Water and wastewater treatment and reuse
The amount and properties of the sludge produced in wastewater treatment plants depend on the composition of the wastewater, the type of wastewater treatment used and the disposal method applied to the mud. The sludge that occurs during mechanical, biological and chemical treatment methods must be...
Sustainable Energy
In the domain of solar science, a pyranometer assumes a pivotal position, functioning as an indispensable tool for appraising solar irradiance across the abbreviated wavelengths of the solar spectrum, spanning from 300 to 3000 nanometers. Conventional pyranometers typically employ intricate and...
Sustainable Energy
The quest for efficient, sustainable solar energy solutions has propelled the exploration of novel materials with enhanced photovoltaic properties. This study delves into the synthesis, characterization, and photovoltaic application of cobalt-doped lead sulfide (PbCoS) quantum dots (QDs) deposited...
Water and wastewater treatment and reuse
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...
Water and wastewater treatment and reuse
Depletion of ozone molecules in the stratospheric layer surges the flow of ultraviolet (UV) rays on the surface of the earth. Generally, UV rays are the hazardous energy waves emitted from the sun that can cause acute and chronic effects on bio species. Exposure to UV rays in humans causes skin...
Water and wastewater treatment and reuse
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...
Water and wastewater treatment and reuse
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...
Circular Economy and Bioeconomy
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...
Water and wastewater treatment and reuse
Water, a scarce resource that is necessary for the survival of all life on Earth and also for economic, environmental sustainability, and social progress, is becoming increasingly difficult to come by. Recent research analysis revealed that reflector, absorber, and evaporator were the three distinct...
Hydrology and Water Resources Management
Wastewater treatment plants (WWTPs) consume large amounts of energy and thus cause an increase in carbon footprint. For this reason, it has become important not only to meet the discharge criteria in treatment plants, but also to reduce the carbon footprint resulting from treatment processes and...
Water and wastewater treatment and reuse
By using a hybrid solar mineral water production setup to turn sea water into mineral water, this research intends to provide a comprehensive solution to the human need for drinking water. Before feeding seawater into the solar still, it also applies the proper pretreatment. In order to increase the...
Environmental data analysis and modelling
The paper attempts to discover a city's global, direct beam, and diffused solar radiation with the help of known solar radiation of its neighbor(s). Two distinctive architecture have been used to find the solar radiation of a city. In the first architecture, we used single input and a single hidden...
Air pollution and health
This study analyses nighttime (7 p.m. to 6 a.m.) light pollution effects on ground-level ozone production in urban and sub-urban sites in Malaysia. In the absence of solar radiation, no photochemical reaction will occur during nighttime, resulting in zero readings of ground-level ozone (O3). O3 and...
Water and wastewater treatment and reuse
In the current study, three different photo-assisted sources were used to evaluate the photo-Fenton oxidation process for the pollutant degradation of mature landfill leachate. Solar, UV, and LED visible light photo sources were adopted in this Fenton process. Fenton dosages (FeSO4 : H2O2) 1:30, 1.5...
Water and wastewater treatment and reuse
TiO2 is the most effective photocatalyst but it has low adsorption in the visible region. Many efforts have been done to improve its photocatalytic activity in the solar region. In this study we use Mo-oxy species supported on titania surface since it is well known that titania surface can dispersed...
General
This essay deals with the prospects of supplying humanity with energy in the twenty-first century. The gradual replacement of fossil fuels by green electricity, hydrogen and biofuels is examined in the context of deteriorating climate change and the ongoing depletion of fossil fuels. The production...
General
(E)-2-((pyren-1-ylmethylene)amino)phenol (3) containing pyrene linked through an imine bond to a phenol unit was synthesized and its Fe-complex 4 was prepared. The complex 4 is characterized by infrared (IR), x-ray diffraction (XRD) and UV-Vis spectroscopy techniques. The synthesized complex was...
Air pollution and health
The present study simulates the flow and temperature fields in a street canyon caused by solar heating of road and building surfaces, in either calm and weak wind conditions. Six scenarios, formed by changing the sources of heat fluxes, the wind speed (0, 1 and 3 m s^-1) and direction (±), are...
Protection and restoration of the environment
Reference evapotranspiration (ETo) is an important component in water resources, agricultural and environmental modeling, thus its assessment is critical in understanding the impacts of climate change on the sector of agriculture. In this study, the effect of climate change on reference...
Water and wastewater treatment and reuse
The aim of this study is to investigate the performance of solar photo-catalyst of titanium oxide (TiO2/Solar) process to treat rainwater. The polycyclic aromatic hydrocarbons (PAHs) and organochlorine pesticides (OCPs) in rainwater were chosen to be investigated in this study. The rainwater...
Water and wastewater treatment and reuse
The aim of this study is to investigate the performance of the solar photocatalyst of TiO2/ZnO/Fenton process to treat the refinery wastewater and remove inorganic carbon (IC) which potentially toxic to human, aquatic and microorganism life. Central composite design with response surface methodology...
Environmental Sciences
The method of Levenberg-Marquardt learning algorithm was investigated for estimating tropospheric ozone concentration. The Levenberg-Marquardt learning algorithm has 12 input neurons (6 pollutants and 6 meteorological variables), 28 neurons in the hidden layer, and 1 output neuron for the Ozone (O3)...
Water and wastewater treatment and reuse
This study evaluated the effectiveness of solar Photo-Fenton’s technique (H2O2/Fe2+/Solar) to treat the refinery wastewater. The experimental data were analyzed using the first and second-order kinetic models. The results clearly indicated that the pseudo-second-order models gave better prediction...
Water and wastewater treatment and reuse
The aim of this study is to investigate the performance of solar photo-Fenton process (H2O2/Fe2+/Solar) to treat petroleum wastewater from Sohar oil Refinery, Oman. The effect of operating conditions such as pH, reaction time, Fenton ratio, and Fenton reagent concentrations are investigated. The...
Water and wastewater treatment and reuse
The present study was conducted to compare the performance of different solar photocatalytic processes (TiO 2 photocatalysis, photo-Fenton, photo-Fenton coupled with TiO 2 photocatalysis, and photo-Fenton coupled with TiO 2/ZnO photocatalysis) for the treatment of petroleum wastewater. The removal...