Journal of Environmental Engineering: Recent submissions
Now showing items 741-760 of 6477
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Spongy Crosslinked Branched Polyethylenimine-Grafted Dithiocarbamate: Highly Efficient Heavy Metal Ion–Adsorbing Material
(ASCE, 2020)To remove heavy metals from polluted water efficiently and cost-effectively is a big challenge. This paper reports on a spongy crosslinked branched polyethylenimine-grafted dithiocarbamate (CBP-G-D) adsorbing material, ... -
Continuous Fixed-Bed Adsorption of Heavy Metals Using Biodegradable Adsorbent: Modeling and Experimental Study
(ASCE, 2020)In this study, a continuous fixed-bed column was investigated for heavy metal removal using modified wheat bran as adsorbent. Clay and chitosan were used as binders with the adsorbent to prepare adsorbent pellets in a 1∶1∶3 ... -
Inactivation of MS2 Bacteriophage and Adenovirus with Silver and Copper in Solution and Embedded in Ceramic Water Filters
(ASCE, 2020)This study investigates the inactivation of adenovirus by silver and copper in aqueous solution, compares silver and copper disinfection of adenovirus to the MS2 phage, and quantifies MS2 transport through porous ceramic ... -
Microbial Functional Diversity as Affected by Different Engineered Eco-Restoration Methods at Xiangjiaba Hydropower Station
(ASCE, 2020)To select and improve techniques capable of eco-restoration and reconstruction of soils, it is vital to determine the impacts of different engineered eco-restoration techniques on communities of soil microbes. For this ... -
Organic and Nitrogenated Substrates Utilization Rate Model Validating in Sequential Batch Reactor
(ASCE, 2020)In this paper, the validation of models for the organic and nitrogenated substrates utilization rate (SUR) in a sequential batch reactor (SBR) are proposed. The treatments tested are (1) Treatment 1: oxic, cycle ... -
Removal Kinetics of Chromium by Nano-Magnetite in Different Environments of Groundwater
(ASCE, 2020)Chromium (Cr) is a toxic contaminant and ubiquitously present in the environment. This study was conducted to investigate the removal of Cr by nano-magnetite (nano-Fe3O4) in different biogeochemical environments of ... -
Predicting Environmental Impact of Hazardous Liquid Pipeline Accidents: Application of Intelligent Systems
(ASCE, 2020)In case of failure, hazardous liquid pipelines can have adverse environmental consequences. This study presents a method to predict the occurrence of certain environmental impacts resulting from hazardous liquid pipeline ... -
Operational Evaluation of Pilot-Scale Side-Line Treatment Based on Microbial Population and Activity
(ASCE, 2020)A pilot-scale study conducted in a municipal wastewater treatment plant (WWTP) for short-cut biological nitrogen removal (SBNR) from anaerobic reject water (ARW) was evaluated based on the microbial population and activity ... -
Mathematical Modeling and Analysis of Wastewater Treatment Plant Using the Cannibal Process
(ASCE, 2020)The Combined Activated Sludge Anaerobic Digestion Model (CASADM) was configured to represent the operational results of a full-scale Cannibal wastewater treatment plant that operated over a 2-year period and had a net ... -
Minicolumn Test of Remaining GAC Performance for Taste and Odor Removal: Theoretical Analysis
(ASCE, 2020)In drinking water treatment, it is difficult to predict the remaining service life of a partially spent granular activated carbon bed when contaminants are intermittent, such as taste and odor-causing compounds. A ... -
Baseline Mass-Transfer Coefficient and Interpretation of Nonsteady State Submerged Bubble-Oxygen Transfer Data
(ASCE, 2020)Numerous testing of data reported in the relevant scientific literature widely available to the public has led to the discovery of several physical mathematical models in nature applicable to the subject of oxygenation in ... -
Fixed-Bed Adsorption Comparisons of Bone Char and Activated Alumina for the Removal of Fluoride from Drinking Water
(ASCE, 2020)Fluoride is commonly found at elevated concentrations in groundwaters worldwide and is difficult to remove even with activated alumina (AA) adsorption, the best available technology. Consequently, alternative treatment ... -
Phosphorus and Cyanobacteria Precipitation and Sediment Capping in Lake Water Using Alum and Natural Minerals
(ASCE, 2020)The objective of this study was to evaluate the use of natural minerals to enhance the precipitation of phosphorus and cyanobacteria during alum coagulation, and to reduce phosphate release during sediment capping in ... -
Modeling Annual Particulate Matter Separation and Washout by Unit Operations with CFD
(ASCE, 2020)Computational fluid dynamics (CFD) is a tool to simulate the coupled hydrodynamics and particulate matter (PM) fate in unit operations (UOs) subject to transient rainfall-runoff events. Most frequently, CFD is applied for ... -
Undulating Multislit Impactor in Ultrahigh-Volume Aerosol Sampler to Reduce Filter Clogging
(ASCE, 2020)Ultrahigh-volume samplers with a flow rate of approximately 500 m3/h are widely used for atmospheric radionuclide monitoring. These samplers are often shut down during heavy particulate pollution due to filter clogging. ... -
Viral Surrogates in Potable Reuse Applications: Evaluation of a Membrane Bioreactor and Full Advanced Treatment
(ASCE, 2020)This study employed quantitative polymerase chain reaction (qPCR) to evaluate the occurrence and removal of five microbial surrogates at two water reuse facilities. The surrogates were (1) the 16S rRNA gene; (2) the ... -
Evaluating Hydraulic Habitat Suitability of Filamentous Algae Using an Unmanned Aerial Vehicle and Acoustic Doppler Current Profiler
(ASCE, 2020)The hydraulic habitat preference of the nuisance benthic alga Cladophora glomerata was investigated in a shallow river using an unmanned aerial vehicle (UAV) and acoustic Doppler current profiler (ADCP). Three separate ... -
Correlation of Physicochemical Characteristics of CoOx Supported by a CeO2 Nanorod with NO Removal by CO
(ASCE, 2020)In this study, cobalt oxides were loaded on a CeO2 nanorod and synthesized using a hydrothermal method and wet impregnation to reduce nitrogen monoxide (NO) by carbon monoxide (CO). A series of catalysts were characterized ... -
Artificial Intelligence–Based Optimization of Reverse Osmosis Systems Operation Performance
(ASCE, 2020)In recent years, reverse osmosis (RO) systems have been highly utilized in industrial processes. One of the most important operational issues of these systems is membrane fouling, which leads to high operating costs and ... -
Thermoecologic Assessment and Life Cycle–Based Environmental Pollution Cost Analysis of Microgas Turbine
(ASCE, 2020)Increasing global warming concerns are compelling humanity to find alternative fuels to fossil fuels. Ammonia, with its carbon-free structure, can be combusted to produce only water and nitrogen. This study includes exergy ...