scholarly journals Uptake and bio-transformation of telmisartan by cress (Lepidium sativum) from sewage treatment plant effluents using high-performance liquid chromatography/drift-tube ion-mobility quadrupole time-of-flight mass spectrometry

2021 ◽  
Author(s):  
Tamara Lang ◽  
Markus Himmelsbach ◽  
Franz Mlynek ◽  
Wolfgang Buchberger ◽  
Christian W. Klampfl
Keyword(s):  
High Performance ◽  
Waste Water Treatment ◽  
Sewage Treatment ◽  
Sewage Treatment Plant ◽  
Treatment Plant ◽  
Parent Drug ◽  
Water Treatment Plant ◽  
Lepidium Sativum ◽  
Waste Water Treatment Plant ◽  
Flight Mass Spectrometry

AbstractIn the present study, the uptake and metabolization of the sartan drug telmisartan by a series of plants was investigated. Thereby for seven potential metabolites, modifications on the telmisartan molecule such as hydroxylation and/or glycosylation could be tentatively identified. For two additional signals detected at accurate masses m/z 777.3107 and m/z 793.3096, no suggestions for molecular formulas could be made. Further investigations employing garden cress (Lepidium sativum) as a model plant were conducted. This was done in order to develop an analytical method allowing the detection of these substances also under environmentally relevant conditions. For this reason, the knowledge achieved from treatment of the plants with rather high concentrations of the parent drug (10 mg L−1) was compared with results obtained when using solutions containing telmisartan in the μg - ng L−1 range. Thereby the parent drug and up to three tentative drug-related metabolites could still be detected. Finally cress was cultivated in water taken from a local waste water treatment plant effluent containing 90 ng L−1 of telmisartan and harvested and the cress roots were extracted. In this extract, next to the parent drug one major metabolite, namely telmisartan-glucose could be identified.

scholarly journals An emergent accession for the optimal systematize of waste water utilization plants using artificial intelligence

2021 ◽  
Author(s):  
Mohd Abul Hasan
Keyword(s):  
Waste Water ◽  
Artificial Intelligence ◽  
Water Treatment ◽  
Wastewater Treatment Plants ◽  
Waste Water Treatment ◽  
Sewage Treatment ◽  
Sewage Treatment Plant ◽  
Treatment Plant ◽  
Water Treatment Plant ◽  
Waste Water Treatment Plant

Abstract The treatment of wastewater is an essential factor in preventing pollutants and promoting the quality of the water. The inherent complexity, influential impact and the solid waste infrastructure lead to confusion and variance in the primary clarifier for wastewater. These inconsistencies lead to variations in the purity and capacity constraints of wastewater and the existential impact of water receipt. The water treatment is a complicated task that has means of chemical, technical & biochemical influences. A credible ANN method is necessary for another waste water treatment plant to prevent the breakdown of the processes. Virtual reality seems to have become a strong solution for preventing waste management uncertainties and problems. This is not only due to high deformations but also to significant external disturbances that water systems are controlling challenges. Climate is among the most significant of such disturbances. Various environmental conditions actually include different influx frequencies and levels of substances. Water contamination has become one of the extremely serious growing conservation; sewage treatment plant identification is a key major issue here and the agencies enforce tighter requirements for the operating of wastewater software systems. This article plans to create models of achievement and prospects for the possible future guidance of recent research borders for the use of artificial intelligence in wastewater treatment plants which concurrently deal with pollutants. This study has shown us that the composite ANN provides a greater level of competence in plant prediction and systemization. Highlight Systematize of Wastewater Utilization Plants, Artificial Neural Networks, artificial intelligence, Prediction Analysis, Reliability.

scholarly journals ANALYSIS OF TECHNICAL AND TECHNOLOGICAL PARAMETERS OF WASTE WATER TREATMENT PLANT FOR UP TO 15 000 EQUIVALENTS

2018 ◽  
Vol 1 (19) ◽  
Author(s):  
Nebojša Knežević ◽  
Dušica Pešević ◽  
Igor Milunović
Keyword(s):  
Municipal Wastewater ◽  
Waste Water Treatment ◽  
Sewage Treatment ◽  
Sewage Treatment Plant ◽  
Treatment Plant ◽  
Water Treatment Plant ◽  
Waste Water Treatment Plant ◽  
Technological Parameters ◽  
European Standards ◽  
Republika Srpska

The purpose of the wastewater treatment plant project is to implement and achieve the goals set in thewater management bases of the Republika Srpska and the Federation of BiH, which identified thenecessary sectoral investments and the development of the institutional capacity needed to meet therequirements of the European directives. By implementing the projects of the wastewater treatmentplant, settlements of up to 15,000 equivalent inhabitants (EBS) will meet European standards in urbanwastewater treatment in order to protect the environment from harmful consequences of the dischargeof municipal wastewater. The paper proposes a central sewage treatment plant that includes severaltreatments: mechanical, biological, chemical and sludge treatment. The paper presents the norms andstandards used for the design of the purification process, as well as the basic input parameters duringthe calculation, which are used to dimension the necessary equipment.

scholarly journals Occurrence of Giardia in the effluents of a waste water treatment plant in Dhaka

2012 ◽  
Vol 39 (2) ◽  
pp. 147-156 ◽  
Author(s):  
Hamida Khanum ◽  
Sharmili Shanjida Khanam ◽  
Masuma Sultana ◽  
Md. Hafiz Uddin ◽  
Ripon Chandra Dhar ◽  
...  
Keyword(s):  
Waste Water ◽  
Water Treatment ◽  
Waste Water Treatment ◽  
Sewage Treatment ◽  
Sewage Treatment Plant ◽  
Treatment Plant ◽  
Water Treatment Plant ◽  
Sewage Water ◽  
Waste Water Treatment Plant ◽  
Quantitative Detection

The present study was designed for the qualitative and quantitative detection of Giardia in the Pagla Sewage Treatment Plant (PSTP) in Dhaka. The physico-chemical parameters of the sewage water were also recorded. Total 72 raw and treated samples were collected from PSTP throughout the year 2008 and these were processed with the Formol-Ether Concentration method and IMS followed by microscopy to identify Giardia in the sewage water. The protozoan parasite Giardia was abundant (2.23±1.44 × 105 cyst/l) in the sewage water dominating the sampling sites-Grit chamber (44%), Measuring chamber (34%) and Outlet lagoon (38%). A low abundance of Giardia in the PSTP starting from the first point to the last one indicates the waste water treatment efficiency for removal of the pathogen. A significant correlation was found for log (number of Giardia +1) with turbidity (r= 0.729) and TDS (r= 0.536) at 0.01level.DOI: http://dx.doi.org/10.3329/bjz.v39i2.10578 Bangladesh J. Zool. 39(2): 147-156, 2011

scholarly journals Fluorides in Wastewater Discharges: Toxic Challenges to the St. Lawrence River Biological Community

1996 ◽  
Vol 31 (4) ◽  
pp. 809-838 ◽  
Author(s):  
Peggy Wallis ◽  
Ronald Gehr ◽  
Perry Anderson
Keyword(s):  
Waste Water Treatment ◽  
Sewage Treatment ◽  
Treatment Plant ◽  
Aquatic Organisms ◽  
Water Treatment Plant ◽  
Aquatic Systems ◽  
Waste Water Treatment Plant ◽  
Biological Community ◽  
Fingernail Clams ◽  
St Lawrence River

Abstract This literature review examines the risk to fluvial organisms of fluoride released to the St. Lawrence River by the Montréal Urban Community waste-water treatment plant. The following key points are presented regarding the behaviour of fluoride in aquatic systems: fluoride is not removed by primary sewage treatment methods; fluoride from the treatment plant is rapidly diluted to background levels; aquatic plants do not accumulate significant levels of fluoride; fluoride is generally sequestered in the shell/exoskeleton/skeleton and skin of animals and released via the urinary system; fluoride ion is not very toxic in aquatic systems; there is rarely a large difference between acute and chronic (or lethal and sublethal) threshold levels of fluoride in aquatic systems; the most sensitive aquatic organisms are trout and fingernail clams; finally, the only significant evidence of synergistic action is with aluminium. It is concluded that fluoridation of the city of Montréal’s drinking water would not pose any significant additional risk to the biological community in the receiving waters of the St. Lawrence River.

scholarly journals Wetland park: an important element for sewage recycling in Kaliningrad

2007 ◽  
pp. 627-633
Author(s):  
Sergey Umansky
Keyword(s):  
Waste Water Treatment ◽  
Sewage Treatment ◽  
Treatment Plant ◽  
Water Treatment Plant ◽  
Waste Water Treatment Plant ◽  
Vistula Lagoon ◽  
Treatment Level ◽  
Ecological Requirements ◽  
Park Area ◽  
The Baltic

Kaliningrad is a large industrial city with the population more than 400 thousand people thathas no modem constructions for sewage treatment. Almost I 00 million m3 of sewage isannually discharged into the Pregolja River and the Vistula Lagoon. City authorities have aproject for constructing a full cycle of waste water treatment plant. However, the offereddevelopment plan and treatment level will not promote decreasing of eutrophication in theVistula Lagoon. In this article the opportunity of using water plants for additional cleaningsewage of Kaliningrad has being considered. For this purpose it is suggested to organize awetland park in a territory along the right bank of the Kaliningrad naval channel in an areawith 86.6 knl. The infrastructure for such wetland-park might be used for recreationalpurpose too. The proposal is to consider the wetland park as an effective commercialenterprise occupying certain sector in the economy of the city. The basic requirements toorganize the wetland park area are that: (I) The wetland-park area should be located nearbythe mechanical and biological sewage treatment; (2) Two zones should be created, anindustrial and a recreational zone; (3)The borders of zones should be separated by natural or artificial elements of landscape, forexample, forestations; (4) Economic and ecological requirements regarding the sewagemanagement in Kaliningrad city are related to the necessity of meeting the demands of theBaltic Region, in order to solve the environmental problems of the Baltic Sea.

scholarly journals Stabilization of Al-Rustamiya Waste Water Treatment Plant Sludge Using Lime

2020 ◽  
Vol 27 (1) ◽  
pp. 50-53
Author(s):  
Noor Ali Jasim ◽  
Jathwa Abdul Kareem Ibrahim
Keyword(s):  
Fecal Coliform ◽  
Mixing Time ◽  
Waste Water Treatment ◽  
Sewage Treatment ◽  
Treatment Plant ◽  
Water Treatment Plant ◽  
Waste Water Treatment Plant ◽  
Soil Conditions ◽  
Lime Treatment ◽  
Two Parameters

Sewage sludge treatment and discarding is a costly and environmentally sensitive problem. Sludge production will continue to increase as new sewage treatment plants are built and environmental quality standards are becoming stricter. The processes of stabilization using alkaline chemicals operating on a simple principle of raising pH to 12 or higher, with efficient mixing time and a suitable contact time ensured that microorganisms are either inactivated or destroyed. A 0.157 m3 rotating tank was designed to treat Al-Rustemeyia wastewater treatment plant’s sludge. Characteristics of raw sludge were examined through two parameters: pH, and fecal coliform analysis. Different lime doses of (0- 25) g CaO/100 g sludge were introduced to raw sludge. Samples were mixed manually in a rotating tank. Samples were analyzed 2 hours and 24 hours after mixing by rotation. pH and fecal coliform results were compared with EPA and national Iraqi guidelines. Results showed that 120 g of quicklime per 3 kg of sludge is acceptable to meet Class B criteria and 450 g per 3 kg sludge to meet Class A criteria according to EPA’s 40 CFR Part 503.The results indicated that lime treatment to stabilize sludge could be an appropriate solution provided that soil conditions do not deteriorate.

scholarly journals Sources of coastal waters pollution near Sevastopol

2019 ◽  
Vol 59 (4) ◽  
pp. 579-590 ◽  
Author(s):  
V. M. Gruzinov ◽  
N. N. Dyakov ◽  
I. V. Mezenceva ◽  
Yu. A. Malchenko ◽  
N. V. Zhohova ◽  
...  
Keyword(s):  
Coastal Waters ◽  
Waste Water Treatment ◽  
Sewage Treatment ◽  
Treatment Plant ◽  
Oxygen Demand ◽  
Water Treatment Plant ◽  
Total Petroleum Hydrocarbons ◽  
Waste Water Treatment Plant ◽  
Marine Waters ◽  
Significant Difference

The results of current ecological investigations of marine waters in Sevastopol region are presented. The main sources of water pollution described for Sevastopol Bay and other part of coastal line from cup Lukull till cup Foros were described. The position of Waste Water Treatment Plant underwater outlets, the volume of waste-waters discharges and the degree of their purification were estimated. With the help of the side-scan sonar, the state of the heads of the sewage treatment plants in the region was examined. The features of the vertical distribution of hydrological and hydrochemical characteristics are shown. The preliminary estimation of the currents near the sewages outlets were studied using autonomic buoys and mathematical modeling. Based on historical data and results of recent cruises in 2016–2017 the nutrient concentration, and total petroleum hydrocarbons and organic matter by biological oxygen demand BOD5 content were described. The nutrients content for all studied forms was much lower then Maximum Allowed Concentration and no significant difference between different parts of Crimea coastal waters were marked. Marine waters pollution by TPHs is much higher in Sevastopol region and in Kerch Strait in comparison with Yalta port.

DESIGN PLANNING WASTEWATER TREATMENT PLANT OF NATA DE COCO INDUSTRY WITH THE ACTIVATED SLUDGE PROCESS

2016 ◽  
Vol 9 (2) ◽  
Author(s):  
Dinda Rita K. Hartaja ◽  
Imam Setiadi
Keyword(s):  
Waste Water ◽  
Wastewater Treatment ◽  
Activated Sludge ◽  
Waste Water Treatment ◽  
Treatment Plant ◽  
Water Treatment Plant ◽  
Appropriate Technology ◽  
Waste Water Treatment Plant ◽  
Activated Sludge Process ◽  
High Level

Generally, wastewater of nata de coco industry contains suspended solids and COD were high, ranging from 90,000 mg / l. The high level of of the wastewater pollutants, resulting in nata de coco industry can not be directly disposed of its wastewater into the environment agency. Appropriate technology required in order to process the waste water so that the treated water can meet the environmental quality standards that are allowed. Designing the waste water treatment plant that is suitable and efficient for treating industrial wastewater nata de coco is the activated sludge process. Wastewater treatment using activated sludge process of conventional (standard) generally consists of initial sedimentation, aeration and final sedimentation.Keywords : Activated Sludge, Design, IPAL

First Practical Experiences with Submerged Rope-Type Bio-Film Reactors for Upgrading and Nitrification

1991 ◽  
Vol 23 (4-6) ◽  
pp. 825-834 ◽  
Author(s):  
T. H. Lessel
Keyword(s):  
Waste Water Treatment ◽  
Treatment Plant ◽  
Water Treatment Plant ◽  
Waste Water Treatment Plant ◽  
Practical Application ◽  
Reactor Material ◽  
Reactor Materials ◽  
Practical Experiences ◽  
One Year ◽  
Operational Data

The upgrading and nitrification was required for the waste water treatment plant in Geiselbullach. As space for more aeration tanks was not available, the possibility of increasing the MLSS by the use of submerged bio-film reactors was tested in a half technical scale pilot plant with three different reactor materials. Each tested reactor material caused a significant increase of MLSS and the nitrification reaction. The rope-type material was selected for the practical application, as it had not the same disadvantages of the other tested systems, which proved operational problems. After one year of continuous operation for nitrification in the full scale plant the influences on the biomass characteristics were investigated. Design criterias and details and operational data are reported.

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