Journal of Environmental Engineering: Recent submissions
Now showing items 601-620 of 6477
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Effects of Organic-Matter-Induced Short-Term Stresses on Performance and Population Dynamics of Anammox Systems
(ASCE, 10/1/2020 )To investigate the effects of different types and concentrations of organic matter on anaerobic ammonium oxidation (anammox), the effects of short-term stresses induced by organic matter on anammox-based nitrogen removal ... -
Blending as a Strategy for Reusing Municipal Solid Waste Incinerator Ash in Road-Base Construction
(ASCE, 9/1/2020 1)Bottom and combined ash samples from municipal solid waste incinerator (MSWI) facilities in Florida were compared with industry aggregate standards to determine suitability for use as a road base. Although MSWI ashes tested ... -
Digestion Properties of Intracellular Polymers and Extracellular Polymeric Substances and Influences of Extracellular Polymeric Substances on Anaerobic Digestion of Sludge
(ASCE, 10/1/2020 )Anaerobic digestion is a method adopted to treat sludge, but its effectiveness is limited by the existence of extracellular polymeric substances (EPSs). For the first time, this study separated sludge into intracellular ... -
Source Identification of Nutrient Impairment in North Biscayne Bay, Florida, USA
(ASCE, 9/1/2020 1)The limiting nutrient in North Biscayne Bay identified using the Redfield ratio does not correspond to a significant quantitative relation between measured concentrations of the identified nutrient and chlorophyll a. ... -
Simultaneous Production of Lipases and Biosurfactants in Solid-State Fermentation and Use in Bioremediation
(ASCE, 9/1/2020 1)This study investigated the simultaneous production of lipases and biosurfactants and the use of culture media containing biocompounds (without precipitation and purification processes) in the bioremediation of contaminated ... -
Coupled Adsorption and Electrochemical Process for Copper Recovery from Wastewater Using Grapefruit Peel
(ASCE, 9/1/2020 1)The recovery of copper by-products from wastewater was achieved by carrying out an adsorption process coupled with an electrochemical system using modified grapefruit peels for metal recovery in a continuous flow. The ... -
Simultaneous Removal of NO and SO2 with a Novel Oxidation-Absorption Process Based on Air Microbubble Water System
(ASCE, 9/1/2020 1)Microbubbles (MBs) can spontaneously generate hydroxyl radicals (·OH) with high oxidizing capacity. In this study, a novel oxidation-absorption process based on a microbubble system in the indirect removal mode was proposed ... -
Effect of Graphene Oxide on the Ammonia Removal and Bacterial Community in a Simulated Wastewater Treatment Process
(ASCE, 9/1/2020 1)Potential environmental risks posed by graphene oxide (GO) should be evaluated. Wastewater treatment plants will be one of the last barriers for GO wastes. Hence, this study investigated the effects of GO on ammonia removal ... -
Estimating the Effect of Magnetite on Nitrogen and Phosphorus Removal Using Intervention Analysis
(ASCE, 9/1/2020 1)This study investigated the effectiveness of magnetite as ballast material through a technology called BioMag in nitrogen and phosphorus removal and in processing peak flows at a wastewater treatment plant using data from ... -
Volatile Fatty Acid Production Using Heat-Treated Potato Starch: Impact of Hydraulic Retention Time
(ASCE, 10/1/2020 )Potato starch was thermally pretreated and the effect of its solubilization on the production of volatile fatty acids (VFA) using mesophilic anaerobic digestion was investigated in this study. Potato starch with three ... -
Demonstration Research on the Combined Technology of Aeration and Biofilm in the In Situ Treatment of Black Smelly Water
(ASCE, 11/1/2020 )This test represents a water quality improvement exemplary project in relation to a tributary section of the Maozhou River located within the Bao’an District, Shenzhen, China. It uses in situ pollution control, aeration, ... -
Pilot-Scale Treatment of Neutral Pharmaceuticals in Municipal Wastewater Using Reverse Osmosis and Ozonation
(ASCE, 11/1/2020 )Pharmaceutically active compounds (PhACs) reaching surface waters through municipal wastewater are a concern, as existing treatment processes poorly remove them. While significant lab-scale evaluations have been performed ... -
High Catalytic Activity and N2 Selectivity on Catalytic Denitrification by Fe0 and Bimetallic Catalyst
(ASCE, 9/1/2020 1)This research focused on the improvement of catalytic activity and N2 selectivity in catalytic denitrification by zero-valent iron (Fe0) and bimetallic catalyst. Analysis of optimal operating conditions indicated that ... -
Development of Shale Gas in China and Treatment Options for Wastewater Produced from the Exploitation: Sustainability Lessons from the United States
(ASCE, 9/1/2020 1)Key technological breakthroughs, such as hydraulic fracturing (HF) and horizontal drilling, have facilitated the extraction of shale gas. The boost of the shale gas industry has changed global energy markets and led to a ... -
Changes in Bacterial Communities during a Pilot-Scale Composting Process of Dairy Manure
(ASCE, 9/1/2020 1)The microbial communities involved in the composting of manure remain poorly understood. This study conducted aerobic composting of dairy manure and sawdust. Four 16S rRNA gene clone libraries were constructed from samples ... -
Ammonia Removal from Swine Wastewater by Microwave-Assisted Stripping
(ASCE, 8/1/2020 1)This study detetmined optimal microwave irradiation (MI) conditions for removal of ammonia nitrogen (NH3-N) from swine wastewater. The wastewater was treated using a laboratory-scale industrial microwave unit (2,450-MHz ... -
Comparative Assessment of Microbial-Fuel-Cell Operating Parameters
(ASCE, 9/1/2020 1)In this paper, simultaneous wastewater treatment and power generation of fed-batch microbial fuel cells (MFCs) have been analyzed by introducing a stepwise variation in temperature, pH, and cathodic electrolyte. Different ... -
Proficiency of Few-Layered Graphene Oxide Nanosheets as Promising Sorbents for Dye Pollution Management
(ASCE, 8/1/2020 1)Graphene is an evolving class of carbon nanomaterials whose exceptional adsorption features toward organic compounds have not been well understood. In the current research, a modified Hummers’ technique was adopted to ... -
Removal of Azo Dyes Reactive Brilliant Red X-3B by Zero-Valent Iron Enhanced by a Weak Magnetic Field: Efficiency and Mechanism
(ASCE, 10/1/2020 )The removal kinetics and mechanism of azo dye Reactive Brilliant Red X-3B (X-3B) by a weak magnetic field (WMF)–enhanced zero-valent iron (ZVI) were explored. The results show that the reaction rate of zero-valent iron ... -
Effect of Organic Concentration in the Anode and Cathode on Bioelectricity Generation and Denitrification in a Single-Cathode Three-Anode Microbial Fuel Cell
(ASCE, 8/1/2020 1)An innovative single-cathode three-anode microbial fuel cell (SCTA-MFC) was constructed, using sodium acetate as the anode organic substrate and nitrate as the cathode electron acceptor. It was found that in the case of a ...