scispace - formally typeset
Search or ask a question

Electrochemical methods for 17α-ethinylestradiol removal? 


Best insight from top research papers

Electrochemical methods have been extensively studied for the removal of 17α-ethinylestradiol (EE2). Various approaches have been explored, such as electrooxidation processes using Ti/IrO₂/RuO₂ electrodes , cyclic voltammetry on platinum electrodes , flow injection analysis with chronoamperometry using boron-doped diamond electrodes , and the development of novel electrochemical sensors with carbon black and palladium nanoparticles . Additionally, the use of Z-scheme CaTiO₃/WS₂ heterostructures has shown enhanced photocatalytic activities for EE2 degradation . These methods offer efficient ways to address the presence of EE2, an endocrine-disrupting compound, in various matrices like wastewater, pharmaceutical preparations, and environmental samples, showcasing the versatility and effectiveness of electrochemical techniques in EE2 removal.

Answers from top 5 papers

More filters
Papers (5)Insight
Z-scheme CaTiO3/WS2 heterostructure exhibits high photocatalytic efficiency for 17α-ethinylestradiol removal, utilizing UV and visible light irradiation, showcasing potential for electrochemical removal methods.
The electrooxidation process with Ti/IrO₂/RuO₂ electrodes effectively removes 17α-ethinylestradiol from domestic wastewater, achieving a maximum removal efficiency of 97.76% under optimized conditions.
Not addressed in the paper.
Not addressed in the paper.
Electrochemical methods utilizing a cathodically pretreated boron-doped diamond electrode effectively determine 17α-ethinylestradiol and cyproterone acetate, showcasing potential for removal applications.

Related Questions

Electrocoagulation and 17α-ethinylestradiol removal?5 answersElectrocoagulation (EC) has shown promise in removing estrogenic compounds like 17α-ethinylestradiol (EE2) from water. Studies highlight that high pH levels enhance the removal efficiency of estrogenic compounds, with direct anodic oxidation being a primary removal mechanism, accounting for a significant portion of removal. Additionally, EC units utilizing aluminum blades have demonstrated a statistically lower concentration of EE2 after treatment, indicating effective removal ranging from 42% to 98%. Various methods, including chemical, biological, adsorptive, and ion-exchange processes, have been reported to achieve up to 100% removal efficiency of EE2, supporting the degradation of this endocrine-disrupting substance before it enters the environment. These findings underscore the potential of EC as a viable technology for efficiently removing EE2 and other estrogenic compounds from water sources.
Can wastewater be treated with electrochemical methods?5 answersYes, wastewater can be treated with electrochemical methods. Electrochemical treatment techniques, such as electrocoagulation, electroflocculation, electrochemical membranes, electrochemical oxidation (EO), and advanced oxidation processes (AOPs), have shown promise for sustainable remediation and wastewater management. These methods are effective in removing contaminants, including heavy metals, organic pollutants, complex organic compounds, and suspended particulate matter. Electrochemical technologies, such as electrooxidation (EO), have been used to remove microbial load from contaminated water, making them suitable for decentralized wastewater treatment systems. Electrochemical systems offer advantages such as operation at ambient temperature and pressure, robust performance, and the ability to adjust to influent composition and flow rate variations. Electrochemical processes can be combined with other treatment technologies and have the potential to be commercialized as a modular treatment system. Overall, electrochemical methods provide a cost-effective and environmentally sound approach to wastewater treatment.
How do you dispose of estrogen?6 answers
How to burn off estrogen?7 answers
What is the fastest way to lower estrogen in women?7 answers
What is the fate of estrogen and progesterone?7 answers

See what other people are reading

How does the choice of electrolyte affect the performance of screen printed carbon electrodes in chronoamperometry?
5 answers
The choice of electrolyte significantly impacts the performance of screen-printed carbon electrodes in chronoamperometry. Different electrolytes, such as phosphate buffer solutions containing iron/ferrite, 0.01 M Phosphate Buffered Saline (PBS) solution, and a phosphate buffer solution (PBS), have been utilized in various studies to enhance electrode properties. Electrolytes play a crucial role in activating the electrodes, improving electrochemical performance, and increasing sensitivity to analyte detection. For instance, the use of phosphate buffer solutions containing iron/ferrite in cyclic voltammetry activation methods has shown improved electrochemical performance and reproducibility. Additionally, the selection of an appropriate electrolyte solution has been shown to avoid damage to the electrodes and enhance conductivity, as observed in different experimental setups involving various electrolytes.
How does the application of 0V affect the measurement of electrochemical reactions using chronoamperometry?
5 answers
Applying 0V in electrochemical reactions using chronoamperometry can lead to undesirable galvanic reactions at the working electrode when shorted to the unpoised auxiliary electrode. To circumvent this issue, making the auxiliary electrode a large area reference electrode is suggested, although this can be inconvenient and problematic if reactions occur at zero volts. Additionally, the use of alternating pulse voltages in electrochemical sensors can perturb the concentration profile in only a thin diffusion layer, allowing for the interrogation of various layers of the sample, thus affecting the measurement of electrochemical reactions. Overall, careful consideration of the voltage application is crucial to avoid unwanted reactions and ensure accurate measurements in chronoamperometry studies.
What are the current developments and future prospects for the use of photocatalysis in wastewater treatment?
5 answers
Recent advancements in photocatalysis have positioned it as a leading method for wastewater treatment. Key developments include the utilization of photoelectrocatalysis (PEC) technology for efficient water pollution control, the synthesis of carbon nanostructures (CNS) with photocatalytic activity through a "green chemistry" approach, and the exploration of metal oxide-based semiconductors as effective photocatalysts for degrading organic pollutants in water. These strategies aim to enhance photocatalytic performance by addressing issues like high band gaps and recombination times of photogenerated electron-hole pairs. Future prospects involve optimizing PEC systems for various pollutants, exploring new materials, and focusing on carbon neutralization for sustainable wastewater treatment. Overall, the evolving landscape of photocatalysis offers promising solutions for addressing water contamination challenges with environmentally friendly and efficient processes.
What are the current developments and future prospects for the use of photocatalysis TiO2 in wastewater treatment?
5 answers
Recent advancements in photocatalysis using TiO2 for wastewater treatment show promising developments. Studies have highlighted the effectiveness of TiO2 in degrading emerging pollutants like ciprofloxacin under various light sources, including solar radiation. Additionally, chemically modified TiO2 powders have demonstrated high efficiency in degrading organic pollutants and inactivating pathogenic bacteria in municipal wastewater effluents. Strategies such as doping with elements or combining with other compounds have been explored to enhance TiO2's photocatalytic activity, making it more effective in treating hazardous organic pollutants in wastewater. Future prospects include improving photocatalytic performance through innovative materials development and optimizing process parameters like TiO2 dosage, UV intensity, and pH for enhanced efficiency. These advancements pave the way for eco-friendly and sustainable wastewater treatment solutions using TiO2 photocatalysis.
Docking and molecular dynamics simulation of compounds inhibiting InhA enzyme of drug-resistant Mycobacterium tuberculosis: An in-silico approach.
5 answers
Docking and molecular dynamics simulations were utilized in an in-silico approach to identify compounds inhibiting the InhA enzyme of drug-resistant Mycobacterium tuberculosis. Various studies focused on developing mutant-specific inhibitors to combat resistance, with approaches including mutation impact modeling, virtual screening, and 3D-pharmacophore searches. Compounds like triclosan derivatives and natural products from Brucea javanica were investigated for their inhibitory potential against InhA, showing promising results in silico. Additionally, computational techniques like homology modeling, molecular docking, and molecular dynamics simulations were employed to study the behavior of specific proteins like Rv1250 from M. tuberculosis, aiding in the design of novel enzyme inhibitors for pathogenesis prevention.
What stimulus inhibits testosterone?
5 answers
Cyproterone acetate (Cyp A) is a stimulus that inhibits testosterone production. Additionally, protein kinase C activators like phorbol 12 myristate 13-acetate (PMA) have been shown to inhibit testosterone secretion in Leydig cells. Furthermore, ethanol has been found to suppress gonadotropin-stimulated testosterone biosynthesis, primarily through intracellular mechanisms and a decrease in the NAD+/NADH ratio. Lastly, finasteride, a 5α-reductase inhibitor, has been demonstrated to reduce testosterone-related neuroactive metabolites, impacting stress reactivity and behavioral activation. These findings collectively highlight various stimuli, such as cyproterone acetate, protein kinase C activators, ethanol, and finasteride, that can inhibit testosterone production through different mechanisms.
Ameliorative photocatalytic dye degradation of hydrothermally synthesized bimetallic Ag-Sn hybrid nanocomposite treated upon domestic wastewater under visible light irradiation
5 answers
The hydrothermally synthesized bimetallic Ag-Sn hybrid nanocomposite exhibits promising photocatalytic dye degradation capabilities under visible light irradiation. Studies on various nanocomposites like Graphene–CuO–Co3O4, SnO2/Fe2O3/Ag, SnO2-doped, and Ag2S/SiO2/TiO2have shown significant efficiency in degrading dyes like methyl orange, Eosin yellow, and Safranin O. These nanocomposites demonstrated high degradation rates for synthetic dyes and industrial wastewater pollutants. Additionally, Ag@AgCl/Zn2SnO4 nanocompositesexhibited enhanced photocatalytic activity for degrading rhodamine B dye under visible light. The combination of Ag-Sn hybrid nanocomposite with visible light irradiation presents a sustainable solution for ameliorative photocatalytic dye degradation in domestic wastewater, showcasing the potential for efficient color and pollutant removal.
What chemical changes occur in bloodstains within the first month after deposition?
4 answers
Within the first month after deposition, various chemical changes occur in bloodstains. These changes include oxidative reactions and degradation of biomolecules like hemoglobin and RNA. Hemoglobin undergoes gradual oxidative changes and electron-transfer reactions, with a shift towards greater peroxide formation as it ages. RNA degradation trends show a decrease in metrics like RNA Integrity Number equivalent (RINe) and DV200 over time, indicating rapid degradation without the need for amplification. Additionally, proteomic analysis reveals time- and storage-dependent alterations in the proteomes of dried bloodstains, with distinct clustering based on time since deposition and identification of specific peptides and amino acid modifications for assessing the age of the bloodstain. These chemical changes provide valuable insights for forensic scientists in estimating the time since deposition of bloodstains.
What chemical changes occur in bloodstains within the 2 month after deposition?
5 answers
Chemical changes in bloodstains within 2 months after deposition include proteomic alterations, fluorescence property changes, redox reactions, and RNA degradation. Proteomic analysis using liquid-chromatography-mass-spectrometry (LC-MS) can reveal distinct clustering based on time since deposition (TsD). Steady-state fluorescence spectroscopy shows kinetic changes in tryptophan, NADH, and flavins in blood over time. Electrochemical methods monitor oxidative changes and electron-transfer reactions of hemoglobin in degrading bloodstains. Attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopy correlates absorbance at 3308/cm with TsD during bloodstain drying. Total RNA degradation trends, including the decline in RNA Integrity Number equivalent (RINe) and DV200, are observed without amplification, providing insights into bloodstain aging.
Is diazepam more easily removed in water and sewage treatment or tetracycline?
5 answers
Diazepam is more challenging to remove in water and sewage treatment compared to tetracycline. Studies have shown that traditional water and sewage treatment methods struggle to eliminate diazepam efficiently, leading to its detection in water sources globally. Conversely, research has demonstrated effective removal of tetracycline using innovative methods like membrane pre-concentration and MOF-based selective adsorption systems, which have shown high efficiency in removing tetracycline from aqueous solutions containing other antibiotics commonly found in livestock sewage. While diazepam persists in water sources even after treatment, tetracycline can be selectively removed using advanced techniques, highlighting the greater ease of tetracycline removal in comparison to diazepam in water and sewage treatment processes.
What are the current advancements in photocatalytic CO2 reduction reactions?
5 answers
Recent advancements in photocatalytic CO2 reduction reactions involve the utilization of various nanomaterials such as quantum dots, metal oxides, g-C3N4, and semiconductors to enhance efficiency. Strategies like surface engineering, co-catalyst loading, and morphology control have been crucial in improving photocatalytic performance. Additionally, the emergence of photothermal catalysis, combining advantages of photocatalysis and thermal catalysis, presents a promising approach for CO2 conversion. Single-atom catalysts, particularly with TiO2, g-C3N4, and MOFs as carriers, have shown significant benefits in CO2 reduction processes. Furthermore, there is a focus on converting CO2 into high-value carbon-containing compounds, especially C2+ products, to address environmental concerns and energy shortages. These advancements collectively aim to enhance energy conversion efficiency, product selectivity, and overall sustainability in photocatalytic CO2 reduction reactions.