Lesley Joseph, PhD, PE
Lexington, South Carolina, United States
849 followers
500+ connections
About
Experienced Water/Wastewater Engineer and Project Manager. Skilled in addressing…
Activity
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🇧🇸 Five years later and the scars of Hurricane Dorian remain 💔 . On this fifth anniversary we remember the lives of those we lost, and the…
🇧🇸 Five years later and the scars of Hurricane Dorian remain 💔 . On this fifth anniversary we remember the lives of those we lost, and the…
Liked by Lesley Joseph, PhD, PE
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I'm excited to share my participation in the poster presentation in the first-ever annual Polar Dialogue jointly organized by the Ministry of…
I'm excited to share my participation in the poster presentation in the first-ever annual Polar Dialogue jointly organized by the Ministry of…
Liked by Lesley Joseph, PhD, PE
Experience
Education
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University of South Carolina
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Dissertation: Removal of heavy metals using novel adsorbent materials
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Specialization in Environmental Process Engineering
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Thesis: Removal of emerging contaminants from water sources using carbon nanotechnology
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Activities and Societies: Engineers Without Borders National Society of Black Engineers (NSBE)
Licenses & Certifications
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Professional Engineer (PE-ENV)
South Carolina Department of Labor, Licensing, and Regulation
IssuedCredential ID 35534
Publications
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Removal of contaminants of emerging concern by metal-organic framework nanoadsorbents: A review
Chemical Engineering Journal
This journal article provides a comprehensive assessment of recent studies on the removal of various CECs (e.g., analgesics, antibiotics, antiepileptics, antiseptics, and etc.) with different physicochemical properties by various MOF-NAs under various water quality conditions (e.g., pH, background ions/ionic strength, natural organic matter, and temperature). In addition, this article briefly discusses the recent literature on the synthesis of MOF-NAs, regeneration of MOF-NAs, and removal of…
This journal article provides a comprehensive assessment of recent studies on the removal of various CECs (e.g., analgesics, antibiotics, antiepileptics, antiseptics, and etc.) with different physicochemical properties by various MOF-NAs under various water quality conditions (e.g., pH, background ions/ionic strength, natural organic matter, and temperature). In addition, this article briefly discusses the recent literature on the synthesis of MOF-NAs, regeneration of MOF-NAs, and removal of CECs during water and wastewater treatment processes.
Other authorsSee publication -
Removal of bisphenol A and 17α ethinyl estradiol by combined coagulation and adsorption using carbon nanomaterials and powdered activated carbon
Separation and Purification Technology
In this study, combined coagulation–adsorption treatment using single-walled carbon nanotubes (SWCNTs), multiwalled carbon nanotubes (MWCNTs), and powdered activated carbon (PAC) was employed for the removal of endocrine disrupting chemicals (EDCs) from various water sources. Bisphenol A (BPA) and 17α-ethinyl estradiol (EE2) were the target EDCs used in this study. Natural surface water (BRW) was obtained from Broad River in Columbia, South Carolina. Synthetic seawater (SW) and brackish water…
In this study, combined coagulation–adsorption treatment using single-walled carbon nanotubes (SWCNTs), multiwalled carbon nanotubes (MWCNTs), and powdered activated carbon (PAC) was employed for the removal of endocrine disrupting chemicals (EDCs) from various water sources. Bisphenol A (BPA) and 17α-ethinyl estradiol (EE2) were the target EDCs used in this study. Natural surface water (BRW) was obtained from Broad River in Columbia, South Carolina. Synthetic seawater (SW) and brackish water (BW) were produced to reflect the typical composition observed in previously published literature. Synthetic landfill leachates were created to replicate the characteristics of leachate produced in young landfills (YLs) and old landfills (OLs).
Other authorsSee publication -
Removal of natural organic matter from potential drinking water sources by combined coagulation and adsorption using carbon nanomaterials
Separation and Purification Technology
In this study, combined coagulation–adsorption treatment using single-walled carbon nanotubes (SWCNTs) and multi-walled carbon nanotubes (MWCNTs) was employed for the removal of natural organic matter (NOM) from various water sources; powdered activated carbon (PAC) was used for comparison. Synthetic seawater and brackish water were produced, with humic acid as the source of NOM. Natural surface water was obtained from Broad River in Columbia, South Carolina. Synthetic landfill leachates were…
In this study, combined coagulation–adsorption treatment using single-walled carbon nanotubes (SWCNTs) and multi-walled carbon nanotubes (MWCNTs) was employed for the removal of natural organic matter (NOM) from various water sources; powdered activated carbon (PAC) was used for comparison. Synthetic seawater and brackish water were produced, with humic acid as the source of NOM. Natural surface water was obtained from Broad River in Columbia, South Carolina. Synthetic landfill leachates were created to reflect the typical characteristics of leachate produced in young and old landfills. Glucose and humic acid were used as the NOM sources for the young and old leachates, respectively. Adsorption isotherm experiments were conducted to determine the adsorption capacity of each carbon nanomaterial, and jar testing was conducted to simulate the combined coagulation–adsorption treatment processes.
Other authorsSee publication -
Adsorption of bisphenol A and 17α-ethinyl estradiol on single walled carbon nanotubes from seawater and brackish water
Desalination
In this study, the adsorption of bisphenol A (BPA) and 17α-ethinyl estradiol (EE2) by single walled carbon nanotubes (SWCNTs) was investigated. Solutions of artificial seawater, brackish water, and a combination of these two waters were prepared, in accordance with previously published composition data.
Other authorsSee publication -
Removal of bisphenol A and 17α-ethinyl estradiol from landfill leachate using single-walled carbon nanotubes
Water Research
In this study, the adsorption of bisphenol A (BPA) and 17α-ethinyl estradiol (EE2) from landfill leachate onto single-walled carbon nanotubes (SWCNTs) was investigated. Different leachate solutions were prepared by altering the pH, ionic strength, and dissolved organic carbon (DOC) in the solutions to mimic the varying water conditions that occur in leachate during the various stages of waste decomposition. The youngest and oldest leachate solutions contained varying DOC and background…
In this study, the adsorption of bisphenol A (BPA) and 17α-ethinyl estradiol (EE2) from landfill leachate onto single-walled carbon nanotubes (SWCNTs) was investigated. Different leachate solutions were prepared by altering the pH, ionic strength, and dissolved organic carbon (DOC) in the solutions to mimic the varying water conditions that occur in leachate during the various stages of waste decomposition. The youngest and oldest leachate solutions contained varying DOC and background chemistry and were represented by leachate Type A (pH = 5.0; DOC = 2500 mg/L; conductivity = 12,500 μS/cm; [Ca2+] = 1200 mg/L; [Mg2+] = 470 mg/L) and Type E (pH = 7.5; DOC = 250 mg/L; conductivity = 3250 μS/cm; [Ca2+] = 60 mg/L; [Mg2+] = 180 mg/L).
Other authorsSee publication -
Removal of micropollutants and NOM in carbon nanotube-UF membrane system from seawater
Water, Science, and Technology
One of the main problems for seawater reverse osmosis desalination is membrane fouling associated with natural organic matter. Bisphenol-A (BPA) and 17alpha-ethinylestradiol (EE2) are well-known endocrine-disrupting compounds that have been detected in wastewater and seawater. In this study, the contribution of carbon nanotubes (CNTs, single-walled carbon nanotubes) to membrane fouling control and the potential adsorption mechanisms of BPA and EE2 were investigated using artificial seawater…
One of the main problems for seawater reverse osmosis desalination is membrane fouling associated with natural organic matter. Bisphenol-A (BPA) and 17alpha-ethinylestradiol (EE2) are well-known endocrine-disrupting compounds that have been detected in wastewater and seawater. In this study, the contribution of carbon nanotubes (CNTs, single-walled carbon nanotubes) to membrane fouling control and the potential adsorption mechanisms of BPA and EE2 were investigated using artificial seawater (ASW) in a bench scale ultrafiltration (UF) membrane coupled with CNTs.
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More activity by Lesley
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🌟 Grateful and Honored! 🌟 I am thrilled to share that I have been awarded the Operator Scholarship from the Water Environment Federation! This…
🌟 Grateful and Honored! 🌟 I am thrilled to share that I have been awarded the Operator Scholarship from the Water Environment Federation! This…
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Why are we being asked to choose between standing with innocent Palestinians in Gaza or innocent Israelis held in captivity? "If your moral compass…
Why are we being asked to choose between standing with innocent Palestinians in Gaza or innocent Israelis held in captivity? "If your moral compass…
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Below is your history lesson for today...
Below is your history lesson for today...
Shared by Lesley Joseph, PhD, PE
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When you wake up to an email that starts with.... "We’re pleased to inform you that your manuscript has been judged scientifically suitable for…
When you wake up to an email that starts with.... "We’re pleased to inform you that your manuscript has been judged scientifically suitable for…
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PhD Students - Here are the top 20 tools for writing research papers. 1. Microsoft Word A widely used word processor that offers a range of…
PhD Students - Here are the top 20 tools for writing research papers. 1. Microsoft Word A widely used word processor that offers a range of…
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THIS JUST IN: This paid opportunity was brought to our attention recently. It’s $10,000 compensation for any community organization to participate.…
THIS JUST IN: This paid opportunity was brought to our attention recently. It’s $10,000 compensation for any community organization to participate.…
Shared by Lesley Joseph, PhD, PE
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📸 Opportunity for all USC students: Get professional headshots taken for FREE this Friday, Aug. 30 from 11 a.m. until 1 p.m. on the Horseshoe! This…
📸 Opportunity for all USC students: Get professional headshots taken for FREE this Friday, Aug. 30 from 11 a.m. until 1 p.m. on the Horseshoe! This…
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