Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 30 for “"PPCPs"”.
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Enzymatic treatment of pharmaceuticals and personal care products (PPCPs) in municipal wastewater
… pharmaceuticals and personal care products (PPCPs). As a result, PPCPs enter the environment via treated wastewater discharge. Enzymatic treatment, using the laccasemediator system, is a novel biochemical process that has been shown to effectively treat some PPCPs. This study investigates the …
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Ozone and biofiltration as an alternative to reverse osmosis for removing PPCPs and EDCs from wastewater
… of pharmaceuticals and personal care products (PPCPs) and endocrine disrupting compounds (EDCs) in drinking water supplies. Current water and wastewater treatment techniques, such as coagulation, flocculation, and sedimentation for water treatment and the conventional activated sludge process …
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CYTO-GENOTOXIC EFFECTS OF SOME PHARMACEUTICAL AND PERSONAL CARE PRODUCTS (PPCPS) ON THE FRESHWATER BIVALVE ZEBRA MUSSEL (DREISSENA POLYMORPHA)
Pharmaceutical and personal care products (PPCPs) are an emerging class of environmental pollutants that are extensively and increasingly being used in human and veterinary medicine. Due to their continuous production, consumption and often abuse, many studies have shown worldwide measurable …
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Biodegradation and Chemical Oxidation of Recalcitrant Organic Contaminants during Water Reuse
… Pharmaceuticals and personal care products (PPCPs) are one example of trace contaminants that are usually found in treated municipal wastewater. Batch biodegradations studies were performed to measure the degradation of selected PPCPs in water-soil systems. The selected PPCPs analyzed in this …
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The effects of low-level pharmaceuticals on stream biofilm structure and function across a land-use gradient in streams of the Huron River watershed
<p>Pharmaceuticals and personal care products (PPCPs) are a contaminant class of worldwide concern. Their environmental omnipresence indicates they may be a potential source of global change, and ecosystem-scale impacts at non-lethal levels have not been fully explored. We used stream biofilms to …
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Deactivation and regeneration of immobilized titanium dioxide photocatalysts during treatment of pharmaceutical micropollutants in groundwater
… many pharmaceuticals and personal care products (PPCPs). Many of these chemicals are recalcitrant to conventional treatment processes, so new treatment methods are being investigated. Titanium dioxide (TiO2)-based photocatalytic treatment has proven to be an effective method for degrading trace …
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The Chlorination of Pharmaceuticals and Other Phenolic Compounds in the Presence of Iodide
Pharmaceuticals and personal care products (PPCPs) include a wide range of chemicals such as prescription and over-the-counter drugs, fragrances, diagnostic agents, and a litany of other compounds commonly added to household products such as sunscreens, soaps, toothpastes, and deodorants. If …
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Enzymes : the new water/wastewater treatment chemical
Pharmaceuticals and personal care products (PPCPs) are detected routinely in raw and treated municipal wastewater. Conventional wastewater treatment processes are not effective in removing PPCP; therefore, treated wastewater discharges are one of the main entry points for PPCPs into the aquatic …
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An investigation of the structural capacity of the Alabama Department of Transportation’s standard prestressed precast concrete piles
Prestressed precast concrete piles (PPCPs) are commonly used in bridge foundations throughout the southeastern United States. The Alabama Department of Transportation (ALDOT) particularly uses them in the coastal regions in non-cohesive soils and where corrosion would be expected from salt or …
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Determination of Biodegradation Kinetics of Select Pharmaceuticals and Personal Care Products in an Activated Sludge System through Respirometry
… of activated sludge systems for removal of PPCPs. Removing PPCPs from a wastewater prevents harming the health of the environment and living organisms. A respirometry test method was used to measure the kinetic parameters of an activated sludge biomass degrading the pharmaceuticals and …
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Impact of Soil Properties on Removal of Emerging Contaminants from Wastewater Effluent During Soil Aquifer Treatment
… pharmaceuticals and personal care products (PPCPs), and engineering nanomaterials (ENMs). In recent years, it has been determined that elevated levels of emerging contaminants (ECs) are being released into the environment with wastewater effluent. ECs are proven to cause adverse environmental …
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High performance liquid chromatography-tandem mass spectrometry of pharmaceuticals and personal care products in environmental and biological matrices
Pharmaceuticals and personal care products (PPCPs) have emerged in recent years as a new class of chemical and biological pollutants in our environment. In the search for suitably sensitive and specific techniques for detection of these compounds at very low concentrations, liquid …
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Extraction and analysis of pharmaceutical residues in environmental samples using SPE with LC-MS/MS
Pharmaceuticals and personal care products (PPCPs) have recently emerged as a significant new class of organic micro-contaminants. Of recent years a number of reports detailing the presence of PPCPs in a variety of environmental matrices and compartments have been published in the peer-reviewed …
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The effects of Hydroxypropyl-β-Cyclodextrin on the American Flagfish (Jordanella floridae) over one complete life-cycle
… of pharmaceuticals and personal care products (PPCPs) on aquatic ecosystems is an important issue in aquatic toxicology. Many PPCPs have been shown to cause effects on aquatic biota within detected environmental ranges. One compound of particular interest is hydroxylpropyl-β-cyclodextrin …
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Pharmaceuticals removal in soil following wastewater land application
Pharmaceuticals and Personal Care Products (PPCPs) are used worldwide and enter the environment via wastewater treatment system effluent discharges. With increasing concern in water reuse, attention is turning to the wastewater resulting in detection of these compounds in several environmental …
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Use of Biochar to Produce Reclaimed Water for Irrigation Reuse Purposes
… pharmaceutical and personal care products (PPCPs) are not removed well during conventional wastewater treatment and hence pose water quality risk to the environment and potentially to public health. The goal of this work was to remove CECs, with emphasis on PPCPs, from treated municipal …
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Analysis and Treatment of Emerging Polar Contaminants
… Pharmaceuticals and personal care products (PPCPs) enter water through wastewater streams, and many of these compounds survive current wastewater treatment processes. High production volume chemicals (HPVCs), defined as chemicals produced in excess of one million pounds per year have numerous …
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Role of the private sector in providing sanitation services to the poor in India
… Public Private Community Partnerships (PPCPs) models. Selected elements from the global learnings are then modified to situate the learnings in Indian experiences. The key idea of this paper is not to prescribe any specific methods of functioning but to lay out different models and …
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The Removal of Pharmaceuticals from Wastewater by Wet-Air Oxidation
… of pharmaceuticals and personal care products (PPCPs) in aquatic environments has raised concerns about potential adverse effects on aquatic ecology and human health. Certain pharmaceuticals have recently become a major focus of research to better understand the routes and persistence of these …
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Onsite Remediation of Pharmaceuticals and Personal Care Products in Domestic Wastewater using Alternative Systems Including Constructed Wetlands
Pharmaceuticals, personal care products (PPCPs) and other trace organic contaminants (TOrCs) encompass a diverse group of chemicals that are not currently monitored or regulated in US drinking water or wastewater. Researchers have found low levels of TOrCs in aquatic and terrestrial environments …
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