Environmental Chemistry - Science topic

Urea is recognized as one of the most frequently used adulterants in milk to enhance artificial protein content, and whiteness. Drinking milk having high urea concentrations which causes innumerable health disputes like ulcers, indigestion, and kidney-related problems. Therefore, herein, a simple and rapid electroanalytical platform was developed t...

Engaging students in collaborative learning fosters the expression of ideas, deepens understanding, and hones argumentation skills. Argumentation is pivotal, and instructors should facilitate opportunities for its practice. In the study on an environmental chemistry course, class conversations were recorded to analyze students’ contributions to onl...

The excessive release of greenhouse gases, especially carbon dioxide (CO2) pollution, has resulted in significant environmental problems all over the world. CO2 capture technologies offer a very effective means of combating global warming, climate change, and promoting sustainable economic growth. In this work, UiO-66-NH2 was synthesized by the nov...

Nickel, a prevalent metal in the ecosystem, is released into the environment through various anthropogenic activities, leading to adverse effects. This research explored utilizing zeolite scony mobile-5 (ZSM-5) nanoparticles encapsulated in sodium alginate (SA) for nickel (II) removal from aqueous solutions. The adsorption characteristics of SA/ZSM...

In this study, metal oxides nanoparticles heterogeneous photocatalysts prepared by coprecipitation and ultrasonic techniques were used for diesel desulfurization. They were characterized by scanning electron microscope, powder X-ray diffraction, energy dispersive analysis, diffused reflectance spectra, photoluminescence analysis and BET surface are...

From the perspective of environmental protection, the highly efficient degradation of antibiotics and organic dyes in wastewater needs to be tackled as soon as possible. In this study, an ecofriendly and green cube-shaped cobalt-doped zinc oxide nanoparticles (Co–ZnO NPs) photocatalyst using Pterocladia Capillacea (P. Capillacea) water extract load...

The solubility of a chemical in water is a critical parameter in drug development and other fields such as environmental chemistry and agrochemistry, but its in silico prediction presents a formidable challenge. Here, we apply a suite of graph-based machine learning algorithms to the benchmark problems posed over several years in international ``so...

A common perspective within the prospect of a greener future is utilising our waste materials. One waste material of which the world has abundant resources, and where we will keep having resources, is sewage sludge. This waste material is getting an increased focus, and is commonly utilised by anaerobic digestion processes for methane production. T...

In recent years, water pollution has become one of the most dangerous problems facing the world. Pollution of water with heavy metals and different dyes has caused many harmful effects on human health, living organisms and our environment. In this study, iron oxide nanomagnetic composite from Pterocladia Capillacea red algae-derived activated carbo...

Concern for environmental protection has increased throughout the years from a global perspective. To date, the predominance of adsorption as treatment technique in environmental chemistry remains unchallenged. Moreover, the scientific attention for investigating nanobubbles due to their unique properties has turned the search for their application...

In this research, the photocatalytic removal of reactive blue 19 (RB19) dye is investigated employing zinc oxide/cerium (ZnO@Ce) nanoparticles decorated with biochar under LED irradiation. Synthesis of ZnO@Ce nanoparticles decorated with biochar was performed utilizing the co-precipitation procedure and, then, the texture and morphology of the fabr...

Electrocatalytic oxidation offers opportunities for sustainable environmental remediation, but it is often hampered by the slow mass transfer and short lives of electro-generated radicals. Here, we achieve a four times higher kinetic constant (18.9 min⁻¹) for the oxidation of 4-chlorophenol on the reactive electrochemical membrane by reducing the p...

For the first time, covalently anchoring size selected silver nanoclusters [Ag44(MNBA)30] on the Bi2S3@UiO-66-NH2 and MoS2@UiO-66-NH2 heterojunctions were constructed as novel photocatalysts for photodegradation of methylene blue (MB) dye. The anchoring of Ag44 on MoS2@UiO-66-NH2 and Bi2S3@UiO-66-NH2 heterojunctions extended the light absorption of...

Carbon materials play important roles as catalysts or catalyst supports for reduction reactions owing to their high porosity, large specific surface area, great electron conductivity, and excellent chemical stability. In this paper, a mesoporous N-doped carbon substrate (exhibited as N–C) has been synthesized by ionothermal carbonization of glucose...

Emission factors and inventories of black carbon (BC) aerosols are crucial for estimating their adverse atmospheric effect. However, it is imperative to separate BC emissions into char and soot subgroups due to their significantly different physicochemical properties and potential effects. Here, we present a substantial dataset of char and soot emi...

Catalysts are essential materials in biotechnology, medicine, industry, and chemistry. On the other hand, recycling and using waste materials is important in economic efficiency and green chemistry. Thus, biochar was prepared from the stem and roots of the Spear Thistle to recover waste. After magnetizing the biochar, its surface was modified with...

Antioxidant defense therapy and strategies for treatment round out the book, making it an ideal resource for researchers and professional scientists in toxicology, environmental chemistry, environmental science, nanomaterials and the pharmaceutical sciences.

Reactive Oxygen Species (ROS), Nanoparticles, and Endoplasmic Reticulum (ER) Stress-Induced Cell Death Mechanisms presents the role of ROS‒mediated pathways cellular signaling stress, endoplasmic reticulum (ER) stress, oxidative stress, oxidative damage, nanomaterials, and the mechanisms by which metalloids and nanoparticles induce their toxic effe...

A commercial carbon cloth (CC) was oxidized by HNO3 acid and the features of the plain and oxidized CC were evaluated. The results of characterization illustrated that HNO3 oxidization duplicated the oxygen-containing functional groups and the surface area of the CC. The adsorption performance of the plain and oxidized CC (Oxi-CC) toward benzotriaz...

Ammonium is an essential component of the nitrogen cycle, which is essential for nitrogen cycling in ecosystems. On the other hand, ammonium pollution in water poses a great threat to the ecosystem and human health. Accurate and timely determination of ammonium content is of great importance for environmental management and ensuring the safety of w...

Enhanced oil recovery (EOR) from carbonates is obtained by injection of controlled ionic strength brines containing “active ions” (e.g., SO4²⁻, Mg²⁺, Ca²⁺). It is generally believed that this occurs through the interaction of the active ions at the carbonate-brine interface (e.g., within a thin brine layer separating the petroleum and the carbonate...

Many atmospheric chemicals occur in the gas phase as well as in liquid cloud droplets and aerosol particles. Therefore, it is necessary to understand their distribution between the phases. According to Henry’s law, the equilibrium ratio between the abundances in the gas phase and in the aqueous phase is constant for a dilute solution. Henry’s law c...

O ensino de diversas áreas vem se modificando diante das inúmeras transformações decorrentes principalmente da revolução digital. Nas áreas de Química Ambiental e Educação Ambiental não poderia ser diferente. Assim, este trabalho visa trazer o estado da arte de publicações sobre o uso de jogos no ensino das áreas em questão, buscando delinear um ce...

This work responds to what was reported in various audio-visual media channels and to queries and explanations from individuals and local residents on the causes of gaseous and thermal emissions from the Earth near the vicinity of the village of Al-Hindaw in Dakhla city, New Valley Governorate, Egypt. At the location of the fume exit area, magnetic...

Industrial effluents are a leading major threat for water contamination, subsequently which results in severe health associated risks. Hence, purifying wastewater before releasing into the water resources is essential to avoid contamination. In this study, ZnO/Cu-DPA nano-composites were prepared by altering the percentage of Cu-DPA (20%, 30%, 40%,...

Photochemical oxidants (Ox; mainly O3) are a concern in East Asia. Because of the prevailing westerly wind in the midlatitudes, O3 concentration generally shows a high in spring over Kyushu Island, western Japan, and Ox warnings have been issued in spring. However, the record from 2000 to 2021 of Ox warning days in Kyushu Island contains one warnin...

In this study, we have opened a great route to fabricate a high-performance nanocomposite for various functional applications based on the composite of a natural stone. A clay sample (black shale (B.Sh)) was collected from the Abu-Tartur area in Egypt. The black shale was organically modified with organic materials in our laboratory, which is calle...

Nanomaterials with enzyme-like activity, namely, nanozymes, have been widely used as substitutes for natural enzymes, and they show excellent potential for application in many fields, such as biotechnology, environmental chemistry, and medicine. Layered double hydroxides (LDHs) are inorganic nanomaterials with adjustable compositions, simple prepar...

Living in healthy environment should be regarded as a primary human right and not a privilege rendered to chosen ones. For that reason, a national air monitoring grid should be as extensive as possible. Unfortunately, small towns and villages, which are also exposed to air pollution episodes are not commonly covered by monitoring grid. Fixed air mo...

This study investigated the feasibility of employing neat chitosan powder, polyacrylamide, and chitosan micro-beads as adsorbents for the rapid and efficient removal of Direct Blue 78 dye from textile industrial wastewater. A series of batch experiments were conducted to examine the impact of adsorbent dose, contact time, and pH on the adsorption p...

Deep geological repository is widely considered as the preferred solution for the final disposal of high-level radioactive waste. Investigation representative of the Hungarian disposal concept was conducted using mock-up diffusion cells to study the chemical changes of S235JR carbon steel canister and CEM II/B concrete of the Public Limited Company...

Sulfur compounds are among the most unfavorable constituents of petroleum derivatives, so stringent regulations have been established to curb their atmospheric emissions. In this regard, a new nanocomposite ((n-C 4 H 9 ) 4 N) 4 H[PW 11 FeO 39 ]@NiO) was synthesized composed of quaternary ammonium bromide salt of iron III -substituted Keggin-type po...

Speleothems are secondary mineral structures typically found in karstic caves and usually composed of calcite or aragonite. Despite being naturally white, some might exhibit unusual colors, such as blue, black, red, yellow or green. The causes of these exceptional colorations are poorly understood, especially for green speleothems, which are barely...

The soft-ionization mass spectrometry is irreplaceable instrumentation to many fields of analytical research. Due to, its superior method performances, mass spectrometry becomes a so-called gold-standard of the analytical sciences. Its application encompasses analytical and environmental chemistry, petroleum chemistry, clinical diagnostics, forensi...

The atmospheric oxidation of biogenic volatile organic compounds (BVOC) by OH radicals over tropical rainforests impacts local particle production and the lifetime of globally distributed chemically and radiatively active gases. For the pristine Amazon rainforest during the dry season, we empirically determined the diurnal OH radical variability at...

In today’s global community, internationalization offers students a crucial advantage by developing their intercultural competence and global citizenship skills. Recent research on Internationalization at Home (IaH) has shown that students can benefit from this approach even without travelling. There has been minimal research conducted on how inter...

The book on Environmental and Technological Aspects of Redox Processes is a comprehensive guide to understanding the natural process of electrochemical oxidation/reduction and adsorption action in water treatment technology. The book examines the complexities of redox signaling at a cellular level and how it influences a wide range of biological pr...

La serie de libros dedicada a la química ambiental publicados por Springer con acceso gratuito, con el objetivo el difundir estudios ambientales acerca de los cambios, impactos y riesgos que generan las actividades realizadas, por las poblaciones que habitan un territorio delimitado por un parámetro geográfico como el de una cuenca.El libro sirve d...

Adsorption kinetics and isotherms were determined for 4,4'-methylene dianiline (MDA) on five diverse soils at nominal concentrations of 0.01-1.0 mg L-1 (nominal soil loading 0.1-40 μg gs -1 ). The data were used to model the adsorption process based on the two-step mechanism that is characteristic of the adsorption of aromatic amines, consisting of...

This research explores the potential of interactive educational games as a tool to enhance environmental literacy, with a specific focus on water pollution issues. The study introduces a designed game encompassing various interactive modules, such as word games, drag-and-drop tasks, multiple-choice questions, evaluations, and an environmental liter...

Environmental pollution is a pressing global issue that demands effective monitoring and remediation strategies. Environmental chemistry plays a vital role in understanding pollutant behaviour, identifying sources, and developing solutions for pollution control. This review examines the challenges associated with pollution monitoring and remediatio...

Synchrotron radiation near ambient pressure X-ray photoemission spectroscopy (SR NAP-XPS) has been an invaluable tool for examining gas/liquid and liquid/solid interfaces. Despite its benefits, concerns have emerged regarding beam damage in NAP-XPS experiments, particularly involving condensed liquid water, because of the high dose rates, greater t...

Using Differential Thermal Analysis (DTA) method the thermal-physical properties of nanocomposites PP+NC for environmental and environmental chemistry applications were studied and the thermal-destruction processes after aging in an electric field were determined. The influence of various external factors (strong electric field, electric discharge,...

Sustainable development is a big global challenge for the 21st century. In recent years, a class of emerging contaminants known as microplastics (MPs) has been identified as a significant pollutant with the potential to harm ecosystems. These small plastic particles have been found in every compartment of the planet, with aquatic habitats serving a...

Many atmospheric chemicals occur in the gas phase as well as in liquid cloud droplets and aerosol particles. Therefore, it is necessary to understand their distribution between the phases. According to Henry’s law, the equilibrium ratio between the abundances in the gas phase and in the aqueous phase is constant for a dilute solution. Henry’s law c...

Background The misuse of animal-derived stimulants in food is becoming increasingly common, and mass spectrometry (MS) is used extensively for their detection and analysis. There is a growing demand for abused-substances detection, highlighting the need for systematic studies on the advantages of MS-based methods in detecting animal-derived stimula...

Lipophilicity is a physicochemical property with wide relevance in drug design and is applied in areas such as food chemistry, environmental chemistry, and computational biology. This descriptor strongly influences the absorption, distribution, permeability, bioaccumulation, protein-binding, and biological activity of bioorganic compounds. Lipophil...

A Química Ambiental vem sendo cada vez mais discutida nos últimos anos. Além disso, por compreender diversas áreas de ensino, permite trabalhar de forma interdisciplinar, abrangendo um vasto campo de conhecimento. A partir disso, pensou-se em uma metodologia capaz de associar o conteúdo com o cotidiano, a experimentação, onde foi possível mostrar p...

This article provides a thorough evaluation of Environmental Chemistry's contribution to reducing pollution in the natural world. Understanding the complex dynamics of pollution and creating efficient remediation techniques requires an in-depth knowledge of environmental chemistry. This article uses an in-depth analysis of three case studies to sho...

Increases in both global food demand and environmental concerns highlight the critical need for sustainable agriculture. This article, "Sustainable Agriculture: Integrating Environmental Chemistry for a Greener Future," shows how the two areas can work together to improve environmental conditions and ensure a more sustainable future. Successes and...

With the use of three case studies, the article "From Lab to Reality: Environmental Chemistry's Role in Pollution Mitigation-A Case Study Analysis" delves into the real-world applications of environmental chemistry in pollution control. Environmental chemistry is examined in depth for its revolutionary impact on waste management in industry, pollut...

In-depth research into the potential of environmental chemistry to revitalise city ecosystems is presented. It delves into the relevance of environmental chemistry to the study of urban ecosystems, as well as its practical applications. The importance of environmental chemistry in detecting pollutants, developing effective mitigation techniques, an...

Background The constant increase in veterinary student numbers(1) has put universities under pressure to find ways to ensure welfare of teaching animals are not compromised. Use of models either alongside or instead of live animals can be a way to reduce pressures such as availability, cost and welfare concerns(2) especially when used to teach food...

The rate of decommissioning of global oil and gas production facilities will accelerate over coming decades, as mature developments reach the end of use, and consumers transition towards renewable energy. Decommissioning strategies should include thorough environmental risk assessments which consider contaminants which are known to be present in oi...

A third of 1990-1 Gulf-deployed personnel developed drug/chemical-induced multisymptom illness, “Gulf War illness” (GWI). Veterans with GWI (VGWI) report increased drug/exposure adverse effects (AEs). Using previously collected data from a case-control study, we evaluated whether the fraction of exposures that engendered AEs (“AE Propensity”) is in...

Many efforts have been devoted to produce green materials and technology to prevent and minimize the adverse effects on the environment and human health caused primarily by population growth and industrial progress. Over the past years, the use of zeolites has attracted considerable attention as both an economically and environmentally friendly opt...

Motivation: Transformation products (TPs) of man-made chemicals, formed through microbially mediated transformation in the environment, can have serious adverse environmental effects, yet the analytical identification of TPs is challenging. Rule-based prediction tools are successful in predicting TPs, especially in environmental chemistry applicat...

The missing-linker defects of UiO-66 were exploited to covalently anchor Cu nanoclusters (Cu/UiO-66). The molecular interactions between the metals and oxides as copper-zirconia interfaces in Cu/UiO-66 are essential for heterogeneous catalysis, leading to remarkable synergistic impacts on activity and selectivity. Homogeneously distributed carbonac...

This study focused on developing a new cocktail extraction agent (CEA) composed of solvent and a new surfactant material (SM) for enhancing the efficiency of fuel recovery from real waste oil sludge (WSO). The effects of different solvents (e.g. methyl ethyl ketone (MEK), naphtha, petrol and kerosene), SMs (Dowfax and sodium thiosulfate), extractio...

The present study fabricated regenerated cellulose nanofiber incorporated with activated carbon and functionalized rC/AC3.7 with EDTA reagent for methylene blue (MB) dye removal. The rC/AC3.7 was fabricated by electrospinning cellulose acetate (CA) with activated carbon (AC) solution followed by deacetylation. FT-IR spectroscopy was applied to prov...

Education is the pivot upon which the wheels of the society revolve. The effort of the educational system in producing relevant and skillful graduates to meet the needs and aspirations of modern world labour market is a formidable task for educational managers. Our educational system has been undergoing a lot of challenges due to a lot of insecurit...

Developing materials with high efficiency for recovering oil to mitigate the environmental impact of oil spills has always been a challenging task. A commercial melamine formaldehyde sponge was coated with an optimised superhydrophobic/superoleophilic hyper-crosslinked polymer and applied to the removal of crude oil from oil-in-water emulsions for...

Los metales pesados son de gran interés en química ambiental debido, principalmente, al impacto negativo que presentan dichos elementos no degradables en el medio ambiente. La técnica espectroscópica de absorción atómica (AA) es una de las más utilizadas para la determinación de metales. En este contexto, nos enfocamos en la determinación cuantitat...