizes and the whole unfractionated compost were applied to field soil, and the effect of different size fractions of compost on the growth and physiological characteristics of Lolium perenne L. were investigated

Due to urbanization, there is a large increase in industries; these industries produce effluent. This effluent will alter the physical and chemical characteristics of the soil and water. A laboratory study was attempted to understand its physiochemical change in soil and water through a column study: it was conducted under the variable head condition for two different soils (in situ and sandy soil)

Gold mining operations generate a range of ecological and environmental impacts that can be measured spatially using geographic information system and remote sensing methods. This study assessed land-use and land-cover dynamics in the gold mining area using geographic information system and remote sensing techniques with the aid of Landsat 5 for years 1984, 1994, 2004 and Landsat 8 for 2014 and 2019

Release of poorly treated industrial wastewater containing pesticides has adverse effect on aquatic environment. In this study, an attempt was made to evaluate the performance of biopolymer-nanoorganoclay composite based on carboxy methyl cellulose and two nanoorganobentonites viz. DMDA (nanobentonite modified with 35–45 wt% dimethyl dialkyl (C14–C18) amine) and ODAAPS (nanobentonite modified with

Effluent from wastewater treatment plants (WWTPs) is one of the main sources of pollution that seriously affect the physicochemical parameters in water bodies. This occurs particularly when partially treated or untreated effluent is released to various aquatic ecosystems. This constitutes a potential danger to the general environment. To safeguard the lives of human, aquatic and other living organisms

Mesostructures Fe2O3 co-doped zinc titanate was excellently produced through the solgel method. The phase structure of zinc titanate transfers from a rhombohedral perovskite structure (ZnTiO3) to a cubic spinel structure (Zn2TiO4) with the incorporation of iron ions (Fe3+). Its high values characterize the dielectric constant decreases through the frequency range and the loss tangent at low frequency

Designs of Experiments are usually applied to reduce the number of experiments, time and cost of research. The present research focuses on the application of Taguchi method for optimization of defluoridation of water using Ficus glomerata bark-developed biosorbent. The optimized conditions were found to be pH 7, initial concentration 5 mg L−1, time of contact 120 min, dose of adsorbent 10 g L−1 and

High particulate matter (PM) concentrations have been measured on subway networks worldwide, with serious implications for human health. Such concentrations are known to be mainly produced by wear and friction of the metal parts and can accumulate in subways over time, causing a sort of age effect. Surveys have also shown that particle resuspension, caused by train arrivals and departures, significantly

Azo dyes are widely used in textile industry due to their easy production, high stability during washing and variety of colors. It raises concern over the ecosystem because of its structural features. Some advanced oxidation process that is tertiary treatment is one of the conventional treatment methods. Pollutants that cannot be removed by primary and secondary treatment are treated by tertiary treatment

Landfilling is Kuwait’s only waste disposal method. It presents an economical and a reliable solution in waste management but can pose a threat to human health and environment, making rehabilitation and restoration of these areas critical for future developments. Moreover, improper handling and management of waste in landfill sites could result in release of toxic gases and leachate contamination and

Abstract The present study focuses on the use of waste coal fly ash (CFA) for preparing magnetic photocatalyst (MnFe2O4/CFA) and its application of dye degradation from water. The MnFe2O4/CFA photocatalyst was synthesized through a facile hydrothermal method and characterized by various techniques for its structural, morphological, and photocatalytic properties. The MnFe2O4/CFA nanocomposite was used

A novel polyvinylidene fluoride/titanium dioxide solar active photocatalytic membrane with excellent rejection and reduction ability was prepared by phase inversion technique. The ex situ formed titanium dioxide nanoparticles using extract of Cajanus cajan of average size 10.5 nm were immobilized in the polymer matrix to enhance the performance of polyvinylidene fluoride membrane. This paper explores

The article listed above was initially published with author father’s name instead of author names.

Leachate of the uncontrolled landfill contains pollutants, which is discharged directly into the environment. The main objective of this study is to evaluate the reduction of bacteriological and parasitological risks by four biological treatments: sequencing batch reactor, anaerobic, intensive aeration and combination of the three processes. The results showed high bacteriological pollution in the

It is well-known that soil is subject to many natural and human-induced threats, which contribute to its degradation and loss. In addition, sampling for scientific studies and professional activities increases soil loss, because the samples—often in excessive amount—are never restored to the original place. Here, we propose to call “hidden erosion” this unwelcome form of erosion. A rough estimation

The aim of this study is to evaluate the potential of red mud applied as an adsorbent in the removal of dyes from the textile industry; the adsorption process was optimized using both response surface methodology and desirability function. Scanning electron microscopy (SEM), X-ray diffraction (XRD), point of zero charge (pHPZC), nitrogen physisorption and thermogravimetric analysis techniques were

The objective of this paper is to conduct a comparative analysis of the real and potential CO2 emission intensity in China’s agricultural sector. In order to perform this goal, this paper combines the concept of the meta-frontier efficiency and the directional distance function to process empirical work. This methodology allows for the incorporation of technological heterogeneities into the efficiency

In this work, graphene modified with sodium dodecyl sulfate was used to remove Fe (III) and Al (III) from wastewater. Morphological and spectrophotometrical characterization was done to confirm synthesis. Modified graphene performance was studied; pH effect, time of maximal sorption, maximal concentration of absorbent and concentration of ions were studied, as well. Sorption kinetic studies and isotherm

Soil protection and sustainable agriculture have become a key issue in Common Agricultural Policy. Emphasis is being placed on climate-smart agriculture, nature-friendly agricultural technologies and implementation of a range of nature-based measures to protect soil, retain water in landscape, etc. Recent agricultural policy is mostly based on qualitative assessment of the current state and impacts

This work describes preparation of bacterial cellulose membranes and their use as filters for water remediation. The samples were tested as filters using natural specimens that were extracted from the Igarassu River basin in Pernambuco, Brazil, and using suspensions with a high load of Escherichia coli and raw industrial effluents from the dairy and textile industries. The bacterial cellulose membrane

The production of biochar is one of the new methods used in the recycling of organic wastes. The use of biochar may increase carbon storage in the soil for longer periods of time. In this study, carbon and nitrogen contents of different sizes of tomato harvest residue biochar (TB) produced at different temperatures and holding times were determined. TB produced at five different temperatures (300,

This study reports the development and performance evaluation of a portable household ceramic water filter with activated carbon and magnetic treatment unit. Three levels of percentage composition of clay sawdust 60–40, 50–50 and 40–60% by volume were used. Potable water is rarely available in most rural areas of Nigeria, and drinking contaminated water could cause waterborne and water-related diseases

In this paper, zwitterionic polysulfobetaine@Fe3O4 (PSBMA@Fe3O4) nanoparticles were synthesized via covalent grafting and free radical polymerization and characterized. The PSBMA@Fe3O4 noparticles had a zeta potential of − 36 mV (pH 6.3), which guaranteed the high colloidal stability. The as-synthesized nanoparticles were employed as a nanofiller to prepare superior antifouling polysulfone hybrid hollow

Hydrophobic polyvinylidene fluoride membrane was reformed to the hydrophilic membrane by incorporating synthesized titanium dioxide nanoparticles using Cajanus cajan seed extract. Spectroscopic and microscopic techniques characterized the composite membrane. The X-ray diffraction confirms the anatase phase of titanium dioxide nanoparticles of crystalline size 15.89 nm. The effect of titanium dioxide

Over the years, adsorption has proved to be an effectual technique in the recovery of a variety of substances from aqueous solution. In response to the call for environmental and economic sustainability, much attention has been placed on biosorbents. Persimmon tannin-based adsorbents (PTBAs), in particular, have shown promise in terms of recovering metals from wastewater. PTBAs are universally occurring

Change in the climatic conditions due to uncontrolled emission of carbon dioxide is continuously encouraging to search alternative renewable energy sources. Corn stover is one of the several feedstocks being considered as growth medium for oil producing bacteria. India ranks third in the production of corn in the world. The present study focused on biodiesel synthesis from microbial oil, chemical profiling

This study focused on utilization of Leucaena leucocephala seeds’ extract and iron oxide nanoparticles (IONPs) under magnetic field to provide effective coagulation process. Leucaena seeds’ extract was obtained using 3 M NaCl solution as solvent at feed-to-solvent mass ratio of 1:20. IONPs were synthesized using co-precipitation method. The obtained IONPs were analyzed using scanning electron microscopy

In recent years, the development of nanoparticle materials for water treatment has received great attention. From an industrial technological view point, the application of nanomaterials in the twenty-first century for water treatment will be the focal point of advanced materials design, processing and progress. In this context, the potential utilisation of different types of flocculants to clean up

Increasing industrialization and extensive use of chemicals by the wide range of human sources of heavy metals contribute to increased impact on environment and human health. The excess concentration of heavy metals causes problems of toxicity and growth inhibition of living things. This research has two parts: first, the optimum dose of chemical coagulants (Fe2So4, Fe2So3, Al2So3 and natural coagulant

The original version of this article unfortunately contained a mistake.

The concept of environmental sustainable development is in fact a response to the environmental and social damaging effects. Urban sustainable development is one of the foundations for achieving environmental sustainable development and social justice; thus, the location allocation of urban facilities has to be optimized. Location allocation models are among the most widely used methods in GIS spatial

Heavy metal pollution threatens aquatic systems worldwide, and mining activities are an important pollution source. Currently, the treatment of polluted water using a cost-effective technology that can purify multiple pollutants and is sustainable, environmentally friendly, and simple is a major challenge. The in situ preparation of Mg–Al layered double hydroxides (LDHs) and the concurrent treatment

Abstract Oceans and seas are of paramount importance to the health of planet Earth and human kind. Marine ecosystems should be defended against attack of polluting agents by continuous monitoring; the means of such monitoring should be as green as possible, i.e. based on sensors manufactured by biocompatible and easily disposable raw materials. In this study, we lay the basis for the future development

In order to evaluate the possible human health risk by phyto-accumulation of five heavy metals, viz. Cr, Cd, Cu, Pb and Ni, four Brassica species, namely B. campestris, B. juncea, B. napus and B. nigra, were grown under field conditions irrigated with 100% (undiluted) and 50% (diluted) wastewater (WW). The groundwater treatment was taken as control. WW irrigations (50% and 100%) were found to increase

Prediction of urban growth is often crucial in urban planning decisions. In this paper, we integrated the whole process of urban growth prediction by SLEUTH simulation for Dhaka Metropolitan Development Plan area of Bangladesh for the year of 2035. SLEUTH requires a rigorous preparation of five data inputs, i.e., slope, exclusion area, urban extent, road network and hillshade. This paper improvised

Air pollution nowadays is a serious threat to life. In terms of the global air quality, nitrogen dioxide is one of the prominent pollutants as per the reports of the World Health Organization. Nitrogen dioxide is the cause of about 92% of the asthma cases. Epidemiological studies have unfolded nitrogen dioxide contribution to mortality. Apart from the significant health effects, it also plays a role

In this study, the performance of electro-peroxymonosulfate and electro-peroxydisulfate methods in biologically stabilized leachate nanofiltration concentrate treatment was investigated. To increase treatability and biodegradability of the concentrated leachate was aimed. Central composite design was applied for the optimization of process parameters and development of mathematical model. Variance

Recently, with the growth and development of distributed generation (DGs) and energy storage systems (ESSs), as well as smart control equipment, microgrids (MGs) have been developed. Microgrids are comprised of a limited number of constitutive parts, including loads, DGs, ESSs, and electric vehicles (EVs). This paper presents a novel scheme to manage active and reactive powers, based on DGs, ESSs,

The generation and management of wastes constitute today one of the major challenges of societies due not only to the huge amounts that are produced, but also to the need of implementing new treatments that can be more sustainable at an environmental level. The present work explored the production, management and policies adopted in the treatment of relevant typologies of solid wastes in Portugal,

Building energy performance assessment technique has become a new paradigm that plays a significant part in reducing world energy demand and greenhouse gas emissions. However, there exists a global proliferation of diverse models for assessing and benchmarking buildings. This paper proposes a single building energy performance assessment model that considered several factors that affect office building

Application of accurate gas sampler and analyzers is the most reliable method for measuring cement kiln stack gas composition; however, both are very prone to frequent maintenance due to the presence of very fine dust particles in kiln stack gas. Reliable soft sensors are necessary for online concentration estimation of required components during down time of sampler or analyzer. Since accurate first

A type of rayon-based commercial activated carbon fibers (ACFs), named as KF1500, was modified by thermal chemical vapor deposition (CVD) method to remove nitrate in aqueous solution. Acetonitrile (vapor) was introduced to dope positive charge nitrogen species on it. The sample was ded as KF-8ST10-8AN20-9.5HT30-8ST30 (8ST10; steam activation at 800 °C with 10 mL water, 8AN20; thermal CVD treatment

Environmental effects of concretes produced from partial replacement of cement and sand with coal ash were investigated. Oxide composition of coal ash and cement was determined with X-ray fluorescence spectrometer, while particle size and shape were determined using scanning electron microscope. Concrete mixtures were produced by replacing cement and sand with coal ash at 10, 20, 30 and 40%. Their

A series of graphitic carbon nitrides (g-C3N4) were prepared using different precursors; these g-C3N4-supported CoOx catalysts exhibited different catalytic performances in toluene catalytic combustion reaction. The structure of samples was detected by XRD, TEM, SEM, XPS, H2-TPR, nitrogen adsorption and desorption technique, to build up the structure–performance relationship and uncover the key property

This study details the development of mixed anaerobic culture capable of degrading high concentrations of chlorophenols; 4-chlorophenol (MCP), 2,4-dichlorophenol (DCP) and pentachlorophenol (PCP) were used for that purpose. The role of glucose concentration and the relative potential of mixed culture for acclimatization of different chlorophenols under anaerobic conditions were studied. Methane production

A prior prediction of oxides of nitrogen, i.e., NOX (sum of NO and NO2), in diesel exhaust while treating with electric discharge-based nonthermal plasma (NTP) technique, would assist the researchers in planning the resources required for the treatment. In this present study, the performance of different regression-based models, i.e., linear, support vector regression and Gaussian process regression

In this study, aluminum, iron, calcium and magnesium existing in thermal power plant fly ash were leached by the method of hydrochloric acid with 20% acetic acid. Then, solvent extraction and precipitation methods were applied for recovery processes. The effects of acid concentration, reaction time, and temperature on leaching of iron, aluminum, calcium, and magnesium were investigated considering

Abstract Microalgae have received considerable attention in recent years due to their significant potential in contaminants removal from wastewater and can be used as a sustainable feedstock for biofuel production. However, existing researches on microalgae are mainly focused on inorganic nutrients (i.e., nitrogen and phosphorus) removal, while oil as one of the major pollutant classes has been lack

The aim of this study was to remove Basic Red 13 dye by electrochemical oxidation with Ti/Pt anodes and to numerically optimize the operating conditions such as current density (5–20 mA/cm2), flow rate (10–50 mL/min), initial pH (2–9) and supporting electrolyte concentration (10–100 mM) by using response surface methodology. Chemical oxygen demand analysis which was chosen as a response was performed

The frequent occurrence of cyanobacteria blooms has gained worldwide concern. The conventional pre-oxidation methods are not only less effective in removing Microcystis aeruginosa cells, but also tend to trigger secondary pollution with an inevitable release of intracellular organic matter. In this study, Fe2+/persulfate process was applied to generate sulfate radicals and simultaneously form in situ

In this study, we investigated the facilitated depuration of non-essential elements from the tissues of Clarias gariepinus by interactions with essential elements. Fish were exposed to lead, cadmium and mercury at a range of concentrations previously detected in aquatic environments, for 28 days. Subsets of fish exposed to each of these elements were then exposed to the essential elements, such as

The prediction of the future position of the shoreline is of great importance in planning studies in coastal areas, in making effective decisions in coastal management, and in determining changes occurring on the coast. In this study, coastal change analyses were performed in two different study areas (the Gulf of Izmit and the Göksu Delta) by using satellite images of different dates, and the accuracy

Abstract Pollution of water resources particularly surface water and rivers may affect human health and the environment seriously. So it is essential to find an efficient solution to control the pollution at rivers in order to reduce damages for consumers and protect the environment. At this research, a mathematical model is proposed to manage pollutant entrance to the river from several resources