Assessing pharmaceutical removal and reduction in toxicity provided by advanced wastewater treatment systems

2020 ◽  
Vol 6 (1) ◽  
pp. 62-77 ◽  
Author(s):  
Luisa F. Angeles ◽  
Rachel A. Mullen ◽  
Irvin J. Huang ◽  
Christopher Wilson ◽  
Wendell Khunjar ◽  
...  
Keyword(s):  
Wastewater Treatment ◽  
Behavioral Effects ◽  
Short Term ◽  
Zebrafish Larvae ◽  
Treatment Processes ◽  
Pharmaceutical Removal ◽  
Removal Efficiencies ◽  
Advanced Wastewater Treatment ◽  
Wastewater Treatment Systems ◽  
All Treatment

Despite large differences in removal efficiencies, all treatment processes investigated were sufficient in preventing short-term behavioral effects in zebrafish larvae.

scholarly journals Fate of selected pharmaceuticals and personal care products after secondary wastewater treatment processes in Taiwan

2010 ◽  
Vol 62 (10) ◽  
pp. 2450-2458 ◽  
Author(s):  
Angela Yu-Chen Lin ◽  
Cheng-Fan Lin ◽  
Yu-Ting Tsai ◽  
Hank Hui-Hsiang Lin ◽  
Jie Chen ◽  
...  
Keyword(s):  
Wastewater Treatment ◽  
High Performance ◽  
Wastewater Treatment Plants ◽  
Solid Phase ◽  
Personal Care Products ◽  
Personal Care ◽  
Matrix Interference ◽  
Treatment Processes ◽  
Liquid Chromatography Tandem Mass ◽  
Removal Efficiencies

Pharmaceuticals and personal care products (PPCPs) constitute a class of chemicals of emerging concern due to the potential risks they pose to organisms and the environment, even at low concentrations (ng/L). Recent studies have found that PPCPs are not efficiently removed in secondary wastewater treatment plants (WWTPs). This study has: (1) simultaneously investigated the occurrence of sixty-one PPCPs using solid phase extraction and high-performance liquid chromatography-tandem mass spectrometry, (2) evaluated removal efficiencies of target PPCPs in six WWTPs that discharge effluents into major Taiwanese rivers, and lastly (3) examined matrix interference during analysis of target PPCPs in water samples. The twenty target PPCPs were chosen for their high detection frequencies, high influent concentrations, and stability during wastewater treatment processes. Caffeine and acetaminophen were detected at the highest concentrations (as high as 24,467 and 33,400 ng/L) and were effectively removed (both >96%); other PPCPs were detected in the high ng/L range but were not effectively removed. Matrix interference (by ion suppression or enhancement) during the analysis resulted in underestimation of the removal efficiencies of erythromycin-H2O, cefazolin, clarithromycin, ibuprofen, diclofenac, clofibric acid and gemfibrozil.

scholarly journals Occurrence and Removal of Veterinary Antibiotics in Livestock Wastewater Treatment Plants, South Korea

Processes ◽  
2020 ◽  
Vol 8 (6) ◽  
pp. 720 ◽  
Author(s):  
Jin-Pil Kim ◽  
Dal Rae Jin ◽  
Wonseok Lee ◽  
Minhee Chae ◽  
Junwon Park
Keyword(s):  
Wastewater Treatment ◽  
South Korea ◽  
Removal Efficiency ◽  
Wastewater Treatment Plants ◽  
Batch Reactor ◽  
Veterinary Antibiotics ◽  
Livestock Wastewater ◽  
Treatment Processes ◽  
Removal Efficiencies ◽  
A2o Process

In this study, livestock wastewater treatment plants in South Korea were monitored to determine the characteristics of influent and effluent wastewater, containing four types of veterinary antibiotics (sulfamethazine, sulfathiazole, chlortetracycline, oxytetracycline), and the removal efficiencies of different treatment processes. Chlortetracycline had the highest average influent concentration (483.7 μg/L), followed by sulfamethazine (251.2 μg/L), sulfathiazole (230.8 μg/L) and oxytetracycline (25.7 μg/L), at five livestock wastewater treatment plants. Sulfathiazole had the highest average effluent concentration (28.2 μg/L), followed by sulfamethazine (20.8 μg/L) and chlortetracycline (11.5 μg/L), while no oxytetracycline was detected. For veterinary antibiotics in the wastewater, a removal efficiency of at least 90% was observed with five types of treatment processes, including a bio-ceramic sequencing batch reactor, liquid-phase flotation, membrane bioreactor, bioreactor plus ultrafiltration (BIOSUF) and bio best bacillus systems. Moreover, this study evaluated the removal efficiency via laboratory-scale experiments on the conventional contaminants, such as organic matter, nitrogen, phosphorus and veterinary antibiotics. This was done using the hydraulic retention time (HRT), under three temporal conditions (14 h, 18 h, 27 h), using the anaerobic–anoxic–oxic (A2O) process, in an attempt to assess the combined livestock wastewater treatment process where the livestock wastewater is treated until certain levels of water quality are achieved, and then the effluent is discharged to nearby sewage treatment plants for further treatment. The removal efficiencies of veterinary antibiotics, especially oxytetracycline and chlortetracycline, were 86.5–88.8% and 87.9–90.8%, respectively, exhibiting no significant differences under various HRT conditions. The removal efficiency of sulfamethazine was at least 20% higher at HRT = 27 h than at HRT = 14 h, indicating that sulfamethazine was efficiently removed in the A2O process with increased HRT. This study is expected to promote a comprehensive understanding of the behavior and removal of veterinary antibiotics in the livestock wastewater treatment plants of South Korea.

Comprehensive Evaluation on the Bio-Toxicity of Three Advanced Wastewater Treatment Processes

2020 ◽  
Vol 231 (3) ◽  
Author(s):  
Yuan Zhang ◽  
Yaxin Yuan ◽  
Yuefeng Wang ◽  
Cheng Li ◽  
Jing Zhu ◽  
...  
Keyword(s):  
Wastewater Treatment ◽  
Comprehensive Evaluation ◽  
Treatment Processes ◽  
Advanced Wastewater Treatment

scholarly journals Applying the Electrochemical Elution of Iron to Advanced Wastewater Treatment Systems.

2001 ◽  
Vol 24 (9) ◽  
pp. 607-612 ◽  
Author(s):  
Masaki MORIIZUMI ◽  
Akihiro FUKUMOTO ◽  
Kenji ODA ◽  
Yasuji YAMAMOTO ◽  
Sayoko OKUMURA
Keyword(s):  
Wastewater Treatment ◽  
Advanced Wastewater Treatment ◽  
Wastewater Treatment Systems
Sign in / Sign up

Export Citation Format

Share Document