Journal of Environmental Engineering: Recent submissions
Now showing items 961-980 of 6477
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Bi-Objective Optimization through Pareto Frontier Analysis and Artificial Neural Network for Adsorptive Removal of Fluoride by a Novel Al/Olivine Composite
(American Society of Civil Engineers, 2018)A new model for the bi-objective optimization of the removal efficiency and adsorption capacity was developed through an artificial neural network (ANN) and Pareto frontier analysis for the adsorptive removal of fluoride. ... -
Influence of Atmospheric Deposition and Roof Materials on Harvested Rainwater Quality
(American Society of Civil Engineers, 2018)Rainwater harvesting has been made mandatory in some of the metropolitan cities in India, such as New Delhi, Ahmedabad, Bengaluru, Hyderabad, and Chennai, to meet the pressing demand for water. This study assesses the ... -
Evaluating Reuse of Alum Sludge as Coagulant for Tertiary Wastewater Treatment
(American Society of Civil Engineers, 2018)Ultrafiltration (UF) membrane processes have become an established technology in the treatment and reuse of secondary effluents from sewage treatment plants. However, without pretreatment, secondary-treated wastewater ... -
Effects of Operating Pressure on Granular Sludge Flotation Mechanism Inside an Anaerobic Upflow Reactor
(American Society of Civil Engineers, 2018)This research utilized computational fluid dynamic simulations to evaluate the effect of the headspace pressure on the granular sludge flotation, using an operating anaerobic upflow reactor (AUR) at a cassava starch factory ... -
Sorption of Human Adenovirus to Wastewater Solids
(American Society of Civil Engineers, 2018)This paper explores sorption of human adenovirus 4 (HAdV4) to wastewater solids in primary and secondary sludge samples. To measure kinetics and isotherms of adsorption, serial dilutions of HAdV4 (15–19 GC/mL) are mixed ... -
Sustainable Struvite Control Using Carbon Dioxide
(American Society of Civil Engineers, 2018)Struvite (MgNH4PO4·6H2O) scaling in wastewater treatment plants causes significant processing issues. Struvite formation can be controlled by acid addition since struvite solubility increases as pH decreases. Carbon dioxide ... -
Toxicological Profile of 1,4-Benzoquinone and Its Degradation By-Products during Electro-Fenton, Electrocoagulation, and Electrosynthesized Fe(VI) Oxidation
(American Society of Civil Engineers, 2018)This paper reports on the degradation of 1,4-benzoquinone (1,4-BQ) and its toxic behaviors in association with the formation of degradation by-products during electro-Fenton (EF), electrocoagulation (EC), and electrosynthesized ... -
Accumulators for the Capture of Heavy Metals in Thermal Conversion Systems
(American Society of Civil Engineers, 2018)A clay ceramic with organic additives (biomass and biochar) was investigated for the development of highly porous accumulators to capture heavy metals in thermal conversion systems. The structure was characterized using ... -
Removal Mechanisms of Contaminants in Ceramic Water Filters
(American Society of Civil Engineers, 2018)In this paper, the removal mechanisms of organic (e.g., nitrate) and inorganic (e.g., lead) contaminants were investigated in ceramic water filters with organic (i.e., activated carbon) and inorganic ... -
Development of a Rapid Response Riverine Oil–Particle Aggregate Formation, Transport, and Fate Model
(American Society of Civil Engineers, 2018)The aftermath of the Kalamazoo River oil spill in 21, which resulted in years of cleanup efforts, showed that research needs to be done regarding oil–particle aggregate (OPA) formation and transport in riverine environments. ... -
Turbidity Mitigation in an Oil Sands Pit Lake through pH Reduction and Fresh Water Addition
(American Society of Civil Engineers, 2018)Currently, tailings ponds are used to contain oil sands process-affected water (OSPW) and fluid fine tailings (FFT) generated from the Alberta oil sands mining operations. In 216, the government of Alberta introduced a ... -
Reviewers
(American Society of Civil Engineers, 2018) -
Chemical Treatment to Reduce Turbidity in Pumped Construction Site Water
(American Society of Civil Engineers, 2018)Many construction projects need to pump turbid water from borrow pits or other excavations into stilling basins or sediment filter bags prior to discharge. This study evaluated the effectiveness of these devices with ... -
Feasibility Study on the Removal of Perfluorooctanoic Acid by Using Palladium-Doped Nanoscale Zerovalent Iron
(American Society of Civil Engineers, 2018)Perfluorinated chemicals (PFCs) are highly persistent organic contaminants that have become a global health concern. Few studies so far have demonstrated successful decomposition of PFCs under ambient condition. As a result, ... -
Hydroxyapatite Ceramic Adsorbents: Effect of Pore Size, Regeneration, and Selectivity for Fluoride
(American Society of Civil Engineers, 2018)Fluoride uptake by porous hydroxyapatite ceramics is investigated through batch adsorption studies to determine the effect of varying the size of hydroxyapatite grains and pore size. It is found that ceramics made from ... -
Removal of Heavy Metals in Vegetative Graywater Biofiltration Columns
(American Society of Civil Engineers, 2018)This study investigates the performance of laboratory-scale vegetative biofiltration systems in reducing five heavy metals [cadmium (Cd), chromium (Cr), copper (Cu), lead (Pb), and zinc (Zn)] from synthetic graywater. ... -
Comparing the Effect of C, N, and P Factors on Photosynthesis, Biomass, and Lipid Production in Chlorella sp.
(American Society of Civil Engineers, 2018)Microalgae can be used as a promising biofuel material that offers a high amount of lipid production and fast growth rate. Nutrient compositions and concentrations are important factors related to the lipid production and ... -
Modeling NO and SO2 Oxidation by H2O2 in Coal-Fired Flue Gas
(American Society of Civil Engineers, 2018)NO and SO2 oxidization by H2O2 in coal-fired flue gas was modeled, and the effects of temperature and H2O2 concentration on NO and SO2 oxidization were investigated. The pathways of NO and SO2 oxidization were as follows: ... -
Competent Heavy Metal Adsorption by Modified MWCNTs and Optimization Process by Experimental Design
(American Society of Civil Engineers, 2018)In this research, carboxylated multiwalled carbon nanotubes (c-MWCNTs) were improved with 5-amino-3-(2-thienyl) pyrazole (p-MWCNTs) for adsorption of Cd2+ and As3+ from aqueous solutions. Field emission scanning electron ... -
Effect of Hydraulic Retention Time on Treatment Performance in an Anoxic/Oxic Electro-Membrane Bioreactor
(American Society of Civil Engineers, 2018)Bacterial profile, nutrients removal performance, and membrane fouling behavior were evaluated in an anoxic/oxic electro-membrane bioreactor (A/O e-MBR) treating municipal wastewater at different hydraulic retention times ...