The contribution of pharmaceutically active compounds from healthcare facilities to a receiving sewage treatment plant in Canada

2015 ◽  
Vol 35 (4) ◽  
pp. 850-862 ◽  
Author(s):  
Sonya Kleywegt ◽  
Vince Pileggi ◽  
Yuet Ming Lam ◽  
Alan Elises ◽  
Aaron Puddicomb ◽  
...  
2015 ◽  
Vol 17 (1) ◽  
pp. 54-61 ◽  
Author(s):  
Jianchao Liu ◽  
Guanghua Lu ◽  
Zhenghua Zhang ◽  
Yijun Bao ◽  
Fuli Liu ◽  
...  

Multiple-models approaches for risk assessment were applied to estimate the ecological threat using active biomonitoring because of the existence of micropollutants in the effluents of sewage treatment plant.


2021 ◽  
Author(s):  
Jin Xu ◽  
Guang Duan ◽  
Xiujun Lu ◽  
Yan Zhou ◽  
C.B Sivaparthipan ◽  
...  

Abstract The causes of diverse, high realization percentages are the Hospital Sewage, and no appropriate therapy for contaminant elimination has been examined. These pollutants and their complicated properties are immune to the laboratory's wastewater treatment plant (WWTPs). In other sentences, certain dynamic chemicals cannot be eliminated by traditional therapy. Environmental chemical contaminants can pose significant threats to global water supplies. In recent times, the wastewater created from medical services, healthcare facilities and laboratories has become more involved with the atmosphere researchers. A Sustainable Control Strategy for Detecting Activated Toxins (SCS-DAT) model is proposed in this research. For three things - traditional drainage features, major priority drug products, and microbiota studies - this analysis picked several multi-speciality facilities with non-identical pre-treatments. The research review assesses innovative processes' effectiveness for disposing of these three components from treated wastewater before being released into a hazardous water Sewage treatment plant (STP). Regarding the test findings, these two procedures effectively lowered the standard and medication variable of direct and indirect approaches in two out of three treatment methods, MBR and CW, excluding microbe restoration, by following stages. These two substances were found. The results showed 100% ibuprofen, carbamazepine, and frusemide reduction, while CW suggested that ofloxacin was 100% eliminated. The medicines' degradation demonstrated two accelerated oxidation variations, ozonation (O3) and peroxisome (O3-H2O2). pH, O3 availability, time of touch and H2O2 quantities are the main operating variables in AOP. Centred on medicinal products efficacy, traditional O3 treatment is more effective than integrating O3- H2O2 therapy. Therefore, the study proved that MBR combined with ozone proven an ideal technology for the chemical treatment of treated wastewater among several innovations.


2020 ◽  
Vol 15 (2) ◽  
pp. 142-151
Author(s):  
Peter Lukac ◽  
Lubos Jurik

Abstract:Phosphorus is a major substance that is needed especially for agricultural production or for the industry. At the same time it is an important component of wastewater. At present, the waste management priority is recycling and this requirement is also transferred to wastewater treatment plants. Substances in wastewater can be recovered and utilized. In Europe (in Germany and Austria already legally binding), access to phosphorus-containing sewage treatment is changing. This paper dealt with the issue of phosphorus on the sewage treatment plant in Nitra. There are several industrial areas in Nitra where record major producers in phosphorus production in sewage. The new wastewater treatment plant is built as a mechanicalbiological wastewater treatment plant with simultaneous nitrification and denitrification, sludge regeneration, an anaerobic zone for biological phosphorus removal at the beginning of the process and chemical phosphorus precipitation. The sludge management is anaerobic sludge stabilization with heating and mechanical dewatering of stabilized sludge and gas management. The aim of the work was to document the phosphorus balance in all parts of the wastewater treatment plant - from the inflow of raw water to the outflow of purified water and the production of excess sludge. Balancing quantities in the wastewater treatment plant treatment processes provide information where efficient phosphorus recovery could be possible. The mean daily value of P tot is approximately 122.3 kg/day of these two sources. The mean daily value of P tot is approximately 122.3 kg/day of these two sources. There are also two outflows - drainage of cleaned water to the recipient - the river Nitra - 9.9 kg Ptot/day and Ptot content in sewage sludge - about 120.3 kg Ptot/day - total 130.2 kg Ptot/day.


2008 ◽  
Vol 37 (2) ◽  
Author(s):  
Maciej Walczak

Changes of microbial indices of water quality in the Vistula and Brda rivers as a result of sewage treatment plant operationThis paper reports the results of studies of microbiological changes in the water quality of the Vistula and Brda rivers after the opening of sewage treatment plants in Bydgoszcz. The study involved determining the microbiological parameters of water quality. Based on the results obtained, it was found that the quality of the water in both rivers had improved decidedly after the opening of the plants, although an increased number of individual groups of microorganisms was found at the treated sewage outlet from one of the plants.


2000 ◽  
Vol 36 (4) ◽  
pp. 161-171
Author(s):  
KENITSU KONNO ◽  
NAOKI ABE ◽  
YOSHIRO SATO ◽  
KOJI AKAMATSU ◽  
MAKOTO ABE ◽  
...  

2017 ◽  
Vol 1 (1) ◽  
pp. 46-55 ◽  
Author(s):  
Athar Hussain ◽  
Manjeeta Priyadarshi ◽  
Saif Said ◽  
Suraj Negi

Most of the industrial sewage effluents used for irrigation contains heavy metals which cause toxicity to crop plants as the soils are able to accumulate heavy metal for many years. The vegetables grown for the present study were irrigated with treated wastewater brought from a nearby full-scale sewage treatment plant at different compositions along with tap water as a control. The concentration levels of the Cd, Co, Cu, Mn and Zn in the soil were found to below the toxic limits as prescribed in literature. Daily Intake Metals (DIM) values suggest that the consumption of plants grown in treated wastewater and tap water is nearly free of risks, as the dietary intake limits of Cu, Fe, Zn and Mn. The Enrichment Factor for the treated wastewater irrigated soil was found in order Zn> Ni> Pb> Cr> Cu> Co> Mn> Cd. Thus, treated wastewater can be effectively used for irrigation. This will have twofold significant environmental advantages: (1) helpful to reduce the groundwater usage for irrigation and (2) helpful to reduce the stress on surface water resources.


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