Water and wastewater

This study focuses on extraction of Boswellia sacra resin essential oil that was performed using the hydrodistillation method, resulting in a yield of 2.45%. Phytochemical screening of the essential oil provided information about its major compounds, which include terpenes and anthocyanins. To...

It has been suggested that the global warming due to an increase in green house gas concentrations could lead to extreme climate events, such as precipitation extreme and droughts. This study is designed to analyze trend in the long-term time series of preciptation extreme in Kalimantan, focusing on...

It is now possible to measure the biogenic amines histamine, tryptamine, putrescine, cadaverine, spermidine, spermine, and tyramine in an easy, accurate, and selective manner. Dansyl chloride was used to purify the analytes, and high-performance liquid chromatography with detection of fluorescence...

An Anaerobic membrane bioreactor (AnMBR) was applied for treating wastewater of a seafood processing factory in Vietnam. However, Chemical Oxygen Demand (COD), Total Phosphorus (TP), and Total Nitrogen (TN) values of the AnMBR effluent were 250.43 mg/l, 19.96 mg/l, and 62.65 mg/l, respectively, and...

Malachite green (MG) and Crystal Violet (CV) are used mainly as dyestuff and antimicrobials in aquaculture. They have a severe toxic effect on the environment. Several techniques were used to remove impurities from an aqueous solution: chemical, physical, and electrical. Among all these techniques...

Using a baffle reactor to degrade nitrophenol wastewater, with p-nitrophenol as the target pollutant, investigate the effects of nitrophenol concentration, external carbon source concentration, hydraulic retention time, and dissolved oxygen changes on the degradation of p-nitrophenol in the micro...

Toxic components in tailings pose a severe threat to the ecosystem and human health and negatively affect tailings’ resource utilization. Therefore, using the entropy weight-clustering method, we evaluated the leaching toxicity based on tailings samples from non-resource cities in Anhui Province...

In this study, zinc oxide (ZnO) films have been electrochemically deposited on stainless steel and its photocatalytic activity on the degradation of BR 18 dyes was tested. The effects of different electrodeposition conditions such as deposition potential and deposition time on the nanostructures of...

Wastewater includes sewage water, which presents serious environmental problems that necessitate effective treatment techniques. Membrane Bioreactors (MBRs) have emerged as promising solutions, albeit plagued by membrane fouling and computational loading issues. To resolve these issues, this...

Floods cause significant harm around the world each year. Predicting floods accurately and in a timely manner can greatly reduce the loss of human life and property. Thus far, a number of modelling approaches have been described for automatic flood detection; these approaches primarily capture...

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...

This study examines the antidiabetic, photoprotective, and antibacterial properties of Asphodelus microcarpus (Liliaceae) essential oil (EO) collected from Constantine, Eastern Algeria. The EO was obtained by hydro-distillation and the composition was determined by Gas chromatography (GC) and gas...

With the progress of society and the development of the economy, people’s awareness of environmental protection is also becoming stronger. Therefore, the damage caused by marine oil spills caused by offshore oil extraction to marine ecology is also receiving more and more attention from people...

The surface water quality of Timgad and Yabous dams in the semi-arid region of northeast Algeria was evaluated using physicochemical data collected monthly from May 2023 to April 2024. Parameters including temperature (T), pH, electrical conductivity (EC), total dissolved solids (TDS), chloride (Cl⁻...

In current study environment benign silver-iron oxide (Ag-Fe2O3) nanohybrid structures are fabricated as catalyst for CR dye decolorization. Industrial wastewater stream possesses several toxic dyes which are toxic carcinogen pollutants cause severe environmental disorders. Detoxification of Congo...

This study investigates the Anthropogenic Influence and Climate Change: Water and Nutrient Dynamics in the Kebir-Rhumel Basin in Northeastern Algeria. Utilizing an advanced methodology and integrating 10 physicochemical variables, this research provides a novel insight into the environmental factors...

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...

The Yangtze River, the longest river in China and one of the most important water resources in the world, has been facing significant challenges regarding water pollution in recent years. The issue of water quality safety is related to the national economy and people's livelihood. Water pollution...

This study investigated the removal of methylene blue (MB) via adsorption using waste bottom ash. The bottom ash, sourced from a waste storage site in the Çorlu district of Tekirdağ province, Thrace Region, was utilized as the adsorbent. The research examined the impact of several variables on MB...

The increasing prevalence of hazardous dye wastewater from the printing and packaging industries poses significant environmental and health challenges. Conventional water treatment technologies often fall short of effectively removing these complex contaminants. This study explores the formulation...

This study aimed to determine the extent of the water quality decrease in the Noyyal River in Tamilnadu by analyzing the seasonal change of water's physicochemical properties, identifying possible sources of pollution, and grouping the monitoring months based on shared characteristics. The...

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...

The performance of a Sequential Batch Biofilm Reactor (SBBR) for the treatment of grey water was evaluated using two different bio-carries under different aeration duration. Two biofilm carriers such as fujino spiral and loofah sponge was used for biofilm formation in the reactor. The study...

This study examines the use of Co3O4 nanocomposite as a photo-catalyst in aqueous solution for photocatalytic degradation of dyes under UV. It has been observed that substrate concentrations, catalyst, pH, oxidant present and temperature, effect on dye degradation. The characterization of...

According to estimates, around 15-50% of textile dyes fail to adhere to the fabric during the dyeing process, resulting in their discharge into wastewater. This wastewater is often used for agricultural irrigation in impoverished nations which harms plant germination and development. In this study...

Urban flooding has severely threatened the ecosystem and human life in recent years. The key to managing stormwater is to understand what causes it. The forceful effects of building shape on urban floods should be addressed, which results in a significant underestimation of flood danger. Algorithms...

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...

The catalyst SDBS/C/Nd/TiO2 was synthesized by sol-gel method using TiO2 co-doped with C and Nd and anionic surfactant SDBS as template agent. The prepared photocatalysts were characterized by X-ray diffraction (XRD), scanning electron (SEM), X-ray photoelectron spectrometer (XPS) and UV-vis diffuse...

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...

Microplastics pollution poses a significant threat to aquatic ecosystems globally, originating from various sources such as plastic debris breakdown and microbeads. This study investigates the ecotoxicological impacts of these pollutants on marine plants and evaluates mitigation strategies. Field...

Investigating the influence of climate change on drought in a dynamic environment is essential for human society, agriculture, and ecology. Draught forecasting often considers machine learning techniques that use climate-mode indices as predictor variables. However, forecasting in long lead times is...

Microbial Fuel Cells (MFCs) offers a promising solution for addressing both waste water treatment and challenges in renewable energy production. This study aims to explore the integration of MFCs with adsorption/bio-oxidation (AB) process to tackle wastewater management difficulties while generating...

Mentha species are commonly used in traditional medicine for their several pharmacological properties. They are also used as spice and are known for their bactericidal, antiviral and fungicidal properties. The objective of this study is to evaluate the antifungal activity of Mentha spicata essential...

The management of hazardous waste is a critical environmental challenge that requires innovative and sustainable solutions to mitigate adverse impacts on ecosystems and human health. This research project aims to assess and evaluate cutting-edge technologies for the treatment and remediation of...

IIntroducing tannic acid from tea leaves waste as a complexing agent of Fe(III) into photo-Fenton process to prevent Fe(OH)3 precipitation at pH 7, and further to increase photo-Fenton activity in the near neutral pH for Pb(II) photo-oxidation is systematically addressed. The photo-Fenton process...

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...

In this study, tamarind leaf extract was used to effectively produce silver oxide (AgO) nanoparticles. Crystal violet (CV), Alizarin red (AR), Reactive black (RB), and rhodamine b (Rh B) degradation were examined to evaluate the effectiveness of AgO NPs. XRD patterns, UV-visible spectroscopy...

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...

The purpose of this work is to examine the efficiency of the Electro-Fenton process (Fenton oxidation) for the elimination of amoxicillin from simulated wastewater through response surface methodology (RSM). The effect three operating parameters that were selected for this evaluation were...

Understanding the retention of organic compounds (OCs) is critical for membrane applications in water recycling. The objective of this study was to create an optimized model using Artificial Neural Networks for Quantitative Structure-Property Relationship (QSPR-ANN) to predict the effect of...

The current work reveals the fabrication of a novel nanofiber composite membrane of PET-PAN modified with Mg-Al-LDH-PVA through electrospinning process. The nanocomposite membranes characterization was conducted with different techniques i.e. SEM, EDS, FTIR, XRD, and water contact angle to evaluate...

Water contamination is a pressing global issue with far-reaching environmental, health, and socio-economic consequences. As the demand for clean water intensifies, researchers are exploring innovative nanomaterials to develop efficient and sustainable water treatment technologies. The Bismuth oxide...

India's droughts and floods, which have affected 8 million hectares yearly since the 1950s, make future adaptation and mitigation plans necessary, as well as an awareness of potential changes. In order to address the growing issues of flood and drought events in urban settings, the study emphasizes...

Climate change has serious implications foron the rise and variation of the average earth’s temperature, and intensified rainfall. In urban areas, temperatures and intensified rainfall variation are noticeably seenin the city which disrupts the normal life of a living things. Also, it affects the...

The forward osmosis process is currently more studied to be a replacement for another consuming-energy process, for this, many works show up the rejection of different molecules, energy consumption, and modeling of different objectives related to FO process. Our study consists to model the rejection...

Electrochemical treatment of wastewater containing p-nitrophenol (PNP) was carried out using a platinum electrode as an anode and biochar-loaded nano zero-valent iron material as the cathode. The prepared biochar loaded nano zero valent iron electrode materials were characterized and analyzed using...

Floods inflict significant damage globally each year, underscoring the importance of accurate and timely flood prediction to mitigate property loss and life. Precise flood prediction provides governments with crucial preemptive alerts regarding potential flood disasters, enabling timely evacuations...

Purpose: This study investigates the efficacy of electrochemical remediation techniques in treating hospital wastewater, focusing on parameters including turbidity, color, BOD, COD, DO, coliform, and E. coli. Design/Methodology/Approach: The study conducts a comprehensive analysis of various...

This research is conducted on Erbil basin, it is located in northern part of Iraq, the basin is composed of three main sub-basins which are: Northern part (Kapran), Central sub-basin and Southern part (Bashtepa) respectively. The total area of three sub-basins are approximately (3,200 km2). The main...

Water quality (WQ) is hugely important for animals, humans, plants, industries, and the environment. In the past few years, the WQ has been compressed by pollution and contamination. Usually, WQ is assessed utilizing costly laboratory and arithmetical processes, making real observation ineffective...

This study aims to determine physicochemical variation of water, diversity, and community structure of bacteria at post-coal mining ponds of various ages located in Samarinda, East Kalimantan, Indonesia. Bacteria species were identified using a metagenomic approach on the Next-Generation Sequencing...

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...

Chitosan-doped zinc oxide nanoparticles (CS-ZnO NPs) were meticulously fabricated using the sol-gel methodology. The CS-ZnO NPs underwent comprehensive analytical assessments, employing advanced techniques, encompassing X-ray diffraction (XRD), scanning electron microscopy (SEM), UV visible (UV-Vis)...

The purpose of soil hydraulic conductivity is to retain soil water contents, and soil water pressure. In this study investigates two different methods to understand the soil hydraulic conductivity of loam and clay soils. The present research conducted a laboratory experiment to measure the saturated...

Numerous industrial processes, including petroleum refining, food production, car washes, leather manufacturing, and slaughter houses, generate significant volumes of wastewater due to their substantial water consumption during processing. The presence of oily wastewater has detrimental effects on...

Biogas is globally recognized as a crucial source of renewable energy. After undergoing proper treatment, the purified form of biogas, known as "biomethane", has the potential to be injected into existing natural gas infrastructure or compressed for use as a vehicle fuel. The principal pollutants...

Potable water is essential in various aspects of daily life. Converting brackish water to drinkable water using traditional methods is costly and has environmental impacts. Solar energy is preferred over fossil fuels and other energy sources due to its cost and environmental benefits. Solar stills...

The purpose of this study is to anticipate and investigate the groundwater quality in the regions of the Cauvery basin. In the post-monsoon season of 2020, 800 samples were collected from 200 different places for this paper. The AlexNet model is used in this book to forecast the water quality. In...

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)...

In response to the growing demand for eco-friendly and efficient catalysts in wastewater treatment, this study introduces a novel, biosynthesized silver nanoparticle (AgNP) using leaf extract from Lawsonia inermis, a widely available plant. We employed a unique concentration mixture of 0.015 mg/mL...

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...

The photocatalytic oxidation of organic and petroleum wastewater treatment is an advanced oxidation process (AOP) with several benefits. It operates at normal temperatures and pressure, is inexpensive, does not produce secondary waste, and us easily accessible. Many studies have employed bubble...

Treatment of tannery effluent is a key issue that requires novel research. The presented work is an attempt to carry out advanced oxidation process in a Multi-orifice Oscillatory Baffled Column using ozone as oxidizer and compare the extent of treatment with sono-catalytic treatment with TiO2 as...

To conduct this experiment, rhizospheric bacteria were isolated from the root nodules of alfalfa ‎plants (Medicago sativa) in the Khuzestan province during the spring season. For the molecular ‎identification of superior isolates, DNA extraction and expression of 16S rDNA were performed. ‎To...

Water is an essential elixir for several living organisms to function and survive. But it gets contaminated through several sources such as industrial wastes, oil spills, marine dumping, etc. With a growing population, availability of good quality water is of grave importance. This has become the...

The study addresses the critical issue of water scarcity in agriculture, which causes significant losses by disrupting plant-water connections and increasing oxidative damage to biological components. In this study, we evaluated the synergistic potential of pre-isolated and identified...

Biochar shows substantial potential to contribute as a globally applicable adsorbent to decontaminate the water system due to the ample availability of feedstocks and valuable physio-chemical surface properties. This review aims to highlight the modification technologies of biochar, the alteration...

Streamflow of the Murray River (MR) was investigated from 1978 to 2017, using statistical analysis based on Indian Ocean modes of variability. During the cool season, June to August (JJA), observations and reanalysis products have been used to analyse the relation of streamflow of MR with Indian...

As a widely used construction material, concrete is an ideal substrate for environmental functional materials. However, ordinary concrete lacks pollution resistance. When exposed to the natural environment, it is easily susceptible to microbial growth or organic contamination. Therefore, it is...

Over the past few decades, pharmaceuticals have contaminated the marine ecosystem. The entry of prescription medications into the environment, their underlying causes and problems, and effective methods for treating such contaminated water are all evaluated in this study. Adsorption is becoming a...

This study synthesizes selenium nanoparticles (Se NPs) using a green approach, utilizing Tectona grandis leaf extract in a hydrothermal method. The X-ray diffraction (XRD) analysis provided highly crystalline particles with a trigonal crystal structure, indicative of the well-defined nature of the...

Increased water conductivity levels have been proposed as a key factor to explain the occurrence of teratological forms in freshwater diatom assemblages. The current study aimed to carry out an experiment on a laboratory scale to assess the response of periphytic diatoms to artificially increased...

Cyanide compounds are widely used in some electroplating, chemical and metallurgical industries. They are often found in their liquid discharges. This work highlights the performance of an activated alumina-supported copper catalyst in the removal of cyanide by oxidation with hydrogen peroxide in...

In order to analyze the spatiotemporal change characteristics of regional flood disaster, analyze the main change characteristics and hydrological response of precipitation distribution in Guangxi, and improve the comprehensive utilization efficiency of water resources, this paper introduces the k...

This research was conducted to isolation, screening, identification, and culture conditions optimization (pH, temperature, thiosulfate concentration, and incubation period) of potential sulfur-oxidizing bacterial (SOB) to reduce sulfur concentrations in post-coal mining ponds water of various ages...

Formaldehyde is one of the typical indoor pollutants causing theprevalence of acute health issues among those residing in indoor environments. Biofiltrationis a commonly adopted technique to treat indoor air pollutants. In this investigation, a biofilter was fabricated and compactly filled with...

A mesoporous activated carbon was produced from the Azolla Pinnate (AP) seaweed by two-step chemical activation technique using sulphuric acid as activating agent. The adsorption of Acid Brown (AB) from aqueous solutions is examined using the produced carbon (AP). The produced activated carbon...

In this paper, based on the factors of treatment process, treatment scale, as well as water quality, the level and distribution of electricity consumption, drug consumption, and indirect carbon emission of five typical wastewater treatment plants (WWTPs) were examined. The distribution of...

The proliferation of environmental pollution, particularly from hazardous industrial dyes, poses a significant threat to ecosystems and aquatic life. This study uses extract from Nerium oleander leaves as a natural capping and reducing agent to produce copper oxide nanoparticles (CuO NPs), an...

The study aimed to analyze the adsorption behaviour of an activated rice husk biochar adsorbent in batch mode to expunge azo dye concentrations depletion from liquid solvents. The biochar adsorbent was formulated using different chemical synthesis processes, and its surface region was assessed using...

The biological synthesis of nanomaterials is drawing immense interest because of their non-hazardous nature and enormous antimicrobial application. In the present study, we explored Polygonatum geminiflorum Decne for phytochemical profiling and biosynthesis of silver nanoparticles to control soft...

Due to the limitations of fossil fuels and the environmental problems associated with their usage, renewable energy sources have been exploited for desalination through the employment of various technologies and mediums. One of the most useful renewable energy sources for solar desalination, both...

To control the use and disposal of products containing nanoparticles and lessen the risks they pose to soil and aquatic ecosystems, it is essential to understand the fate and transport of Al2O3 NPs. The stability, settling, retention, and transport of Al2O3 NPs in aqueous environments and saturated...

Due to its cost-effectiveness and absence of secondary pollution, the biological approach for eradicating chloride pollution has attracted widespread interest. However, numerous obstacles, including the limited presence of degrading microbes and a substantial impact from environmental variables...

The effect of temperature on the adsorption of U-232 and Am-241 by PN6 has been investigated in laboratory and environmental water samples (e.g. seawater and waste water) in the picomolar concentration range. Generally, increasing temperature favors radionuclide adsorption, indicating that...

The greener approach offers a viable, sustainable and eco-friendly way to synthesize nanoparticles. This study used the seed extract of Vigna stipulacea (VS) as a bioreducing agent to synthesize iron nanoparticles (VS-Fe). The VS seed extract contains polyphenols and lignin content that acted as a...

To well understand the eutrophication process for inland lakes where more lands had been used for agriculture and industry without adequate environmental protections, 9 surface sediments and 1 core sediment in Lake Xian’nv which was located in the middle of Jiangxi Province were chosen. Combined...

This study aimed to evaluate the pollution level of Ni, Pb, Cd, V, and Hg in the sediments of Musa Estuary and its four main tributaries namely Majidieh, Zangi, Semaili, and Merimos (collectively known as Mahshahr estuaries) in summer and winter 2019 using sediment quality indices. In each tributary...

In this research, we provide a method for synthesizing ZnO nanoparticles using Moringa Oleifera Leaf (M.O Leaf) Extract. UV-VIS Spectroscopy, Scanning Electron Microscopy, EDS, X-ray diffraction and Fourier Transform Infrared Spectroscopy (FTIR) were used to create and characterize ZnO nanoparticles...

This current, comprehensive study of the literature provides a full review of recent developments in a variety of various kinds of solar stills. This review looks at studies on double-slope, hybrid solar stills, single-slope, with a condenser unit, and other particular types of solar stills. To make...

In this study, coconut shell biosorbent was synthesized through chemical processes and activated using concentrated sulfuric acid to serve as an organic adsorbent for the effective removal of dye molecules, particularly Crystal Violet (CV) and Methylene Blue (MB), from wastewater. The biosorbent's...

In this research, a simple method for the preparation of Fe3O4 nanoparticles (Fe3O4NPs) with an average size of 38.05 nm via co-precipitation was investigated. X-ray diffraction (DRX), scanning electron microscopy (SEM), and infrared spectroscopy (FT-IR) were used to characterize obtained Fe3O4...

Jordan is one of the few countries with constricted water resources, having one of the lowest per capita water levels in the world (Ministry of Agriculture, 2015). Jordan's available water resources per person are predicted to fall from less than 160 m3/capita/year to roughly 90 m3/capita/year by...