Screening of 17α-ethynylestradiol and non-steroidal anti-inflammatory pharmaceuticals accumulation in Mytilus edulis trossulus (Gould, 1890) collected from the Gulf of Gdańsk

2016 ◽  
Vol 45 (4) ◽  
Author(s):  
Magda Caban ◽  
Anna Szaniawska ◽  
Piotr Stepnowski
Keyword(s):  
Wastewater Treatment ◽  
Mytilus Edulis ◽  
Fresh Water ◽  
Wastewater Treatment Plants ◽  
Negative Impact ◽  
Saline Water ◽  
Gulf Of Gdańsk ◽  
First Results ◽  
Gulf Of Gdansk ◽  
Living Organisms

AbstractPharmaceuticals are commonly found in water collected from wastewater treatment plants, fresh water and saline water. Their presence in water may result in constant accumulation in living organisms, and consequently a negative impact on those organisms. Abiotic samples collected from the Gulf of Gdańsk were already proven to be polluted by several classes of pharmaceuticals, but the bioaccumulation was not investigated as far. This study presents the first results on the accumulation of pharmaceuticals in

scholarly journals Sustainable Removal of Contaminants by Biopolymers: A Novel Approach for Wastewater Treatment. Current State and Future Perspectives

Processes ◽  
2021 ◽  
Vol 9 (4) ◽  
pp. 719
Author(s):  
Teresa Russo ◽  
Pierpaolo Fucile ◽  
Rosa Giacometti ◽  
Filomena Sannino
Keyword(s):  
Wastewater Treatment ◽  
Negative Impact ◽  
Low Cost ◽  
Natural Fibers ◽  
Future Perspectives ◽  
Inorganic Pollutants ◽  
Open Questions ◽  
Novel Approach ◽  
Removal Of Contaminants ◽  
Living Organisms

Naturally occurring substances or polymeric biomolecules synthesized by living organisms during their entire life cycle are commonly defined as biopolymers. Different classifications of biopolymers have been proposed, focusing on their monomeric units, thus allowing them to be distinguished into three different classes with a huge diversity of secondary structures. Due to their ability to be easily manipulated and modified, their versatility, and their sustainability, biopolymers have been proposed in different fields of interest, starting from food, pharmaceutical, and biomedical industries, (i.e., as excipients, gelling agents, stabilizers, or thickeners). Furthermore, due to their sustainable and renewable features, their biodegradability, and their non-toxicity, biopolymers have also been proposed in wastewater treatment, in combination with different reinforcing materials (natural fibers, inorganic micro- or nano-sized fillers, antioxidants, and pigments) toward the development of novel composites with improved properties. On the other hand, the improper or illegal emission of untreated industrial, agricultural, and household wastewater containing a variety of organic and inorganic pollutants represents a great risk to aquatic systems, with a negative impact due to their high toxicity. Among the remediation techniques, adsorption is widely used and documented for its efficiency, intrinsic simplicity, and low cost. Biopolymers represent promising and challenging adsorbents for aquatic environments’ decontamination from organic and inorganic pollutants, allowing for protection of the environment and living organisms. This review summarizes the results obtained in recent years from the sustainable removal of contaminants by biopolymers, trying to identify open questions and future perspectives to overcome the present gaps and limitations.

scholarly journals Examining the Influence of Sludge from Municipal Wastewater Treatment Plants Processed by Euphore Installations on the Quantity and Quality of Rapeseed and Soybean Production

Agriculture ◽  
2021 ◽  
Vol 11 (4) ◽  
pp. 278
Author(s):  
Esmeralda Chiorescu ◽  
Feodor Filipov
Keyword(s):  
Wastewater Treatment ◽  
Municipal Wastewater ◽  
Wastewater Treatment Plants ◽  
Negative Impact ◽  
Municipal Wastewater Treatment ◽  
Soybean Production ◽  
Manganese Zinc ◽  
Control Variant ◽  
Municipal Wastewater Treatment Plants

Sludge management is a complex issue due to the environmental standards. It is required that the wastewater treatment activity be in close connection with the controlled recovery and storage of sludge. Thus, by using sludge in agriculture, nutrients essential for plant development can be recycled and some soil properties can be improved. The purpose of this paper was to present some results on the influence of municipal sludge treated and processed in a Euphore plant on the quantity and quality of rapeseed and soybean production. This technology allows for the recovery of the constituents of phosphorus, nitrogen, potassium, sulfur, magnesium, calcium, manganese, zinc, and copper. Our experimental data revealed that the obtained yield of Pioneer PT225 rapeseed hybrid was 5200 kg/ha in the variant treated with the Euphore process compared to that of the control variant at only 2356 kg/ha. For the Condor variety soybean crop, the highest average number of pods obtained per plant was 195.3 compared 88 pods per plant in the control variant. Thus, the sludge obtained from urban wastewater treatment plants processed using the Euphore method is a good source of macro and micronutrients in agriculture, without having a negative impact on the environment.

Apport des mesures respirométriques à la gestion d'une station d'épuration à boues activées

1998 ◽  
Vol 25 (2) ◽  
pp. 353-359
Author(s):  
B Weiss ◽  
N Roche ◽  
O Potier ◽  
M -N Pons ◽  
S Gauthier ◽  
...  
Keyword(s):  
Wastewater Treatment ◽  
Oxygen Uptake ◽  
Activated Sludge ◽  
Control Strategy ◽  
Biological Process ◽  
Wastewater Treatment Plants ◽  
Good Control ◽  
Biological Sensors ◽  
Uptake Rates ◽  
First Results

New regulations for wastewater treatment that will insure greater reliability of the wastewater treatment plants are being established, that is to say in the case of an activated sludge plant, a better control of the biological process. The use of biological sensors would appear to increase the reliability of the plants by allowing the assessment of some characteristic variables of the process and by detecting as quickly as possible the influx of a toxin that is able to inhibit the biomass. We created a biosensor that measures oxygen uptake rates. According to the first results obtained, the data could lead to a good control strategy of the activated sludge process.Key words: wastewater treatment, activated sludge, respirometry, control.

scholarly journals Impact of the Biological Cotreatment of the Kalina Pond Leachate on Laboratory Sequencing Batch Reactor Operation and Activated Sludge Quality

Water ◽  
2019 ◽  
Vol 11 (8) ◽  
pp. 1539 ◽  
Author(s):  
Justyna Michalska ◽  
Izabela Greń ◽  
Joanna Żur ◽  
Daniel Wasilkowski ◽  
Agnieszka Mrozik
Keyword(s):  
Wastewater Treatment ◽  
Activated Sludge ◽  
Landfill Leachate ◽  
Sequencing Batch Reactor ◽  
Wastewater Treatment Plants ◽  
Negative Impact ◽  
Batch Reactor ◽  
Oxygen Demand ◽  
Pollutant Removal ◽  
Wastewater Treatment Process

Hauling landfill leachate to offsite urban wastewater treatment plants is a way to achieve pollutant removal. However, the implementation of biological methods for the treatment of landfill leachate can be extremely challenging. This study aims to investigate the effect of blending wastewater with 3.5% and 5.5% of the industrial leachate from the Kalina pond (KPL) on the performance of sequencing batch reactor (SBR) and capacity of activated sludge microorganisms. The results showed that the removal efficiency of the chemical oxygen demand declined in the contaminated SBR from 100% to 69% and, subsequently, to 41% after the cotreatment with 3.5% and 5.5% of the pollutant. In parallel, the activities of the dehydrogenases and nonspecific esterases declined by 58% and 39%, and 79% and 81% after 32 days of the exposure of the SBR to 3.5% and 5.5% of the leachate, respectively. Furthermore, the presence of the KPL in the sewage affected the sludge microorganisms through a reduction in their functional capacity as well as a decrease in the percentages of the marker fatty acids for different microbial groups. A multifactorial analysis of the parameters relevant for the wastewater treatment process confirmed unambiguously the negative impact of the leachate on the operation, activity, and structure of the activated sludge.

Faecal bacterial indicators removal in various wastewater treatment plants located in Almendares River watershed (Cuba)

2008 ◽  
Vol 58 (4) ◽  
pp. 773-779 ◽  
Author(s):  
Tamara Garcia-Armisen ◽  
Josué Prats ◽  
Yociel Marrero ◽  
Pierre Servais
Keyword(s):  
Wastewater Treatment ◽  
Wastewater Treatment Plants ◽  
Negative Impact ◽  
Microbiological Quality ◽  
Oxygen Demand ◽  
Bacterial Indicators ◽  
Natural Systems ◽  
Trickling Filters ◽  
Microbiological Water Quality ◽  
Suspended Matters

The Almendares River, located in Havana city, receives the wastewaters of more than 200,000 inhabitants. The high abundance of faecal bacterial indicators (FBIs) in the downstream stretch of the river reflects the very poor microbiological water quality. In this zone, the Almendares water is used for irrigation of urban agriculture and recreational activities although the microbiological standards for these uses are not met. Improvement of wastewater treatment is absolutely required to protect the population against health risk. This paper compares the removal of FBIs in three wastewater treatment plants (WWTPs) located in this watershed: a conventional facility using trickling filters, a constructed wetland (CW) and a solar aquatic system (SAS). The results indicate better removal efficiency in the two natural systems (CW and SAS) for all the measured parameters (suspended matters, biological oxygen demand, total coliforms, E. coli and enterococci). Removals of the FBIs were around two log units higher in both natural systems than in the conventional one. A longitudinal profile of the microbiological quality of the river illustrates the negative impact of the large conventional WWTP. This case study confirms the usefulness of small and natural WWTPs for tropical developing countries, even in urban and periurban areas.

scholarly journals Environmental disasters as a factor of environmental pollution

2020 ◽  
Vol 217 ◽  
pp. 04007
Author(s):  
Galina Semenova
Keyword(s):  
Wastewater Treatment Plants ◽  
Negative Impact ◽  
Natural Conditions ◽  
New Production ◽  
Natural Processes ◽  
Environmental Disasters ◽  
Global Environmental ◽  
Massive Change ◽  
The Subject ◽  
Living Organisms

An ecological catastrophe consists in a massive change in natural conditions that lead to a change in the environment and the death of living organisms. Disaster can be caused by both natural processes and human actions. Losses after such disasters are often irreparable. Economic reasons worse the ecological situation. Wastewater treatment plants are very expensive, so industrialists often prefer to save on and forget about the environment during the construction and operation of new production facilities. The pursuit of immediate profits without thinking about tomorrow, undoubtedly, deepens the crisis in the field of ecology, thereby resulting in environmental disasters. The subject of this study is global environmental disasters. The purpose of the study is to identify the influence of the negative impact of substances on the environment. Methodology. To study the topic, the world environmental disasters and the damage caused by their impact on the environment were systematized. Results - the damage (harm) from the negative impact on the environment was revealed, the calculation formulas were given.

scholarly journals Wastewater recycling and the possibility of its technical use in practice

2021 ◽  
Vol 900 (1) ◽  
pp. 012030
Author(s):  
F Ondrasik ◽  
S Krocova
Keyword(s):  
Wastewater Treatment ◽  
Wastewater Treatment Plants ◽  
Negative Impact ◽  
Treated Wastewater ◽  
Treated Water ◽  
Wastewater Recycling ◽  
High Level ◽  
The Future Method ◽  
Real Practice ◽  
The Given

Abstract In real practice, almost half of the water, after its technical or technological use in various degrees of pollution, is drained by sewerage systems to wastewater treatment plants and subsequently discharged into the recipients of rivers and streams. The current and especially the future method of urban and industrial wastewater treatment is at such a high level that the treated water, before its discharge into the recipients, has a higher degree of quality than the flowing surface water in the watercourse. Under these ever-improving conditions and possibilities, it is appropriate to use well-treated wastewater not only for the needs of agriculture, but also as an alternative supply of fire water for fire purposes. The dislocation of wastewater treatment plants (hereinafter WWTP) in territorial cadastres with safe access to the opened level of treated water allows its relatively rapid pumping at any time, especially in conditions where there is no other suitable natural or multipurpose source of fire water. The following article suggests in a basic way how to use the given options without the risk that the treated wastewater will not endanger the health of fire brigades or will not have the negative impact on the environment of the extinguished building and its surroundings in which the fire is extinguished.

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